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

:root {
    --bg: #0a0a0b;
    --bg-elevated: #111113;
    --bg-card: #141416;
    --bg-card-hover: #1a1a1d;
    --gold: #c9a84c;
    --gold-light: #ddc06a;
    --gold-dim: #8a7433;
    --text-primary: #e8e8ea;
    --text-secondary: #8a8a8e;
    --text-muted: #555558;
    --border: rgba(201, 168, 76, 0.12);
    --border-subtle: rgba(255, 255, 255, 0.06);
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

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

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }


/* ===== NAVIGATION ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0 48px;
    height: 72px;
    display: flex;
    align-items: center;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

.nav__inner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav__logo-img {
    height: 28px;
    opacity: 0.9;
}

.nav__brand-text {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    letter-spacing: 0.02em;
}

.nav__lang {
    display: flex;
    align-items: center;
    gap: 6px;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.05em;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    color: var(--text-secondary);
}

.lang-btn.active {
    color: var(--gold);
    background: rgba(201, 168, 76, 0.08);
}

.lang-sep {
    color: var(--text-muted);
    font-size: 13px;
    opacity: 0.4;
}

/* ===== BUTTON ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: transparent;
    border: 1px solid var(--gold);
    color: var(--gold);
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.03em;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gold);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.btn:hover {
    color: var(--bg);
    border-color: var(--gold-light);
}

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

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

.btn:hover svg {
    stroke: var(--bg);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 48px 80px;
    position: relative;
    overflow: hidden;
}

.hero__inner {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 80px;
    align-items: center;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gold-dim);
    margin-bottom: 32px;
}

.hero__badge-dot {
    width: 6px;
    height: 6px;
    background: var(--gold);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(201, 168, 76, 0.4); }
    50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(201, 168, 76, 0); }
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(48px, 6vw, 80px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: #fff;
    margin-bottom: 28px;
}

.gold { color: var(--gold); }

.hero__subtitle {
    font-size: 18px;
    font-weight: 300;
    line-height: 1.65;
    color: var(--text-primary);
    max-width: 520px;
    margin-bottom: 16px;
}

.hero__desc {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 480px;
}

.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__logo-wrap {
    position: relative;
    width: 320px;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero__logo {
    width: 280px;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 0 40px rgba(201, 168, 76, 0.15));
}

.hero__glow {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(201, 168, 76, 0.08) 0%, transparent 70%);
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.7; }
}

.hero__grid-lines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(201, 168, 76, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201, 168, 76, 0.03) 1px, transparent 1px);
    background-size: 80px 80px;
    pointer-events: none;
    mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 70%);
}

/* ===== DIVIDER ===== */
.divider {
    padding: 0 48px;
    max-width: 1200px;
    margin: 0 auto;
}

.divider__line {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), var(--gold-dim), var(--border), transparent);
    opacity: 0.5;
}

/* ===== SECTION COMMON ===== */
.section-label {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold-dim);
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 600;
    color: #fff;
    letter-spacing: -0.01em;
    line-height: 1.2;
    margin-bottom: 32px;
}

/* ===== ABOUT ===== */
.about {
    padding: 100px 48px;
}

.about__inner {
    max-width: 1200px;
    margin: 0 auto;
}

.about__text {
    max-width: 680px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 64px;
}

.about__text p {
    font-size: 17px;
    font-weight: 300;
    line-height: 1.7;
    color: var(--text-secondary);
}

.about__stages {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 24px 32px;
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    background: var(--bg-card);
    transition: all 0.4s ease;
    min-width: 140px;
}

.stage:hover {
    border-color: var(--border);
    background: var(--bg-card-hover);
}

.stage__num {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 600;
    color: var(--gold);
    line-height: 1;
}

.stage__label {
    font-size: 13px;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
    text-align: center;
}

.stage__arrow {
    color: var(--text-muted);
    opacity: 0.4;
    flex-shrink: 0;
}

/* ===== FEATURES ===== */
.features {
    padding: 100px 48px;
}

.features__inner {
    max-width: 1200px;
    margin: 0 auto;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--border-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    overflow: hidden;
}

.feature-card {
    padding: 48px 40px;
    background: var(--bg-card);
    position: relative;
    transition: background 0.4s ease;
}

.feature-card:hover {
    background: var(--bg-card-hover);
}

.feature-card__number {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 500;
    color: var(--gold-dim);
    margin-bottom: 20px;
    letter-spacing: 0.05em;
}

.feature-card__title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 500;
    color: #fff;
    margin-bottom: 12px;
    line-height: 1.3;
}

.feature-card__text {
    font-size: 15px;
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.6;
}

.feature-card__line {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), var(--gold-dim));
    transition: width 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.feature-card:hover .feature-card__line {
    width: 100%;
}

/* ===== AUDIENCE ===== */
.audience {
    padding: 80px 48px;
}

.audience__inner {
    max-width: 1200px;
    margin: 0 auto;
}

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

.audience__text {
    font-family: var(--font-heading);
    font-size: clamp(22px, 2.5vw, 32px);
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1.5;
    letter-spacing: -0.01em;
}

/* ===== CTA ===== */
.cta {
    padding: 120px 48px;
    position: relative;
    overflow: hidden;
}

.cta__inner {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta__title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 500;
    color: #fff;
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin-bottom: 48px;
}

.cta__btn {
    font-size: 16px;
    padding: 16px 40px;
}

.cta__glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(201, 168, 76, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

/* ===== FOOTER ===== */
.footer {
    padding: 32px 48px;
    border-top: 1px solid var(--border-subtle);
}

.footer__inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer__logo {
    height: 24px;
    opacity: 0.5;
}

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

/* ===== REVEAL ANIMATION ===== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
    .hero__inner {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }

    .hero__subtitle, .hero__desc {
        max-width: 100%;
    }

    .hero__badge {
        justify-content: center;
    }

    .hero__btn {
        justify-content: center;
    }

    .hero__logo-wrap {
        width: 240px;
        height: 240px;
    }

    .hero__logo {
        width: 200px;
    }

    .hero__glow {
        width: 300px;
        height: 300px;
    }

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

    .about__stages {
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .nav {
        padding: 0 24px;
    }

    .hero, .about, .features, .audience, .cta {
        padding-left: 24px;
        padding-right: 24px;
    }

    .divider {
        padding: 0 24px;
    }

    .footer {
        padding: 24px;
    }

    .hero__title {
        font-size: 40px;
    }

    .feature-card {
        padding: 32px 24px;
    }

    .stage {
        padding: 16px 20px;
        min-width: 100px;
    }

    .stage__arrow {
        display: none;
    }

    .about__stages {
        gap: 8px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }

    .footer__inner {
        flex-direction: column;
        gap: 12px;
    }
}