/* ============================================
   Portfolio Website - Design System & Styles
   ============================================ */

/* --- CSS Variables (Design Tokens) --- */
:root {
    /* Colors - Dark Futuristic Theme */
    --color-primary: #ffffff;
    --color-primary-light: #00d4aa;
    --color-primary-dark: #0a3d35;
    --color-secondary: #94a3b8;
    --color-accent: #00d4aa;
    --color-accent-2: #0ea5e9;
    --color-text: #ffffff;
    --color-text-light: #94a3b8;
    --color-text-muted: #64748b;
    --color-bg: #0a0f1a;
    --color-bg-alt: #0d1420;
    --color-bg-card: rgba(255, 255, 255, 0.03);
    --color-border: rgba(255, 255, 255, 0.1);

    /* Gradient definitions */
    --gradient-primary: linear-gradient(135deg, #00d4aa 0%, #0ea5e9 100%);
    --gradient-hero: linear-gradient(180deg, #0a2520 0%, #0a0f1a 50%, #0a0f1a 100%);
    --gradient-card: linear-gradient(135deg, rgba(0, 212, 170, 0.05) 0%, rgba(14, 165, 233, 0.05) 100%);
    --gradient-glow: radial-gradient(ellipse at 50% 0%, rgba(0, 212, 170, 0.15) 0%, transparent 50%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Layout */
    --container-max: 1200px;
    --header-height: 70px;

    /* Effects */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 60px rgba(0, 212, 170, 0.2);
    --shadow-glow-accent: 0 0 40px rgba(0, 212, 170, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 8px;
    --border-radius-lg: 16px;
}

/* --- Keyframe Animations --- */
@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

@keyframes auroraShift {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translateX(-50%) scale(1.05);
    }
}

/* Fast GPU-accelerated reveal animation */
.reveal-element {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-element.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delay for skill cards */
.skill-card.reveal-element:nth-child(1) { transition-delay: 0.05s; }
.skill-card.reveal-element:nth-child(2) { transition-delay: 0.1s; }
.skill-card.reveal-element:nth-child(3) { transition-delay: 0.15s; }
.skill-card.reveal-element:nth-child(4) { transition-delay: 0.2s; }

/* Stagger delay for experience items */
.experience-item.reveal-element:nth-child(1) { transition-delay: 0.05s; }
.experience-item.reveal-element:nth-child(2) { transition-delay: 0.15s; }

/* --- Reset & Base Styles --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    background-image: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 212, 170, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 50% -10%, rgba(14, 165, 233, 0.1) 0%, transparent 40%);
    background-attachment: fixed;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-text);
}

ul {
    list-style: none;
}

/* --- Utility Classes --- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-2xl) 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text);
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #00d4aa, #0ea5e9, #00d4aa);
    background-size: 200% 200%;
    margin: var(--spacing-md) auto 0;
    border-radius: 2px;
    animation: gradientShift 3s ease infinite;
}

.text-center {
    text-align: center;
}

.text-light {
    color: var(--color-text-light);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    min-height: 44px; /* Touch-friendly minimum */
    -webkit-tap-highlight-color: transparent;
}

.btn-primary {
    background: rgba(0, 212, 170, 0.15);
    backdrop-filter: blur(10px);
    color: var(--color-text);
    border: 1px solid rgba(0, 212, 170, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    background: rgba(0, 212, 170, 0.3);
    color: var(--color-text);
    transform: translateY(-3px);
    border-color: var(--color-accent);
    box-shadow: 0 0 30px rgba(0, 212, 170, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-light);
    border: 1px solid rgba(255, 255, 255, 0.15);
    position: relative;
}

.btn-outline:hover {
    background: rgba(14, 165, 233, 0.15);
    color: var(--color-accent-2);
    border-color: var(--color-accent-2);
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(14, 165, 233, 0.2);
}

/* --- Header & Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(10, 15, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 15, 26, 0.95);
    box-shadow: var(--shadow-lg);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    background: linear-gradient(135deg, #ffffff 0%, #00d4aa 50%, #0ea5e9 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: logoGradient 5s ease infinite;
    transition: all 0.3s ease;
}

.logo:hover {
    letter-spacing: 3px;
    filter: drop-shadow(0 0 10px rgba(0, 212, 170, 0.5));
}

@keyframes logoGradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.logo span {
    color: var(--color-accent);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-menu a {
    color: var(--color-text-light);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-xs);
    position: relative;
    -webkit-tap-highlight-color: transparent;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-text);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--spacing-sm);
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--header-height);
    background: transparent;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 80%;
    background: 
        radial-gradient(ellipse 60% 40% at 50% 0%, rgba(0, 212, 170, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse 80% 50% at 30% 10%, rgba(14, 165, 233, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse 80% 50% at 70% 10%, rgba(0, 212, 170, 0.08) 0%, transparent 40%);
    pointer-events: none;
    animation: auroraShift 15s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(0, 212, 170, 0.03) 2px,
            rgba(0, 212, 170, 0.03) 4px
        );
    pointer-events: none;
    opacity: 0.5;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    position: relative;
    z-index: 1;
}

