/* =====================================================
   PORTFOLIO - ELEGANT BLACK & WHITE
   Smooth Animations Inspired by Spotify Premium
   ===================================================== */

/* ===== CSS Variables ===== */
:root {
    /* Colors - Black & White Palette */
    --color-black: #000000;
    --color-dark: #0a0a0a;
    --color-darker: #111111;
    --color-gray-900: #1a1a1a;
    --color-gray-800: #2d2d2d;
    --color-gray-700: #404040;
    --color-gray-600: #525252;
    --color-gray-500: #737373;
    --color-gray-400: #a3a3a3;
    --color-gray-300: #d4d4d4;
    --color-gray-200: #e5e5e5;
    --color-gray-100: #f5f5f5;
    --color-white: #ffffff;

    /* Functional Colors */
    --bg-primary: var(--color-dark);
    --bg-secondary: var(--color-gray-900);
    --text-primary: var(--color-white);
    --text-secondary: var(--color-gray-400);
    --text-muted: var(--color-gray-500);
    --border-color: var(--color-gray-800);
    --accent: var(--color-white);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    /* Spacing */
    --section-padding: clamp(80px, 10vw, 140px);
    --container-width: 1200px;
    --container-padding: clamp(20px, 5vw, 40px);

    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --duration-fast: 0.3s;
    --duration-normal: 0.6s;
    --duration-slow: 1s;

    /* Borders */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background-color: var(--color-white);
    color: var(--color-black);
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ===== Cursor Glow Effect ===== */
.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

body:hover .cursor-glow {
    opacity: 1;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ===== Section ===== */
.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 16px;
    position: relative;
}

.section-label::before,
.section-label::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
    background: var(--border-color);
}

.section-label::before {
    right: calc(100% + 16px);
}

.section-label::after {
    left: calc(100% + 16px);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.section-title em {
    font-style: italic;
    color: var(--text-secondary);
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--duration-normal) var(--ease-out-quart);
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    position: relative;
}

.logo-text {
    position: relative;
    display: inline-block;
}

.logo-text::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-white);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--duration-fast) var(--ease-out-quart);
}

.nav-logo:hover .logo-text::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-menu {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 8px 0;
    transition: color var(--duration-fast) ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--color-white);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--duration-fast) var(--ease-out-quart);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 32px;
    height: 32px;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-white);
    transition: all var(--duration-fast) var(--ease-out-quart);
    transform-origin: center;
}

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

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

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

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 80% at 20% 20%, rgba(60, 60, 80, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse 60% 60% at 80% 30%, rgba(80, 60, 100, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse 70% 70% at 70% 80%, rgba(40, 60, 90, 0.35) 0%, transparent 50%),
        radial-gradient(ellipse 80% 50% at 30% 90%, rgba(90, 70, 100, 0.25) 0%, transparent 50%);
    background-size: 200% 200%;
    animation: meshGradient 15s ease infinite;
}

@keyframes meshGradient {
    0% {
        background-position: 0% 0%;
        filter: hue-rotate(0deg);
    }

    25% {
        background-position: 100% 0%;
    }

    50% {
        background-position: 100% 100%;
        filter: hue-rotate(30deg);
    }

    75% {
        background-position: 0% 100%;
    }

    100% {
        background-position: 0% 0%;
        filter: hue-rotate(0deg);
    }
}

/* Additional Animated Orbs */
.hero-bg::before,
.hero-bg::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: orbFloat 20s ease-in-out infinite;
}

.hero-bg::before {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(100, 80, 150, 0.4) 0%, transparent 70%);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.hero-bg::after {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(60, 100, 140, 0.35) 0%, transparent 70%);
    bottom: -10%;
    right: -10%;
    animation-delay: -10s;
}

@keyframes orbFloat {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(50px, -30px) scale(1.1);
    }

    50% {
        transform: translate(20px, 50px) scale(0.95);
    }

    75% {
        transform: translate(-30px, 20px) scale(1.05);
    }
}

.hero-lines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: linesMove 20s linear infinite;
}

@keyframes linesMove {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(60px, 60px);
    }
}

/* Floating Shapes */
.floating-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 10%;
    animation-delay: -5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 20%;
    animation-delay: -10s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 30%;
    right: 25%;
    animation-delay: -15s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
        opacity: 0.3;
    }

    25% {
        transform: translate(30px, -30px) rotate(90deg);
        opacity: 0.5;
    }

    50% {
        transform: translate(0, -60px) rotate(180deg);
        opacity: 0.3;
    }

    75% {
        transform: translate(-30px, -30px) rotate(270deg);
        opacity: 0.5;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: 0 var(--container-padding);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-white);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

