/* ============================================
   Yuki Tanaka Portfolio — Tokyo Night Theme
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --neon-pink: #ff2d95;
    --neon-blue: #00d4ff;
    --neon-purple: #b14eff;
    --text-primary: #e8e8e8;
    --text-muted: #6b6b7b;
    --text-dark: #3a3a4a;

    /* Glows */
    --glow-pink: 0 0 20px rgba(255, 45, 149, 0.5);
    --glow-blue: 0 0 20px rgba(0, 212, 255, 0.5);
    --glow-purple: 0 0 20px rgba(177, 78, 255, 0.5);

    /* Typography */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-japanese: 'Noto Sans JP', sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;
    --gap: 30px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: var(--neon-pink);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--neon-blue);
    text-shadow: var(--glow-blue);
}

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

ul, ol {
    list-style: none;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.text-gradient {
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple), var(--neon-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---------- Layout ---------- */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: var(--section-padding);
}

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

.section-header h2 {
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple));
    border-radius: 2px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: 15px;
}

/* ---------- Preloader ---------- */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.preloader-logo {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--neon-pink);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        text-shadow: var(--glow-pink);
    }
    50% {
        opacity: 0.5;
        text-shadow: none;
    }
}

/* ---------- Header ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    padding: 15px 0;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
    border-radius: var(--radius-md);
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-link {
    color: var(--text-muted);
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon-pink);
    transition: var(--transition-normal);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
    box-shadow: var(--glow-pink);
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-normal);
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 80%, rgba(255, 45, 149, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(177, 78, 255, 0.05) 0%, transparent 70%);
    z-index: 0;
}

.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--neon-blue);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 5rem;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.hero-title .glitch {
    position: relative;
}

.hero-title .glitch::before,
.hero-title .glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
}

.hero-title:hover .glitch::before {
    animation: glitch-1 0.3s infinite;
    color: var(--neon-pink);
    z-index: -1;
    opacity: 0.8;
}

.hero-title:hover .glitch::after {
    animation: glitch-2 0.3s infinite;
    color: var(--neon-blue);
    z-index: -2;
    opacity: 0.8;
}

@keyframes glitch-1 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-3px, 3px); }
    40% { transform: translate(-3px, -3px); }
    60% { transform: translate(3px, 3px); }
    80% { transform: translate(3px, -3px); }
}

@keyframes glitch-2 {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(3px, -3px); }
    40% { transform: translate(3px, 3px); }
    60% { transform: translate(-3px, -3px); }
    80% { transform: translate(-3px, 3px); }
}

.hero-description {
    font-size: 1.3rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.9rem;
    animation: bounce 2s infinite;
}

.hero-scroll-icon {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.hero-scroll-icon::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--neon-pink);
    border-radius: 2px;
    animation: scroll-dot 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes scroll-dot {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

/* ---------- Skills Section ---------- */
.skills {
    background: var(--bg-secondary);
}

.skills-wrapper {
    display: flex;
    gap: var(--gap);
    overflow-x: auto;
    padding: 20px 0;
    scrollbar-width: thin;
    scrollbar-color: var(--neon-pink) var(--bg-primary);
}

.skills-wrapper::-webkit-scrollbar {
    height: 6px;
}

.skills-wrapper::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: 3px;
}

.skills-wrapper::-webkit-scrollbar-thumb {
    background: var(--neon-pink);
    border-radius: 3px;
}

.skill-category {
    flex: 0 0 280px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.skill-category:hover {
    border-color: var(--neon-pink);
    box-shadow: var(--glow-pink);
    transform: translateY(-5px);
}

.skill-category h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--neon-blue);
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.skill-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
}

.skill-info {
    flex: 1;
}

.skill-name {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.skill-bar {
    height: 4px;
    background: var(--bg-primary);
    border-radius: 2px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple));
    border-radius: 2px;
    transition: width 1s ease;
}

