/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }

/* ── Section Eyebrow ── */
.section-eyebrow {
    opacity: 0;
    transform: translateY(12px);
    animation: fadeUp 0.7s ease forwards;
}

/* ── Reveal Animations ── */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 0;
}
.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.revealed {
    opacity: 1 !important;
    transform: translate(0, 0) !important;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Hero Animations ── */
.hero-eyebrow {
    opacity: 0;
    animation: fadeUp 0.8s 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero-headline {
    opacity: 0;
    transform: translateY(50px);
    animation: fadeUp 0.9s 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero-subtitle {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero-ctas {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

/* ── Hero Orbs ── */
.hero-orb {
    animation: orbFloat 8s ease-in-out infinite;
}
.hero-orb--1 { animation-delay: 0s; }
.hero-orb--2 { animation-delay: -3s; }
.hero-orb--3 { animation-delay: -5s; }

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 15px) scale(0.95); }
}

/* ── Scroll Line ── */
.scroll-line {
    animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ── Marquee ── */
.marquee-strip {
    overflow: hidden;
    border-top: 1px solid rgba(126, 232, 208, 0.15);
    border-bottom: 1px solid rgba(126, 232, 208, 0.15);
}
.marquee-track {
    display: flex;
    animation: marqueeScroll 30s linear infinite;
    width: max-content;
}
.marquee-item {
    flex-shrink: 0;
}
.marquee-track:hover {
    animation-play-state: paused;
}
@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ── Nav Link Hover ── */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #7EE8D0;
    transition: width 0.3s ease;
}
.nav-link:hover::after {
    width: 100%;
}
.nav-link:hover {
    color: #7EE8D0 !important;
}

/* ── Mobile Menu ── */
#mobile-menu.open {
    opacity: 1 !important;
    pointer-events: all !important;
}
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}
#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}
#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* ── Menu Toggle ── */
.menu-line {
    transform-origin: center;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
#menu-toggle.active .menu-line:first-child {
    transform: translateY(4px) rotate(45deg);
}
#menu-toggle.active .menu-line:last-child {
    transform: translateY(-4px) rotate(-45deg);
}

/* ── Header Background ── */
#site-header.scrolled {
    background: rgba(6, 15, 31, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* ── Image Hover ── */
img {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Focus Styles ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #7EE8D0;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ── Responsive ── */
@media (max-width: 767px) {
    .font-serif {
        letter-spacing: -0.01em;
    }
}

/* ── Selection ── */
::selection {
    background: rgba(126, 232, 208, 0.3);
    color: #fff;
}