/* TRANG-CHU.CSS — Website công khai Phục Hồi Mâm Xe Đà Nẵng (theme vàng-đen thương hiệu) */

:root {
  --c-bg:       #06090f;
  --c-surface:  #0d1420;
  --c-card:     #111827;
  --c-border:   #1e2d45;
  --c-gold:     #c8952a;
  --c-gold-lt:  #e8b84b;
  --c-gold-dim: rgba(200,149,42,.15);
  --c-white:    #f5f0e8;
  --c-muted:    #8a96a8;
  --c-accent:   #3b82f6;
  --c-success:  #22c55e;
  --f-display:  'Cormorant Garamond', Georgia, serif;
  --f-body:     'DM Sans', sans-serif;
  --f-mono:     'Space Mono', monospace;
  --r-card:     16px;
  --r-btn:      10px;
  --shadow-card: 0 4px 32px rgba(0,0,0,.5);
  --shadow-gold: 0 4px 24px rgba(200,149,42,.25);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--f-body); background: var(--c-bg); color: var(--c-white); min-height: 100vh; overflow-x: hidden; }

body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 0; opacity: .5;
}

h1, h2, h3, h4 { font-family: var(--f-display); line-height: 1.15; }
.gold { color: var(--c-gold); }
.mono { font-family: var(--f-mono); }

@keyframes fadeUp { from { opacity:0; transform:translateY(28px); } to { opacity:1; transform:none; } }
@keyframes spin-slow { to { transform: rotate(360deg); } }
@keyframes pulse-ring { 0%,100% { box-shadow: 0 0 0 0 rgba(200,149,42,.4); } 50% { box-shadow: 0 0 0 14px rgba(200,149,42,0); } }

.reveal { opacity:0; transform:translateY(28px); }
.reveal.show { animation: fadeUp .7s cubic-bezier(.22,.68,0,1.2) forwards; }
.stagger-1 { animation-delay: .1s !important; } .stagger-2 { animation-delay: .2s !important; }
.stagger-3 { animation-delay: .3s !important; } .stagger-4 { animation-delay: .4s !important; }
.stagger-5 { animation-delay: .5s !important; } .stagger-6 { animation-delay: .6s !important; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--c-surface); }
::-webkit-scrollbar-thumb { background: var(--c-gold); border-radius: 3px; }

/* ─── HEADER ─────────────────────────────────────────── */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(6,9,15,.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid var(--c-border); padding: 0 2rem; }
.header-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo-wrap { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-img { width: 44px; height: 44px; object-fit: contain; filter: drop-shadow(0 0 8px rgba(200,149,42,.5)); }
.logo-name { font-family: var(--f-display); font-size: 1.35rem; font-weight: 600; color: var(--c-white); letter-spacing: .02em; }
.logo-name span { color: var(--c-gold); }

.header-nav { display: flex; align-items: center; gap: 8px; }
.nav-link { font-size: .82rem; font-weight: 500; color: var(--c-muted); text-decoration: none; padding: 7px 14px; border-radius: 8px; transition: all .2s; border: 1px solid transparent; background: none; cursor: pointer; font-family: var(--f-body); letter-spacing: .02em; }
.nav-link:hover { color: var(--c-white); background: rgba(255,255,255,.06); border-color: var(--c-border); }
.nav-btn-gold { font-size: .82rem; font-weight: 600; color: var(--c-bg); background: var(--c-gold); padding: 8px 18px; border-radius: 8px; border: none; cursor: pointer; font-family: var(--f-body); transition: all .2s; letter-spacing: .03em; }
.nav-btn-gold:hover { background: var(--c-gold-lt); transform: translateY(-1px); box-shadow: var(--shadow-gold); }
.nav-phone { display: flex; align-items: center; gap: 8px; padding: 8px 16px; border: 1px solid rgba(200,149,42,.4); border-radius: 8px; color: var(--c-gold); text-decoration: none; font-size: .82rem; font-weight: 600; transition: all .2s; font-family: var(--f-mono); }
.nav-phone:hover { background: var(--c-gold-dim); border-color: var(--c-gold); }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; border-radius: 8px; transition: background .2s; }
.hamburger:hover { background: rgba(255,255,255,.07); }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--c-white); border-radius: 2px; transition: all .3s; }

