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

:root {
    --gold: #d4a44a;
    --gold-light: #e8c675;
    --gold-dark: #b8860b;
    --bg-dark: #0d0d14;
    --bg-card: #141420;
    --bg-card-hover: #1a1a2e;
    --text: #e8e6e3;
    --text-muted: #9a9a9a;
    --radius: 16px;
    --radius-sm: 10px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(13, 13, 20, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 164, 74, 0.15);
    transition: background 0.3s, backdrop-filter 0.3s;
}

.navbar.scrolled {
    background: rgba(13, 13, 20, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 164, 74, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-img {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
}

.logo-text {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 18px;
    color: var(--gold);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 36px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--gold);
}

/* Language toggle */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(212, 164, 74, 0.1);
    border: 1px solid rgba(212, 164, 74, 0.3);
    color: var(--gold);
    padding: 6px 14px;
    border-radius: 50px;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: background 0.3s, border-color 0.3s;
    margin-left: 24px;
}

.lang-toggle:hover {
    background: rgba(212, 164, 74, 0.2);
    border-color: var(--gold);
}

.lang-flag {
    font-size: 16px;
    line-height: 1;
}

.lang-label {
    line-height: 1;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gold);
    transition: transform 0.3s, opacity 0.3s;
}

/* ===== HERO ===== */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: #0e0b09;
    padding-top: 80px;
    padding-bottom: 40px;
}

.hero-banner {
    width: 100%;
    max-width: 1200px;
    display: block;
}

.hero-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(180deg, transparent 0%, var(--bg-dark) 100%);
    pointer-events: none;
    z-index: 1;
}

.hero-dots {
    display: none;
}

.hero-glow {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 0 24px;
    margin-top: -60px;
}

.hero-badge {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold);
    border: 1px solid rgba(212, 164, 74, 0.4);
    padding: 8px 24px;
    border-radius: 50px;
    margin-bottom: 32px;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
}

.title-boss {
    font-family: 'Playfair Display', serif;
    font-size: clamp(42px, 7vw, 80px);
    font-weight: 900;
    color: var(--gold);
    line-height: 1.1;
}

.title-einstein {
    font-family: 'Playfair Display', serif;
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 400;
    color: var(--text);
    font-style: italic;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto 40px;
}

.hero-cta {
    display: inline-block;
    padding: 16px 40px;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: var(--bg-dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 50px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(212, 164, 74, 0.3);
}

/* ===== SECTIONS ===== */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 16px;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== APPS SECTION ===== */
.apps-section {
    padding: 80px 0;
    background:
        radial-gradient(ellipse at 30% 0%, rgba(212, 164, 74, 0.04) 0%, transparent 50%),
        var(--bg-dark);
}

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

.app-card {
    position: relative;
    border-radius: var(--radius);
    background: var(--bg-card);
    border: 1px solid rgba(212, 164, 74, 0.1);
    transition: transform 0.4s, border-color 0.4s, box-shadow 0.4s;
    overflow: hidden;
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold-dark));
    opacity: 0;
    transition: opacity 0.4s;
}

.app-card:hover {
    transform: translateY(-8px);
    border-color: rgba(212, 164, 74, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(212, 164, 74, 0.06);
}

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

.app-card-inner {
    padding: 40px 32px;
    text-align: center;
}

.app-icon {
    width: 100%;
    max-width: 480px;
    margin: 0 auto 24px;
}

.app-icon img {
    width: 100%;
    object-fit: contain;
}

.app-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: var(--bg-dark);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 4px 14px;
    border-radius: 50px;
}

.app-title {
    font-family: 'Playfair Display', serif;
    font-size: 26px;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 16px;
}

.app-description {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 24px;
}

.app-features {
    list-style: none;
    margin-bottom: 32px;
}

.app-features li {
    font-size: 14px;
    color: var(--text);
    padding: 6px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.app-features li::before {
    content: '✦';
    color: var(--gold);
    font-size: 10px;
    flex-shrink: 0;
}

.app-btn {
    display: inline-block;
    padding: 12px 28px;
    border: 1px solid var(--gold);
    color: var(--gold);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 50px;
    transition: background 0.3s, color 0.3s;
}

.app-btn:hover {
    background: var(--gold);
    color: var(--bg-dark);
}

/* ===== ABOUT SECTION ===== */
.about-section {
    padding: 80px 0;
    background:
        radial-gradient(ellipse at 70% 50%, rgba(212, 164, 74, 0.05) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-dark) 0%, #0f0f1a 100%);
}

.about-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 48px;
    text-align: center;
}

.about-content {
    max-width: 700px;
}

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

.about-stats {
    display: flex;
    gap: 64px;
    margin-top: 40px;
    justify-content: center;
}

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

.stat-number {
    font-family: 'Playfair Display', serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--gold);
}

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

.about-visual {
    display: flex;
    justify-content: center;
}

.about-logo {
    width: 320px;
    height: 320px;
    object-fit: contain;
    border-radius: 50%;
}

/* ===== SECTION DIVIDER ===== */
.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: var(--bg-dark);
}

.section-divider::before,
.section-divider::after {
    content: '';
    flex: 1;
    max-width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212, 164, 74, 0.4), transparent);
}

.divider-diamond {
    color: var(--gold);
    font-size: 14px;
    padding: 0 20px;
    opacity: 0.6;
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    padding: 80px 0;
    background: var(--bg-dark);
    border-top: 1px solid rgba(212, 164, 74, 0.25);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
    padding-top: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon {
    font-size: 28px;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid rgba(212, 164, 74, 0.15);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.contact-item a,
.contact-item span {
    font-size: 15px;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

.contact-item a:hover {
    color: var(--gold);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 20px;
    background: var(--bg-card);
    border: 1px solid rgba(212, 164, 74, 0.15);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    transition: border-color 0.3s;
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%239a9a9a' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-group select option {
    background: var(--bg-card);
    color: var(--text);
}

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

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

.form-btn {
    padding: 16px 40px;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: var(--bg-dark);
    border: none;
    border-radius: 50px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    align-self: flex-start;
}

.form-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(212, 164, 74, 0.3);
}

/* ===== FOOTER ===== */
.footer {
    padding: 48px 0 24px;
    background: #080810;
    border-top: 1px solid rgba(212, 164, 74, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.footer-logo {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.5;
}

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

.footer-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 14px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--gold);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
    opacity: 0.6;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-card);
        flex-direction: column;
        padding: 80px 40px;
        gap: 24px;
        transition: right 0.3s;
        border-left: 1px solid rgba(212, 164, 74, 0.1);
    }

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

    .apps-grid {
        grid-template-columns: 1fr;
        max-width: 440px;
        margin: 0 auto;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }

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

    .about-visual {
        order: -1;
    }

    .about-logo {
        width: 200px;
        height: 200px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

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

    .footer-brand {
        flex-direction: column;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-badge {
        font-size: 11px;
        letter-spacing: 2px;
    }

    .section-header {
        margin-bottom: 48px;
    }

    .apps-section,
    .about-section,
    .contact-section {
        padding: 80px 0;
    }
}

@media (max-width: 480px) {
    .about-stats {
        gap: 32px;
    }

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

    .app-card-inner {
        padding: 32px 24px;
    }
}

/* ===== 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);
}