/* New Hero Grid Layout */
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-left {
    text-align: left;
    animation: slideInUp 0.8s ease-out;
}

.hero-name {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-text);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.hero-name span {
    background: linear-gradient(135deg, #00d4aa, #0ea5e9, #00d4aa);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 5s ease infinite;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.hero-tag {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    color: var(--color-accent);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: 50px;
    transition: var(--transition);
}

.hero-tag:hover {
    background: rgba(0, 212, 170, 0.2);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.hero-description {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    text-align: justify;
    text-justify: inter-word;
}

.hero-description strong {
    color: var(--color-text);
}

.hero-title-typing {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 2px;
}

.typing-cursor {
    color: var(--color-accent);
    animation: pulse 1s infinite;
}

.hero-location {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.hero-location i {
    color: var(--color-accent);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* 3D Tech Stack Visualization */
.hero-right {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideInUp 0.8s ease-out 0.3s both;
    perspective: 1000px;
}

.tech-3d-scene {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Central 3D Cube */
.tech-cube-wrapper {
    position: absolute;
    width: 100px;
    height: 100px;
    perspective: 600px;
    z-index: 10;
}

.tech-cube {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: rotateCube 20s infinite linear;
}

.cube-face {
    position: absolute;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.2) 0%, rgba(14, 165, 233, 0.15) 100%);
    border: 1px solid rgba(0, 212, 170, 0.4);
    backdrop-filter: blur(10px);
    color: var(--color-accent);
    box-shadow: 
        inset 0 0 30px rgba(0, 212, 170, 0.1),
        0 0 20px rgba(0, 212, 170, 0.2);
}

.cube-front  { transform: rotateY(0deg) translateZ(50px); }
.cube-back   { transform: rotateY(180deg) translateZ(50px); }
.cube-right  { transform: rotateY(90deg) translateZ(50px); }
.cube-left   { transform: rotateY(-90deg) translateZ(50px); }
.cube-top    { transform: rotateX(90deg) translateZ(50px); }
.cube-bottom { transform: rotateX(-90deg) translateZ(50px); }

@keyframes rotateCube {
    0% { transform: rotateX(-20deg) rotateY(0deg); }
    100% { transform: rotateX(-20deg) rotateY(360deg); }
}

/* Orbiting Icons */
.tech-orbit {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.orbit-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    animation: orbitRotate 30s linear infinite;
}

.orbit-ring.ring-1 {
    animation-duration: 25s;
}

.orbit-ring.ring-2 {
    animation-duration: 35s;
    animation-direction: reverse;
}

.orbit-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60px;
    height: 60px;
    margin: -30px 0 0 -30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background: linear-gradient(145deg, rgba(10, 37, 32, 0.9) 0%, rgba(10, 15, 26, 0.95) 100%);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: 12px;
    color: var(--color-accent);
    font-size: 1.2rem;
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.3),
        0 0 20px rgba(0, 212, 170, 0.15);
    transition: all 0.3s ease;
    animation: counterRotate 25s linear infinite, floatIcon 3s ease-in-out infinite;
    animation-delay: var(--delay), calc(var(--delay) + 0.5s);
    transform: rotate(var(--position)) translateX(130px) rotate(calc(-1 * var(--position)));
}

.ring-2 .orbit-icon {
    transform: rotate(var(--position)) translateX(170px) rotate(calc(-1 * var(--position)));
    animation: counterRotate 35s linear infinite reverse, floatIcon 4s ease-in-out infinite;
    width: 50px;
    height: 50px;
    margin: -25px 0 0 -25px;
    font-size: 1rem;
    border-radius: 10px;
}

.orbit-icon span {
    font-size: 0.55rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-light);
}

.orbit-icon:hover {
    border-color: var(--color-accent);
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(0, 212, 170, 0.3);
    z-index: 100;
    transform: rotate(var(--position)) translateX(130px) rotate(calc(-1 * var(--position))) scale(1.15);
}

.ring-2 .orbit-icon:hover {
    transform: rotate(var(--position)) translateX(170px) rotate(calc(-1 * var(--position))) scale(1.15);
}

@keyframes orbitRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes counterRotate {
    from { }
    to { }
}

@keyframes floatIcon {
    0%, 100% { margin-top: -30px; }
    50% { margin-top: -35px; }
}

/* Glowing Particles */
.tech-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-accent), 0 0 20px var(--color-accent);
    animation: particleFloat 8s infinite ease-in-out;
}

.particle:nth-child(1) { top: 20%; left: 15%; animation-delay: 0s; animation-duration: 7s; }
.particle:nth-child(2) { top: 70%; left: 10%; animation-delay: 1s; animation-duration: 9s; }
.particle:nth-child(3) { top: 30%; right: 15%; animation-delay: 2s; animation-duration: 6s; }
.particle:nth-child(4) { top: 80%; right: 20%; animation-delay: 3s; animation-duration: 8s; }
.particle:nth-child(5) { top: 50%; left: 5%; animation-delay: 4s; animation-duration: 10s; }
.particle:nth-child(6) { top: 40%; right: 5%; animation-delay: 5s; animation-duration: 7s; }