/* ─── MOBILE SIDEBAR ─────────────────────────────────── */
.sidebar-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.7); backdrop-filter: blur(4px); opacity: 0; pointer-events: none; transition: opacity .3s; z-index: 200; }
.sidebar-overlay.active { opacity:1; pointer-events:all; }
#mobile-sidebar { position: fixed; top:0; left:0; width: 300px; height:100vh; background: var(--c-surface); border-right: 1px solid var(--c-border); transform: translateX(-100%); transition: transform .35s cubic-bezier(.22,.68,0,1); z-index: 300; overflow-y: auto; padding: 2rem 1.5rem; }
#mobile-sidebar.open { transform: none; }
.sidebar-logo { display: flex; align-items:center; gap:10px; margin-bottom: 2.5rem; }
.sidebar-logo img { width:40px; height:40px; object-fit:contain; }
.sidebar-logo span { font-family:var(--f-display); font-size:1.1rem; color:var(--c-white); }
.sidebar-close { position: absolute; top:1.5rem; right:1.5rem; background:none; border:none; color:var(--c-muted); cursor:pointer; font-size:1.1rem; }
.sidebar-nav a, .sidebar-nav button { display:block; width:100%; text-align:left; padding:12px 16px; border-radius:10px; color:var(--c-muted); font-size:.9rem; background:none; border:none; cursor:pointer; font-family:var(--f-body); text-decoration:none; transition:all .2s; margin-bottom:4px; }
.sidebar-nav a:hover, .sidebar-nav button:hover { background: rgba(200,149,42,.1); color: var(--c-gold); }
.sidebar-call { display:block; margin-top:1.5rem; background:var(--c-gold); color:var(--c-bg) !important; text-align:center !important; font-weight:700 !important; border-radius:10px; padding:14px !important; }
.sidebar-call:hover { background:var(--c-gold-lt) !important; }

.gold-line { width: 48px; height: 2px; background: linear-gradient(90deg, var(--c-gold), transparent); border-radius: 2px; margin: 1rem auto; }
.gold-line.left { margin-left: 0; }
.section-label { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .15em; text-transform: uppercase; color: var(--c-gold); display: block; margin-bottom: .5rem; }

/* ─── HERO ───────────────────────────────────────────── */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse 80% 70% at 70% 50%, rgba(200,149,42,.08) 0%, transparent 60%), radial-gradient(ellipse 50% 60% at 10% 80%, rgba(59,130,246,.06) 0%, transparent 50%), var(--c-bg); }
.hero-ring { position: absolute; right: 5%; top: 50%; transform: translateY(-50%); width: min(560px, 55vw); height: min(560px, 55vw); border-radius: 50%; border: 1px solid rgba(200,149,42,.12); display: flex; align-items: center; justify-content: center; }
.hero-ring::before { content: ''; position: absolute; inset: 24px; border-radius: 50%; border: 1px solid rgba(200,149,42,.08); }
.hero-ring::after { content: ''; position: absolute; inset: 60px; border-radius: 50%; background: radial-gradient(circle, rgba(200,149,42,.06) 0%, transparent 70%); }
.hero-wheel-icon { font-size: clamp(8rem, 18vw, 15rem); color: rgba(200,149,42,.08); animation: spin-slow 30s linear infinite; line-height: 1; user-select: none; }
.hero-logo-center { position: absolute; width: 110px; height: 110px; object-fit: contain; filter: drop-shadow(0 0 40px rgba(200,149,42,.5)); animation: pulse-ring 3s ease-in-out infinite; }

.hero-content { position: relative; z-index: 2; max-width: 1200px; margin: 0 auto; padding: 0 2rem; width: 100%; }
.hero-eyebrow { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--c-gold); margin-bottom: 1.5rem; display: flex; align-items: center; gap: 12px; }
.hero-eyebrow::before { content: ''; width: 32px; height: 1px; background: var(--c-gold); flex-shrink: 0; }
.hero-h1 { font-size: clamp(2.8rem, 6vw, 5.2rem); font-weight: 300; line-height: 1.08; max-width: 620px; color: var(--c-white); }
.hero-h1 em { font-style: italic; color: var(--c-gold); }
.hero-h1 strong { font-weight: 700; display: block; }
.hero-sub { margin-top: 1.5rem; max-width: 480px; font-size: 1rem; line-height: 1.7; color: var(--c-muted); font-weight: 300; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2rem; }
.hero-tag { font-size: .75rem; font-family: var(--f-mono); letter-spacing: .06em; padding: 5px 12px; border: 1px solid rgba(200,149,42,.3); border-radius: 4px; color: var(--c-gold); background: rgba(200,149,42,.06); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 2.5rem; }

