/* ============================================================
   TEYVAT EXPLORATION GUILD — Design System & Styles
   Immersive 2D-3D Hybrid Genshin Impact Theme
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
    /* Core palette */
    --bg-void: #050816;
    --bg-deep: #0a0e27;
    --bg-mid: #111640;
    --bg-card: #151b4a;
    --bg-card-hover: #1c2460;
    --bg-glass: rgba(15, 20, 60, 0.65);
    --bg-glass-hover: rgba(20, 28, 80, 0.75);

    /* Accent colors */
    --gold: #d4a843;
    --gold-bright: #f0c95c;
    --gold-dim: #a07c30;
    --amber: #e8b94a;
    --teal: #00d4aa;
    --teal-dim: #00a888;
    --cyan: #4fd1c5;

    /* Elemental colors */
    --anemo: #74c2a8;
    --geo: #f0b232;
    --electro: #b48de8;
    --dendro: #a5c83b;
    --hydro: #4cc2f1;
    --pyro: #ef7938;
    --cryo: #9fd6e3;

    /* Text */
    --text-primary: #e8e6f0;
    --text-secondary: rgba(232, 230, 240, 0.7);
    --text-muted: rgba(232, 230, 240, 0.45);
    --text-gold: #f0c95c;

    /* Fonts */
    --font-display: 'Cinzel', 'Times New Roman', serif;
    --font-body: 'Outfit', 'Segoe UI', sans-serif;

    /* Sizing */
    --container-max: 1280px;
    --section-padding: 120px;
    --border-radius: 16px;
    --border-radius-sm: 10px;
    --border-radius-xs: 6px;

    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --transition-fast: 0.2s var(--ease-out-quart);
    --transition-mid: 0.4s var(--ease-out-expo);
    --transition-slow: 0.7s var(--ease-out-expo);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--bg-void);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    cursor: default;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--gold-dim), var(--gold));
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--gold-bright);
}

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

ul, ol {
    list-style: none;
}

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

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Preloader ---------- */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--bg-void);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-symbol {
    width: 80px;
    height: 80px;
    position: relative;
}

.preloader-symbol svg {
    width: 100%;
    height: 100%;
    animation: preloaderSpin 2s linear infinite;
}

.preloader-symbol .star-path {
    fill: none;
    stroke: var(--gold);
    stroke-width: 1.5;
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: preloaderDraw 1.8s ease-in-out infinite;
}

.preloader-text {
    margin-top: 24px;
    font-family: var(--font-display);
    font-size: 14px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gold);
    opacity: 0.7;
    animation: preloaderPulse 1.5s ease-in-out infinite;
}

@keyframes preloaderSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes preloaderDraw {
    0% { stroke-dashoffset: 200; }
    50% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -200; }
}

@keyframes preloaderPulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

/* ---------- Custom Cursor ---------- */
.cursor-dot {
    position: fixed;
    top: 0;
    left: 0;
    width: 8px;
    height: 8px;
    background: var(--gold);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, background 0.2s;
    mix-blend-mode: screen;
}

.cursor-ring {
    position: fixed;
    top: 0;
    left: 0;
    width: 36px;
    height: 36px;
    border: 1.5px solid rgba(212, 168, 67, 0.4);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: width 0.3s var(--ease-out-expo), height 0.3s var(--ease-out-expo),
                border-color 0.3s, background 0.3s;
}

.cursor-dot.hovering {
    width: 12px;
    height: 12px;
    background: var(--teal);
}

.cursor-ring.hovering {
    width: 50px;
    height: 50px;
    border-color: rgba(0, 212, 170, 0.3);
    background: rgba(0, 212, 170, 0.05);
}

/* Hide custom cursor on touch devices */
@media (hover: none) and (pointer: coarse) {
    .cursor-dot, .cursor-ring { display: none; }
}

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

/* ---------- Navbar ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: background var(--transition-mid), padding var(--transition-mid),
                box-shadow var(--transition-mid);
}