@keyframes particleFloat {
    0%, 100% {
        opacity: 0;
        transform: translateY(0) scale(0.5);
    }
    10% {
        opacity: 1;
        transform: translateY(-10px) scale(1);
    }
    90% {
        opacity: 1;
        transform: translateY(-50px) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-60px) scale(0.5);
    }
}

/* Connection Lines SVG */
.tech-connections {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.conn-circle-1 {
    animation: rotateCircle 20s linear infinite;
    transform-origin: center;
}

.conn-circle-2 {
    animation: rotateCircle 30s linear infinite reverse;
    transform-origin: center;
}

@keyframes rotateCircle {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Responsive 3D Scene */
@media (max-width: 992px) {
    .tech-3d-scene {
        width: 320px;
        height: 320px;
    }
    
    .tech-cube-wrapper {
        width: 80px;
        height: 80px;
    }
    
    .cube-face {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    
    .cube-front  { transform: rotateY(0deg) translateZ(40px); }
    .cube-back   { transform: rotateY(180deg) translateZ(40px); }
    .cube-right  { transform: rotateY(90deg) translateZ(40px); }
    .cube-left   { transform: rotateY(-90deg) translateZ(40px); }
    .cube-top    { transform: rotateX(90deg) translateZ(40px); }
    .cube-bottom { transform: rotateX(-90deg) translateZ(40px); }
    
    .orbit-icon {
        width: 50px;
        height: 50px;
        margin: -25px 0 0 -25px;
        font-size: 1rem;
        transform: rotate(var(--position)) translateX(100px) rotate(calc(-1 * var(--position)));
    }
    
    .ring-2 .orbit-icon {
        width: 42px;
        height: 42px;
        margin: -21px 0 0 -21px;
        font-size: 0.85rem;
        transform: rotate(var(--position)) translateX(135px) rotate(calc(-1 * var(--position)));
    }
    
    .orbit-icon span {
        font-size: 0.5rem;
    }
}

@media (max-width: 480px) {
    .tech-3d-scene {
        width: 280px;
        height: 280px;
    }
    
    .tech-cube-wrapper {
        width: 60px;
        height: 60px;
    }
    
    .cube-face {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .cube-front  { transform: rotateY(0deg) translateZ(30px); }
    .cube-back   { transform: rotateY(180deg) translateZ(30px); }
    .cube-right  { transform: rotateY(90deg) translateZ(30px); }
    .cube-left   { transform: rotateY(-90deg) translateZ(30px); }
    .cube-top    { transform: rotateX(90deg) translateZ(30px); }
    .cube-bottom { transform: rotateX(-90deg) translateZ(30px); }
    
    .orbit-icon {
        width: 40px;
        height: 40px;
        margin: -20px 0 0 -20px;
        font-size: 0.85rem;
        border-radius: 8px;
        transform: rotate(var(--position)) translateX(85px) rotate(calc(-1 * var(--position)));
    }
    
    .ring-2 .orbit-icon {
        width: 35px;
        height: 35px;
        margin: -17.5px 0 0 -17.5px;
        font-size: 0.75rem;
        transform: rotate(var(--position)) translateX(115px) rotate(calc(-1 * var(--position)));
    }
    
    .orbit-icon span {
        display: none;
    }
    
    .particle {
        width: 3px;
        height: 3px;
    }
}

/* Legacy tech stack styles - kept for backward compatibility */
.tech-stack-card {
    display: none;
}

/* Responsive Hero */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .hero-left {
        text-align: left;
    }

    .hero-name {
        text-align: center;
    }

    .hero-tags {
        justify-content: center;
    }

    .hero-description {
        text-align: justify;
    }

    .hero-title-typing {
        justify-content: center;
    }

    .hero-location {
        justify-content: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-right {
        order: -1;
        margin: 0 auto;
        margin-bottom: var(--spacing-xl);
    }

    .tech-3d-scene {
        margin: 0 auto;
    }
}

/* Keep old styles for backward compatibility */
.hero-badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(0, 212, 170, 0.1);
    color: var(--color-accent);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(0, 212, 170, 0.3);
    animation: slideInUp 0.6s ease-out;
}

.hero h1 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-text);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    animation: slideInUp 0.8s ease-out 0.2s both;
}

.hero h1 span {
    background: linear-gradient(135deg, #00d4aa, #0ea5e9, #00d4aa);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 5s ease infinite;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    max-width: 650px;
    margin: 0 auto var(--spacing-2xl);
    line-height: 1.8;
    animation: slideInUp 0.8s ease-out 0.4s both;
    text-align: left;
}

/* --- About Section --- */
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(0, 212, 170, 0.2);
    aspect-ratio: 1;
}

.about-image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
    opacity: 0.1;
    z-index: 3;
    pointer-events: none;
}

.about-image-wrapper::after {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
    border-radius: var(--border-radius-lg);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.about-image-wrapper:hover::after {
    opacity: 0.5;
}

.about-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    position: relative;
    z-index: 2;
}

/* Hide placeholder when image loads successfully */
.about-image-wrapper:has(.about-img:not([src=""]):not([src="#"])) .about-placeholder {
    display: none;
}

/* Show placeholder as fallback */
.about-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, #0a2520, #0d1420);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-5xl);
    color: var(--color-accent);
    font-weight: 700;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

