/* ── Reset & Base ── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
}

/* ── Navigation ── */
.nav {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.nav.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;
    transition: width 0.3s ease;
    border-radius: 1px;
}

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

/* ── Mobile Menu ── */
.mobile-link {
    display: block;
}

/* ── Hero ── */
.hero {
    position: relative;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* ── 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, #0D9488, #2dd4bf);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    border-radius: 3px 3px 0 0;
}

.service-card:hover::before {
    transform: scaleX(1);
}

/* ── Why Us Cards ── */
.why-card {
    position: relative;
}

.why-card:hover {
    transform: translateY(-4px);
}

/* ── Scroll Animations ── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.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; }

/* ── Success Message ── */
.success-message {
    animation: slideDown 0.4s ease;
}

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

/* ── Responsive ── */
@media (max-width: 767px) {
    .hero {
        min-height: auto;
        padding-top: 100px;
        padding-bottom: 60px;
    }

    .hero .order-1 {
        order: 1 !important;
    }

    .hero .order-2 {
        order: 2 !important;
    }

    h1 {
        font-size: 2.25rem !important;
    }
}