/* ============================================================
   BYD HC อ้อมน้อย – v3 (KIMI Hero + newfordranger.com/model style)
   ============================================================ */

:root {
  --navy:      #050e1a;
  --navy2:     #0a1628;
  --navy3:     #0e2040;
  --blue:      #0057ff;
  --blue2:     #1a6fff;
  --cyan:      #00c8f0;
  --cyan2:     #00e5ff;
  --accent:    #ff6b00;
  --white:     #ffffff;
  --gray:      #8b9ab5;
  --gray-lt:   #dde6f0;
  --body-bg:   #f4f7fb;
  --card-bg:   #ffffff;
  --font:      'Sarabun', sans-serif;
  --sh:        0 2px 12px rgba(0,0,0,.08);
  --sh2:       0 6px 32px rgba(0,0,0,.14);
  --sh3:       0 12px 56px rgba(0,87,255,.18);
  --r:         12px;
  --tr:        .22s ease;
  --max:       1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); background: var(--body-bg); color: var(--navy2); line-height: 1.65; }
img  { max-width: 100%; height: auto; display: block; }
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }
button { font-family: var(--font); cursor: pointer; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.sec       { padding: 80px 0; }
.sec-sm    { padding: 44px 0; }
.bg-white  { background: var(--white); }
.bg-body   { background: var(--body-bg); }

/* ── Section header ── */
.sh { text-align: center; margin-bottom: 52px; }
.sh-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: linear-gradient(135deg,rgba(0,87,255,.1),rgba(0,200,240,.1));
  border: 1px solid rgba(0,87,255,.2);
  color: var(--blue); font-size: .78rem; font-weight: 700;
  letter-spacing: .8px; text-transform: uppercase;
  padding: 5px 16px; border-radius: 50px; margin-bottom: 14px;
}
.sh-title {
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
  font-weight: 900; line-height: 1.2; color: var(--navy2);
  margin-bottom: 12px;
}
.sh-title .hl { color: var(--blue); }
.sh-sub { color: var(--gray); font-size: 1rem; max-width: 560px; margin: 0 auto; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .95rem; font-weight: 700; border-radius: 10px;
  padding: 13px 28px; border: 2px solid transparent;
  transition: all var(--tr); cursor: pointer; white-space: nowrap;
  font-family: var(--font);
}
.btn-blue   { background: var(--blue); color: var(--white); border-color: var(--blue); box-shadow: 0 4px 20px rgba(0,87,255,.35); }
.btn-blue:hover { background: var(--blue2); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,87,255,.45); }
.btn-cyan   { background: var(--cyan); color: var(--navy); border-color: var(--cyan); }
.btn-cyan:hover { filter: brightness(1.1); transform: translateY(-2px); }
.btn-ghost  { background: rgba(255,255,255,.1); color: var(--white); border-color: rgba(255,255,255,.25); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255,255,255,.2); }
.btn-outline-dark { background: transparent; color: var(--navy2); border-color: var(--gray-lt); }
.btn-outline-dark:hover { background: var(--blue); color: var(--white); border-color: var(--blue); }
.btn-green  { background: #06C755; color: var(--white); border-color: #06C755; box-shadow: 0 4px 16px rgba(6,199,85,.3); }
.btn-green:hover { filter: brightness(1.1); transform: translateY(-2px); }
.btn-sm     { padding: 9px 20px; font-size: .88rem; border-radius: 8px; }
.btn-full   { width: 100%; justify-content: center; }

/* ═══════════════════════════════════════
   HEADER
═══════════════════════════════════════ */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(5,14,26,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: box-shadow .3s;
}
.header-inner {
  display: flex; align-items: center; gap: 20px;
  height: 64px; padding: 0 24px; max-width: var(--max); margin: 0 auto;
}
.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-text { font-size: 1.35rem; font-weight: 900; color: var(--white); letter-spacing: -.5px; }
.logo-text .c { color: var(--cyan); }
.main-nav { margin-left: auto; }
.nav-list { display: flex; gap: 2px; }
.nav-list a {
  display: block; color: rgba(255,255,255,.7); font-size: .9rem; font-weight: 500;
  padding: 7px 15px; border-radius: 8px; transition: all var(--tr);
}
.nav-list a:hover, .nav-list a.active { color: var(--white); background: rgba(255,255,255,.1); }
.nav-list a.active { color: var(--cyan); }
.header-contacts { display: flex; gap: 10px; flex-shrink: 0; }
.hc-phone, .hc-line {
  display: flex; align-items: center; gap: 6px;
  font-size: .85rem; font-weight: 700;
  padding: 8px 16px; border-radius: 8px; transition: all var(--tr);
}
.hc-phone { background: rgba(255,255,255,.08); color: var(--white); border: 1px solid rgba(255,255,255,.12); }
.hc-phone:hover { background: rgba(255,255,255,.16); }
.hc-line  { background: #06C755; color: var(--white); }
.hc-line:hover { filter: brightness(1.1); }
.nav-toggle { display: none; background: none; border: none; color: var(--white); font-size: 1.5rem; margin-left: auto; cursor: pointer; }