.btn-gold { display: inline-flex; align-items: center; gap: 8px; background: var(--c-gold); color: var(--c-bg); font-family: var(--f-body); font-weight: 600; font-size: .9rem; padding: 14px 28px; border-radius: var(--r-btn); border: none; cursor: pointer; text-decoration: none; transition: all .25s; letter-spacing: .02em; }
.btn-gold:hover { background: var(--c-gold-lt); transform: translateY(-2px); box-shadow: var(--shadow-gold); }
.btn-outline-gold { display: inline-flex; align-items: center; gap: 8px; background: transparent; color: var(--c-white); font-family: var(--f-body); font-weight: 500; font-size: .9rem; padding: 13px 26px; border-radius: var(--r-btn); border: 1px solid rgba(255,255,255,.2); cursor: pointer; text-decoration: none; transition: all .25s; }
.btn-outline-gold:hover { border-color: rgba(200,149,42,.5); color: var(--c-gold); background: rgba(200,149,42,.06); }

.hero-stats { display: flex; gap: 48px; margin-top: 3.5rem; padding-top: 2.5rem; border-top: 1px solid var(--c-border); flex-wrap: wrap; }
.hero-stat-num { font-family: var(--f-display); font-size: 2.4rem; font-weight: 600; color: var(--c-gold); line-height: 1; }
.hero-stat-label { font-size: .78rem; color: var(--c-muted); margin-top: 4px; letter-spacing: .04em; }

/* ─── SECTION WRAPPER ────────────────────────────────── */
.section { max-width: 1200px; margin: 0 auto; padding: 5rem 2rem; }
.section-head { text-align: center; margin-bottom: 3.5rem; }
.section-title { font-size: clamp(2rem, 4vw, 3rem); font-weight: 600; color: var(--c-white); }
.section-desc { margin-top: .75rem; color: var(--c-muted); font-size: .95rem; max-width: 520px; margin-left: auto; margin-right: auto; line-height: 1.7; }

/* ─── PROCESS STEPS ──────────────────────────────────── */
.process-section { background: var(--c-surface); border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border); }
.process-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--c-border); border: 1px solid var(--c-border); border-radius: 16px; overflow: hidden; }
.process-step { background: var(--c-surface); padding: 2rem 1.25rem; text-align: center; position: relative; transition: background .3s; }
.process-step:hover { background: rgba(200,149,42,.05); }
.step-num { font-family: var(--f-mono); font-size: .65rem; color: var(--c-gold); letter-spacing: .12em; display: block; margin-bottom: 1rem; }
.step-icon { width: 44px; height: 44px; margin: 0 auto 1rem; border-radius: 12px; background: var(--c-gold-dim); border: 1px solid rgba(200,149,42,.25); display: flex; align-items: center; justify-content: center; color: var(--c-gold); font-size: 1rem; transition: all .3s; }
.process-step:hover .step-icon { background: var(--c-gold); color: var(--c-bg); }
.step-name { font-weight: 600; font-size: .88rem; color: var(--c-white); margin-bottom: .35rem; }
.step-desc { font-size: .76rem; color: var(--c-muted); line-height: 1.5; }