.hero-title {
    margin-bottom: 32px;
}

.title-line {
    display: block;
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.title-name {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 500;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-role {
    display: block;
    overflow: hidden;
}

.role-text {
    display: inline-block;
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 300;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 1.5s;
    opacity: 0;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-gray-600);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--color-white);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }

    50% {
        transform: translateX(-50%) translateY(12px);
        opacity: 0;
    }
}

.scroll-indicator span {
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 32px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    transition: all var(--duration-fast) var(--ease-out-quart);
    position: relative;
    overflow: hidden;
}

.btn svg {
    transition: transform var(--duration-fast) var(--ease-out-quart);
}

.btn:hover svg {
    transform: translateX(4px);
}

.btn-primary {
    background: var(--color-white);
    color: var(--color-black);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-gray-200) 0%, var(--color-white) 100%);
    opacity: 0;
    transition: opacity var(--duration-fast) ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(255, 255, 255, 0.2);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary span {
    position: relative;
    z-index: 1;
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--color-white);
    background: rgba(255, 255, 255, 0.05);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 1px solid var(--color-white);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-black);
}

.btn-full {
    width: 100%;
}

/* ===== About Section ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    aspect-ratio: 4/5;
    max-width: 400px;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 500;
    color: var(--color-gray-600);
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.05) 100%);
}

/* Profile Image */
.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: var(--radius-lg);
    transition: transform var(--duration-normal) var(--ease-out-quart);
}

.image-wrapper:hover .profile-img {
    transform: scale(1.05);
}

.image-border {
    position: absolute;
    inset: -20px;
    border: 1px solid var(--border-color);
    border-radius: calc(var(--radius-lg) + 8px);
    pointer-events: none;
}

.about-stats {
    display: flex;
    gap: 32px;
    margin-top: 40px;
}

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

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 500;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-number::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--text-muted);
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.about-text {
    max-width: 500px;
}

.about-text .lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-signature {
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.signature {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
}

/* ===== Projects Section ===== */
.projects {
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.project-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--duration-normal) var(--ease-out-quart);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-gray-700);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.project-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--duration-slow) var(--ease-out-quart);
}

.project-placeholder span {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.project-card:hover .project-placeholder {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--duration-fast) ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    width: 60px;
    height: 60px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-black);
    transform: scale(0.8);
    transition: transform var(--duration-fast) var(--ease-out-quart);
}

.project-card:hover .project-link {
    transform: scale(1);
}

.project-link:hover {
    transform: scale(1.1);
}

.project-info {
    padding: 28px;
}

.project-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.project-tags span {
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 12px;
    transition: color var(--duration-fast) ease;
}

.project-card:hover .project-title {
    color: var(--color-gray-300);
}

.project-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.projects-cta {
    text-align: center;
    margin-top: 60px;
}

/* ===== Skills Section ===== */
.skills-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: start;
    margin-bottom: 80px;
}

.skills-text .lead {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.skills-text p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.skill-item {
    background: var(--bg-secondary);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--duration-fast) var(--ease-out-quart);
}

.skill-item:hover {
    border-color: var(--color-gray-700);
    transform: translateY(-4px);
}

.skill-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--color-white);
}

.skill-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.skill-item p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Skills Marquee */
.skills-marquee {
    overflow: hidden;
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.marquee-track {
    display: flex;
    animation: marquee 30s linear infinite;
}

.marquee-content {
    display: flex;
    gap: 40px;
    padding-right: 40px;
}

.marquee-content span {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-muted);
    white-space: nowrap;
    transition: color var(--duration-fast) ease;
}

.marquee-content span:not(:last-child):hover {
    color: var(--text-primary);
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* ===== Contact Section ===== */
.contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info .lead {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 32px;
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--duration-fast) var(--ease-out-quart);
}

.contact-item:hover {
    border-color: var(--color-gray-700);
    transform: translateX(8px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    flex-shrink: 0;
}

.contact-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-text .label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.contact-text .value {
    font-size: 1rem;
    color: var(--text-primary);
}

/* Social Links */
.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 48px;
    height: 48px;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--duration-fast) var(--ease-out-quart);
}

.social-link:hover {
    color: var(--color-black);
    background: var(--color-white);
    border-color: var(--color-white);
    transform: translateY(-4px);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 20px 0;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-primary);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color);
    outline: none;
    resize: none;
    transition: border-color var(--duration-fast) ease;
}

.form-group textarea {
    min-height: 120px;
}

.form-group label {
    position: absolute;
    top: 20px;
    left: 0;
    font-size: 1rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: all var(--duration-fast) var(--ease-out-quart);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-white);
}

