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

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

body {
    margin: 0;
    overflow-x: hidden;
}

::selection {
    background: rgba(110, 231, 183, 0.3);
    color: #ffffff;
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #040810;
}
::-webkit-scrollbar-thumb {
    background: rgba(110, 231, 183, 0.3);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(110, 231, 183, 0.5);
}

/* ========== NAVBAR ========== */
.nav-scrolled {
    background: rgba(4, 8, 16, 0.95) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* ========== MOBILE MENU ========== */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

.menu-line.active:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
.menu-line.active:nth-child(2) {
    opacity: 0;
}
.menu-line.active:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 24px;
}

/* ========== HERO ========== */
.hero-headline {
    animation: fadeInUp 0.8s ease-out forwards;
}

.hero-sub {
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

.hero-cta {
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
    opacity: 0;
}

.hero-trust {
    animation: fadeInUp 0.8s ease-out 0.6s forwards;
    opacity: 0;
}

.hero-image {
    animation: fadeInRight 1s ease-out 0.3s forwards;
    opacity: 0;
}

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

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

/* ========== SERVICE CARDS ========== */
.service-card {
    transform: translateY(0);
}

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

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

.gallery-item img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* ========== SCROLL REVEAL (progressive enhancement) ========== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(40px);
        transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    }

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

    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
        transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    }

    .reveal-left.revealed {
        opacity: 1;
        transform: translateX(0);
    }

    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
        transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    }

    .reveal-right.revealed {
        opacity: 1;
        transform: translateX(0);
    }

    .reveal-scale {
        opacity: 0;
        transform: scale(0.95);
        transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    }

    .reveal-scale.revealed {
        opacity: 1;
        transform: scale(1);
    }
}

/* Default visible state for reduced motion or no-JS */
.reveal,
.reveal-left,
.reveal-right,
.reveal-scale {
    opacity: 1;
    transform: none;
}

/* ========== STAGGER DELAYS ========== */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }
.delay-600 { transition-delay: 0.6s; }

/* ========== BUTTONS ========== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #6EE7B7;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ========== IMAGE PLACEHOLDERS ========== */
img {
    max-width: 100%;
    height: auto;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 767px) {
    .font-serif {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    #hero h1 {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }
}