/* ---------- Projects Grid ---------- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
}

.project-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--neon-purple);
    box-shadow: var(--glow-purple);
}

.project-image {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition-normal);
}

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

.project-overlay-btn {
    padding: 12px 24px;
    background: transparent;
    border: 2px solid var(--neon-pink);
    color: var(--neon-pink);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.project-overlay-btn:hover {
    background: var(--neon-pink);
    color: var(--bg-primary);
    box-shadow: var(--glow-pink);
}

.project-content {
    padding: 25px;
}

.project-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.project-description {
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tag {
    padding: 4px 12px;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ---------- Blog Cards ---------- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap);
}

.blog-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.blog-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-blue);
    box-shadow: var(--glow-blue);
}

.blog-card-header {
    height: 150px;
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple), var(--neon-blue));
    position: relative;
    overflow: hidden;
}

.blog-card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" stroke="white" stroke-width="0.5" fill="none" opacity="0.1"/></svg>');
    background-size: 60px;
    opacity: 0.3;
}

.blog-card-content {
    padding: 25px;
}

.blog-date {
    font-size: 0.85rem;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.blog-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
    transition: var(--transition-fast);
}

.blog-card:hover .blog-title {
    color: var(--neon-blue);
}

.blog-excerpt {
    font-size: 0.95rem;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-tags {
    display: flex;
    gap: 8px;
}

.blog-tag {
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border-radius: 15px;
    font-size: 0.75rem;
    color: var(--neon-purple);
}

/* ---------- Section Link ---------- */
.section-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--neon-pink);
}

.section-link:hover {
    gap: 15px;
}

.section-link svg {
    transition: var(--transition-fast);
}

/* ---------- Footer ---------- */
.footer {
    background: var(--bg-secondary);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple), var(--neon-blue));
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    max-width: 300px;
    margin-top: 15px;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--neon-pink);
    color: var(--bg-primary);
    box-shadow: var(--glow-pink);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
    color: var(--text-dark);
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    color: var(--text-dark);
}

/* ---------- Page Hero (Inner Pages) ---------- */
.page-hero {
    padding: 180px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 30% 50%, rgba(255, 45, 149, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    font-size: 4rem;
    margin-bottom: 15px;
}

/* ---------- Filters ---------- */
.filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    background: transparent;
    border: 1px solid var(--text-dark);
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.95rem;
    cursor: pointer;
    border-radius: 25px;
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--neon-pink);
    color: var(--neon-pink);
    box-shadow: var(--glow-pink);
}

/* ---------- Modal ---------- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

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

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(50px);
    transition: var(--transition-normal);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background: var(--neon-pink);
    color: var(--bg-primary);
}

.modal-image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.modal-body {
    padding: 30px;
}

/* ---------- About Page ---------- */
.about-intro {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
    align-items: start;
}

.about-avatar {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
    padding: 4px;
}

.about-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: calc(var(--radius-lg) - 4px);
}

.about-bio h2 {
    margin-bottom: 20px;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--neon-pink);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--gap);
}

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

.philosophy-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.philosophy-card:hover {
    border-color: var(--neon-blue);
    box-shadow: var(--glow-blue);
}

.philosophy-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--neon-blue);
}

/* ---------- Contact Page ---------- */
.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: 1.1rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--neon-pink);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-link {
    width: 60px;
    height: 60px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-muted);
    transition: var(--transition-normal);
}

.social-link:hover {
    background: var(--neon-pink);
    color: var(--bg-primary);
    box-shadow: var(--glow-pink);
    transform: translateY(-5px);
}

/* ---------- Legal Pages ---------- */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h2 {
    font-size: 1.5rem;
    margin-top: 40px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.legal-content p,
.legal-content li {
    color: var(--text-muted);
    line-height: 1.8;
}

.legal-content ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

.legal-content li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 15px;
}

.legal-content li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--neon-pink);
}