.navbar.scrolled {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(212, 168, 67, 0.08);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--gold), var(--amber));
    border-radius: 10px;
    font-size: 18px;
    color: var(--bg-void);
    font-weight: 800;
    transition: transform var(--transition-mid), box-shadow var(--transition-mid);
}

.nav-logo:hover .logo-icon {
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 0 20px rgba(212, 168, 67, 0.4);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--border-radius-xs);
    transition: color var(--transition-fast), background var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gold);
    border-radius: 1px;
    transition: width var(--transition-mid), left var(--transition-mid);
}

.nav-link:hover::after {
    width: calc(100% - 32px);
    left: 16px;
}

.nav-cta {
    background: linear-gradient(135deg, var(--gold), var(--amber));
    color: var(--bg-void) !important;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    margin-left: 8px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-cta:hover {
    background: linear-gradient(135deg, var(--gold-bright), var(--amber)) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(212, 168, 67, 0.3);
}

.nav-cta::after {
    display: none;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform var(--transition-mid), opacity var(--transition-fast);
}

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

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

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

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-mid);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--gold), var(--amber));
    color: var(--bg-void);
    box-shadow: 0 4px 20px rgba(212, 168, 67, 0.25);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(212, 168, 67, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.btn-discord {
    background: #5865F2;
    color: #fff;
    box-shadow: 0 4px 20px rgba(88, 101, 242, 0.3);
}

.btn-discord:hover {
    background: #6873f5;
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(88, 101, 242, 0.45);
}

.btn-instagram {
    background: linear-gradient(135deg, #833AB4, #FD1D1D, #F77737);
    color: #fff;
    box-shadow: 0 4px 20px rgba(131, 58, 180, 0.3);
}

.btn-instagram:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(131, 58, 180, 0.45);
}

.btn-commission {
    background: linear-gradient(135deg, var(--teal), #00b89c);
    color: var(--bg-void);
    box-shadow: 0 4px 20px rgba(0, 212, 170, 0.25);
}

.btn-commission:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(0, 212, 170, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--gold);
    border: 1.5px solid var(--gold);
}

.btn-outline:hover {
    background: rgba(212, 168, 67, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(212, 168, 67, 0.15);
}

.btn svg {
    transition: transform var(--transition-fast);
}

.btn:hover svg {
    transform: translateX(3px);
}

/* ---------- Section Common ---------- */
.section {
    position: relative;
    padding: var(--section-padding) 0;
    z-index: 1;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 72px;
}

.section-tag {
    display: inline-block;
    padding: 6px 20px;
    background: rgba(212, 168, 67, 0.1);
    border: 1px solid rgba(212, 168, 67, 0.2);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.section-desc {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Section dividers */
.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-dim), transparent);
    opacity: 0.3;
}

/* ---------- Hero Section ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0;
    z-index: 1;
}

.hero::before {
    content: '';
    display: none;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
}

.hero-bg-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 40%, rgba(212, 168, 67, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 80% at 20% 80%, rgba(0, 212, 170, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse 60% 80% at 80% 20%, rgba(180, 141, 232, 0.05) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-void) 0%, var(--bg-deep) 50%, var(--bg-void) 100%);
    z-index: 1;
}

/* Floating elemental orbs in hero */
.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    animation: heroOrbFloat 8s ease-in-out infinite;
}

.hero-orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 168, 67, 0.15), transparent 70%);
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.hero-orb-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.12), transparent 70%);
    bottom: 20%;
    left: 5%;
    animation-delay: -3s;
}

.hero-orb-3 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(180, 141, 232, 0.1), transparent 70%);
    top: 60%;
    right: 30%;
    animation-delay: -5s;
}

@keyframes heroOrbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -20px) scale(1.05); }
    50% { transform: translate(-20px, 30px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 24px;
    background: rgba(212, 168, 67, 0.08);
    border: 1px solid rgba(212, 168, 67, 0.15);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--gold);
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(20px);
    animation: heroReveal 0.8s var(--ease-out-expo) 0.5s forwards;
}

.badge-star {
    font-size: 10px;
    animation: starPulse 2s ease-in-out infinite;
}

