/* ========== BASE & RESET ========== */
*, *::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(20, 184, 166, 0.3);
    color: #f1f5f9;
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0f172a;
}
::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #475569;
}

/* ========== MARQUEE ========== */
.marquee-track {
    animation: marquee 30s linear infinite;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ========== HERO STAT CARDS ========== */
.stat-card {
    animation: float 6s ease-in-out infinite;
}

.stat-card:nth-child(2) {
    animation-delay: -1.5s;
}

.stat-card:nth-child(3) {
    animation-delay: -3s;
}

.stat-card:nth-child(4) {
    animation-delay: -4.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

/* ========== SCROLL REVEAL ========== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .stat-card {
        animation: none;
    }
    html {
        scroll-behavior: auto;
    }
    .marquee-track {
        animation: none;
    }
}

/* ========== NAVBAR SCROLL STATE ========== */
#navbar.scrolled {
    background: rgba(8, 14, 26, 0.95);
    backdrop-blur-xl;
    box-shadow: 0 1px 0 rgba(255,255,255,0.05), 0 4px 20px rgba(0,0,0,0.3);
}

/* ========== MOBILE MENU ========== */
#mobile-menu.open {
    display: block;
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== MENU CARD HOVER ========== */
.group:hover .group-hover\:scale-105 {
    transform: scale(1.05);
}

/* ========== BUTTON RIPPLE ========== */
a[href^="tel:"],
a[href^="#"] {
    text-decoration: none;
}

/* ========== FOCUS ========== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #14b8a6;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ========== FORM ========== */
input, textarea {
    font-family: inherit;
}

input:focus, textarea:focus {
    outline: none;
}

/* ========== UTILITY ========== */
.text-gradient {
    background: linear-gradient(135deg, #2dd4bf, #0d9488);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}