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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(13, 148, 136, 0.3);
    color: #f0fdfa;
}

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

::-webkit-scrollbar-track {
    background: #0f172a;
}

::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

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

#navbar.scrolled {
    background: rgba(10, 15, 26, 0.85);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(148, 163, 184, 0.05);
}

/* ===== Floating Animations ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

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

.animate-float {
    animation: float 4s ease-in-out infinite;
}

.animate-float-delayed {
    animation: float-delayed 5s ease-in-out infinite;
    animation-delay: 1s;
}

/* ===== Service Cards ===== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #14b8a6, transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.service-card:hover::before {
    opacity: 1;
}

/* ===== Testimonial Cards ===== */
.testimonial-card {
    position: relative;
}

.testimonial-card::after {
    content: '"';
    position: absolute;
    top: 20px;
    right: 24px;
    font-family: 'Playfair Display', serif;
    font-size: 6rem;
    line-height: 1;
    color: rgba(13, 148, 136, 0.08);
    pointer-events: none;
}

/* ===== Reveal Animations ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

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

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

.mobile-link {
    display: block;
    padding: 8px 0;
    border-bottom: 1px solid rgba(148, 163, 184, 0.06);
}

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

/* ===== Responsive ===== */
@media (max-width: 767px) {
    .animate-float,
    .animate-float-delayed {
        display: none;
    }

    #hero {
        min-height: auto;
        padding-top: 120px;
        padding-bottom: 80px;
    }

    h1 {
        font-size: 2.75rem !important;
        line-height: 1.1 !important;
    }

    .service-card {
        padding: 1.5rem !important;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    h1 {
        font-size: 3.5rem !important;
    }
}

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

button:focus-visible,
a:focus-visible {
    outline: 2px solid #2dd4bf;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== Print ===== */
@media print {
    #navbar,
    #menu-btn,
    .animate-float,
    .animate-float-delayed {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }
}