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

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

body {
    overflow-x: hidden;
}

::selection {
    background: color-mix(in srgb, #4a9e8e 30%, transparent);
    color: #0A1F3F;
}

/* ===== NAVBAR ===== */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(253, 249, 243, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(10, 31, 63, 0.06);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #4a9e8e;
    transition: width 0.3s ease;
}

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

/* ===== MOBILE MENU ===== */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.open .mobile-nav-link {
    animation: fadeSlideUp 0.4s ease forwards;
    opacity: 1;
}

#mobile-menu .mobile-nav-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu .mobile-nav-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu .mobile-nav-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu .mobile-nav-link:nth-child(4) { animation-delay: 0.2s; }

#mobile-menu .mobile-nav-link {
    opacity: 0;
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.menu-line {
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

body.menu-open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

body.menu-open .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

body.menu-open .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ===== HERO ===== */
.hero-badge {
    animation: fadeInDown 0.8s ease forwards;
}

h1 {
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

h1 + p,
h1 ~ p {
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

.hero ~ p,
.hero p {
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

.hero-cta {
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.6s;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ===== SERVICE CARDS ===== */
.service-card {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
    transform: translateY(-6px);
}

/* ===== GALLERY ===== */
.gallery-item {
    overflow: hidden;
}

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .reveal.revealed {
        opacity: 1;
        transform: none;
    }
    .service-card {
        transform: none;
    }
    .service-card:hover {
        transform: none;
    }
    img {
        transition: none;
    }
    .gallery-item img {
        transform: none;
    }
}

/* ===== FORM ===== */
input:focus,
textarea:focus {
    border-bottom-color: #4a9e8e !important;
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #FDF9F3;
}

::-webkit-scrollbar-thumb {
    background: #95d3c5;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4a9e8e;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 767px) {
    .font-serif.text-5xl {
        font-size: 2.75rem;
    }
}