/* ─── SERVICE CARDS ──────────────────────────────────── */
.services-section { background: var(--c-bg); }
.plans-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.plan-card { background: var(--c-card); border: 1px solid var(--c-border); border-radius: 20px; overflow: hidden; transition: all .35s cubic-bezier(.22,.68,0,1.2); position: relative; }
.plan-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--c-gold), transparent); opacity: 0; transition: opacity .35s; }
.plan-card:hover { transform: translateY(-6px); border-color: rgba(200,149,42,.35); box-shadow: 0 20px 50px rgba(0,0,0,.5), var(--shadow-gold); }
.plan-card:hover::before { opacity: 1; }
.plan-card.featured { border-color: rgba(200,149,42,.4); background: linear-gradient(145deg, var(--c-card) 0%, rgba(200,149,42,.04) 100%); }
.plan-card.featured::before { opacity: 1; }
.plan-badge { position: absolute; top: 1.25rem; right: 1.25rem; font-family: var(--f-mono); font-size: .6rem; letter-spacing: .1em; text-transform: uppercase; background: var(--c-gold); color: var(--c-bg); padding: 3px 10px; border-radius: 20px; font-weight: 700; }
.plan-body { padding: 2rem; }
.plan-icon { width: 52px; height: 52px; border-radius: 14px; background: var(--c-gold-dim); border: 1px solid rgba(200,149,42,.2); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; color: var(--c-gold); margin-bottom: 1.25rem; }
.plan-name { font-size: 1.35rem; font-weight: 600; color: var(--c-white); margin-bottom: .5rem; }
.plan-desc { font-size: .85rem; color: var(--c-muted); line-height: 1.6; margin-bottom: 1.5rem; }
.plan-price { font-family: var(--f-display); font-size: 2rem; color: var(--c-gold); font-weight: 600; margin-bottom: 1.5rem; }
.plan-price span { font-size: .85rem; color: var(--c-muted); font-family: var(--f-body); font-weight: 400; }
.plan-features { list-style: none; margin-bottom: 1.75rem; }
.plan-features li { display: flex; align-items: center; gap: 10px; font-size: .87rem; color: #c8d0dc; padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,.04); }
.plan-features li:last-child { border: none; }
.plan-features li i { width: 18px; color: var(--c-gold); font-size: .75rem; flex-shrink: 0; }
.plan-btn { display: block; width: 100%; text-align: center; padding: 13px; border-radius: 10px; font-weight: 600; font-size: .88rem; border: none; cursor: pointer; font-family: var(--f-body); transition: all .25s; }
.plan-btn-gold { background: var(--c-gold); color: var(--c-bg); }
.plan-btn-gold:hover { background: var(--c-gold-lt); box-shadow: var(--shadow-gold); }
.plan-btn-outline { background: transparent; color: var(--c-white); border: 1px solid var(--c-border) !important; }
.plan-btn-outline:hover { border-color: rgba(200,149,42,.4) !important; color: var(--c-gold); background: rgba(200,149,42,.06); }
.plan-warranty { text-align: center; margin-top: 1rem; font-size: .75rem; color: var(--c-muted); font-family: var(--f-mono); letter-spacing: .06em; }

/* ─── FAQ ────────────────────────────────────────────── */
.faq-section { background: var(--c-surface); border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border); }
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--c-border); }
.faq-q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.4rem 0; background: none; border: none; color: var(--c-white); font-family: var(--f-body); font-size: .95rem; font-weight: 500; text-align: left; cursor: pointer; transition: color .2s; }
.faq-q:hover { color: var(--c-gold); }
.faq-q-icon { width: 28px; height: 28px; border-radius: 8px; border: 1px solid var(--c-border); display: flex; align-items: center; justify-content: center; font-size: .75rem; color: var(--c-gold); flex-shrink: 0; transition: all .3s; }
.faq-item.open .faq-q-icon { background: var(--c-gold); color: var(--c-bg); border-color: var(--c-gold); transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s cubic-bezier(.4,0,.2,1), padding .3s; }
.faq-item.open .faq-a { max-height: 300px; }
.faq-a-inner { padding: 0 0 1.4rem; color: var(--c-muted); font-size: .9rem; line-height: 1.75; }

/* ─── MAP ────────────────────────────────────────────── */
.map-section { background: var(--c-bg); }
.map-wrap { border-radius: 20px; overflow: hidden; border: 1px solid var(--c-border); box-shadow: var(--shadow-card); }
.map-wrap iframe { display: block; width: 100%; height: 420px; border: 0; }
.map-address { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 1.25rem; font-size: .9rem; color: var(--c-muted); }
.map-address i { color: var(--c-gold); }

/* ─── TESTIMONIALS ───────────────────────────────────── */
.testi-section { background: var(--c-surface); border-top: 1px solid var(--c-border); }
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.testi-card { background: var(--c-card); border: 1px solid var(--c-border); border-radius: 16px; padding: 1.75rem; position: relative; transition: all .3s; }
.testi-card:hover { border-color: rgba(200,149,42,.3); transform: translateY(-4px); }
.testi-card::before { content: '"'; position: absolute; top: 1rem; right: 1.5rem; font-family: var(--f-display); font-size: 4rem; color: rgba(200,149,42,.12); line-height: 1; }
.testi-stars { color: var(--c-gold); font-size: .85rem; margin-bottom: .85rem; letter-spacing: 2px; }
.testi-text { font-size: .88rem; line-height: 1.75; color: #b0bcc8; margin-bottom: 1.25rem; }
.testi-author { font-size: .78rem; font-weight: 600; color: var(--c-white); font-family: var(--f-mono); letter-spacing: .06em; }

