/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --teal-400: #2dd4bf;
    --teal-500: #14b8a6;
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    --slate-950: #020617;
    --slate-900: #0f172a;
    --slate-800: #1e293b;
    --slate-700: #334155;
}

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

body {
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

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

/* ===== MARQUEE ANIMATION ===== */
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.animate-marquee {
    animation: marquee 25s linear infinite;
}

.marquee-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

#navbar.scrolled {
    background: rgba(2, 6, 23, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--teal-400);
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: var(--teal-400) !important;
}

/* ===== HERO ANIMATIONS ===== */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-eyebrow {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

.hero-headline {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

.hero-subtitle {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.6s;
    opacity: 0;
}

.hero-ctas {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.8s;
    opacity: 0;
}

.hero-image-stack {
    animation: fadeRight 1s ease forwards;
    animation-delay: 0.6s;
    opacity: 0;
}

/* ===== CTA BUTTONS ===== */
.cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    border-radius: 9999px;
    transition: all 0.3s ease;
}

.cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    border-radius: 9999px;
    transition: all 0.3s ease;
}

/* ===== SECTION STYLES ===== */
.section-eyebrow {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.section-title {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease 0.1s;
}

.section-eyebrow.visible,
.section-title.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== PRODUCT CARDS ===== */
.product-card {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.5s ease;
}

.product-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.product-card:hover {
    border-color: rgba(13, 148, 136, 0.5) !important;
    box-shadow: 0 20px 60px -20px rgba(13, 148, 136, 0.15);
}

.product-card:hover .aspect-\[4\/3\] img {
    transform: scale(1.1);
}

/* ===== FORM INPUTS ===== */
.form-input {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus {
    border-color: var(--teal-500) !important;
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.15) !important;
}

.form-input::placeholder {
    color: #475569;
}

/* ===== MOBILE MENU ===== */
#mobile-menu {
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

#mobile-menu.open {
    opacity: 1 !important;
    pointer-events: auto !important;
}

.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: all 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; }

/* ===== ABOUT IMAGE ===== */
.about-image-wrapper {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.8s ease;
}

.about-image-wrapper.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ===== SCROLL REVEAL (generic) ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero-headline {
        font-size: 2.75rem !important;
    }

    .section-title {
        font-size: 2.25rem !important;
    }

    .product-card {
        opacity: 1 !important;
        transform: none !important;
    }
}

@media (max-width: 640px) {
    .hero-headline {
        font-size: 2.25rem !important;
    }
}

/* ===== FOCUS VISIBLE ===== */
*:focus-visible {
    outline: 2px solid var(--teal-400);
    outline-offset: 2px;
}

/* ===== SELECTION ===== */
::selection {
    background: rgba(13, 148, 136, 0.3);
    color: #fff;
}