/* Image error fallback - show placeholder */
.about-img[src=""],
.about-img:not([src]),
.about-img[src="#"] {
    display: none;
}

.about-img:not([src=""]):not([src="#"]) + .about-placeholder {
    display: none;
}

.about-text h3 {
    font-size: var(--font-size-2xl);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    text-align: justify;
    text-justify: inter-word;
}

.about-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.about-info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(0, 212, 170, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.about-info-item:hover {
    background: rgba(0, 212, 170, 0.1);
    border-color: rgba(0, 212, 170, 0.3);
    transform: translateY(-2px);
}

.about-info-item i {
    color: var(--color-accent);
    font-size: var(--font-size-lg);
    width: 24px;
    flex-shrink: 0;
}

.about-info-item span {
    font-weight: 500;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

/* --- Skills Section --- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.skill-card {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #00d4aa, #0ea5e9);
    opacity: 0;
    transition: var(--transition);
}

.skill-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 212, 170, 0.1);
    border-color: rgba(0, 212, 170, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.skill-card:hover::before {
    opacity: 1;
}

.skill-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.skill-card-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 212, 170, 0.15);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: var(--font-size-xl);
    transition: var(--transition);
}

.skill-card:hover .skill-card-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(0, 212, 170, 0.2);
    background: rgba(0, 212, 170, 0.25);
}

.skill-card h3 {
    font-size: var(--font-size-lg);
    color: var(--color-text);
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.skill-tag {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-light);
    border-radius: 50px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.skill-tag:hover {
    background: rgba(0, 212, 170, 0.15);
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* --- Experience Section --- */
.experience-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-accent), var(--color-accent-2));
}

.experience-item {
    position: relative;
    padding-left: 60px;
    padding-bottom: var(--spacing-2xl);
}

.experience-item:last-child {
    padding-bottom: 0;
}

.experience-dot {
    position: absolute;
    left: 10px;
    top: 5px;
    width: 22px;
    height: 22px;
    background: var(--color-bg);
    border: 3px solid var(--color-accent);
    border-radius: 50%;
    z-index: 1;
}

.experience-content {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.experience-content:hover {
    box-shadow: 0 20px 40px rgba(0, 212, 170, 0.1);
    border-color: rgba(0, 212, 170, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.experience-title {
    font-size: var(--font-size-xl);
    color: var(--color-text);
    font-weight: 700;
}

.experience-company {
    color: var(--color-accent);
    font-weight: 600;
}

.experience-date {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.experience-responsibilities {
    margin-top: var(--spacing-md);
}

.experience-responsibilities li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.experience-responsibilities li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* --- Projects Section --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

/* Project Card with reveal animation */
.project-card {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    animation: projectReveal 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    will-change: transform, opacity;
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }
.project-card:nth-child(5) { animation-delay: 0.5s; }
.project-card:nth-child(6) { animation-delay: 0.6s; }

@keyframes projectReveal {
    0% {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 25px 50px rgba(0, 212, 170, 0.15),
        0 0 0 1px rgba(0, 212, 170, 0.3);
    border-color: rgba(0, 212, 170, 0.3);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Project Image with shimmer effect */
.project-image {
    height: 180px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.15) 0%, rgba(14, 165, 233, 0.15) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 3rem;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.project-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(0, 212, 170, 0.1) 50%,
        transparent 100%
    );
    transform: translateX(-100%);
    animation: imageShimmer 3s ease-in-out infinite;
}

@keyframes imageShimmer {
    0% { transform: translateX(-100%); }
    50%, 100% { transform: translateX(100%); }
}

.project-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300d4aa' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.project-card:hover .project-image {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.25) 0%, rgba(14, 165, 233, 0.25) 100%);
}

.project-image i {
    z-index: 1;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    filter: drop-shadow(0 0 20px rgba(0, 212, 170, 0.3));
}

.project-card:hover .project-image i {
    transform: scale(1.15) rotate(5deg);
    filter: drop-shadow(0 0 30px rgba(0, 212, 170, 0.5));
}

/* Project Content - Flexbox for alignment */
.project-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
    min-height: 2.6em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    text-align: left;
    font-size: var(--font-size-sm);
    flex-grow: 1;
}

.project-description p {
    margin-bottom: var(--spacing-sm);
    display: none; /* Hide the intro paragraph for cleaner look */
}

.project-description ul {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.project-description li {
    position: relative;
    padding-left: var(--spacing-lg);
    font-size: 0.85rem;
    line-height: 1.5;
}

.project-description li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* Tech Tags - Fixed height area */
.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    min-height: 60px;
    align-content: flex-start;
    margin-top: auto;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.project-tech span {
    padding: 4px 12px;
    background: rgba(0, 212, 170, 0.08);
    color: var(--color-accent);
    border: 1px solid rgba(0, 212, 170, 0.2);
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
}

.project-tech span:hover {
    background: rgba(0, 212, 170, 0.2);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

/* Project Link Button */
.project-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding: 12px var(--spacing-lg);
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.15) 0%, rgba(14, 165, 233, 0.1) 100%);
    border: 1px solid rgba(0, 212, 170, 0.3);
    color: var(--color-accent);
    border-radius: 10px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
    position: relative;
    overflow: hidden;
}

