/* ============================================
   Denong Tea — Custom Styles
   ============================================ */

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

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

body {
    overflow-x: hidden;
}

/* Section labels */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-terracotta-500, #C4703B);
    margin-bottom: 0.5rem;
}

/* ============================================
   Navigation
   ============================================ */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(254, 253, 251, 0.92);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

#navbar.scrolled .nav-logo {
    color: #432717;
}

#navbar.scrolled .nav-link {
    color: #743c22;
}

#navbar.scrolled .nav-link:hover {
    color: #C4703B;
}

/* ============================================
   Hero
   ============================================ */
.hero-gradient {
    background: linear-gradient(135deg, #61331e 0%, #C4703B 40%, #e47048 70%, #f3bc9c 100%);
}

.hero-circle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.hero-circle-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(244, 179, 130, 0.25) 0%, transparent 70%);
    top: -10%;
    right: -5%;
    animation: float-slow 20s ease-in-out infinite;
}

.hero-circle-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    bottom: 5%;
    left: -5%;
    animation: float-slow 15s ease-in-out infinite reverse;
}

.hero-circle-3 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
    top: 40%;
    left: 15%;
    animation: float-slow 12s ease-in-out infinite;
}

@keyframes float-slow {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 15px) scale(0.95); }
}

/* Hero text animations */
.hero-badge {
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.2s;
}

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

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

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

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

/* ============================================
   Scroll Reveal (below the fold only)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up,
    .reveal-left,
    .reveal-right,
    .reveal-dot {
        opacity: 0;
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    
    .reveal-up {
        transform: translateY(40px);
    }
    
    .reveal-left {
        transform: translateX(-40px);
    }
    
    .reveal-right {
        transform: translateX(40px);
    }
    
    .reveal-dot {
        transform: translateY(20px);
    }
    
    .reveal-up.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed,
    .reveal-dot.revealed {
        opacity: 1;
        transform: translate(0, 0);
    }
}

/* Fallback: ensure content is visible even without JS */
.no-js .reveal-up,
.no-js .reveal-left,
.no-js .reveal-right,
.no-js .reveal-dot {
    opacity: 1;
    transform: none;
}

/* ============================================
   Mobile Menu
   ============================================ */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 500px;
    }
}

.mobile-link {
    font-size: 1.25rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.mobile-link:last-child {
    border-bottom: none;
}

/* ============================================
   Product Cards
   ============================================ */
.reveal-up:nth-child(1) { transition-delay: 0ms; }
.reveal-up:nth-child(2) { transition-delay: 100ms; }
.reveal-up:nth-child(3) { transition-delay: 200ms; }
.reveal-up:nth-child(4) { transition-delay: 0ms; }
.reveal-up:nth-child(5) { transition-delay: 100ms; }
.reveal-up:nth-child(6) { transition-delay: 200ms; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 767px) {
    .font-serif.text-5xl {
        font-size: 2.75rem;
    }
    
    .font-serif.text-6xl {
        font-size: 3rem;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .font-serif.text-5xl {
        font-size: 3.5rem;
    }
}