/* ═══════════════════════════════════════
   HERO — 3D ANIMATED (KIMI style)
═══════════════════════════════════════ */
.hero {
  position: relative; min-height: 100vh;
  background: radial-gradient(ellipse 120% 80% at 60% 50%, #071530 0%, #030912 60%, #000 100%);
  display: flex; align-items: center; overflow: hidden;
}

/* Canvas particle layer */
#heroCanvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 1; opacity: .7;
}

/* Grid overlay */
.hero-grid {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background-image:
    linear-gradient(rgba(0,87,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,87,255,.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
}

/* Glow orbs */
.hero-orb {
  position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; z-index: 1;
  animation: orbFloat 8s ease-in-out infinite;
}
.hero-orb-1 { width: 500px; height: 500px; background: radial-gradient(circle, rgba(0,87,255,.35) 0%, transparent 70%); top: -100px; right: 10%; animation-delay: 0s; }
.hero-orb-2 { width: 300px; height: 300px; background: radial-gradient(circle, rgba(0,200,240,.25) 0%, transparent 70%); bottom: 10%; left: 15%; animation-delay: -3s; }
.hero-orb-3 { width: 200px; height: 200px; background: radial-gradient(circle, rgba(0,87,255,.2) 0%, transparent 70%); top: 40%; right: 30%; animation-delay: -5s; }
@keyframes orbFloat {
  0%,100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.08); }
}

/* Hero layout */
.hero-inner {
  position: relative; z-index: 5;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0; align-items: center;
  min-height: 100vh; padding: 80px 24px;
  max-width: var(--max); margin: 0 auto; width: 100%;
}

/* Hero text side */
.hero-text { padding-right: 40px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,200,240,.12); border: 1px solid rgba(0,200,240,.3);
  color: var(--cyan2); font-size: .78rem; font-weight: 700;
  letter-spacing: .8px; text-transform: uppercase;
  padding: 6px 16px; border-radius: 50px; margin-bottom: 22px;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan2); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.4)} }

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900; color: var(--white);
  line-height: 1.1; margin-bottom: 6px;
}
.hero h1 .grad {
  background: linear-gradient(90deg, var(--cyan) 0%, var(--blue2) 50%, var(--cyan2) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  animation: gradShift 4s linear infinite;
}
@keyframes gradShift { 0%{background-position:0%} 100%{background-position:200%} }

.hero-sub { color: rgba(255,255,255,.55); font-size: 1.05rem; margin-bottom: 28px; line-height: 1.75; }
.hero-checks { margin-bottom: 36px; }
.hero-checks li {
  display: flex; align-items: center; gap: 10px;
  color: rgba(255,255,255,.8); font-size: .95rem; padding: 5px 0;
}
.hck {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  display: flex; align-items: center; justify-content: center;
  font-size: .65rem; color: white; font-weight: 700;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-contacts {
  display: flex; gap: 20px; flex-wrap: wrap;
  padding-top: 28px; border-top: 1px solid rgba(255,255,255,.08);
}
.hero-contacts a {
  display: flex; align-items: center; gap: 10px;
  color: var(--white); font-weight: 700; font-size: .92rem;
  transition: color var(--tr);
}
.hero-contacts a:hover { color: var(--cyan); }
.hcd { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.hcd-phone { background: linear-gradient(135deg, var(--blue), var(--blue2)); }
.hcd-line  { background: #06C755; }