.project-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 170, 0.2), transparent);
    transition: left 0.5s ease;
}

.project-link:hover {
    color: var(--color-accent);
    transform: translateY(-3px);
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.25) 0%, rgba(14, 165, 233, 0.2) 100%);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.2);
    border-color: var(--color-accent);
}

.project-link:hover::before {
    left: 100%;
}

.project-link i {
    transition: transform 0.3s ease;
}

.project-link:hover i {
    transform: translateX(3px);
}

/* --- Contact Section --- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-3xl);
    max-width: 1100px;
    margin: 0 auto;
    align-items: start;
}

.contact-info h3 {
    font-size: var(--font-size-2xl);
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    position: relative;
    display: inline-block;
}

.contact-info h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    border-radius: 2px;
}

.contact-info p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    text-align: left;
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: 12px;
    transition: all 0.3s ease;
    background: transparent;
}

.contact-item:hover {
    background: rgba(0, 212, 170, 0.05);
    transform: translateX(5px);
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.15) 0%, rgba(14, 165, 233, 0.1) 100%);
    border: 1px solid rgba(0, 212, 170, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: var(--font-size-lg);
    transition: all 0.3s ease;
}

.contact-item:hover i {
    box-shadow: 0 0 20px rgba(0, 212, 170, 0.3);
    transform: scale(1.05);
}

.contact-item span,
.contact-item a {
    color: var(--color-text-light);
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--color-accent);
}

/* WhatsApp special styling */
.contact-item.contact-whatsapp {
    background: rgba(37, 211, 102, 0.1);
    border-color: rgba(37, 211, 102, 0.3);
}

.contact-item.contact-whatsapp i {
    color: #25d366;
    background: rgba(37, 211, 102, 0.15);
    border-color: rgba(37, 211, 102, 0.3);
}

.contact-item.contact-whatsapp a {
    color: #25d366;
}

.contact-item.contact-whatsapp:hover {
    background: rgba(37, 211, 102, 0.15);
    border-color: #25d366;
    transform: translateX(5px);
}

.contact-item.contact-whatsapp:hover i {
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.4);
}

.contact-social {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.contact-social a {
    width: 50px;
    height: 50px;
    min-width: 44px;
    min-height: 44px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: var(--font-size-xl);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
}

.contact-social a:hover,
.contact-social a:active {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.2) 0%, rgba(14, 165, 233, 0.15) 100%);
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.2);
}

.contact-form {
    background: linear-gradient(145deg, rgba(10, 37, 32, 0.4) 0%, rgba(10, 15, 26, 0.8) 100%);
    border-radius: 24px;
    padding: var(--spacing-2xl);
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(0, 212, 170, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

/* Decorative corner accents */
.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100px;
    height: 100px;
    background: 
        linear-gradient(135deg, rgba(0, 212, 170, 0.3) 0%, transparent 50%);
    border-radius: 24px 0 0 0;
    pointer-events: none;
}

.contact-form::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: 
        radial-gradient(circle at 100% 100%, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.form-group {
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.form-group label::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 2px;
    box-shadow: 0 0 10px var(--color-accent);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-lg);
    border: none;
    border-radius: 12px;
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: 
        linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    color: #ffffff;
    caret-color: var(--color-accent);
    box-shadow: 
        inset 0 2px 4px rgba(0, 0, 0, 0.2),
        0 1px 0 rgba(255, 255, 255, 0.05);
    position: relative;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #4a5568;
    opacity: 1;
    font-style: italic;
}

.form-group input:hover,
.form-group textarea:hover {
    background: 
        linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    box-shadow: 
        inset 0 2px 4px rgba(0, 0, 0, 0.2),
        0 1px 0 rgba(255, 255, 255, 0.05),
        0 0 20px rgba(0, 212, 170, 0.05);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    background: 
        linear-gradient(135deg, rgba(0, 212, 170, 0.08) 0%, rgba(14, 165, 233, 0.05) 100%);
    box-shadow: 
        inset 0 2px 4px rgba(0, 0, 0, 0.1),
        0 0 0 2px rgba(0, 212, 170, 0.5),
        0 0 30px rgba(0, 212, 170, 0.15),
        0 0 60px rgba(0, 212, 170, 0.05);
    color: #ffffff;
}

/* Fix autofill styles for dark theme */
.form-group input:-webkit-autofill,
.form-group input:-webkit-autofill:hover,
.form-group input:-webkit-autofill:focus,
.form-group textarea:-webkit-autofill,
.form-group textarea:-webkit-autofill:hover,
.form-group textarea:-webkit-autofill:focus {
    -webkit-text-fill-color: #ffffff;
    -webkit-box-shadow: 0 0 0px 1000px rgba(10, 25, 22, 0.98) inset;
    box-shadow: 0 0 0px 1000px rgba(10, 25, 22, 0.98) inset;
    border: 2px solid var(--color-accent);
    caret-color: var(--color-accent);
}

.form-group textarea {
    min-height: 140px;
    resize: none;
    line-height: 1.6;
}

