/* =========================================
   CUSTOM FONTS
   ========================================= */

@font-face {
    font-family: 'NType';
    src: url('ntype.otf') format('opentype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* =========================================
   DESIGN SYSTEM & VARIABLES
   ========================================= */

:root {
    /* Light Theme (Default) */
    --bg-color: #F7F7F7;
    --card-bg: #FFFFFF;
    --text-main: #121212;
    --text-muted: #555555;
    --accent: #D93025;
    --accent-soft: rgba(217, 48, 37, 0.08);
    --border-color: #E5E5E5;
    --code-bg: #ffffff;
    --dot-color: #D93025;

    /* Fonts */
    --font-body: 'NType', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'NType', sans-serif;

    /* Spacing */
    --spacing-xs: 0.75rem;
    --spacing-sm: 1.5rem;
    --spacing-md: 3rem;
    --spacing-lg: 6rem;
    --spacing-xl: 8rem;

    /* Layout */
    --container-width: 1200px;
    --border-radius: 20px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Dark Theme Override */
[data-theme="dark"] {
    --bg-color: #0A0A0A;
    --card-bg: #141414;
    --text-main: #FAFAFA;
    --text-muted: #888888;
    --accent: #FF3B30;
    --accent-soft: rgba(255, 59, 48, 0.1);
    --border-color: #222222;
    --code-bg: #000000;
    --dot-color: rgba(255, 58, 48, 0.404);
}

/* =========================================
   RESET & BASE STYLES
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
    background-image: radial-gradient(var(--dot-color) 1px, transparent 1px);
    background-size: 32px 32px;
    cursor: none;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text-main);
    text-transform: uppercase;
}

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

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

/* =========================================
   UTILITIES
   ========================================= */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: var(--accent);
    border-radius: 50%;
    margin-left: var(--spacing-xs);
    vertical-align: middle;
    animation: breathe 3s infinite ease-in-out;
}

@keyframes breathe {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.7); }
}

.current-focus-section {
    padding-top: 6rem;
    padding-bottom: 2rem;
}

/* =========================================
   GLOBAL COMPONENTS
   ========================================= */

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.preloader-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    animation: float 2s ease-in-out infinite;
}

.preloader-logo img {
    width: 100%;
    height: 100%;
    border-radius: 16px;
    border: 2px solid var(--border-color);
}

.preloader-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--text-main);
    letter-spacing: 0.2em;
    margin-bottom: 8px;
}

.preloader-subtext {
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
}

.preloader-progress {
    width: 120px;
    height: 3px;
    background: var(--border-color);
    margin: 25px auto 0;
    border-radius: 3px;
    overflow: hidden;
}

.preloader-progress-bar {
    height: 100%;
    background: var(--accent);
    width: 0%;
    animation: load 1.5s ease-in-out forwards;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes blink {
    0%, 100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.5; transform: translate(-50%, -50%) scale(0.8); }
}

@keyframes load {
    0% { width: 0%; }
    100% { width: 100%; }
}

/* Skip to Content Link */
.skip-to-content {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 12px 24px;
    border-radius: 0 0 8px 8px;
    font-weight: 600;
    z-index: 10000;
    transition: top 0.3s ease;
}

.skip-to-content:focus { top: 0; outline: none; }

/* Custom Cursor */
.custom-cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000000;
    transform: translate(-50%, -50%);
    transition: transform 0.15s ease, width 0.2s ease, height 0.2s ease;
    mix-blend-mode: difference;
}

.custom-cursor.hovering {
    width: 50px;
    height: 50px;
    background: rgba(255, 59, 48, 0.1);
}

/* Particle Background Canvas */
.particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.4;
}

/* =========================================
   HEADER & NAV
   ========================================= */
header {
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(247, 247, 247, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] header {
    background-color: rgba(10, 10, 10, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-main);
}

.logo-img {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    object-fit: contain;
}

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

.theme-toggle {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-main);
    font-size: 1.2rem;
    transition: var(--transition);
}

.theme-toggle:hover {
    transform: rotate(15deg);
    border-color: var(--accent);
}

[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* Default state (light) */
.icon-sun { display: none; }
.icon-moon { display: block; }

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

.nav-links a {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    position: relative;
    padding: 8px 0;
}

.nav-links a:hover { color: var(--text-main); }

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

.nav-links a:hover::after { width: 100%; }

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    padding: calc(var(--spacing-xl) * 1.2) 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(3rem, 6vw, 5.5rem);
    margin-bottom: var(--spacing-sm);
    line-height: 1.05;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 540px;
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 14px 28px;
    border-radius: 60px;
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background-color: var(--text-main);
    color: var(--bg-color);
    border: 2px solid var(--text-main);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    border-color: var(--text-main);
    background-color: var(--card-bg);
}

/* 3D Visual */
.scene-3d {
    perspective: 800px;
    width: 100%;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cube {
    width: 180px;
    height: 180px;
    position: relative;
    transform-style: preserve-3d;
    animation: rotateCube 15s infinite linear;
}

.cube-face {
    position: absolute;
    width: 180px;
    height: 180px;
    border: 1px solid var(--accent);
    background: var(--accent-soft);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    font-weight: bold;
    font-size: 1.2rem;
    opacity: 0.9;
}

