/* ================================================
   MIRAI – FUTURE JAPANESE DINING
   Dark Navy, Flowing Particles, Cinematic Elegance
   ================================================ */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Cormorant+Garamond:wght@300;400;500;600&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --font-heading: 'Playfair Display', serif;
  --font-sub: 'Cormorant Garamond', serif;
  --font-body: 'Inter', sans-serif;

  --bg-primary: #030b17;       /* void navy */
  --bg-secondary: #061220;     /* deep tide */
  --bg-card: #0b1c31;          /* wave surface */
  --text-primary: #f0f4ff;
  --text-secondary: #9bb8da;
  --accent: #3b82f6;           /* electric blue */
  --accent-hover: #2563eb;
  --gold: #c9a84c;             /* luxury contrast */
  --border: #1c3253;
  --overlay: rgba(3, 11, 23, 0.75);

  --max-width: 1280px;
  --gap: clamp(1.5rem, 4vw, 3rem);
  --transition: 0.3s ease;
  --shadow: 0 10px 30px rgba(0,0,0,0.5);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; font-size: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { list-style: none; }

/* Loader */
#loader { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: var(--bg-primary); display: flex; align-items: center; justify-content: center; z-index: 9999; transition: opacity 0.5s ease, visibility 0.5s ease; }
#loader.hidden { opacity: 0; visibility: hidden; }
.spinner { width: 50px; height: 50px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Typography */
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.1; font-weight: 600; }
h1 { font-size: clamp(3rem, 8vw, 5.5rem); }
h2 { font-size: clamp(2.2rem, 5vw, 3.5rem); margin-bottom: 1.5rem; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.8rem); font-weight: 500; }
.section-label { text-transform: uppercase; letter-spacing: 0.15em; font-size: 0.85rem; color: var(--accent); font-weight: 500; margin-bottom: 0.8rem; display: inline-block; }

/* Navbar */
.navbar { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; padding: 1.2rem 2rem; display: flex; align-items: center; justify-content: space-between; background: transparent; transition: background var(--transition), padding var(--transition); backdrop-filter: blur(5px); }
.navbar.scrolled { background: rgba(3, 11, 23, 0.95); padding: 0.8rem 2rem; box-shadow: 0 2px 20px rgba(0,0,0,0.6); }
.logo { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 700; color: var(--accent); letter-spacing: 0.05em; }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a { font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 500; position: relative; padding: 0.3rem 0; }
.nav-links a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--accent); transition: width var(--transition); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta { background: var(--accent); color: #fff !important; padding: 0.7rem 1.8rem !important; border-radius: 4px; font-weight: 600; transition: background var(--transition); }
.nav-cta:hover { background: var(--accent-hover); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.hamburger span { width: 28px; height: 2px; background: var(--text-primary); transition: all var(--transition); }

/* Buttons */
.btn { display: inline-block; padding: 1rem 2.2rem; font-family: var(--font-body); font-size: 0.9rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.12em; border-radius: 4px; transition: all var(--transition); cursor: pointer; border: 2px solid transparent; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-outline { background: transparent; border-color: var(--accent); color: var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Hero 3D Canvas */
.hero { height: 100vh; min-height: 650px; position: relative; display: flex; align-items: center; justify-content: center; text-align: center; overflow: hidden; background: var(--bg-primary); }
#hero-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: block; z-index: 0; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to bottom, rgba(3,11,23,0.5), rgba(3,11,23,0.9)); z-index: 1; }
.hero-content { position: relative; z-index: 2; max-width: 900px; padding: 0 2rem; }
.hero-label { text-transform: uppercase; letter-spacing: 0.2em; font-size: 0.9rem; color: var(--accent); margin-bottom: 1rem; }
.hero-title { color: #fff; margin-bottom: 1.5rem; }
.hero-subtitle { font-size: 1.1rem; max-width: 600px; margin: 0 auto 2.5rem; color: var(--text-secondary); }
.hero-buttons { display: flex; gap: 1.2rem; justify-content: center; flex-wrap: wrap; }

/* Sections */
.section { padding: 6rem 2rem; }
.container { max-width: var(--max-width); margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 4rem; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); align-items: center; }
.about-text p { color: var(--text-secondary); margin-bottom: 1.2rem; font-size: 1.05rem; }
.about-image img { border-radius: 8px; box-shadow: var(--shadow); width: 100%; height: 100%; min-height: 400px; object-fit: cover; }

