/* ===== Reset & Base ===== */
*, *::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: rgba(78, 205, 196, 0.3);
    color: #fff;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #060e1a;
}
::-webkit-scrollbar-thumb {
    background: #1a2f4a;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #d4af37;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.6; transform: scaleY(1); }
    50% { opacity: 0.3; transform: scaleY(0.6); }
}

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

/* ===== Hero Animations ===== */
.hero-subtitle {
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.3s;
}

.hero-title {
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.5s;
}

.hero-desc {
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.7s;
}

.hero-ctas {
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.9s;
}

.scroll-line {
    animation: scrollPulse 2s ease-in-out infinite;
    transform-origin: top;
}

/* ===== Reveal on Scroll ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal.revealed-delay-1 {
    transition-delay: 0.1s;
}

.reveal.revealed-delay-2 {
    transition-delay: 0.2s;
}

.reveal.revealed-delay-3 {
    transition-delay: 0.3s;
}

/* ===== Service Cards ===== */
.service-card {
    transition: transform 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(212, 175, 55, 0.05);
}

/* ===== Gallery Items ===== */
.gallery-item {
    cursor: pointer;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.gallery-item:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

/* ===== Navbar ===== */
#navbar.scrolled {
    background: rgba(6, 14, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, #4ecdc4, #d4af37);
    transition: width 0.3s ease;
}

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

/* ===== Mobile Menu ===== */
.mobile-link {
    position: relative;
}

.mobile-link::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 2px;
    background: #d4af37;
    transition: width 0.3s ease;
}

.mobile-link:hover::before {
    width: 12px;
}

#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

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

/* ===== Form Styles ===== */
select option {
    background: #0a1628;
    color: #fff;
}

/* ===== Button Focus ===== */
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
    outline: 2px solid #4ecdc4;
    outline-offset: 2px;
}

/* ===== Responsive ===== */
@media (max-width: 767px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-desc {
        font-size: 1rem;
    }

    .service-card {
        margin-bottom: 0;
    }

    .gallery-item {
        margin-bottom: 0;
    }

    #about .reveal > div:first-child {
        margin-bottom: 2rem;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

/* ===== Reduced Motion ===== */
@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;
    }
}

/* ===== Gold shimmer on hover for CTA ===== */
button[type="submit"]:hover {
    position: relative;
}

button[type="submit"]::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.15),
        transparent
    );
    transition: left 0.5s ease;
}

button[type="submit"]:hover::before {
    left: 100%;
}