/* ===== SUSHIKOI — STYLES ===== */

/* ---------- VARIABLES ---------- */
:root {
    --koi-orange: #ff6b6b;
    --koi-orange-dark: #e85d5d;
    --koi-black: #1a1a1a;
    --koi-dark: #0f0f0f;
    --koi-gray: #f4f4f4;
    --koi-white: #ffffff;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
    --shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* ---------- BASE ---------- */
body {
    font-family: var(--font-body);
    background: var(--koi-white);
    color: var(--koi-black);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
}

section { position: relative; }

.py-section { padding: 5rem 0; }

.text-orange { color: var(--koi-orange) !important; }
.bg-orange { background-color: var(--koi-orange) !important; }
.bg-black { background-color: var(--koi-black) !important; }

/* ---------- BUTTONS ---------- */
.btn-primary {
    background: var(--koi-orange);
    border: none;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--koi-orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 107, 107, 0.4);
}

.btn-outline-light {
    border: 2px solid rgba(255,255,255,0.7);
    border-radius: 50px;
    padding: 12px 30px;
    font-weight: 600;
}

.btn-outline-light:hover {
    background: var(--koi-white);
    color: var(--koi-black);
    border-color: var(--koi-white);
}

.btn-orange {
    background: var(--koi-orange);
    color: white;
    border: none;
    border-radius: 5px;
    transition: var(--transition);
}

.btn-orange:hover {
    background: var(--koi-orange-dark);
    color: white;
    transform: translateY(-2px);
}

/* ---------- NAVBAR ---------- */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    padding: 1rem 0;
}

.navbar-brand {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
}

.brand-orange { color: var(--koi-orange); }

.nav-link {
    font-weight: 500;
    color: var(--koi-black);
    margin: 0 10px;
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--koi-orange);
}

.btn-cta {
    background: var(--koi-black);
    color: white !important;
    padding: 8px 20px !important;
    border-radius: 50px;
}

/* ---------- HERO ---------- */
.hero-section {
    height: 100vh;
    min-height: 600px;
    /* Japanese Koi Background with Overlay */
    background: 
        linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.6)),
        url('../img/sushi_mosaic_tray.png'); 
    background-size: cover;
    background-position: center;
    /* Removed fixed attachment to fix visibility issues on mobile/some vp */
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    position: relative;
    overflow: hidden;
}

/* Koi Fish Pseudo-element for specific positioning if needed */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at 70% 50%, rgba(255, 107, 107, 0.1), transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.display-2 { font-size: 4rem; margin-bottom: 1rem; }

/* Animations */
.animate-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

@keyframes fadeInUp {
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- FEATURES ---------- */
.feature-card {
    padding: 2rem;
    border-radius: 15px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.icon-circle {
    width: 80px;
    height: 80px;
    background: rgba(255, 107, 107, 0.1);
    color: var(--koi-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto;
}

/* ---------- FEATURED MENU ---------- */
.koi-divider {
    width: 60px;
    height: 4px;
    background: var(--koi-orange);
    margin: 1rem auto;
    border-radius: 2px;
}

.menu-card {
    border: none;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    height: 100%;
    transition: var(--transition);
}

.menu-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.menu-card img {
    height: 220px;
    object-fit: cover;
}

.menu-card-body { padding: 1.5rem; }
.menu-price { font-weight: 700; color: var(--koi-orange); font-size: 1.1rem; }

/* ---------- SUSHI EDUCATION ---------- */
.edu-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    height: 100%;
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
}

.edu-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.edu-icon {
    font-size: 2.5rem;
    color: var(--koi-orange);
    margin-bottom: 1rem;
}

.edu-card h4 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--koi-black);
}

.edu-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ---------- BUILDER ---------- */
#menuTabs .nav-link {
    color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    padding: 8px 24px;
    background: transparent;
    transition: var(--transition);
}

#menuTabs .nav-link:hover {
    color: white;
    border-color: white;
    background: rgba(255,255,255,0.05);
}

#menuTabs .nav-link.active {
    background: var(--koi-orange);
    color: white;
    border-color: var(--koi-orange);
}

.step-indicator {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

.step.active { color: var(--koi-orange); font-weight: 700; }
.line { width: 30px; height: 1px; background: rgba(255,255,255,0.2); }

.builder-option {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.builder-option:hover {
    background: rgba(255,255,255,0.1);
}

.builder-option.selected {
    border-color: var(--koi-orange);
    background: rgba(255, 107, 107, 0.1);
}

.tray-preview-card {
    background: var(--koi-dark);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.tray-visual {
    min-height: 200px;
    background: #000;
    border-radius: 10px;
    margin: 1rem 0;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    padding: 10px;
    gap: 5px;
    overflow: hidden;
}

.tray-slot {
    width: calc(25% - 3.75px); /* 4 items per row */
    aspect-ratio: 1;
    background: #222;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    color: #444;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.tray-slot.filled {
    background: var(--koi-white); 
    border: 1px solid var(--koi-orange);
}

.tray-slot img {
    width: 100%; height: 100%; object-fit: cover;
}

.tray-slot:hover::after {
    content: "×";
    position: absolute;
    inset: 0;
    background: rgba(255,0,0,0.5);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.selectable-item {
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.02);
    border-radius: 8px;
    padding: 10px;
}

.selectable-item:hover {
    border-color: var(--koi-orange);
}

.menu-scroll-container {
    max-height: 400px;
    overflow-y: auto;
    padding-right: 10px;
}