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

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(94, 234, 212, 0.25);
    color: #fff;
}

/* ─── Skip Link ─── */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    padding: 0.75rem 1.25rem;
    background: #5EEAD4;
    color: #0A1F44;
    font-weight: 600;
    border-radius: 0 0 0.5rem 0.5rem;
    z-index: 100;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

/* ─── Navigation ─── */
.nav-backdrop {
    background: rgba(3, 10, 24, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

header.scrolled .nav-backdrop {
    background: rgba(3, 10, 24, 0.92);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: #5EEAD4;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover {
    color: #fff;
}

/* ─── Mobile Menu ─── */
#mobile-menu {
    animation: menuSlideIn 0.3s ease forwards;
}

#mobile-menu.hidden {
    animation: menuSlideOut 0.25s ease forwards;
}

@keyframes menuSlideIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes menuSlideOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

.mobile-menu-link {
    position: relative;
    z-index: 1;
}

.mobile-menu-link:hover {
    text-shadow: 0 0 40px rgba(94, 234, 212, 0.3);
}

/* ─── Hero ─── */
.hero-bg {
    will-change: transform;
}

.hero-img {
    transform: scale(1.05);
    transition: transform 8s ease-out;
}

.hero-loaded .hero-img {
    transform: scale(1);
}

.hero-overlay {
    background: linear-gradient(
        to bottom,
        rgba(3, 10, 24, 0.45) 0%,
        rgba(3, 10, 24, 0.55) 40%,
        rgba(3, 10, 24, 0.80) 75%,
        rgba(3, 10, 24, 0.95) 100%
    );
}

.hero-eyebrow {
    opacity: 0;
    animation: fadeSlideUp 0.8s ease 0.3s forwards;
}

.hero-headline {
    opacity: 0;
    animation: fadeSlideUp 0.8s ease 0.5s forwards;
}

.hero-subtitle {
    opacity: 0;
    animation: fadeSlideUp 0.8s ease 0.7s forwards;
}

.hero-ctas {
    opacity: 0;
    animation: fadeSlideUp 0.8s ease 0.9s forwards;
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Scroll Indicator ─── */
.scroll-indicator {
    opacity: 0.6;
    animation: fadeIn 1s ease 1.5s forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 0.6; }
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
}

.scroll-line-fill {
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: #5EEAD4;
    animation: scrollDown 1.8s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { top: -100%; }
    50% { top: 100%; }
    51% { top: -100%; }
    100% { top: 100%; }
}

/* ─── Section Styles ─── */
.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.section-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: #fff;
}

/* ─── Buttons ─── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    background: #5EEAD4;
    color: #0A1F44;
    font-weight: 600;
    border: none;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: #7EDFC7;
    transform: translateY(-1px);
    box-shadow: 0 8px 30px rgba(94, 234, 212, 0.25);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    background: transparent;
    color: #fff;
    font-weight: 500;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    transform: translateY(-1px);
}

/* ─── Menu Cards ─── */
.menu-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 1.25rem;
    padding: 2rem;
    transition: all 0.4s ease;
}

.menu-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(94, 234, 212, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ─── Input Fields ─── */
.input-field {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    padding: 0.875rem 1rem;
    color: #fff;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.9375rem;
    transition: all 0.3s ease;
    outline: none;
    width: 100%;
}

.input-field::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.input-field:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.07);
}

.input-field:focus {
    border-color: #5EEAD4;
    background: rgba(94, 234, 212, 0.05);
    box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.1);
}

.input-field option {
    background: #0A1F44;
    color: #fff;
}

.input-field:invalid:not(:placeholder-shown) {
    border-color: rgba(239, 68, 68, 0.5);
}

/* ─── Scroll Reveal ─── */
.reveal-up {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-up.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Default state is visible for accessibility */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(32px);
    }

    .reveal-up.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Responsive ─── */
@media (max-width: 767px) {
    .menu-card {
        padding: 1.5rem;
    }
}

@media (min-width: 768px) {
    .scroll-indicator {
        display: none;
    }
}