/* ===== Base & Utilities ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(15, 118, 110, 0.4);
    color: #F8FAFC;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0f172a;
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #0F766E;
}

/* ===== Hero Animations ===== */
.hero-tag {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

.hero-title {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

.hero-sub {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.6s;
    opacity: 0;
}

.hero-ctas {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.8s;
    opacity: 0;
}

.hero-trust {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 1s;
    opacity: 0;
}

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

/* ===== Service Cards ===== */
.service-card {
    position: relative;
    overflow: hidden;
    transition: all duration-500;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #2dd4bf, transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.service-card:hover::before {
    opacity: 1;
}

/* ===== Process Steps ===== */
.process-step {
    transition: all 0.3s ease;
}

.process-step:hover {
    padding-left: 8px;
}

.process-step:hover span {
    color: #2dd4bf;
}

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

/* ===== Header Scroll State ===== */
#header.scrolled {
    background: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(30, 41, 59, 0.5);
}

/* ===== Mobile Menu ===== */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

#mobileMenu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#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.open .mobile-link:nth-child(6) { transition-delay: 0.35s; }

/* ===== Reveal on Scroll ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.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; }

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

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

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

/* ===== Focus Styles ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid #2dd4bf;
    outline-offset: 2px;
}

/* ===== Print ===== */
@media print {
    #header, #mobileMenu {
        display: none;
    }
    body {
        background: white;
        color: black;
    }
}