/* Premium submit button */
.contact-form .btn {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 12px;
    background: 
        linear-gradient(135deg, #00d4aa 0%, #0ea5e9 50%, #00d4aa 100%);
    background-size: 200% 200%;
    color: #0a0f1a;
    border: none;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 4px 15px rgba(0, 212, 170, 0.3),
        0 0 0 1px rgba(0, 212, 170, 0.5);
}

.contact-form .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.6s ease;
}

.contact-form .btn:hover {
    background-position: 100% 0;
    transform: translateY(-3px);
    box-shadow: 
        0 8px 25px rgba(0, 212, 170, 0.4),
        0 0 0 1px rgba(0, 212, 170, 0.8),
        0 0 50px rgba(0, 212, 170, 0.2);
    color: #0a0f1a;
}

.contact-form .btn:hover::before {
    left: 100%;
}

.contact-form .btn:active {
    transform: translateY(-1px);
    box-shadow: 
        0 4px 15px rgba(0, 212, 170, 0.3),
        0 0 0 1px rgba(0, 212, 170, 0.5);
}

.contact-form .btn i {
    margin-right: var(--spacing-sm);
    transition: transform 0.3s ease;
}

.contact-form .btn:hover i {
    transform: translateX(5px) rotate(-15deg);
}

/* --- Footer --- */
.footer {
    background: rgba(10, 15, 26, 0.8);
    border-top: 1px solid var(--color-border);
    color: var(--color-text);
    padding: var(--spacing-2xl) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-text p {
    color: var(--color-text-light);
}

.footer-text strong {
    color: var(--color-text);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    transition: var(--transition);
}

.footer-links a:hover {
    background: rgba(0, 212, 170, 0.15);
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.2) 0%, rgba(14, 165, 233, 0.15) 100%);
    border: 1px solid rgba(0, 212, 170, 0.4);
    border-radius: 12px;
    color: var(--color-accent);
    font-size: var(--font-size-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 999;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.3) 0%, rgba(14, 165, 233, 0.25) 100%);
    border-color: var(--color-accent);
    transform: translateY(-5px);
    box-shadow: 
        0 15px 40px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(0, 212, 170, 0.3);
}

.scroll-to-top:active {
    transform: translateY(-2px);
}

.scroll-to-top i {
    transition: transform 0.3s ease;
}

.scroll-to-top:hover i {
    transform: translateY(-3px);
    animation: bounceUp 0.6s ease infinite;
}

@keyframes bounceUp {
    0%, 100% { transform: translateY(-3px); }
    50% { transform: translateY(-8px); }
}

/* Mobile adjustments */
@media (max-width: 480px) {
    .scroll-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
        font-size: var(--font-size-base);
        border-radius: 10px;
    }
}

/* --- Resume Page Specific --- */
.resume-page {
    padding-top: calc(var(--header-height) + var(--spacing-3xl));
    min-height: 100vh;
}

.resume-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.resume-header h1 {
    font-size: var(--font-size-4xl);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.resume-header p {
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

.resume-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.resume-section {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--color-border);
}

.resume-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.resume-section h2 {
    font-size: var(--font-size-xl);
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.resume-section h2 i {
    color: var(--color-accent);
}

.resume-section p {
    text-align: left;
}

.resume-skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.resume-skill-category h4 {
    font-size: var(--font-size-base);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.resume-skill-category p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.resume-download {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

/* --- Responsive Design --- */

/* Tablets and small laptops */
@media (max-width: 992px) {
    #about .section-title {
        margin-bottom: var(--spacing-xl);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .about-image {
        max-width: 240px;
        margin: 0 auto;
    }

    .about-text {
        text-align: left;
    }

    .about-text h3 {
        text-align: center;
        margin-bottom: var(--spacing-md);
    }

    .about-text p {
        margin-bottom: var(--spacing-sm);
    }

    .about-info {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
        margin-top: var(--spacing-md);
    }

    .about-info-item {
        background: rgba(0, 212, 170, 0.05);
        border: 1px solid var(--color-border);
        border-radius: 10px;
        padding: var(--spacing-sm) var(--spacing-md);
        flex-direction: column;
        text-align: center;
        gap: 4px;
    }

    .about-info-item i {
        font-size: var(--font-size-lg);
    }

    .about-info-item span {
        font-size: 0.8rem;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

/* Tablets and large phones */
@media (max-width: 768px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
        --font-size-2xl: 1.25rem;
        --font-size-5xl: 2.25rem;
        --header-height: 60px;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: rgba(10, 15, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: 0;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu a {
        padding: var(--spacing-md) var(--spacing-lg);
        min-height: 48px;
        display: flex;
        align-items: center;
        border-bottom: 1px solid var(--color-border);
        width: 100%;
        color: var(--color-text-light);
    }

    .nav-menu a:hover,
    .nav-menu a.active {
        color: var(--color-accent);
    }

    .nav-menu a:last-child {
        border-bottom: none;
    }

    .nav-menu a::after {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--header-height) + var(--spacing-xl));
        padding-bottom: var(--spacing-2xl);
    }

    .hero h1,
    .hero-name {
        font-size: var(--font-size-3xl);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }

