/* ===== Base & Reset ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    overflow-x: hidden;
}

::selection {
    background-color: #a7f3d0;
    color: #064e3b;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #fefdf8;
}
::-webkit-scrollbar-thumb {
    background: #a7f3d0;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #6ee7b7;
}

/* ===== Nav ===== */
.nav-scrolled {
    background: rgba(254, 253, 248, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(5, 150, 105, 0.08);
}

.nav-scrolled .nav-link {
    color: #374151;
}

.nav-scrolled .nav-link:hover {
    color: #059669;
}

.nav-scrolled .logo-text {
    color: #064e3b;
}

/* Mobile menu */
.mobile-menu {
    max-height: 0;
}

.mobile-menu.open {
    max-height: 400px;
}

/* ===== Animations ===== */
@keyframes blob {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -50px) scale(1.1);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    75% {
        transform: translate(20px, 50px) scale(1.05);
    }
}

.animate-blob {
    animation: blob 8s ease-in-out infinite;
}

.animation-delay-2000 {
    animation-delay: 2s;
}

.animation-delay-4000 {
    animation-delay: 4s;
}

/* ===== Reveal Animations ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

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

    .service-card {
        opacity: 0;
        transform: translateY(20px);
    }

    .service-card.revealed {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .gallery-item {
        opacity: 0;
        transform: scale(0.95);
    }

    .gallery-item.revealed {
        opacity: 1;
        transform: scale(1);
        transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .review-card {
        opacity: 0;
        transform: translateY(20px);
    }

    .review-card.revealed {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    }
}

/* ===== Buttons ===== */
.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s;
}

.btn-primary:hover::after {
    opacity: 1;
}

/* ===== Service Cards ===== */
.service-card {
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}

/* ===== Gallery ===== */
.gallery-item {
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ===== Back to Top ===== */
.back-to-top {
    transition: opacity 0.3s ease, transform 0.3s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.back-to-top:hover {
    box-shadow: 0 4px 20px rgba(5, 150, 105, 0.4);
}

/* ===== Focus styles ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid #059669;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }

    .reveal.revealed {
        opacity: 1;
        transform: none;
    }
}

/* ===== Mobile adjustments ===== */
@media (max-width: 640px) {
    .mobile-menu {
        max-height: 0;
        transition: max-height 0.3s ease;
    }

    .mobile-menu.open {
        max-height: 450px;
    }
}