.legal-updated {
    color: var(--text-dark);
    font-size: 0.9rem;
    margin-bottom: 30px;
}

/* ---------- Blog Article ---------- */
.article-full {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 0;
}

.article-full h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.article-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.9;
}

.article-content p {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

/* ---------- Scroll Animations ---------- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Mobile Navigation ---------- */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100%;
    background: var(--bg-secondary);
    z-index: 1001;
    padding: 80px 30px 30px;
    transition: var(--transition-normal);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu .nav-menu {
    flex-direction: column;
    gap: 20px;
}

.mobile-menu .nav-link {
    font-size: 1.2rem;
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.8);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

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

/* ---------- Responsive ---------- */
@media (max-width: 1199px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

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

    .philosophy-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 991px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }

    .hero-title {
        font-size: 3.5rem;
    }

    .page-hero h1 {
        font-size: 3rem;
    }

    .about-intro {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-avatar {
        max-width: 250px;
        margin: 0 auto;
    }

    .about-stats {
        justify-content: center;
    }
}

@media (max-width: 767px) {
    :root {
        --section-padding: 60px 0;
    }

    .nav-menu {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .page-hero h1 {
        font-size: 2.5rem;
    }

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .filters {
        gap: 10px;
    }

    .filter-btn {
        padding: 8px 18px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .about-stats {
        flex-direction: column;
        gap: 20px;
    }

    .contact-item {
        flex-direction: column;
        gap: 10px;
    }
}

/* ============================================
   Coming Soon Placeholder Animation
   ============================================ */
.coming-soon-placeholder {
    width: 100%;
    height: 100%;
    min-height: 200px;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border-radius: inherit;
}

/* Animated gradient background */
.coming-soon-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(
        from 0deg,
        transparent 0deg,
        var(--neon-pink) 60deg,
        var(--neon-purple) 120deg,
        var(--neon-blue) 180deg,
        transparent 360deg
    );
    animation: rotate-gradient 8s linear infinite;
    opacity: 0.15;
}

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

/* Glowing orbs */
.coming-soon-placeholder::after {
    content: '';
    position: absolute;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, var(--neon-pink) 0%, transparent 70%);
    animation: float-orb 6s ease-in-out infinite;
    opacity: 0.3;
    filter: blur(30px);
}

@keyframes float-orb {
    0%, 100% {
        transform: translate(-30px, -30px) scale(1);
        opacity: 0.3;
    }
    33% {
        transform: translate(30px, 20px) scale(1.2);
        opacity: 0.5;
    }
    66% {
        transform: translate(-20px, 30px) scale(0.8);
        opacity: 0.2;
    }
}

/* Content container */
.coming-soon-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 20px;
}

/* Icon container with animation */
.coming-soon-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    position: relative;
}

/* Animated rings */
.coming-soon-icon .ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid transparent;
    border-radius: 50%;
    animation: ring-pulse 2s ease-in-out infinite;
}

.coming-soon-icon .ring:nth-child(1) {
    border-top-color: var(--neon-pink);
    animation-delay: 0s;
}

.coming-soon-icon .ring:nth-child(2) {
    border-right-color: var(--neon-purple);
    animation-delay: 0.2s;
    width: 80%;
    height: 80%;
    top: 10%;
    left: 10%;
}

.coming-soon-icon .ring:nth-child(3) {
    border-bottom-color: var(--neon-blue);
    animation-delay: 0.4s;
    width: 60%;
    height: 60%;
    top: 20%;
    left: 20%;
}

@keyframes ring-pulse {
    0%, 100% {
        transform: rotate(0deg) scale(1);
        opacity: 1;
    }
    50% {
        transform: rotate(180deg) scale(1.1);
        opacity: 0.7;
    }
}

/* Center dot */
.coming-soon-icon .center-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-blue));
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: dot-pulse 1.5s ease-in-out infinite;
}