    .hero-description {
        font-size: var(--font-size-sm);
        text-align: justify;
    }

    .hero-title-typing {
        font-size: var(--font-size-lg);
    }

    /* Tech Stack Card Mobile */
    .tech-stack-card {
        max-width: 100%;
        padding: var(--spacing-lg);
    }

    .tech-node {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.75rem;
    }

    .tech-node.tech-small {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.7rem;
    }

    .tech-row {
        gap: var(--spacing-sm);
    }

    .tech-integration {
        font-size: 0.65rem;
        padding: 3px var(--spacing-sm);
    }

    /* About Section Mobile */
    #about .section-title {
        margin-bottom: var(--spacing-xl);
    }

    .about-content {
        gap: var(--spacing-lg);
    }

    .about-image {
        max-width: 200px;
    }

    .about-text h3 {
        font-size: var(--font-size-xl);
        text-align: center;
        margin-bottom: var(--spacing-sm);
    }

    .about-text p {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-sm);
        text-align: justify;
    }

    .about-info {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
        margin-top: var(--spacing-md);
    }

    .about-info-item {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-sm) var(--spacing-xs);
    }

    .about-info-item i {
        margin-bottom: 4px;
    }

    /* Experience Section Mobile */
    .experience-timeline::before {
        left: 10px;
    }

    .experience-item {
        padding-left: 40px;
    }

    .experience-dot {
        left: 0;
        width: 18px;
        height: 18px;
    }

    .experience-header {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .experience-date {
        align-self: flex-start;
    }

    .experience-title {
        font-size: var(--font-size-lg);
    }

    /* Projects Grid Mobile */
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-image {
        height: 150px;
    }

    .project-content {
        padding: var(--spacing-lg);
    }

    .project-title {
        font-size: var(--font-size-lg);
    }

    /* Section Titles Mobile */
    .section-title {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-2xl);
    }

    /* Footer Mobile */
    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    /* Resume Page Mobile */
    .resume-content {
        padding: var(--spacing-xl);
    }

    .resume-header h1 {
        font-size: var(--font-size-2xl);
    }

    .resume-skills-grid {
        grid-template-columns: 1fr;
    }

    /* Contact Section Mobile */
    .contact-info {
        text-align: left;
    }

    .contact-info h3 {
        text-align: center;
    }

    .contact-info > p {
        text-align: left;
    }

    .contact-details {
        align-items: flex-start;
    }

    .contact-social {
        justify-content: center;
    }
}

/* Small phones */
@media (max-width: 480px) {
    :root {
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.125rem;
        --font-size-xl: 1rem;
        --spacing-3xl: 2.5rem;
        --spacing-4xl: 3rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .section {
        padding: var(--spacing-xl) 0;
    }

    /* Hero Mobile Small */
    .hero {
        padding-top: calc(var(--header-height) + var(--spacing-lg));
        padding-bottom: var(--spacing-xl);
    }

    .hero-name {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-md);
    }

    .hero-tags {
        gap: var(--spacing-xs);
        margin-bottom: var(--spacing-md);
    }

    .hero-tag {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.7rem;
    }

    .hero-description {
        font-size: 0.8rem;
        line-height: 1.6;
        margin-bottom: var(--spacing-md);
        text-align: justify;
    }

    .hero-title-typing {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-sm);
    }

    .hero-location {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-lg);
    }

    .hero-buttons {
        gap: var(--spacing-sm);
    }

    .hero-buttons .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
        max-width: 100%;
    }

    /* Tech Stack Card Very Small */
    .tech-stack-card {
        padding: var(--spacing-md);
    }

    .tech-stack-header {
        font-size: 0.7rem;
        padding-bottom: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }

    .tech-stack-content {
        gap: var(--spacing-xs);
    }

    .tech-node {
        padding: 4px var(--spacing-sm);
        font-size: 0.65rem;
    }

    .tech-node.tech-small {
        padding: 3px var(--spacing-xs);
        font-size: 0.6rem;
    }

    .tech-arrow,
    .tech-arrow-split {
        font-size: var(--font-size-sm);
    }

    .tech-arrow-split {
        gap: var(--spacing-md);
    }

    .tech-row {
        gap: var(--spacing-xs);
    }

    .tech-integrations {
        margin-top: var(--spacing-sm);
        padding-top: var(--spacing-sm);
        gap: var(--spacing-xs);
    }

    .tech-integration {
        font-size: 0.55rem;
        padding: 2px 6px;
    }

    /* About Section Mobile Small */
    #about .section-title {
        margin-bottom: var(--spacing-lg);
        font-size: var(--font-size-xl);
    }

    .about-content {
        gap: var(--spacing-md);
    }

    .about-image {
        max-width: 150px;
    }

    .about-placeholder {
        font-size: var(--font-size-xl);
    }

    .about-text h3 {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-xs);
        margin-top: 0;
    }

    .about-text p {
        font-size: 0.8rem;
        margin-bottom: var(--spacing-xs);
        line-height: 1.6;
        text-align: justify;
    }

    .about-info {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        margin-top: var(--spacing-sm);
    }

