/* ------------------------------------------------------------------
   Global Styles – Black & Gold, Luxury Tech
------------------------------------------------------------------ */

:root {
    --black: #000000;
    --charcoal: #111111;
    --gold: #D4AF37;
    --gold-light: #e5c158;
    --white: #ffffff;
    --gray: #cccccc;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(212, 175, 55, 0.2);
}

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

body {
    background-color: var(--charcoal);
    color: var(--white);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.gold-underline::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: var(--gold);
    margin: 0.5rem 0 1.5rem;
}

a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Glassmorphism */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
}

/* Buttons */
.button {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.button.gold {
    background: var(--gold);
    color: var(--black);
}

.button.gold:hover {
    background: transparent;
    color: var(--gold);
    border-color: var(--gold);
}

.button.outline {
    border: 2px solid var(--gold);
    color: var(--gold);
    background: transparent;
}

.button.outline:hover {
    background: var(--gold);
    color: var(--black);
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(0,0,0,0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    max-height: 60px;
    width: auto;
}

.tagline {
    font-size: 0.9rem;
    line-height: 1.3;
    font-weight: 300;
    color: var(--gray);
}

.tagline span {
    color: var(--gold);
    font-weight: 600;
}

.main-navigation ul {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.main-navigation a {
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 0.3s ease;
}

.main-navigation a:hover::after,
.main-navigation .current-menu-item a::after {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--black) 0%, var(--charcoal) 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(45deg, rgba(212,175,55,0.03) 0px, rgba(212,175,55,0.03) 20px, transparent 20px, transparent 40px);
    z-index: 0;
    animation: moveBackground 20s linear infinite;
}

@keyframes moveBackground {
    0% { transform: translateX(0) translateY(0); }
    100% { transform: translateX(50px) translateY(50px); }
}

.hero-content {
    max-width: 900px;
    margin: 0 2rem;
    position: relative;
    z-index: 1;
}

.hero .subhead {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--gray);
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Sections */
.section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.section.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* Features grid */
.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.feature-block, .benefit, .model-card, .step {
    background: var(--glass-bg);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-block:hover, .benefit:hover, .model-card:hover, .step:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.2);
    border-color: var(--gold);
}

/* Steps in how-it-works */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.step {
    text-align: center;
    font-weight: 600;
    font-size: 1.2rem;
}

/* Feature grid in technology */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    list-style: none;
}

.feature-grid li {
    background: var(--glass-bg);
    border-left: 4px solid var(--gold);
    padding: 1rem;
    font-weight: 500;
}

/* Contact form */
.contact form {
    max-width: 600px;
    margin: 2rem auto 0;
}

.contact p {
    margin-bottom: 1.5rem;
}

.contact label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--gold);
    font-weight: 500;
}

.contact input,
.contact textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--white);
    font-family: 'Inter', sans-serif;
    transition: border 0.3s ease;
}

.contact input:focus,
.contact textarea:focus {
    outline: none;
    border-color: var(--gold);
}

.contact .captcha input {
    width: 120px;
}

.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    text-align: center;
}

.alert.success {
    background: rgba(212, 175, 55, 0.2);
    border: 1px solid var(--gold);
    color: var(--gold);
}

.alert.error {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid #ff4444;
    color: #ff8888;
}

/* Footer */
.site-footer {
    background: var(--black);
    border-top: 1px solid var(--glass-border);
    padding: 2rem;
    text-align: center;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-navigation ul {
    display: flex;
    gap: 2rem;
    list-style: none;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-navigation a {
    color: var(--gray);
    font-size: 0.9rem;
}

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

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }

    .main-navigation ul {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

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

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

    .hero .subhead {
        font-size: 1.2rem;
    }
}