/* ===== 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;
}

img, video {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

ul, ol {
    list-style: none;
}

/* ===== Skip Link ===== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    background: #8a182c;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0 0 0.5rem 0.5rem;
    z-index: 100;
    font-weight: 600;
    transition: top 0.2s;
}
.skip-link:focus {
    top: 0;
}

/* ===== Typography ===== */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #b5203a;
    background: linear-gradient(135deg, #fce4e8, #fdf2f4);
    padding: 0.4rem 1rem;
    border-radius: 100px;
    border: 1px solid #f9c2ca;
}

.section-title {
    font-family: 'Fraunces', Georgia, serif;
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 700;
    line-height: 1.1;
    color: #56121e;
    letter-spacing: -0.02em;
}

/* ===== Navbar ===== */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(254, 253, 251, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(138, 24, 44, 0.06);
}

.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #b5203a;
    border-radius: 2px;
    transition: width 0.3s ease;
}
.nav-link:hover::after,
.nav-link:focus::after {
    width: 100%;
}

/* ===== Mobile Menu ===== */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}
#mobile-menu.open .mobile-link {
    animation: fadeUp 0.4s ease forwards;
    opacity: 1;
}
#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }

.mobile-link {
    opacity: 0;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Menu button */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}
body.menu-open .menu-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}
body.menu-open .menu-line:nth-child(2) {
    opacity: 0;
}
body.menu-open .menu-line:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
    width: 1.25rem;
}

/* ===== Feature Cards ===== */
.feature-card {
    opacity: 1;
}

/* ===== Marquee ===== */
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.animate-marquee {
    animation: marquee 30s linear infinite;
}
.animate-marquee:hover {
    animation-play-state: paused;
}

/* ===== Scroll Reveal (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
}

/* ===== Focus styles ===== */
a:focus-visible, button:focus-visible {
    outline: 2px solid #b5203a;
    outline-offset: 3px;
    border-radius: 4px;
}

/* ===== Responsive ===== */
@media (max-width: 767px) {
    .section-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
    }
}