    .about-info-item {
        padding: 8px 6px;
        border-radius: 8px;
    }

    .about-info-item i {
        font-size: var(--font-size-base);
    }

    .about-info-item span {
        font-size: 0.7rem;
        line-height: 1.2;
    }

    /* Skills Grid Mobile Small */
    .skills-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .skill-card {
        padding: var(--spacing-lg);
    }

    .skill-card-header {
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }

    .skill-card-icon {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-lg);
    }

    .skill-card h3 {
        font-size: var(--font-size-base);
    }

    .skill-tag {
        font-size: 0.75rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    /* Experience Mobile Small */
    .experience-content {
        padding: var(--spacing-lg);
    }

    .experience-title {
        font-size: var(--font-size-base);
    }

    .experience-company {
        font-size: var(--font-size-sm);
    }

    .experience-date {
        font-size: 0.75rem;
    }

    .experience-responsibilities li {
        font-size: var(--font-size-sm);
        padding-left: var(--spacing-md);
    }

    /* Projects Mobile Small */
    .project-card {
        animation-delay: 0.1s !important;
    }

    .project-image {
        height: 120px;
        font-size: 2rem;
    }

    .project-content {
        padding: var(--spacing-md);
    }

    .project-title {
        font-size: var(--font-size-base);
        min-height: auto;
        margin-bottom: var(--spacing-sm);
    }

    .project-description {
        font-size: 0.8rem;
    }

    .project-description li {
        padding-left: var(--spacing-md);
        font-size: 0.75rem;
    }

    .project-tech {
        gap: 4px;
        min-height: auto;
        padding-top: var(--spacing-sm);
    }

    .project-tech span {
        font-size: 0.6rem;
        padding: 3px 8px;
    }

    .project-link {
        font-size: var(--font-size-sm);
        padding: 10px var(--spacing-md);
    }

    /* Contact Mobile Small */
    .contact-info h3 {
        font-size: var(--font-size-lg);
    }

    .contact-info p {
        font-size: var(--font-size-sm);
    }

    .contact-item {
        flex-direction: row;
        gap: var(--spacing-sm);
        text-align: left;
        padding: var(--spacing-sm);
    }

    .contact-item i {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-base);
        border-radius: 10px;
    }

    .contact-item span {
        font-size: var(--font-size-sm);
        word-break: break-word;
    }

    .contact-social a {
        width: 44px;
        height: 44px;
        border-radius: 10px;
    }

    .contact-form {
        padding: var(--spacing-lg);
        border-radius: 16px;
    }

    .contact-form::before {
        width: 60px;
        height: 60px;
    }

    .contact-form::after {
        width: 80px;
        height: 80px;
    }

    .form-group {
        margin-bottom: var(--spacing-lg);
    }

    .form-group label {
        font-size: 0.7rem;
        letter-spacing: 1px;
    }

    .form-group label::before {
        width: 6px;
        height: 6px;
    }

    .form-group input,
    .form-group textarea {
        padding: var(--spacing-md);
        font-size: var(--font-size-sm);
        border-radius: 10px;
    }

    .contact-form .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-sm);
        letter-spacing: 1.5px;
        border-radius: 10px;
    }

    /* Resume Page Mobile Small */
    .resume-page {
        padding-top: calc(var(--header-height) + var(--spacing-xl));
    }

    .resume-header {
        margin-bottom: var(--spacing-xl);
    }

    .resume-header h1 {
        font-size: var(--font-size-xl);
    }

    .resume-header p {
        font-size: var(--font-size-sm);
    }

    .resume-content {
        padding: var(--spacing-lg);
        border-radius: var(--border-radius);
    }

    .resume-section {
        margin-bottom: var(--spacing-xl);
        padding-bottom: var(--spacing-xl);
    }

    .resume-section h2 {
        font-size: var(--font-size-lg);
    }

    .resume-section p,
    .resume-section li {
        font-size: var(--font-size-sm);
    }

    .resume-skill-category h4 {
        font-size: var(--font-size-sm);
    }

    .resume-skill-category p {
        font-size: 0.75rem;
    }

    .resume-download .btn {
        width: 100%;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    /* Footer Mobile Small */
    .footer {
        padding: var(--spacing-xl) 0;
    }

    .footer-text p {
        font-size: var(--font-size-sm);
    }

    .footer-links a {
        width: 35px;
        height: 35px;
        font-size: var(--font-size-sm);
    }
}

/* Extra small phones (320px and below) */
@media (max-width: 360px) {
    :root {
        --font-size-base: 14px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-name {
        font-size: 1.25rem;
    }

    .hero-tag {
        font-size: 0.6rem;
    }

    .tech-stack-card {
        padding: var(--spacing-sm);
    }

    .tech-node {
        font-size: 0.55rem;
        padding: 3px 6px;
    }

    .tech-node.tech-small {
        font-size: 0.5rem;
        padding: 2px 4px;
    }

    .tech-integration {
        font-size: 0.5rem;
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.75rem;
    }

    .skill-card,
    .experience-content,
    .project-content,
    .contact-form,
    .resume-content {
        padding: var(--spacing-md);
    }

    .section-title {
        font-size: var(--font-size-lg);
    }

    .section-title::after {
        width: 50px;
        height: 3px;
    }
}