/* ===== 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(13, 148, 136, 0.2);
    color: #0f766e;
}

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

.nav-fixed.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06), 0 4px 20px rgba(0, 0, 0, 0.04);
}

.nav-logo-text {
    transition: color 0.3s ease;
}

.nav-fixed.scrolled .nav-logo-text {
    color: #0f172a;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #0d9488;
    border-radius: 1px;
    transition: width 0.3s ease;
}

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

.nav-fixed.scrolled .nav-link {
    color: #475569;
}

.nav-fixed.scrolled .nav-link:hover {
    color: #0d9488;
}

/* ===== Mobile Menu ===== */
.mobile-menu {
    animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-menu-link {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.mobile-menu-link:last-child {
    border-bottom: none;
}

/* ===== Hero ===== */
.hero-section {
    position: relative;
}

.hero-bg-img {
    will-change: transform;
}

/* ===== Floating Cards ===== */
.floating-card {
    animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(1) {
    animation-delay: 0s;
}

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

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-12px);
    }
}

/* ===== Buttons ===== */
.btn-primary {
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.btn-primary:active {
    transform: translateY(0);
}

/* ===== Reveal Animations ===== */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(30px);
    }

    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
    }

    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
    }

    .reveal-up.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed {
        opacity: 1;
        transform: translate(0, 0);
    }
}

/* ===== Hero Decorative Circles ===== */
.hero-deco {
    will-change: transform;
}

@media (prefers-reduced-motion: no-preference) {
    .hero-circle-1 {
        animation: drift1 20s ease-in-out infinite;
    }

    .hero-circle-2 {
        animation: drift2 25s ease-in-out infinite;
    }

    .hero-circle-3 {
        animation: drift3 15s ease-in-out infinite;
    }
}

@keyframes drift1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(20px, -30px) scale(1.02); }
    66% { transform: translate(-15px, 20px) scale(0.98); }
}

@keyframes drift2 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(30px, -20px) rotate(5deg); }
}

@keyframes drift3 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-20px, 15px); }
}

/* ===== Menu Card Hover ===== */
.group:hover .group-hover\\:scale-105 {
    transform: scale(1.05);
}

/* ===== Form Focus ===== */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

/* ===== Smooth Scroll Offset ===== */
section[id] {
    scroll-margin-top: 80px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .font-display {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }

    .hero-section {
        min-height: auto;
        padding: 8rem 0 4rem;
    }
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f5f5f4;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}