@keyframes dot-pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(255, 45, 149, 0.7);
    }
    50% {
        box-shadow: 0 0 20px 10px rgba(255, 45, 149, 0);
    }
}

/* Text styles */
.coming-soon-text {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 8px;
    position: relative;
}

/* Typewriter effect for "COMING SOON" */
.coming-soon-text span {
    display: inline-block;
    animation: typewriter-letter 3s ease-in-out infinite;
}

.coming-soon-text span:nth-child(1) { animation-delay: 0.1s; }
.coming-soon-text span:nth-child(2) { animation-delay: 0.15s; }
.coming-soon-text span:nth-child(3) { animation-delay: 0.2s; }
.coming-soon-text span:nth-child(4) { animation-delay: 0.25s; }
.coming-soon-text span:nth-child(5) { animation-delay: 0.3s; }
.coming-soon-text span:nth-child(6) { animation-delay: 0.35s; }
.coming-soon-text span:nth-child(7) { animation-delay: 0.4s; }
.coming-soon-text span:nth-child(8) { animation-delay: 0.45s; }
.coming-soon-text span:nth-child(9) { animation-delay: 0.5s; }
.coming-soon-text span:nth-child(10) { animation-delay: 0.55s; }
.coming-soon-text span:nth-child(11) { animation-delay: 0.6s; }

@keyframes typewriter-letter {
    0%, 100% {
        opacity: 1;
        transform: translateY(0);
    }
    50% {
        opacity: 0.5;
        transform: translateY(-2px);
    }
}

/* Subtitle with scanning line effect */
.coming-soon-subtitle {
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.coming-soon-subtitle::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 45, 149, 0.3), transparent);
    animation: scan-line 3s ease-in-out infinite;
}

@keyframes scan-line {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}

/* Loading dots animation */
.coming-soon-dots {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-top: 12px;
}

.coming-soon-dots span {
    width: 6px;
    height: 6px;
    background: var(--neon-pink);
    border-radius: 50%;
    animation: dots-bounce 1.4s ease-in-out infinite;
}

.coming-soon-dots span:nth-child(1) { animation-delay: 0s; }
.coming-soon-dots span:nth-child(2) { animation-delay: 0.2s; }
.coming-soon-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dots-bounce {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
        box-shadow: 0 0 10px var(--neon-pink);
    }
}

/* Matrix-style falling characters (optional variant) */
.coming-soon-matrix {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    opacity: 0.1;
    pointer-events: none;
}

.coming-soon-matrix span {
    position: absolute;
    font-family: var(--font-heading);
    font-size: 12px;
    color: var(--neon-blue);
    animation: matrix-fall linear infinite;
    text-shadow: 0 0 10px var(--neon-blue);
}

@keyframes matrix-fall {
    0% {
        transform: translateY(-100%);
        opacity: 1;
    }
    100% {
        transform: translateY(300%);
        opacity: 0;
    }
}

/* Hexagon pattern background (alternative) */
.coming-soon-hex-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='49' viewBox='0 0 28 49'%3E%3Cg fill-rule='evenodd'%3E%3Cg fill='%23ff2d95' fill-opacity='0.05'%3E%3Cpath d='M13.99 9.25l13 7.5v15l-13 7.5L1 31.75v-15l12.99-7.5zM3 17.9v12.7l10.99 6.34 11-6.35V17.9l-11-6.34L3 17.9zM0 15l12.98-7.5V0h-2v6.35L0 12.69v2.3zm0 18.5L12.98 41v8h-2v-6.85L0 35.81v-2.3zM15 0v7.5L27.99 15H28v-2.31h-.01L17 6.35V0h-2zm0 49v-8l12.99-7.5H28v2.31h-.01L17 42.15V49h-2z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    animation: hex-shift 20s linear infinite;
}

@keyframes hex-shift {
    from { background-position: 0 0; }
    to { background-position: 56px 98px; }
}

/* Hover effects for placeholder */
.coming-soon-placeholder:hover .coming-soon-icon .ring {
    animation-duration: 1s;
}