/* Hero 3D car / visual side */
.hero-visual {
  position: relative; display: flex; align-items: center; justify-content: center;
  height: 520px;
}
.hero-car-wrap {
  position: relative; width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  animation: carFloat 5s ease-in-out infinite;
}
@keyframes carFloat {
  0%,100% { transform: translateY(0) rotateY(0deg); }
  25% { transform: translateY(-14px) rotateY(2deg); }
  75% { transform: translateY(-8px) rotateY(-1.5deg); }
}
.hero-car {
  width: 90%; max-width: 560px; position: relative; z-index: 3;
  filter: drop-shadow(0 30px 60px rgba(0,87,255,.5)) drop-shadow(0 0 40px rgba(0,200,240,.3));
}
.hero-car img { width: 100%; border-radius: 16px; }

/* 3D ring */
.hero-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(0,200,240,.2);
  animation: ringRotate 12s linear infinite;
}
.hero-ring-1 { width: 480px; height: 480px; top: 50%; left: 50%; transform: translate(-50%,-50%) rotateX(70deg); animation-duration: 12s; }
.hero-ring-2 { width: 380px; height: 380px; top: 50%; left: 50%; transform: translate(-50%,-50%) rotateX(70deg) rotateZ(40deg); animation-duration: 9s; animation-direction: reverse; border-color: rgba(0,87,255,.2); }
@keyframes ringRotate { from{transform: translate(-50%,-50%) rotateX(70deg) rotateZ(0deg)} to{transform: translate(-50%,-50%) rotateX(70deg) rotateZ(360deg)} }

/* Floating stat cards */
.hero-stat {
  position: absolute; z-index: 4;
  background: rgba(10,22,40,.8); backdrop-filter: blur(12px);
  border: 1px solid rgba(0,200,240,.2); border-radius: 14px;
  padding: 12px 18px; text-align: center;
  animation: statFloat 6s ease-in-out infinite;
}
.hero-stat-val { font-size: 1.4rem; font-weight: 900; color: var(--cyan); display: block; }
.hero-stat-lbl { font-size: .72rem; color: rgba(255,255,255,.5); display: block; margin-top: 2px; }
.hs1 { top: 10%; left: -5%; animation-delay: 0s; }
.hs2 { bottom: 15%; right: -5%; animation-delay: -2s; }
.hs3 { top: 50%; left: -8%; animation-delay: -4s; }
@keyframes statFloat {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ═══════════════════════════════════════
   HERO 3D CAR — Sealion 6 DM-i
═══════════════════════════════════════ */

/* ── extra ring ── */
.hero-ring-3 {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(0,200,240,.12);
  width: 280px; height: 280px;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%) rotateX(70deg) rotateZ(20deg);
  animation: ringRotate 7s linear infinite;
  animation-direction: alternate;
}

/* ── Ground glow under car ── */
.car-ground-glow {
  position: absolute;
  bottom: 6%;
  left: 50%;
  transform: translateX(-50%);
  width: 75%;
  height: 50px;
  background: radial-gradient(ellipse 100% 100% at 50% 100%,
    rgba(0,87,255,.55) 0%,
    rgba(0,200,240,.2) 40%,
    transparent 70%);
  filter: blur(12px);
  border-radius: 50%;
  z-index: 2;
  animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse {
  0%,100% { opacity: .7; transform: translateX(-50%) scaleX(1); }
  50%      { opacity: 1;  transform: translateX(-50%) scaleX(1.08); }
}

/* ── Car scene container ── */
.car-scene {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  perspective: 900px;
}

.car-3d-wrap {
  position: relative;
  width: 88%;
  max-width: 580px;
  transform-style: preserve-3d;
  animation: car3DFloat 5s ease-in-out infinite;
}
@keyframes car3DFloat {
  0%   { transform: translateY(0px)   rotateY(-4deg) rotateX(2deg); }
  25%  { transform: translateY(-14px) rotateY( 2deg) rotateX(1deg); }
  50%  { transform: translateY(-20px) rotateY( 6deg) rotateX(0deg); }
  75%  { transform: translateY(-10px) rotateY( 1deg) rotateX(1.5deg); }
  100% { transform: translateY(0px)   rotateY(-4deg) rotateX(2deg); }
}