.form-group input:focus+label,
.form-group input:not(:placeholder-shown)+label,
.form-group textarea:focus+label,
.form-group textarea:not(:placeholder-shown)+label {
    top: -8px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-white);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--duration-fast) var(--ease-out-quart);
}

.form-group input:focus~.form-line,
.form-group textarea:focus~.form-line {
    transform: scaleX(1);
}

/* ===== Footer ===== */
.footer {
    padding: 60px 0 40px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.footer-brand p {
    margin-top: 8px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-nav {
    display: flex;
    gap: 32px;
}

.footer-nav a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: color var(--duration-fast) ease;
}

.footer-nav a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ===== Animations ===== */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 0;
    transition:
        opacity var(--duration-slow) var(--ease-out-quart),
        transform var(--duration-slow) var(--ease-out-quart);
}

.reveal-up {
    transform: translateY(40px);
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-right {
    transform: translateX(40px);
}

.reveal-up.revealed,
.reveal-left.revealed,
.reveal-right.revealed {
    opacity: 1;
    transform: translate(0);
}

/* Staggered Animation Delays */
[style*="--delay"] {
    transition-delay: var(--delay);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .about-content {
        gap: 60px;
    }

    .skills-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-content {
        gap: 60px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {

    /* Mobile Navigation */
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-primary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 32px;
        opacity: 0;
        visibility: hidden;
        transition: all var(--duration-normal) var(--ease-out-quart);
        z-index: 1000;
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-menu .nav-link {
        font-size: 1.5rem;
        padding: 12px 24px;
    }

    .nav-toggle {
        display: flex;
        position: relative;
        z-index: 1001;
    }

    /* Hero Mobile */
    .hero {
        min-height: 100svh;
        /* Use small viewport height for mobile */
        padding: 100px 0 60px;
    }

    .hero-content {
        padding: 0 20px;
    }

    .title-name {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }

    .role-text {
        font-size: clamp(0.75rem, 2.5vw, 1rem);
        letter-spacing: 0.05em;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
        padding: 0 20px;
    }

    .hero-cta .btn {
        width: 100%;
        max-width: 100%;
        padding: 18px 28px;
    }

    .scroll-indicator {
        display: none;
    }

    /* About Mobile */
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .image-wrapper {
        max-width: 280px;
        margin: 0 auto;
    }

    .about-stats {
        justify-content: center;
        gap: 20px;
    }

    .about-text {
        max-width: 100%;
    }

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

    /* Projects Mobile */
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .project-info {
        padding: 20px;
    }

    .project-title {
        font-size: 1.25rem;
    }

    .project-tags {
        flex-wrap: wrap;
    }

    /* Skills Mobile */
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .skill-item {
        padding: 24px;
    }

    .skills-marquee {
        padding: 24px 0;
    }

    .marquee-content span {
        font-size: 1rem;
    }

    /* Contact Mobile */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-item {
        padding: 16px;
    }

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

    .social-link {
        width: 52px;
        height: 52px;
    }

    /* Form Mobile */
    .form-group input,
    .form-group textarea {
        font-size: 16px;
        /* Prevent zoom on iOS */
    }

    .btn-full {
        padding: 18px 24px;
    }

    /* Footer Mobile */
    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .footer-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    /* Section padding mobile */
    .section {
        padding: clamp(60px, 8vw, 100px) 0;
    }

    .section-title {
        font-size: clamp(2rem, 5vw, 3rem);
    }
}

@media (max-width: 480px) {
    .about-stats {
        flex-direction: row;
        gap: 16px;
    }

    .stat-item {
        flex: 1;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .stat-label {
        font-size: 0.625rem;
    }

    .section-label::before,
    .section-label::after {
        display: none;
    }

    .hero-badge {
        font-size: 0.625rem;
        padding: 6px 12px;
    }

    .container {
        padding: 0 16px;
    }
}

/* ===== Loading State ===== */
body.loading {
    overflow: hidden;
}

body.loading::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    z-index: 9999;
    animation: fadeOut 0.5s ease 0.5s forwards;
}

@keyframes fadeOut {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

/* ===== Smooth Scroll Offset for Fixed Nav ===== */
:target {
    scroll-margin-top: 100px;
}

/* ===== Touch Device Optimizations ===== */
@media (hover: none) and (pointer: coarse) {
    .project-overlay {
        opacity: 1;
        background: rgba(0, 0, 0, 0.4);
    }

    .project-link {
        transform: scale(1);
    }

    .cursor-glow {
        display: none;
    }

    /* Larger touch targets */
    .nav-link {
        padding: 12px 16px;
    }

    .btn {
        min-height: 48px;
    }

    .social-link {
        min-width: 48px;
        min-height: 48px;
    }
}