@keyframes starPulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.3); }
}

.hero-title {
    font-family: var(--font-display);
    margin-bottom: 28px;
    opacity: 0;
    transform: translateY(30px);
    animation: heroReveal 1s var(--ease-out-expo) 0.7s forwards;
}

.title-line {
    display: block;
    font-size: clamp(16px, 2vw, 20px);
    font-weight: 400;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.title-main {
    display: block;
    font-size: clamp(36px, 6vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--gold-bright) 40%, var(--gold) 60%, var(--text-primary) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: heroReveal 1s var(--ease-out-expo) 0.7s forwards, shimmer 6s linear infinite;
}

@keyframes shimmer {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.hero-subtitle {
    font-size: clamp(15px, 1.8vw, 18px);
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 40px;
    line-height: 1.8;
    opacity: 0;
    transform: translateY(30px);
    animation: heroReveal 1s var(--ease-out-expo) 0.9s forwards;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 56px;
    opacity: 0;
    transform: translateY(30px);
    animation: heroReveal 1s var(--ease-out-expo) 1.1s forwards;
}

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

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    opacity: 0;
    transform: translateY(30px);
    animation: heroReveal 1s var(--ease-out-expo) 1.3s forwards;
}

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

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    color: var(--gold-bright);
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--gold);
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, transparent, var(--gold-dim), transparent);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0;
    animation: heroReveal 1s var(--ease-out-expo) 1.8s forwards;
}

.scroll-arrow {
    width: 20px;
    height: 32px;
    border: 1.5px solid rgba(232, 230, 240, 0.2);
    border-radius: 12px;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 8px;
    background: var(--gold);
    border-radius: 2px;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { top: 6px; opacity: 1; }
    50% { top: 16px; opacity: 0.3; }
}

/* ---------- Floating Elements ---------- */
.floating-elements {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.float-icon {
    position: absolute;
    font-size: 24px;
    opacity: 0.15;
    animation: floatGentle 10s ease-in-out infinite;
}

.float-icon:nth-child(1) { top: 15%; left: 10%; animation-delay: 0s; animation-duration: 12s; }
.float-icon:nth-child(2) { top: 25%; right: 15%; animation-delay: -2s; animation-duration: 14s; }
.float-icon:nth-child(3) { bottom: 30%; left: 20%; animation-delay: -4s; animation-duration: 11s; }
.float-icon:nth-child(4) { top: 40%; right: 8%; animation-delay: -6s; animation-duration: 13s; }
.float-icon:nth-child(5) { bottom: 15%; right: 25%; animation-delay: -1s; animation-duration: 15s; }
.float-icon:nth-child(6) { top: 60%; left: 8%; animation-delay: -3s; animation-duration: 10s; }

@keyframes floatGentle {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(15px, -25px) rotate(5deg); }
    50% { transform: translate(-10px, 15px) rotate(-3deg); }
    75% { transform: translate(20px, 10px) rotate(4deg); }
}

/* ---------- About Section ---------- */
.about {
    background: linear-gradient(180deg, var(--bg-void) 0%, var(--bg-deep) 50%, var(--bg-void) 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.about-card {
    position: relative;
    padding: 40px 28px;
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform var(--transition-mid), box-shadow var(--transition-mid),
                border-color var(--transition-mid);
    transform-style: preserve-3d;
    perspective: 800px;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(212, 168, 67, 0.05), transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-mid);
}

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

.about-card:hover {
    border-color: rgba(212, 168, 67, 0.15);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 30px rgba(212, 168, 67, 0.05);
}

.about-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(212, 168, 67, 0.15), rgba(212, 168, 67, 0.05));
    border: 1px solid rgba(212, 168, 67, 0.15);
    border-radius: 16px;
    margin-bottom: 20px;
    color: var(--gold);
    transition: transform var(--transition-mid), box-shadow var(--transition-mid);
}

.about-card:hover .about-card-icon {
    transform: translateZ(30px) rotateY(10deg);
    box-shadow: 0 8px 24px rgba(212, 168, 67, 0.2);
}