/* ── Spotlights ── */
.car-spotlight {
  position: absolute;
  top: -30%;
  width: 2px;
  height: 120%;
  opacity: .25;
  pointer-events: none;
}
.car-spotlight-l {
  left: 20%;
  background: linear-gradient(180deg, rgba(0,200,240,.9) 0%, transparent 100%);
  transform: rotate(-18deg);
  transform-origin: top center;
  filter: blur(8px);
  animation: spotBeam 4s ease-in-out infinite;
}
.car-spotlight-r {
  right: 20%;
  background: linear-gradient(180deg, rgba(0,87,255,.9) 0%, transparent 100%);
  transform: rotate(18deg);
  transform-origin: top center;
  filter: blur(8px);
  animation: spotBeam 4s ease-in-out infinite reverse;
}
@keyframes spotBeam {
  0%,100% { opacity: .2; }
  50%      { opacity: .45; }
}

/* ── Car image ── */
.car-img-3d {
  width: 100%;
  height: auto;
  display: block;
  position: relative;
  z-index: 2;
  /* Color-grade the car blue/cyan to match hero palette */
  filter:
    drop-shadow(0 0 28px rgba(0,87,255,.6))
    drop-shadow(0 0 60px rgba(0,200,240,.3))
    drop-shadow(0 20px 40px rgba(0,0,0,.5));
  transition: filter .4s;
}
.car-img-3d:hover {
  filter:
    drop-shadow(0 0 40px rgba(0,87,255,.9))
    drop-shadow(0 0 80px rgba(0,200,240,.5))
    drop-shadow(0 25px 50px rgba(0,0,0,.5));
}

/* ── Ground reflection ── */
.car-reflection {
  position: absolute;
  bottom: -42%;
  left: 0;
  width: 100%;
  height: auto;
  display: block;
  transform: scaleY(-1);
  opacity: .18;
  filter: blur(3px) saturate(1.4) drop-shadow(0 0 6px rgba(0,200,240,.4));
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.35) 0%, transparent 70%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.35) 0%, transparent 70%);
  pointer-events: none;
}

/* ── Floating stat cards (override positions) ── */
.hs1 { top: 8%;  left: -6%; }
.hs2 { bottom: 10%; right: -6%; }
.hs3 { top: 50%; left: -10%; transform: translateY(-50%); }

/* ── Car model label ── */
.car-model-label {
  position: absolute;
  bottom: 2%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(5,14,26,.75);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0,200,240,.25);
  border-radius: 50px;
  padding: 7px 18px;
  z-index: 6;
  white-space: nowrap;
  animation: labelFloat 5s ease-in-out infinite;
}
@keyframes labelFloat {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(-6px); }
}
.cml-tag {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: var(--white);
  font-size: .65rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 50px;
  letter-spacing: .5px;
}
.cml-name {
  color: var(--white);
  font-size: .88rem;
  font-weight: 700;
}
.cml-price {
  color: var(--cyan);
  font-size: .82rem;
  font-weight: 700;
}

/* ═══════════════════════════════════════
   MODELS SECTION (newfordranger card style)
═══════════════════════════════════════ */
.models-sec { background: var(--white); }
.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 20px;
}
.mc {
  background: var(--white); border: 1px solid var(--gray-lt);
  border-radius: var(--r); overflow: hidden;
  transition: box-shadow var(--tr), transform var(--tr);
  position: relative;
}
.mc:hover { box-shadow: var(--sh3); transform: translateY(-5px); }
.mc-img {
  position: relative;
  height: 186px;
  overflow: hidden;
  background: linear-gradient(160deg, #e8f0fe 0%, #dce8fc 100%);
  display: flex; align-items: center; justify-content: center;
}
.mc-img img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 14px 10px 8px;
  transition: transform .4s ease, filter .3s ease;
  filter: drop-shadow(0 6px 16px rgba(0,40,140,.15));
}
.mc:hover .mc-img img {
  transform: scale(1.06) translateY(-5px);
  filter: drop-shadow(0 12px 28px rgba(0,40,140,.25));
}

