/* ===== RESET & BASE ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== NAVBAR ===== */
#navbar {
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

#navbar.scrolled .menu-line {
    background: #1e293b;
}

#navbar.scrolled .text-slate-900,
#navbar.scrolled a:not(.bg-teal-600):not(.bg-white\/5) {
    color: #1e293b;
}

/* ===== MOBILE MENU ===== */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menuBtn.active .menu-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

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

#menuBtn.active .menu-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    width: 20px;
}

/* ===== HERO GEOMETRIC SHAPES ===== */
.geo-shape {
    position: absolute;
    pointer-events: none;
    opacity: 0.12;
}

.geo-circle-1 {
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: #2dd4bf;
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.geo-circle-2 {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: #5eead4;
    bottom: 20%;
    left: 5%;
    animation: float 6s ease-in-out infinite reverse;
}

.geo-square-1 {
    width: 120px;
    height: 120px;
    background: #0d9488;
    top: 30%;
    left: 15%;
    border-radius: 24px;
    transform: rotate(45deg);
    animation: spin 20s linear infinite;
}

.geo-triangle-1 {
    width: 0;
    height: 0;
    border-left: 60px solid transparent;
    border-right: 60px solid transparent;
    border-bottom: 104px solid #99f6e4;
    top: 60%;
    right: 10%;
    animation: float 7s ease-in-out infinite;
}

.geo-ring-1 {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 20px solid #5eead4;
    bottom: 15%;
    right: 5%;
    animation: spin 15s linear infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===== MARQUEE ===== */
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.animate-marquee {
    animation: marquee 25s linear infinite;
}

/* ===== MENU CARDS ===== */
.menu-card {
    position: relative;
    overflow: hidden;
}

.menu-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0d9488, #2dd4bf);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.menu-card:hover::before {
    transform: scaleX(1);
}

/* ===== COMMUNITY CARDS ===== */
.community-card {
    position: relative;
    overflow: hidden;
}

.community-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0d9488, #2dd4bf);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

/* ===== SCROLL REVEAL (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s 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; }
}

/* ===== BACK TO TOP ===== */
#backToTop {
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}

#backToTop.visible {
    opacity: 1;
    visibility: visible;
}

#backToTop:not(.visible) {
    transform: translateY(10px);
}

/* ===== UTILITY ===== */
@media (max-width: 768px) {
    .geo-circle-1 {
        width: 300px;
        height: 300px;
    }
    
    .geo-square-1 {
        width: 80px;
        height: 80px;
    }
    
    .geo-triangle-1 {
        border-left-width: 40px;
        border-right-width: 40px;
        border-bottom-width: 69px;
    }
    
    .geo-ring-1 {
        width: 100px;
        height: 100px;
        border-width: 14px;
    }
}