/* ─── CTA BANNER ─────────────────────────────────────── */
.cta-section { position: relative; overflow: hidden; background: var(--c-card); border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border); }
.cta-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 60% 100% at 0% 50%, rgba(200,149,42,.12) 0%, transparent 60%), radial-gradient(ellipse 40% 80% at 100% 50%, rgba(59,130,246,.07) 0%, transparent 50%); pointer-events: none; }
.cta-inner { position: relative; max-width: 1200px; margin: 0 auto; padding: 5rem 2rem; text-align: center; }
.cta-title { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 300; margin-bottom: 1rem; color: var(--c-white); }
.cta-title em { font-style: italic; color: var(--c-gold); }
.cta-sub { color: var(--c-muted); font-size: 1rem; margin-bottom: 2.5rem; max-width: 400px; margin-left: auto; margin-right: auto; }
.cta-btns { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }

/* ─── FOOTER ─────────────────────────────────────────── */
.footer { background: var(--c-surface); border-top: 1px solid var(--c-border); padding: 3rem 2rem 2rem; }
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 3rem; flex-wrap: wrap; margin-bottom: 2.5rem; padding-bottom: 2.5rem; border-bottom: 1px solid var(--c-border); }
.footer-brand { max-width: 300px; }
.footer-brand img { width: 48px; height: 48px; object-fit: contain; filter: drop-shadow(0 0 6px rgba(200,149,42,.4)); margin-bottom: .75rem; }
.footer-brand p { font-family: var(--f-display); font-size: 1.2rem; color: var(--c-white); margin-bottom: .5rem; }
.footer-brand small { font-size: .8rem; color: var(--c-muted); line-height: 1.6; display: block; }
.footer-links h4 { font-size: .75rem; font-family: var(--f-mono); letter-spacing: .12em; color: var(--c-gold); text-transform: uppercase; margin-bottom: 1rem; }
.footer-links a { display: block; color: var(--c-muted); text-decoration: none; font-size: .85rem; margin-bottom: .5rem; transition: color .2s; }
.footer-links a:hover { color: var(--c-white); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.footer-copy { font-size: .78rem; color: var(--c-muted); }
.footer-stats { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-stat { font-size: .78rem; color: var(--c-muted); display: flex; align-items: center; gap: 6px; }
.footer-stat i { color: var(--c-gold); font-size: .7rem; }
#visitor-count { font-size: .8rem; color: var(--c-muted); }
#visitor-count strong { color: var(--c-gold); }

/* ─── MODALS ─────────────────────────────────────────── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.75); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); display: flex; align-items: center; justify-content: center; z-index: 9999; opacity: 0; visibility: hidden; transition: all .3s cubic-bezier(.25,.46,.45,.94); }
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-hidden { display: none !important; }
.modal-content { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 20px; box-shadow: 0 40px 80px rgba(0,0,0,.6), 0 0 0 1px rgba(200,149,42,.08); max-width: 90vw; width: 100%; margin: 1rem; transform: translateY(16px) scale(.97); transition: all .35s cubic-bezier(.25,.46,.45,.94); overflow: hidden; }
.modal-overlay.active .modal-content { transform: none; }
.modal-header { display: flex; align-items: flex-start; justify-content: space-between; padding: 1.75rem 1.75rem 1.25rem; border-bottom: 1px solid var(--c-border); }
.modal-title { font-size: 1.4rem; font-weight: 600; color: var(--c-white); font-family: var(--f-display); margin-bottom: .3rem; }
.modal-sub { font-size: .82rem; color: var(--c-muted); }
.modal-close { background: rgba(255,255,255,.06); border: 1px solid var(--c-border); color: var(--c-muted); cursor: pointer; width: 36px; height: 36px; border-radius: 9px; display: flex; align-items: center; justify-content: center; font-size: .9rem; transition: all .2s; flex-shrink: 0; }
.modal-close:hover { background: rgba(200,149,42,.1); color: var(--c-gold); border-color: rgba(200,149,42,.3); }
.modal-body { padding: 1.75rem; overflow-y: auto; max-height: calc(90vh - 110px); }
.modal-body::-webkit-scrollbar { width: 4px; }
.modal-body::-webkit-scrollbar-track { background: var(--c-card); }
.modal-body::-webkit-scrollbar-thumb { background: var(--c-gold); border-radius: 2px; }

