/* Base styles */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #f8fafc;
}
::-webkit-scrollbar-thumb {
    background: #0f766e;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #0d9488;
}

/* Selection */
::selection {
    background: #0f766e;
    color: white;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    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);
    }
}

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

.hero-title {
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.6s;
}

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

.hero-cta {
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 1.2s;
}

.animate-fade-in {
    animation: fadeIn 1s ease forwards;
}

/* Reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal:nth-child(6) { transition-delay: 0.5s; }

/* Navbar transition */
.nav-scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.nav-scrolled [style*="color: inherit"],
.nav-scrolled span,
.nav-scrolled a,
.nav-scrolled button span {
    color: #1e293b !important;
}

.nav-scrolled .border border-current {
    border-color: #1e293b !important;
}

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

.mobile-link {
    animation: fadeInUp 0.5s ease forwards;
}

.mobile-link:nth-child(1) { animation-delay: 0.1s; }
.mobile-link:nth-child(2) { animation-delay: 0.2s; }
.mobile-link:nth-child(3) { animation-delay: 0.3s; }
.mobile-link:nth-child(4) { animation-delay: 0.4s; }

/* Menu button animation */
.menu-btn-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.menu-btn-active span:nth-child(2) {
    opacity: 0;
}
.menu-btn-active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.5rem;
}

/* Form focus styles */
input:focus,
textarea:focus,
select:focus {
    border-bottom-color: #0f766e !important;
}

input:focus,
textarea:focus {
    box-shadow: 0 1px 0 0 #0f766e;
}

/* Smooth image loading */
img {
    image-rendering: auto;
    transition: opacity 0.3s ease;
}

img[data-src] {
    opacity: 0;
}

img.loaded {
    opacity: 1;
}

/* Writing mode for vertical text */
.writing-mode-vertical {
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

/* Thin line accents */
.line-accent {
    position: relative;
}
.line-accent::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 48px;
    height: 1px;
    background: #0f766e;
}

/* Subtle hover lift for cards */
.group:hover {
    transform: translateY(-2px);
}

.group {
    transition: transform 0.3s ease;
}

/* Print styles */
@media print {
    nav, #contact, footer {
        display: none;
    }
    body {
        color: #000;
        background: #fff;
    }
}