.coming-soon-placeholder:hover .coming-soon-text {
    text-shadow: 0 0 20px var(--neon-pink);
}

.coming-soon-placeholder:hover::before {
    animation-duration: 4s;
    opacity: 0.25;
}

/* Compact version for smaller spaces */
.coming-soon-placeholder.compact {
    min-height: 150px;
}

.coming-soon-placeholder.compact .coming-soon-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 10px;
}

.coming-soon-placeholder.compact .coming-soon-text {
    font-size: 0.7rem;
    letter-spacing: 2px;
}

.coming-soon-placeholder.compact .coming-soon-subtitle {
    font-size: 0.6rem;
}

/* Avatar placeholder specific */
.coming-soon-avatar {
    border-radius: 12px;
}

.coming-soon-avatar .coming-soon-icon {
    width: 80px;
    height: 80px;
}

.coming-soon-avatar .coming-soon-text {
    font-size: 1rem;
}

/* Glitch effect for Coming Soon */
.coming-soon-text.glitching {
    animation: text-glitch 0.2s ease-in-out;
}

@keyframes text-glitch {
    0%, 100% {
        transform: translate(0);
        filter: hue-rotate(0deg);
    }
    20% {
        transform: translate(-2px, 2px);
        filter: hue-rotate(90deg);
    }
    40% {
        transform: translate(2px, -2px);
        filter: hue-rotate(180deg);
    }
    60% {
        transform: translate(-1px, -1px);
        filter: hue-rotate(270deg);
    }
    80% {
        transform: translate(1px, 1px);
        filter: hue-rotate(360deg);
    }
}

/* Neon glow pulse effect */
@keyframes neon-pulse {
    0%, 100% {
        filter: drop-shadow(0 0 5px var(--neon-pink));
    }
    50% {
        filter: drop-shadow(0 0 20px var(--neon-pink)) drop-shadow(0 0 40px var(--neon-blue));
    }
}

.coming-soon-placeholder:hover .coming-soon-icon {
    animation: neon-pulse 1.5s ease-in-out infinite;
}

/* Particle burst effect on hover */
.coming-soon-placeholder .particle-burst {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0;
}

/* Progress bar hint */
.coming-soon-progress {
    width: 60%;
    max-width: 120px;
    height: 3px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    margin-top: 12px;
    overflow: hidden;
}

.coming-soon-progress-bar {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple), var(--neon-blue));
    border-radius: 2px;
    animation: progress-fill 3s ease-in-out infinite;
}

@keyframes progress-fill {
    0% { width: 0; }
    50% { width: 70%; }
    100% { width: 0; }
}

/* Shimmer effect overlay */
.coming-soon-shimmer {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 45, 149, 0.1),
        rgba(0, 212, 255, 0.1),
        transparent
    );
    animation: shimmer-sweep 4s ease-in-out infinite;
}

@keyframes shimmer-sweep {
    0% { left: -100%; }
    50% { left: 100%; }
    100% { left: 100%; }
}

/* Enhanced responsive for coming soon */
@media (max-width: 767px) {
    .coming-soon-placeholder {
        min-height: 150px;
    }

    .coming-soon-icon {
        width: 45px;
        height: 45px;
    }

    .coming-soon-text {
        font-size: 0.75rem;
        letter-spacing: 2px;
    }

    .coming-soon-subtitle {
        font-size: 0.6rem;
    }
}

/* Accessibility - Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .coming-soon-placeholder::before,
    .coming-soon-placeholder::after,
    .coming-soon-icon .ring,
    .coming-soon-icon .center-dot,
    .coming-soon-dots span,
    .coming-soon-text span,
    .coming-soon-hex-bg,
    .coming-soon-shimmer,
    .coming-soon-progress-bar {
        animation: none;
    }

    .coming-soon-icon .ring {
        border-color: var(--neon-pink);
    }
}