:root {
    --gold: #C5A059;
    --gold-dim: #a48443;
    --navy: #0F172A;
    --navy-dark: #050911;
    --white: #ffffff;
    --gray-light: #f4f4f4;
    --font-serif: "Cormorant Garamond", serif;
    --font-sans: "Montserrat", sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    color: var(--navy);
    overflow-x: hidden;
}

/* Top Bar */
.top-bar {
    background: var(--navy-dark);
    padding: 0.5rem 0;
}

.flex-end {
    display: flex;
    justify-content: flex-end;
}

.lang-selector {
    display: flex;
    gap: 1rem;
}

.lang-btn {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    transition: 0.3s;
}

.lang-btn:hover,
.lang-btn.active {
    color: var(--gold);
}

/* Typography */
h1,
h2,
h3 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
}

.gold-subtitle {
    color: var(--gold);
    font-size: 0.9rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 600;
    display: block;
    margin-bottom: 1rem;
}

.line-gold-center {
    width: 60px;
    height: 3px;
    background: var(--gold);
    margin: 1.5rem auto;
}

/* Hero */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(15, 23, 42, 0.6), rgba(15, 23, 42, 0.8)), url('https://images.unsplash.com/photo-1549603582-7206af8b4d88?auto=format&fit=crop&q=80&w=2000');
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--white);
    position: relative;
    padding-top: 60px;
    /* nav height */
}

.hero h1 {
    font-size: 4.5rem;
    margin-bottom: 1rem;
    max-width: 900px;
}

.hero .subtitle {
    font-size: 1.4rem;
    font-weight: 300;
    margin-bottom: 2.5rem;
    max-width: 700px;
    color: rgba(255, 255, 255, 0.9);
}

.royal-divider {
    color: var(--gold);
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* Buttons */
.btn-gold {
    background: var(--gold);
    color: var(--white);
    padding: 1rem 2.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
    letter-spacing: 1px;
}

.btn-gold:hover {
    background: var(--gold-dim);
    transform: translateY(-3px);
}

.btn-outline {
    border: 1px solid var(--white);
    color: var(--white);
    padding: 1rem 2.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
    letter-spacing: 1px;
}

.btn-outline:hover {
    background: var(--white);
    color: var(--navy);
}

/* Stats Bar */
.stats-bar {
    position: absolute;
    bottom: 0;
    width: 100%;
    max-width: 1200px;
    display: flex;
    justify-content: space-around;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}

.stat {
    text-align: center;
    color: var(--white);
}

.stat .num {
    display: block;
    font-size: 2.2rem;
    font-family: var(--font-serif);
    color: var(--gold);
    margin-bottom: 0.5rem;
}

.stat .label {
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Cards & Grid */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 8rem 0;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.tech-card {
    background: var(--white);
    padding: 3rem 2rem;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: 0.4s;
    position: relative;
    overflow: hidden;
}

.tech-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--gold);
}

.tech-card .icon-gold {
    font-size: 3rem;
    color: var(--gold);
    margin-bottom: 1.5rem;
}

.tech-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--navy);
}

.tech-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 4rem auto 0;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background: var(--gold);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
    opacity: 0;
    transform: translateY(20px);
    transition: 0.6s all ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item.left {
    left: 0;
    text-align: right;
}

.timeline-item.right {
    left: 50%;
}

.timeline-item .content {
    padding: 20px 30px;
    background: white;
    border-radius: 6px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.timeline-item .number {
    position: absolute;
    width: 40px;
    height: 40px;
    right: -20px;
    top: 20px;
    background: var(--gold);
    border: 4px solid white;
    border-radius: 50%;
    z-index: 10;
    font-family: var(--font-serif);
    font-weight: bold;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-item.right .number {
    left: -20px;
    right: auto;
}

/* Contact */
.cta-section {
    background: #050911;
    color: white;
    padding: 6rem 0;
}

.contact-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
}

.btn-whatsapp {
    background: #25D366;
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-video {
    background: var(--white);
    color: var(--navy);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Footer */
footer {
    background: #000;
    padding: 4rem 0;
    color: rgba(255, 255, 255, 0.4);
    text-align: center;
}

.logo-text.large {
    font-size: 3rem;
    color: var(--gold);
    font-family: var(--font-serif);
    margin-bottom: 2rem;
}

.socials {
    margin-bottom: 2rem;
    font-size: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.socials a {
    color: inherit;
    transition: 0.3s;
}

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

/* Responsive */
@media screen and (max-width: 768px) {
    .grid-3 {
        grid-template-columns: 1fr;
    }

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

    .timeline::after {
        left: 31px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    .timeline-item.left,
    .timeline-item.right {
        left: 0;
        text-align: left;
    }

    .timeline-item.left .number,
    .timeline-item.right .number {
        left: 10px;
    }

    .stats-bar {
        position: relative;
        flex-direction: column;
        gap: 2rem;
        background: var(--navy);
    }

    .lang-selector {
        flex-wrap: wrap;
    }
}