/* Form Inputs */
.form-label { display: block; font-size: .8rem; font-weight: 500; color: var(--c-muted); margin-bottom: 6px; letter-spacing: .03em; text-transform: uppercase; font-family: var(--f-mono); }
.form-input { width: 100%; background: var(--c-card); border: 1px solid var(--c-border); color: var(--c-white); padding: 11px 14px; border-radius: 10px; font-family: var(--f-body); font-size: .9rem; outline: none; transition: all .2s; }
.form-input::placeholder { color: #3d4a5c; }
.form-input:focus { border-color: var(--c-gold); box-shadow: 0 0 0 3px rgba(200,149,42,.12); }
select.form-input { appearance: none; }
.form-group { margin-bottom: 1.1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-submit { width: 100%; padding: 14px; background: var(--c-gold); color: var(--c-bg); border: none; border-radius: 10px; font-family: var(--f-body); font-weight: 700; font-size: .95rem; cursor: pointer; transition: all .25s; margin-top: .5rem; }
.form-submit:hover { background: var(--c-gold-lt); box-shadow: var(--shadow-gold); }
.form-submit:disabled { opacity: .6; cursor: not-allowed; }
.form-note { text-align: center; font-size: .75rem; color: var(--c-muted); margin-top: .75rem; }

/* Thông báo trong form (thay cho alert()) */
.form-msg { display:none; align-items:center; gap:10px; padding:12px 14px; border-radius:10px; font-size:.85rem; margin-bottom:1rem; }
.form-msg.show { display:flex; }
.form-msg.ok { background: rgba(34,197,94,.1); border: 1px solid rgba(34,197,94,.3); color: #4ade80; }
.form-msg.err { background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.3); color: #f87171; }
.form-msg.warn { background: var(--c-gold-dim); border: 1px solid rgba(200,149,42,.3); color: var(--c-gold-lt); }

/* ─── PRICE CALC inside modal ────────────────────────── */
.calc-bg { background: var(--c-card); border-radius: 14px; padding: 1.5rem; }
.wheel-cards { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.wheel-card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 12px; padding: 1.25rem; width: 230px; flex-shrink: 0; transition: border-color .2s; }
.wheel-card:hover { border-color: rgba(200,149,42,.3); }
.wheel-card h3 { font-size: .9rem; font-weight: 600; color: var(--c-gold); margin-bottom: .85rem; font-family: var(--f-display); }
.wheel-card label { display: block; font-size: .72rem; font-family: var(--f-mono); color: var(--c-muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 5px; }
.wheel-card input[type=number], .wheel-card input[type=text] { background: var(--c-card); border: 1px solid var(--c-border); color: var(--c-white); padding: 7px 10px; border-radius: 7px; font-family: var(--f-body); font-size: .85rem; outline: none; transition: border-color .2s; }
.wheel-card input:focus { border-color: var(--c-gold); }
.sizeInput { width: 110px; }
.qtyInput  { width: 70px;  }
.svc-list { margin-top: .75rem; }
.svc-list label { display: flex; align-items: center; gap: 8px; padding: 5px 0; color: #b0bcc8; font-size: .82rem; cursor: pointer; font-family: var(--f-body); text-transform: none; letter-spacing: 0; }
.svc-list input[type=checkbox], .warranty-list input[type=radio] { accent-color: var(--c-gold); }
.warranty-list { margin-top: .75rem; }
.warranty-list label { display: flex; align-items: center; gap: 8px; padding: 4px 0; color: #b0bcc8; font-size: .82rem; cursor: pointer; font-family: var(--f-body); text-transform: none; letter-spacing: 0; }
.wheel-warn { display:none; font-size:.72rem; color: var(--c-gold-lt); margin-top:6px; }
.wheel-warn.show { display:block; }
.calc-add-btn { background: rgba(200,149,42,.12); border: 1px dashed rgba(200,149,42,.3); color: var(--c-gold); padding: 8px 18px; border-radius: 8px; font-size: .83rem; font-family: var(--f-body); cursor: pointer; transition: all .2s; }
.calc-add-btn:hover { background: rgba(200,149,42,.2); }
.promo-wrap { margin-top: 1.25rem; background: var(--c-surface); border: 1px dashed rgba(200,149,42,.25); border-radius: 10px; padding: 1rem; }
.promo-wrap label { font-size: .72rem; font-family: var(--f-mono); color: var(--c-gold); letter-spacing: .1em; text-transform: uppercase; display: block; margin-bottom: .6rem; }
.promo-row { display: flex; gap: 8px; }
.promo-input { flex: 1; background: var(--c-card); border: 1px solid var(--c-border); color: var(--c-white); padding: 8px 12px; border-radius: 8px; font-family: var(--f-body); font-size: .85rem; outline: none; }
.promo-input:focus { border-color: var(--c-gold); }
.promo-apply { background: var(--c-gold); color: var(--c-bg); border: none; padding: 8px 16px; border-radius: 8px; font-size: .83rem; font-weight: 600; cursor: pointer; font-family: var(--f-body); transition: all .2s; }
.promo-apply:hover { background: var(--c-gold-lt); }
.calc-summary { margin-top: 1.25rem; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 12px; overflow: hidden; }
.summary-item { padding: .85rem 1rem; border-bottom: 1px solid var(--c-border); font-size: .85rem; }
.summary-item:last-child { border: none; }
.summary-item-name { color: var(--c-white); font-weight: 500; margin-bottom: .25rem; }
.summary-item-detail { color: var(--c-muted); font-size: .78rem; }
.summary-item-price { color: var(--c-gold); font-weight: 600; text-align: right; margin-top: .25rem; }
.summary-discount { color: #f97316; }
.calc-total { padding: 1rem; display: flex; align-items: center; justify-content: space-between; background: var(--c-card); border-top: 1px solid rgba(200,149,42,.2); }
.total-label { font-family: var(--f-mono); font-size: .75rem; color: var(--c-muted); letter-spacing: .1em; text-transform: uppercase; }
.total-value { font-family: var(--f-display); font-size: 1.8rem; color: var(--c-gold); font-weight: 700; }