/* bg เฉพาะรุ่น */
.mc[data-model="atto1"]    .mc-img { background: linear-gradient(155deg,#fdf8d0,#f5e860); }
.mc[data-model="atto2"]    .mc-img { background: linear-gradient(155deg,#edfff2,#c8f0d4); }
.mc[data-model="atto3"]    .mc-img { background: linear-gradient(155deg,#111828,#1c2640); }
.mc[data-model="atto3"]    .mc-img img { filter: drop-shadow(0 6px 20px rgba(60,140,255,.5)); }
.mc[data-model="dolphin"]  .mc-img { background: linear-gradient(155deg,#e8ecf4,#d4daf0); }
.mc[data-model="seal5dmi"] .mc-img { background: linear-gradient(155deg,#edf3ff,#d6e4fc); }
.mc[data-model="seal6"]    .mc-img { background: linear-gradient(155deg,#dceeff,#c4dcf8); }
.mc[data-model="sealion5"] .mc-img { background: linear-gradient(155deg,#f0f6ff,#dde8f8); }
.mc[data-model="sealion6"] .mc-img { background: linear-gradient(155deg,#ede8e0,#ddd4c4); }
.mc[data-model="sealion7"] .mc-img { background: linear-gradient(155deg,#eeeeee,#e0e0e8); }
.mc[data-model="m6"]       .mc-img { background: linear-gradient(155deg,#f0f0f8,#e4e4f0); }
.mc-badge {
  position: absolute; top: 10px; left: 10px; z-index: 2;
  font-size: .68rem; font-weight: 800; padding: 4px 10px; border-radius: 50px;
  text-transform: uppercase; letter-spacing: .5px;
}
.badge-new    { background: linear-gradient(135deg,#ff6b00,#ff4444); color: var(--white); }
.badge-hot    { background: linear-gradient(135deg,var(--blue),var(--cyan)); color: var(--white); }
.badge-eco    { background: linear-gradient(135deg,#16a34a,#22c55e); color: var(--white); }
.badge-phev   { background: linear-gradient(135deg,#7c3aed,#a855f7); color: var(--white); }

.mc-body { padding: 16px; }
.mc-body h3 { font-size: 1.05rem; font-weight: 800; color: var(--navy2); margin-bottom: 2px; }
.mc-type { font-size: .78rem; color: var(--gray); margin-bottom: 10px; }
.mc-prices { margin-bottom: 12px; }
.mc-price-row { display: flex; justify-content: space-between; align-items: center; padding: 4px 0; border-bottom: 1px solid #f1f5f9; font-size: .82rem; }
.mc-price-row:last-child { border-bottom: none; }
.mc-price-label { color: var(--gray); }
.mc-price-val { font-weight: 800; color: var(--blue); }
.mc-btn {
  display: block; text-align: center; width: 100%;
  padding: 9px; border-radius: 8px; font-size: .85rem; font-weight: 700;
  border: 1.5px solid var(--gray-lt); color: var(--navy2);
  transition: all var(--tr);
}
.mc-btn:hover { background: var(--blue); color: var(--white); border-color: var(--blue); box-shadow: 0 4px 16px rgba(0,87,255,.25); }

/* ═══════════════════════════════════════
   PROMO BANNER
═══════════════════════════════════════ */
.promo-sec {
  position: relative;
  background: linear-gradient(135deg, #050e1a 0%, #0a1f40 50%, #050e1a 100%);
  overflow: hidden;
}
.promo-sec::before {
  content: ''; position: absolute; inset: 0;
  background: url('images/promo-banner.webp') center/cover no-repeat; opacity: .06;
}
.promo-grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px;
  margin-top: 40px;
}
.pc {
  background: rgba(255,255,255,.04); border: 1px solid rgba(0,200,240,.15);
  border-radius: var(--r); padding: 28px 20px; text-align: center;
  transition: all var(--tr);
}
.pc:hover { background: rgba(0,87,255,.12); border-color: rgba(0,200,240,.35); transform: translateY(-3px); }
.pc-icon {
  width: 60px; height: 60px; border-radius: 16px;
  background: linear-gradient(135deg,rgba(0,87,255,.3),rgba(0,200,240,.2));
  border: 1px solid rgba(0,200,240,.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin: 0 auto 14px;
}
.pc h3 { font-size: .95rem; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.pc p  { font-size: .82rem; color: rgba(255,255,255,.45); line-height: 1.55; }

/* ═══════════════════════════════════════
   WHY US
═══════════════════════════════════════ */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 28px; }
.wi { text-align: center; }
.wi-icon {
  width: 76px; height: 76px; border-radius: 50%;
  background: linear-gradient(135deg,#eff6ff,#dbeafe);
  border: 2px solid #bfdbfe;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.9rem; margin: 0 auto 16px;
  transition: transform var(--tr);
}
.wi:hover .wi-icon { transform: scale(1.1) rotate(-5deg); }
.wi h3 { font-size: 1rem; font-weight: 700; color: var(--navy2); margin-bottom: 6px; }
.wi p  { font-size: .88rem; color: var(--gray); line-height: 1.6; }