.about-card h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.about-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ---------- Services Section ---------- */
.services {
    background: linear-gradient(180deg, var(--bg-void) 0%, var(--bg-mid) 50%, var(--bg-void) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

/* 3D Flip Card */
.service-card-container {
    perspective: 1200px;
    height: 380px;
}

.service-card {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s var(--ease-out-expo);
    transform-style: preserve-3d;
    cursor: pointer;
}

.service-card-container:hover .service-card {
    transform: rotateY(180deg);
}

.service-front,
.service-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border-radius: var(--border-radius);
    padding: 36px 28px;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(255, 255, 255, 0.06);
    overflow: hidden;
}

.service-front {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
}

.service-front::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--teal), var(--electro));
    opacity: 0;
    transition: opacity var(--transition-mid);
}

.service-card-container:hover .service-front::before {
    opacity: 1;
}

.service-back {
    background: linear-gradient(135deg, var(--bg-card), var(--bg-mid));
    border-color: rgba(212, 168, 67, 0.15);
    transform: rotateY(180deg);
    justify-content: center;
    align-items: center;
    text-align: center;
}

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.12), rgba(0, 212, 170, 0.03));
    border: 1px solid rgba(0, 212, 170, 0.15);
    border-radius: 20px;
    margin-bottom: 24px;
    color: var(--teal);
    transition: transform var(--transition-mid);
}

.service-front h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-front p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    flex: 1;
}

.service-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 14px;
    background: linear-gradient(135deg, var(--gold), var(--amber));
    color: var(--bg-void);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 100px;
}

.service-back h4 {
    font-family: var(--font-display);
    font-size: 18px;
    margin-bottom: 16px;
    color: var(--gold-bright);
}

.service-features {
    list-style: none;
    text-align: left;
    width: 100%;
}

.service-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.service-features li:last-child {
    border-bottom: none;
}

.service-features li .feat-icon {
    color: var(--teal);
    font-size: 12px;
    flex-shrink: 0;
}

.service-back .btn {
    margin-top: 20px;
}

/* Featured service card glow */
.service-card-container.featured .service-front {
    border-color: rgba(212, 168, 67, 0.12);
}

.service-card-container.featured::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, rgba(212, 168, 67, 0.1), transparent, rgba(0, 212, 170, 0.1));
    z-index: -1;
    filter: blur(20px);
    opacity: 0.5;
}

/* ---------- Region Explorer ---------- */
.regions {
    background: linear-gradient(180deg, var(--bg-void) 0%, var(--bg-deep) 50%, var(--bg-void) 100%);
    overflow: hidden;
}

.region-explorer {
    position: relative;
}

.region-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.region-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-mid);
    cursor: pointer;
}

.region-tab:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.region-tab.active {
    background: rgba(212, 168, 67, 0.1);
    border-color: var(--gold);
    color: var(--gold);
    box-shadow: 0 4px 20px rgba(212, 168, 67, 0.15);
}

.region-element {
    font-size: 18px;
}

/* Region content panel */
.region-panel {
    position: relative;
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius);
    padding: 48px;
    overflow: hidden;
    transition: border-color var(--transition-slow);
}

.region-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    transition: background var(--transition-slow);
}

/* Element-themed borders */
.region-panel[data-active="mondstadt"]::before { background: linear-gradient(90deg, transparent, var(--anemo), transparent); }
.region-panel[data-active="liyue"]::before { background: linear-gradient(90deg, transparent, var(--geo), transparent); }
.region-panel[data-active="inazuma"]::before { background: linear-gradient(90deg, transparent, var(--electro), transparent); }
.region-panel[data-active="sumeru"]::before { background: linear-gradient(90deg, transparent, var(--dendro), transparent); }
.region-panel[data-active="fontaine"]::before { background: linear-gradient(90deg, transparent, var(--hydro), transparent); }
.region-panel[data-active="natlan"]::before { background: linear-gradient(90deg, transparent, var(--pyro), transparent); }

