/* ===== Base & Typography ===== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@300;400;500;600&display=swap');

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', system-ui, sans-serif;
    overflow-x: hidden;
}

::selection {
    background: rgba(74, 222, 128, 0.3);
    color: #f0fdf4;
}

/* ===== Scroll Reveal Animations ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    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);
}

/* Default visible state for progressive enhancement */
.reveal {
    opacity: 1;
    transform: none;
}

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

    .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; }
}

/* ===== Hero Animations ===== */
.hero-tagline {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

.hero-headline {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both;
}

.hero-subtext {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.6s both;
}

.hero-cta {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.8s both;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Navbar ===== */
#navbar {
    backdrop-filter: blur(0px);
    transition: backdrop-filter 0.5s ease, background-color 0.5s ease, padding 0.5s ease;
}

#navbar.scrolled {
    backdrop-filter: blur(20px);
    background-color: rgba(6, 10, 18, 0.85);
}

/* ===== Mobile Menu ===== */
#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

#mobileMenu.closed {
    opacity: 0;
    pointer-events: none;
}

.mobile-link {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

#mobileMenu.closed .mobile-link {
    opacity: 0;
    transform: translateY(20px);
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

#mobileMenu.closed .mobile-link:nth-child(1) { transition-delay: 0s; }
#mobileMenu.closed .mobile-link:nth-child(2) { transition-delay: 0.05s; }
#mobileMenu.closed .mobile-link:nth-child(3) { transition-delay: 0.1s; }
#mobileMenu.closed .mobile-link:nth-child(4) { transition-delay: 0.15s; }
#mobileMenu.closed .mobile-link:nth-child(5) { transition-delay: 0.2s; }

/* Mobile menu button */
#menuIcon span:nth-child(1) {
    transform-origin: center;
}
#menuIcon span:nth-child(2) {
    transform-origin: center;
}
#menuIcon span:nth-child(3) {
    transform-origin: center;
}

body.menu-open #menuIcon span:nth-child(1) {
    transform: translateY(3px) rotate(45deg);
}
body.menu-open #menuIcon span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
body.menu-open #menuIcon span:nth-child(3) {
    transform: translateY(-3px) rotate(-45deg);
    width: 1.5rem;
}

/* ===== Service Cards ===== */
.service-card {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.5s ease, box-shadow 0.5s ease;
}

.service-card:hover {
    box-shadow: 0 20px 60px -20px rgba(16, 185, 129, 0.15);
}

/* ===== Gallery ===== */
.gallery-item {
    cursor: pointer;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

/* ===== Testimonial Cards ===== */
.testimonial-card {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.5s ease;
}

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

/* ===== Form Inputs ===== */
input:focus,
textarea:focus,
select:focus {
    outline: none;
}

select option {
    background: #0c1220;
    color: #fff;
}

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

::-webkit-scrollbar-track {
    background: #0c1220;
}

::-webkit-scrollbar-thumb {
    background: #1c3250;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2c5282;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .hero-headline {
        font-size: 2.75rem;
    }

    .hero-headline br {
        display: none;
    }
}

@media (max-width: 640px) {
    .hero-headline {
        font-size: 2.25rem;
    }
}