/* ══ Nhà Hàng Hải Sản Tươi Sống — Shared Styles ══
   Màu accent: Ocean blue #0369a1 — fresh seafood blue
   Để đổi màu thương hiệu: sửa --accent, --accent-h, --accent-light trong :root
*/
:root {
  --bg: #f5f8fa;            /* Nền tổng thể — trắng xanh biển nhẹ */
  --surface: #fff;           /* Card, panel */
  --dark: #060c12;           /* Footer */
  --dark2: #0c1720;          /* Dark section (ocean) */
  --border: #cce0ee;         /* Border mặc định */
  --border-light: #deeef8;   /* Divider nhẹ */
  --text: #0c1820;           /* Text chính */
  --text-2: #4a6880;         /* Text phụ */
  --text-3: #7a9ab8;         /* Text mờ */
  --accent: #0369a1;         /* Ocean blue — CTA, link active */
  --accent-h: #025585;       /* Hover */
  --accent-light: #e0f2fe;   /* Background nhạt */
  --accent-mid: #0284c7;     /* Trung gian */
  --warm: #eef5fa;           /* Background ấm nhẹ */
  --warm2: #dceef8;          /* Background ấm đậm */
  --danger: #e24b4a;
  --sans: 'DM Sans', sans-serif;
  --bs-body-font-family: var(--sans);
  --bs-body-bg: var(--bg);
  --bs-body-color: var(--text);
  --bs-border-color: var(--border);
}

/* ── Reset & Base ── */
html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--bg); color: var(--text); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-thumb { background: var(--warm2); border-radius: 4px; }
img { display: block; }
a { text-decoration: none; }

/* ── Layout ── */
.wd-container { max-width: 1100px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 80px); }
.sec-pad { padding: clamp(72px, 10vw, 128px) 0; }

/* ── Reveal animation ── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
.reveal.visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; }
.reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; }

/* ── Section header ── */
.eyebrow { display: inline-flex; align-items: center; gap: 7px; font-size: 11px; font-weight: 500; color: var(--accent); text-transform: uppercase; letter-spacing: 1.4px; margin-bottom: 14px; }
.eyebrow::before, .eyebrow::after { content: ''; width: 16px; height: 1px; background: var(--accent); }
.sec-title { font-size: clamp(26px, 3.8vw, 44px); font-weight: 600; color: var(--text); line-height: 1.1; letter-spacing: -.8px; margin-bottom: 14px; }
.sec-title em { color: var(--accent); font-style: italic; font-weight: 300; }
.sec-sub { font-size: 15px; font-weight: 300; color: var(--text-2); line-height: 1.75; max-width: 520px; margin: 0 auto; }
.sec-dark .sec-title { color: #fff; }
.sec-dark .sec-sub { color: rgba(255,255,255,.38); }
.sec-dark .eyebrow { color: #38bdf8; }
.sec-dark .eyebrow::before, .sec-dark .eyebrow::after { background: #38bdf8; }

/* ── Navigation (TRANSPARENT → solid) ── */
#nav { position: fixed; top: 0; left: 0; right: 0; z-index: 500; background: rgba(245,248,250,.95); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); transition: all .3s; }
#nav.transparent { background: transparent; border-color: transparent; }
#nav.transparent .logo { color: #fff; }
#nav.transparent .logo span { color: #38bdf8; }
#nav.transparent .nav-links a { color: rgba(255,255,255,.65); }
#nav.transparent .nav-cta { background: #fff; color: var(--dark); }
#nav.transparent .nav-hamburger span { background: rgba(255,255,255,.8); }
.nav-inner { height: 64px; display: flex; align-items: center; justify-content: space-between; }
.logo { font-size: 17px; font-weight: 600; color: var(--text); letter-spacing: -.4px; display: flex; align-items: center; gap: 8px; }
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 28px; }
.nav-links a { font-size: 13.5px; color: var(--text-2); transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-cta { font-size: 13px; font-weight: 500; background: var(--accent); color: #fff; padding: 9px 22px; border-radius: 8px; border: none; cursor: pointer; transition: all .2s; font-family: var(--sans); }
.nav-cta:hover { background: var(--accent-h); color: #fff; transform: translateY(-1px); }
.nav-hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; border: none; background: transparent; }
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--text-2); border-radius: 2px; transition: all .3s; }
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-mobile { position: fixed; inset: 0; background: rgba(245,248,250,.99); backdrop-filter: blur(12px); z-index: 490; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 28px; opacity: 0; pointer-events: none; transition: opacity .3s; }
.nav-mobile.open { opacity: 1; pointer-events: auto; }
.nav-mobile a { font-size: 22px; font-weight: 500; color: var(--text-2); transition: color .2s; }
.nav-mobile a:hover { color: var(--accent); }
.nav-mobile .nm-cta { font-size: 15px; background: var(--accent); color: #fff; padding: 13px 36px; border-radius: 9px; margin-top: 8px; }
@media (max-width: 768px) { .nav-links, .nav-cta { display: none; } .nav-hamburger { display: flex; } }

