/* ── 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: #98D4C0;
    color: #0A1628;
}

/* ── Hero Animations ── */
.hero-bg {
    will-change: transform;
}

.hero-title {
    opacity: 0;
    transform: translateY(40px);
    animation: heroReveal 1s ease forwards 0.3s;
}

.hero-eyebrow {
    opacity: 0;
    transform: translateY(20px);
    animation: heroReveal 1s ease forwards 0.1s;
}

.hero-subtitle {
    opacity: 0;
    transform: translateY(20px);
    animation: heroReveal 1s ease forwards 0.5s;
}

.hero-cta {
    opacity: 0;
    transform: translateY(20px);
    animation: heroReveal 1s ease forwards 0.7s;
}

@keyframes heroReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-scroll-indicator {
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 8px); }
}

/* ── CTA Buttons ── */
.cta-primary {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.cta-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #98D4C0 0%, #B8E8D6 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
    border-radius: inherit;
}

.cta-primary:hover::before {
    opacity: 1;
}

.cta-secondary:hover {
    background: rgba(152, 212, 192, 0.1);
}

/* ── Section Styles ── */
.section-eyebrow {
    display: block;
}

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

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #98D4C0, #7AB8A3);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

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

/* ── Gallery ── */
.gallery-item {
    position: relative;
    cursor: pointer;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.3) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: inherit;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* ── Contact Form ── */
.contact-input {
    background: transparent;
}

.contact-input:focus {
    border-color: #7AB8A3;
}

/* ── Reveal Animations ── */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 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; }

/* ── Mobile Menu ── */
.mobile-menu-open {
    overflow: hidden;
}

.mobile-menu-open body {
    overflow: hidden;
}

/* ── Navbar Transition ── */
#navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2.25rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .cta-primary,
    .cta-secondary {
        width: 100%;
        justify-content: center;
    }
}

/* ── Accessibility ── */
@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;
    }
}

/* ── Focus Styles ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #98D4C0;
    outline-offset: 2px;
    border-radius: 4px;
}