.menu-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }
.menu-card { background: var(--bg-card); border-radius: 8px; overflow: hidden; box-shadow: var(--shadow); transition: transform var(--transition); }
.menu-card:hover { transform: translateY(-8px); }
.menu-card img { width: 100%; height: 220px; object-fit: cover; }
.menu-card-content { padding: 1.5rem; }
.menu-card h4 { font-family: var(--font-heading); font-size: 1.3rem; margin-bottom: 0.5rem; color: var(--accent); }
.menu-card p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 0.8rem; }
.price { color: var(--gold); font-weight: 600; font-size: 1.1rem; }

.gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; }
.gallery-grid img { width: 100%; height: 300px; object-fit: cover; border-radius: 6px; transition: transform var(--transition); }
.gallery-grid img:hover { transform: scale(1.03); }

.testimonial-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.testimonial-card { background: var(--bg-card); padding: 2.5rem; border-radius: 8px; box-shadow: var(--shadow); border-left: 4px solid var(--accent); }
.testimonial-card .quote { font-style: italic; color: var(--text-secondary); margin-bottom: 1.5rem; font-size: 1.05rem; }
.testimonial-card .author { font-weight: 600; color: var(--accent); font-style: normal; }

.reservation-cta { text-align: center; background: var(--bg-secondary); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.reservation-cta p { max-width: 700px; margin: 0 auto 2rem; color: var(--text-secondary); font-size: 1.1rem; }

.footer { background: #010510; padding: 4rem 2rem 2rem; border-top: 1px solid var(--border); }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 2rem; max-width: var(--max-width); margin: 0 auto 2rem; text-align: left; }
.footer-col { flex: 1; min-width: 200px; }
.footer-col h4 { color: var(--accent); margin-bottom: 1rem; font-family: var(--font-heading); }
.footer-col p, .footer-col a { color: var(--text-secondary); font-size: 0.9rem; display: block; margin-bottom: 0.5rem; }
.footer-col a:hover { color: var(--accent); }
.social-links a { display: inline-block; margin: 0 0.6rem; font-size: 1.2rem; }
.footer-bottom { color: var(--text-secondary); font-size: 0.8rem; border-top: 1px solid var(--border); padding-top: 1.5rem; margin-top: 2rem; text-align: center; }

/* Inner Pages */
.page-hero { height: 50vh; min-height: 350px; background-size: cover; background-position: center; position: relative; display: flex; align-items: center; justify-content: center; text-align: center; }
.page-hero::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(3,11,23,0.75); }
.page-hero-content { position: relative; z-index: 2; }
.breadcrumb { color: var(--accent); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.1em; margin-top: 1rem; }
.breadcrumb a { color: var(--accent); }
.breadcrumb span { color: var(--text-secondary); }

/* Form */
.reservation-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 0.4rem; color: var(--text-primary); }
.reservation-form input, .reservation-form textarea, .reservation-form select { width: 100%; padding: 1rem; background: var(--bg-card); border: 1px solid var(--border); color: var(--text-primary); font-family: var(--font-body); font-size: 1rem; border-radius: 4px; }
.reservation-form input:focus, .reservation-form textarea:focus, .reservation-form select:focus { border-color: var(--accent); outline: none; }
.reservation-form button { width: 100%; margin-top: 0.5rem; }
.confirmation-msg { display: none; background: var(--bg-card); padding: 3rem; text-align: center; border-radius: 8px; border: 2px solid var(--accent); }

/* Responsive */
@media (max-width: 768px) {
  .hamburger { display: flex; z-index: 1001; }
  .nav-links { position: fixed; top: 0; right: -100%; width: 75%; height: 100vh; background: var(--bg-primary); flex-direction: column; justify-content: center; padding: 2rem; transition: right 0.4s ease; }
  .nav-links.active { right: 0; }
  .about-grid, .reservation-layout, .contact-grid { grid-template-columns: 1fr; }
  #hero-canvas { display: none; }
  .hero { background: url('https://images.unsplash.com/photo-1553621042-f6e147245754?w=1600&q=80') center/cover no-repeat; }
         }