/* ── Hero (dark ocean) ── */
.hero { min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; padding-top: 64px; background: var(--dark2); }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .35; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(to right, rgba(6,12,18,.92) 0%, rgba(6,12,18,.55) 55%, rgba(6,12,18,.15) 100%); }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; font-size: 11.5px; font-weight: 500; color: rgba(255,255,255,.5); border: 1px solid rgba(56,189,248,.2); padding: 6px 14px; border-radius: 8px; margin-bottom: 22px; background: rgba(56,189,248,.07); }
.hero-title { font-size: clamp(44px, 6.5vw, 88px); font-weight: 600; color: #fff; line-height: 1.04; letter-spacing: -2px; margin-bottom: 18px; }
.hero-title em { color: #38bdf8; font-style: italic; font-weight: 300; }
.hero-sub { font-size: clamp(14px, 1.5vw, 17px); font-weight: 300; color: rgba(255,255,255,.45); line-height: 1.8; max-width: 460px; margin-bottom: 32px; }
.hero-meta { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 36px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.08); }
.hm-item { font-size: 13px; color: rgba(255,255,255,.4); display: flex; align-items: center; gap: 6px; }
.hm-dot { width: 4px; height: 4px; border-radius: 50%; background: #38bdf8; flex-shrink: 0; }

/* ── Wave divider ── */
.wave-divider { position: relative; height: 80px; overflow: hidden; margin-top: -1px; }
.wave-divider svg { position: absolute; bottom: 0; width: 100%; height: 100%; }

/* ── Page hero (sub-pages) ── */
.page-hero { padding: calc(64px + clamp(48px, 6vw, 80px)) 0 clamp(48px, 6vw, 72px); background: var(--dark2); text-align: center; }
.ph-eyebrow { font-size: 11px; font-weight: 500; color: #38bdf8; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 16px; }
.ph-title { font-size: clamp(32px, 4.5vw, 58px); font-weight: 600; color: #fff; line-height: 1.1; letter-spacing: -1px; margin-bottom: 14px; }
.ph-title em { color: #38bdf8; font-style: italic; font-weight: 300; }
.ph-sub { font-size: clamp(14px, 1.4vw, 17px); font-weight: 300; color: rgba(255,255,255,.45); max-width: 500px; margin: 0 auto; }

/* ── Buttons ── */
.btn-accent { font-size: 14px; font-weight: 500; background: var(--accent); color: #fff; padding: 12px 26px; border-radius: 9px; border: none; cursor: pointer; font-family: var(--sans); transition: all .2s; display: inline-block; }
.btn-accent:hover { background: var(--accent-h); transform: translateY(-1px); color: #fff; }
.btn-ghost { font-size: 14px; font-weight: 400; background: transparent; color: var(--text-2); padding: 12px 26px; border-radius: 9px; border: 1px solid var(--border); cursor: pointer; font-family: var(--sans); transition: all .2s; display: inline-block; }
.btn-ghost:hover { background: var(--warm); color: var(--text); }
.btn-white { font-size: 14px; font-weight: 500; background: #fff; color: var(--dark); padding: 12px 26px; border-radius: 9px; border: none; cursor: pointer; font-family: var(--sans); transition: all .2s; display: inline-block; }
.btn-white:hover { background: var(--warm); transform: translateY(-1px); }

/* ── Promise cards ── */
.promise-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 28px 24px; transition: transform .25s, box-shadow .25s; text-align: center; }
.promise-card:hover { transform: translateY(-5px); box-shadow: 0 14px 44px rgba(3,105,161,.1); }
.pc-icon { width: 56px; height: 56px; background: var(--accent-light); border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 26px; margin: 0 auto 16px; }
.pc-title { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.pc-desc { font-size: 13px; font-weight: 300; color: var(--text-2); line-height: 1.65; }

