/* ============================================
   Top Donuts — Custom Styles
   Classic & Elegant | Teal + Slate Palette
   ============================================ */

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

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

body {
    overflow-x: hidden;
}

/* Selection Color */
::selection {
    background-color: #14b8a6;
    color: #ffffff;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* ============================================
   Navigation
   ============================================ */
#navbar {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

#navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.97);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #0d9488, #14b8a6);
    transition: width 0.3s ease;
}

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

/* ============================================
   Hero
   ============================================ */
#hero {
    position: relative;
}

#hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, #ffffff, transparent);
    pointer-events: none;
}

/* ============================================
   Reveal Animations (progressive enhancement)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .reveal-left {
        opacity: 1;
        transform: translateX(0);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .reveal-right {
        opacity: 1;
        transform: translateX(0);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
}

/* Hidden state — JS adds .revealed to trigger */
.reveal,
.reveal-left,
.reveal-right {
    opacity: 0;
    transform: translateY(30px);
}

.reveal-left {
    transform: translateX(-30px);
}

.reveal-right {
    transform: translateX(30px);
}

.revealed {
    opacity: 1 !important;
    transform: translate(0, 0) !important;
}

/* ============================================
   Buttons
   ============================================ */
a {
    text-decoration: none;
}

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-link {
    position: relative;
    padding-left: 0;
}

.mobile-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(13, 148, 136, 0.1), transparent);
    transition: width 0.3s ease;
}

.mobile-link:hover::before {
    width: 100%;
}

/* ============================================
   Cards
   ============================================ */
.rounded-2xl {
    border: 1px solid rgba(0, 0, 0, 0.04);
}

/* ============================================
   Map
   ============================================ */
iframe {
    filter: saturate(0.8) contrast(1.05);
    transition: filter 0.3s ease;
}

iframe:hover {
    filter: saturate(1) contrast(1);
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 768px) {
    #hero::after {
        height: 80px;
    }

    .font-serif {
        line-height: 1.2;
    }
}

/* ============================================
   Focus Styles (Accessibility)
   ============================================ */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #14b8a6;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    #navbar,
    #hero,
    .reveal,
    iframe {
        display: none;
    }

    body {
        color: #000;
        background: #fff;
    }
}