.cube-face:nth-child(1) { transform: translateZ(90px); }
.cube-face:nth-child(2) { transform: rotateY(180deg) translateZ(90px); }
.cube-face:nth-child(3) { transform: rotateY(90deg) translateZ(90px); }
.cube-face:nth-child(4) { transform: rotateY(-90deg) translateZ(90px); }
.cube-face:nth-child(5) { transform: rotateX(90deg) translateZ(90px); }
.cube-face:nth-child(6) { transform: rotateX(-90deg) translateZ(90px); }

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

/* =========================================
   PROJECT & CARD GRIDS
   ========================================= */
#team {
    padding-top: var(--spacing-lg);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.project-card:hover::before { transform: scaleX(1); }

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.card-content {
    padding: var(--spacing-sm);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-tags {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 10px;
    font-weight: 700;
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.card-desc {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    flex-grow: 1;
}

.card-link {
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-main);
}

.card-link span { transition: transform 0.2s ease; }
.card-link:hover span { transform: translateX(6px); }

/* Team Cards */
.team .project-grid {
    grid-template-columns: repeat(4, 1fr);
}

.team .card-image {
    height: 200px;
    background: var(--bg-color);
}

.team .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-span-2 { grid-column: span 2; }

/* Current Project Card */
.cp-card {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--spacing-md);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    position: relative;
}

.cp-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background-color: var(--accent);
}

.cp-icon svg {
    background: var(--bg-color);
    padding: 20px;
    border-radius: 12px;
    color: var(--accent);
}

.cp-tag {
    font-size: 0.7rem;
    background: var(--accent-soft);
    color: var(--accent);
    padding: 4px 10px;
    border-radius: 6px;
    margin-left: 10px;
}

.cp-footer {
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
}

.universal-badge {
    display: inline-block;
    background: var(--text-main);
    color: var(--bg-color);
    padding: 6px 14px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* =========================================
   MANIFESTO / VALUES
   ========================================= */
.manifesto { padding: var(--spacing-xl) 0; background-color: var(--card-bg); }

.manifesto-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.value-card {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-color);
    transition: var(--transition);
}

.value-card:hover { transform: translateY(-5px); border-color: var(--accent); }

.value-icon { font-size: 2rem; margin-bottom: var(--spacing-sm); display: block; color: var(--accent); }

.value-title { font-size: 1.2rem; margin-bottom: 0.5rem; }

.value-text { font-size: 0.95rem; color: var(--text-muted); }

/* =========================================
   LICENSE SECTION
   ========================================= */
#license {
    padding-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.license-container {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    max-height: 400px;
    overflow-y: auto;
}

#licenseText {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: pre-wrap;
    word-break: break-all;
}

/* =========================================
   MODAL
   ========================================= */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
}

.modal-overlay.active { opacity: 1; visibility: visible; }

.modal-content {
    background: var(--card-bg);
    border-radius: 24px;
    max-width: 600px;
    width: 90%;
    padding: var(--spacing-md);
    position: relative;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent-soft);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    color: var(--accent);
    cursor: pointer;
}

.modal-header { display: flex; align-items: center; gap: 20px; margin-bottom: 20px; }

#modalImage { width: 80px; height: 80px; border-radius: 50%; border: 3px solid var(--border-color); }

.modal-socials { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }

.social-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

/* =========================================
   FOOTER
   ========================================= */
footer { padding: var(--spacing-lg) 0; text-align: center; border-top: 1px solid var(--border-color); }

.github-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: var(--text-main);
    color: var(--bg-color);
    border-radius: 60px;
    font-weight: 700;
    text-transform: uppercase;
    transition: var(--transition);
}

.github-link:hover { transform: translateY(-2px); opacity: 0.9; }

.copyright { color: var(--text-muted); font-size: 0.85rem; margin-top: var(--spacing-lg); }

/* =========================================
   404 ERROR PAGE
   ========================================= */
.error-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.error-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-sm);
}

.error-code {
    font-family: var(--font-display);
    font-size: clamp(6rem, 20vw, 12rem);
    font-weight: 800;
    line-height: 1;
    color: var(--accent);
    margin-bottom: var(--spacing-xs);
    opacity: 0.8;
    letter-spacing: -5px;
}

.error-content h1 {
    font-size: clamp(2rem, 5vw, 4rem);
    margin-bottom: var(--spacing-sm);
}

.error-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto var(--spacing-md);
    line-height: 1.6;
}

.error-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* =========================================
   ANIMATIONS
   ========================================= */
.fade-in-section { opacity: 0; transform: translateY(30px); transition: 0.8s ease-out; }
.fade-in-section.is-visible { opacity: 1; transform: translateY(0); }

.slide-in-right { opacity: 0; transform: translateX(50px); transition: 0.8s ease-out; }
.slide-in-right.is-visible { opacity: 1; transform: translateX(0); }

@media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; text-align: center; }
    .hero-actions { justify-content: center; }
    .hero-visual { display: none; }
    .project-grid, .team .project-grid { grid-template-columns: 1fr; }
    .manifesto-grid { grid-template-columns: 1fr; }
    .cp-card { grid-template-columns: 1fr; }
    .nav-links { display: none; }
}