/* ── Seafood card ── */
.seafood-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; transition: transform .28s cubic-bezier(.16,1,.3,1), box-shadow .28s; }
.seafood-card:hover { transform: translateY(-6px); box-shadow: 0 20px 52px rgba(3,105,161,.1); }
.seafood-card:hover .sfc-img { transform: scale(1.07); }
.sfc-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform .5s ease; }
.sfc-body { padding: 16px 18px; }
.sfc-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.sfc-name { font-size: 15px; font-weight: 600; color: var(--text); letter-spacing: -.3px; }
.sfc-badge { font-size: 10px; font-weight: 500; padding: 3px 9px; border-radius: 6px; flex-shrink: 0; margin-top: 2px; }
.badge-fresh { background: var(--accent-light); color: var(--accent); }
.badge-frozen { background: #e0e7ff; color: #4338ca; }
.sfc-desc { font-size: 13px; font-weight: 300; color: var(--text-2); line-height: 1.6; margin-bottom: 10px; }
.sfc-price { font-size: 15px; font-weight: 600; color: var(--accent); }
.sfc-unit { font-size: 12px; font-weight: 300; color: var(--text-3); margin-left: 2px; }

/* ── Catch-to-table story ── */
.catch-story { background: var(--dark2); }
.cs-image { border-radius: 16px; overflow: hidden; aspect-ratio: 4/5; }
.cs-image img { width: 100%; height: 100%; object-fit: cover; }
.cs-step { display: flex; gap: 14px; align-items: flex-start; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.06); }
.cs-step:last-child { border-bottom: none; }
.cs-step-num { width: 32px; height: 32px; background: rgba(56,189,248,.15); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; color: #38bdf8; flex-shrink: 0; }
.cs-step-text { font-size: 13.5px; font-weight: 300; color: rgba(255,255,255,.55); line-height: 1.65; }
.cs-step-title { font-size: 14px; font-weight: 500; color: #fff; margin-bottom: 4px; }

/* ── Aquarium section ── */
.aquarium-section { background: var(--bg); }
.aq-img { border-radius: 16px; overflow: hidden; aspect-ratio: 3/2; }
.aq-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.aq-img:hover img { transform: scale(1.04); }
.aq-feature { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 20px; }
.aq-icon { width: 40px; height: 40px; background: var(--accent-light); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.aq-feat-title { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 3px; }
.aq-feat-desc { font-size: 13px; font-weight: 300; color: var(--text-2); line-height: 1.6; }

/* ── Review card ── */
.rv { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 24px; height: 100%; }
.rv-stars { color: #f59e0b; font-size: 13px; letter-spacing: 2px; margin-bottom: 14px; }
.rv-text { font-size: 13.5px; font-weight: 300; color: var(--text-2); line-height: 1.75; margin-bottom: 18px; font-style: italic; }
.rv-foot { display: flex; align-items: center; gap: 10px; padding-top: 14px; border-top: 1px solid var(--border-light); }
.rv-av { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.rv-name { font-size: 13px; font-weight: 500; color: var(--text); }
.rv-role { font-size: 11.5px; color: var(--text-3); }

/* ── CTA section ── */
.cta-sec { background: var(--accent); padding: clamp(64px, 9vw, 100px) 0; text-align: center; position: relative; overflow: hidden; }
.cta-sec::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(0,0,0,.12) 0%, transparent 55%); }
.cta-title { font-size: clamp(26px, 4vw, 50px); font-weight: 600; color: #fff; line-height: 1.1; margin-bottom: 12px; letter-spacing: -.8px; position: relative; }
.cta-sub { font-size: 15px; font-weight: 300; color: rgba(255,255,255,.7); margin-bottom: 28px; position: relative; }