.region-info {
    display: none;
    animation: regionFadeIn 0.5s var(--ease-out-expo);
}

.region-info.active {
    display: block;
}

@keyframes regionFadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.region-info-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.region-info-header h3 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
}

.region-difficulty {
    font-size: 14px;
    color: var(--gold);
    letter-spacing: 1px;
}

.region-info > p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.8;
}

.region-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.region-stat {
    text-align: center;
    padding: 20px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--border-radius-sm);
    transition: transform var(--transition-mid), border-color var(--transition-mid);
}

.region-stat:hover {
    transform: translateY(-4px);
    border-color: rgba(212, 168, 67, 0.15);
}

.region-stat .rs-num {
    display: block;
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--gold-bright);
    margin-bottom: 4px;
}

.region-stat .rs-label {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ---------- Commission Process ---------- */
.commissions {
    background: linear-gradient(180deg, var(--bg-void) 0%, var(--bg-mid) 50%, var(--bg-void) 100%);
}

.timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    padding-left: 60px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--gold), var(--teal), var(--gold));
    opacity: 0.3;
}

.timeline-progress {
    position: absolute;
    left: 24px;
    top: 0;
    width: 2px;
    height: 0;
    background: linear-gradient(180deg, var(--gold), var(--teal));
    transition: height 0.1s linear;
    z-index: 1;
}

.timeline-step {
    position: relative;
    padding: 0 0 48px 0;
}

.timeline-step:last-child {
    padding-bottom: 0;
}

.step-number {
    position: absolute;
    left: -60px;
    top: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 2px solid rgba(212, 168, 67, 0.3);
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    color: var(--gold);
    z-index: 2;
    transition: all var(--transition-mid);
}

.timeline-step.active .step-number {
    background: linear-gradient(135deg, var(--gold), var(--amber));
    color: var(--bg-void);
    border-color: var(--gold);
    box-shadow: 0 0 20px rgba(212, 168, 67, 0.3);
    transform: scale(1.1) rotateY(360deg);
}

.step-content {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-sm);
    padding: 28px;
    transition: border-color var(--transition-mid), transform var(--transition-mid);
}

.timeline-step.active .step-content {
    border-color: rgba(212, 168, 67, 0.15);
    transform: translateX(8px);
}

.step-content h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.step-content strong {
    color: var(--teal);
}

/* ---------- Testimonials ---------- */
.testimonials {
    background: linear-gradient(180deg, var(--bg-void) 0%, var(--bg-deep) 50%, var(--bg-void) 100%);
    overflow: hidden;
}

.reviews-carousel {
    position: relative;
    max-width: 100%;
    overflow: hidden;
}

.reviews-track {
    display: flex;
    gap: 24px;
    transition: transform 0.5s var(--ease-out-expo);
    will-change: transform;
}

.review-card {
    flex: 0 0 calc(33.333% - 16px);
    min-width: 300px;
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: transform var(--transition-mid), border-color var(--transition-mid);
    transform-style: preserve-3d;
}

.review-card:hover {
    border-color: rgba(212, 168, 67, 0.15);
    transform: translateY(-8px);
}

.review-stars {
    font-size: 16px;
    color: var(--gold);
    margin-bottom: 16px;
    letter-spacing: 3px;
}

.review-text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--gold), var(--teal));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    color: var(--bg-void);
    flex-shrink: 0;
}

.review-name {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.review-service {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Carousel Controls */
.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
}

.carousel-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.carousel-btn:hover {
    background: rgba(212, 168, 67, 0.15);
    border-color: var(--gold);
    color: var(--gold);
    transform: scale(1.1);
}

.carousel-dots {
    display: flex;
    gap: 8px;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-dot.active {
    background: var(--gold);
    width: 24px;
    border-radius: 4px;
}

/* ---------- FAQ Section ---------- */
.faq-section {
    background: linear-gradient(180deg, var(--bg-void) 0%, var(--bg-mid) 50%, var(--bg-void) 100%);
}

.faq-list {
    max-width: 780px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    transition: border-color var(--transition-mid);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
}