/* Lookup results */
.lookup-result { background: var(--c-card); border: 1px solid var(--c-border); border-radius: 14px; overflow: hidden; margin-bottom: 14px; }
.lookup-result-head { background: rgba(200,149,42,.08); padding: 1rem 1.25rem; border-bottom: 1px solid var(--c-border); font-weight: 600; color: var(--c-gold); font-family: var(--f-display); font-size: 1.1rem; }
.lookup-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.lookup-cell { padding: .85rem 1.25rem; border-bottom: 1px solid rgba(255,255,255,.04); border-right: 1px solid rgba(255,255,255,.04); }
.lookup-cell:nth-child(2n) { border-right: none; }
.lookup-cell-label { font-size: .7rem; font-family: var(--f-mono); color: var(--c-muted); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 3px; }
.lookup-cell-val { font-size: .88rem; color: var(--c-white); font-weight: 500; }
.status-badge { display: inline-block; padding: 3px 10px; background: rgba(59,130,246,.15); color: #60a5fa; border: 1px solid rgba(59,130,246,.25); border-radius: 20px; font-size: .75rem; font-family: var(--f-mono); }

/* ─── RESPONSIVE ─────────────────────────────────────── */
@media (max-width: 1024px) { .plans-grid { grid-template-columns: 1fr 1fr; } .process-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) {
  .header-nav { display: none; } .hamburger { display: flex; }
  .hero { min-height: 100svh; padding-top: 4rem; } .hero-ring { display: none; }
  .hero-stats { gap: 2rem; } .plans-grid { grid-template-columns: 1fr; } .testi-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); } .form-row { grid-template-columns: 1fr; }
  .lookup-grid { grid-template-columns: 1fr; } .lookup-cell { border-right: none; }
  .footer-top { flex-direction: column; gap: 2rem; } .footer-bottom { flex-direction: column; align-items: flex-start; }
  .modal-body { padding: 1.25rem; } .modal-header { padding: 1.25rem; }
}
@media (max-width: 480px) {
  .hero-h1 { font-size: 2.4rem; } .hero-cta { flex-direction: column; }
  .hero-cta .btn-gold, .hero-cta .btn-outline-gold { justify-content: center; }
  .process-grid { grid-template-columns: 1fr; } .section { padding: 3.5rem 1.25rem; }
  .cta-btns { flex-direction: column; align-items: center; }
}