/* === CSS Custom Properties === */
:root {
    --teal-500: #14b8a6;
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    --slate-900: #0f172a;
    --slate-850: #1e293b;
}

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

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

body {
    overflow-x: hidden;
}

/* === Hero Clip === */
.clip-hero-right {
    clip-path: polygon(25% 0%, 100% 0%, 100% 100%, 0% 100%);
}

/* === Mobile Menu Animation === */
.menu-line {
    transition: all 0.3s ease;
}

#menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}

#menu-btn.active .menu-line:nth-child(3) {
    width: 1.5rem;
    transform: rotate(-45deg) translate(5px, -5px);
}

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

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--teal-600), var(--teal-400));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.service-card:hover::after {
    transform: scaleX(1);
}

/* === Testimonial Cards === */
.testimonial-card {
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 6rem;
    color: var(--teal-500);
    opacity: 0.1;
    line-height: 1;
    pointer-events: none;
}

/* === Scroll Reveal (Progressive Enhancement) === */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .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; }
}

/* Fallback: content always visible if JS disabled */
@media not all and (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* === Navbar Scroll State === */
.navbar-scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

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

::-webkit-scrollbar-track {
    background: var(--slate-900);
}

::-webkit-scrollbar-thumb {
    background: var(--teal-600);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--teal-500);
}

/* === Selection === */
::selection {
    background: var(--teal-500);
    color: white;
}

/* === Responsive Adjustments === */
@media (max-width: 768px) {
    .clip-hero-right {
        clip-path: polygon(0% 50%, 100% 0%, 100% 100%, 0% 100%);
    }

    #hero {
        min-height: auto;
        padding-top: 100px;
        padding-bottom: 60px;
    }
}

/* === Focus Styles === */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--teal-500);
    outline-offset: 2px;
    border-radius: 4px;
}