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

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

body {
    font-family: 'Inter', sans-serif;
    background-color: #080e1a;
    color: #f1f5f9;
    overflow-x: hidden;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0f172a;
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #0d9488;
}

/* ===== NAVBAR ===== */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background: rgba(8, 14, 26, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(45, 212, 191, 0.08), 0 4px 30px rgba(0, 0, 0, 0.3);
}

#navbar.scrolled nav > .max-w-7xl > .py-4 {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

/* ===== HERO ===== */
#hero {
    position: relative;
}

/* ===== SERVICE CARDS ===== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #14b8a6, #0d9488);
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

/* ===== WHY CARDS ===== */
.why-card {
    position: relative;
    overflow: hidden;
}

/* ===== TESTIMONIAL CARDS ===== */
.testimonial-card {
    position: relative;
    overflow: hidden;
}

.testimonial-card::after {
    content: '"';
    position: absolute;
    top: -10px;
    right: 20px;
    font-family: 'Outfit', sans-serif;
    font-size: 120px;
    font-weight: 800;
    color: rgba(45, 212, 191, 0.04);
    line-height: 1;
    pointer-events: none;
}

/* ===== FORM ===== */
input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #14b8a6 !important;
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.15);
}

input::placeholder,
textarea::placeholder {
    color: #475569;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* ===== SCROLL REVEAL (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        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);
    }

    .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; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ===== MOBILE MENU ===== */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 767px) {
    .font-heading {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }
}

@media (min-width: 768px) {
    .font-heading {
        font-size: clamp(2.5rem, 5vw, 3.5rem);
    }
}