/* ── Footer ── */
footer { background: var(--dark); }
.ft-logo { font-size: 18px; font-weight: 600; color: #fff; letter-spacing: -.4px; margin-bottom: 12px; }
.ft-logo span { color: #38bdf8; }
.ft-desc { font-size: 13px; font-weight: 300; color: rgba(255,255,255,.35); line-height: 1.7; max-width: 240px; margin-bottom: 20px; }
.ft-socials { display: flex; gap: 8px; }
.ft-soc { width: 33px; height: 33px; border-radius: 8px; border: 1px solid rgba(255,255,255,.09); color: rgba(255,255,255,.35); display: flex; align-items: center; justify-content: center; font-size: 12px; cursor: pointer; transition: all .15s; }
.ft-soc:hover { border-color: rgba(255,255,255,.28); color: rgba(255,255,255,.8); }
.ft-col-title { font-size: 11px; font-weight: 600; color: rgba(255,255,255,.55); text-transform: uppercase; letter-spacing: .8px; margin-bottom: 14px; }
.ft-links { display: flex; flex-direction: column; gap: 9px; }
.ft-links a { font-size: 13px; font-weight: 300; color: rgba(255,255,255,.35); transition: color .15s; }
.ft-links a:hover { color: rgba(255,255,255,.75); }
.ft-bottom { background: #020609; border-top: 1px solid rgba(255,255,255,.04); }
.ft-copy { font-size: 12px; font-weight: 300; color: rgba(255,255,255,.18); }

/* ── Form base ── */
.form-label { font-size: 12px; font-weight: 500; color: var(--text-2); margin-bottom: 5px; display: block; }
.form-control, .form-select { font-family: var(--sans); font-size: 14px; font-weight: 300; color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: .5rem .75rem; transition: border-color .15s, box-shadow .15s; background: var(--surface); }
.form-control:focus, .form-select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(3,105,161,.1); outline: none; color: var(--text); }

/* ── Zalo float ── */
.zf { position: fixed; bottom: 26px; right: 26px; z-index: 400; display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.zf-tip { font-size: 12px; background: var(--dark); color: rgba(255,255,255,.75); padding: 6px 12px; border-radius: 6px; opacity: 0; transform: translateX(6px); transition: all .2s; pointer-events: none; white-space: nowrap; border: 1px solid rgba(255,255,255,.08); }
.zf:hover .zf-tip { opacity: 1; transform: none; }
.zf-btn { width: 48px; height: 48px; border-radius: 50%; background: #0068FF; display: flex; align-items: center; justify-content: center; border: none; font-size: 22px; box-shadow: 0 4px 18px rgba(0,104,255,.38); transition: transform .2s; cursor: pointer; }
.zf-btn:hover { transform: scale(1.09); }

/* ── Stat block ── */
.stat-num { font-size: clamp(28px, 4vw, 44px); font-weight: 600; color: #fff; letter-spacing: -1px; line-height: 1; }
.stat-label { font-size: 12px; color: rgba(255,255,255,.4); margin-top: 4px; }

/* ── Menu page (thuc-don.html) ── */
.menu-cat-title { font-size: 18px; font-weight: 600; color: var(--text); letter-spacing: -.4px; padding-bottom: 10px; border-bottom: 2px solid var(--accent-light); margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.menu-item-row { display: flex; align-items: flex-start; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--border-light); }
.menu-item-row:last-child { border-bottom: none; }
.mir-img { width: 72px; height: 72px; border-radius: 10px; object-fit: cover; flex-shrink: 0; }
.mir-info { flex: 1; }
.mir-name { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 3px; }
.mir-desc { font-size: 12.5px; font-weight: 300; color: var(--text-2); line-height: 1.55; }
.mir-price { font-size: 14px; font-weight: 600; color: var(--accent); flex-shrink: 0; }
.mir-badge { display: inline-block; font-size: 10px; font-weight: 500; padding: 2px 8px; border-radius: 5px; margin-left: 6px; }

/* ── Commitment page ── */
.commit-step { display: flex; gap: 20px; align-items: flex-start; padding: 24px 0; border-bottom: 1px solid var(--border-light); }
.commit-step:last-child { border-bottom: none; }
.commit-num { width: 44px; height: 44px; background: var(--accent); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 700; color: #fff; flex-shrink: 0; }
.commit-title { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.commit-desc { font-size: 13.5px; font-weight: 300; color: var(--text-2); line-height: 1.7; }

/* ── Booking form ── */
.booking-form-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 32px; }

/* ── Contact info ── */
.contact-box { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 24px; }
.cb-icon { width: 44px; height: 44px; background: var(--accent-light); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 12px; }
.cb-label { font-size: 11px; font-weight: 500; color: var(--text-3); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.cb-val { font-size: 14px; font-weight: 500; color: var(--text); }