.faq-item:hover,
.faq-item.active {
    border-color: rgba(212, 168, 67, 0.15);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    text-align: left;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--gold);
}

.faq-chevron {
    flex-shrink: 0;
    transition: transform var(--transition-mid);
    color: var(--gold);
}

.faq-item.active .faq-chevron {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease-out-expo), padding 0.4s var(--ease-out-expo);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ---------- Community CTA Section ---------- */
.community {
    background: linear-gradient(180deg, var(--bg-void), var(--bg-deep));
    text-align: center;
    position: relative;
    overflow: hidden;
}

.community-bg-orbs {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.community-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}

.community-orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(88, 101, 242, 0.1), transparent);
    top: -20%;
    left: -10%;
    animation: heroOrbFloat 10s ease-in-out infinite;
}

.community-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 168, 67, 0.08), transparent);
    bottom: -20%;
    right: -10%;
    animation: heroOrbFloat 12s ease-in-out infinite reverse;
}

.community-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.community-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary), var(--gold-bright));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.community-desc {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.community-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.community-features {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.cf-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.cf-icon {
    font-size: 20px;
}

/* ---------- Footer ---------- */
.footer {
    position: relative;
    z-index: 1;
    background: var(--bg-deep);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .footer-logo {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--gold);
    display: block;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.footer-disclaimer {
    font-size: 12px !important;
    color: var(--text-muted) !important;
    font-style: italic;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-xs);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: rgba(212, 168, 67, 0.1);
    border-color: var(--gold);
    color: var(--gold);
    transform: translateY(-3px);
}

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    padding: 6px 0;
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-links a:hover {
    color: var(--gold);
    padding-left: 8px;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
}

/* ---------- Scroll Reveal Animation ---------- */
[data-reveal] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

[data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal-delay="2"] { transition-delay: 0.2s; }
[data-reveal-delay="3"] { transition-delay: 0.3s; }
[data-reveal-delay="4"] { transition-delay: 0.4s; }
[data-reveal-delay="5"] { transition-delay: 0.5s; }
[data-reveal-delay="6"] { transition-delay: 0.6s; }

/* ---------- Responsive Design ---------- */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    .review-card {
        flex: 0 0 calc(50% - 12px);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 64px;
    }

    /* Mobile Nav */
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(320px, 85vw);
        height: 100vh;
        flex-direction: column;
        background: var(--bg-deep);
        border-left: 1px solid rgba(255, 255, 255, 0.06);
        padding: 80px 32px 32px;
        gap: 4px;
        transition: right var(--transition-mid);
        z-index: 999;
        overflow-y: auto;
    }

    .nav-links.open {
        right: 0;
    }

    .nav-link {
        width: 100%;
        padding: 12px 16px;
        font-size: 16px;
    }

    .nav-cta {
        margin-left: 0;
        margin-top: 12px;
        text-align: center;
        justify-content: center;
    }

    /* Mobile overlay */
    .nav-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 998;
    }

    .nav-overlay.open {
        display: block;
    }

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

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

    .service-card-container {
        height: auto;
    }

    .service-card {
        transform: none !important;
    }

    .service-front {
        position: relative;
        backface-visibility: visible;
    }

    .service-back {
        position: relative;
        backface-visibility: visible;
        transform: none;
        margin-top: -1px;
        display: none;
    }

    .hero-stats {
        gap: 20px;
    }

    .stat-number {
        font-size: 28px;
    }

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

    .region-panel {
        padding: 28px;
    }

    .timeline {
        padding-left: 48px;
    }

    .step-number {
        left: -48px;
        width: 40px;
        height: 40px;
        font-size: 14px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .review-card {
        flex: 0 0 calc(100% - 48px);
        min-width: unset;
    }

    .community-actions {
        flex-direction: column;
    }

    .community-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title .title-main {
        font-size: 32px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .region-tabs {
        gap: 6px;
    }

    .region-tab {
        padding: 10px 14px;
        font-size: 12px;
    }

    .community-features {
        flex-direction: column;
        align-items: center;
    }
}