/* ═══════════════════════════════════════
   ARTICLES / BLOG SECTION
═══════════════════════════════════════ */
.articles-sec { background: var(--body-bg); }
.articles-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px,1fr)); gap: 24px;
}
.article-card {
  background: var(--white); border-radius: var(--r);
  overflow: hidden; box-shadow: var(--sh);
  border: 1px solid var(--gray-lt);
  transition: box-shadow var(--tr), transform var(--tr);
}
.article-card:hover { box-shadow: var(--sh2); transform: translateY(-4px); }
.article-img { height: 196px; overflow: hidden; background: linear-gradient(145deg,#dbeafe,#eff6ff); }
.article-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.article-card:hover .article-img img { transform: scale(1.04); }
.article-body { padding: 20px; }
.article-tag {
  display: inline-block; background: #eff6ff; color: var(--blue);
  font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 50px; margin-bottom: 10px;
}
.article-body h3 { font-size: 1.02rem; font-weight: 800; color: var(--navy2); margin-bottom: 8px; line-height: 1.4; }
.article-body p  { font-size: .87rem; color: var(--gray); line-height: 1.6; margin-bottom: 14px; }
.article-meta { display: flex; align-items: center; justify-content: space-between; font-size: .78rem; color: var(--gray); }
.article-meta a { color: var(--blue); font-weight: 700; }
.article-meta a:hover { text-decoration: underline; }

/* ═══════════════════════════════════════
   WARRANTY BADGES (bottom of homepage)
═══════════════════════════════════════ */
.warranty-bar {
  background: var(--navy2);
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 28px 0;
}
.warranty-inner {
  display: flex; gap: 0; flex-wrap: wrap;
  max-width: var(--max); margin: 0 auto; padding: 0 24px;
}
.wb {
  flex: 1; min-width: 200px; display: flex; align-items: center; gap: 12px;
  padding: 12px 20px; border-right: 1px solid rgba(255,255,255,.06);
}
.wb:last-child { border-right: none; }
.wb-icon { font-size: 1.6rem; flex-shrink: 0; }
.wb-text strong { display: block; font-size: .88rem; font-weight: 700; color: var(--white); }
.wb-text span   { font-size: .78rem; color: rgba(255,255,255,.4); }

/* ═══════════════════════════════════════
   CTA BANNER
═══════════════════════════════════════ */
.cta-banner { background: linear-gradient(135deg, #030b18, #0a1f40); border-top: 1px solid rgba(255,255,255,.05); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding: 44px 24px; max-width: var(--max); margin: 0 auto; }
.cta-left h2 { font-size: 1.6rem; font-weight: 800; color: var(--white); margin-bottom: 4px; }
.cta-left p  { color: rgba(255,255,255,.5); font-size: .92rem; }
.cta-hl { color: var(--cyan); }
.cta-btns { display: flex; gap: 12px; flex-wrap: wrap; }

/* ═══════════════════════════════════════
   PAGE HERO (inner pages)
═══════════════════════════════════════ */
.page-hero {
  background: linear-gradient(115deg, #030b18, #071d3a);
  padding: 56px 0 48px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  position: relative; overflow: hidden;
}
.page-hero::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 100% at 80% 50%, rgba(0,87,255,.15) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero h1 { font-size: clamp(1.7rem,3.5vw,2.6rem); font-weight: 900; color: var(--white); margin-bottom: 8px; position: relative; z-index: 1; }
.page-hero p  { color: rgba(255,255,255,.5); position: relative; z-index: 1; }
.page-hero .c { color: var(--cyan); }

/* ═══════════════════════════════════════
   BREADCRUMB
═══════════════════════════════════════ */
.breadcrumb-bar { background: var(--navy2); border-bottom: 1px solid rgba(255,255,255,.06); padding: 10px 0; }
.breadcrumb { display: flex; gap: 6px; font-size: .82rem; color: var(--gray); }
.breadcrumb li+li::before { content: '›'; margin-right: 6px; opacity: .5; }
.breadcrumb a { color: var(--cyan); }

/* ═══════════════════════════════════════
   MODELS PAGE (detail)
═══════════════════════════════════════ */
.model-filter-bar { background: var(--white); border-bottom: 1px solid var(--gray-lt); padding: 20px 0; position: sticky; top: 64px; z-index: 100; box-shadow: var(--sh); }
.filter-list { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-btn {
  background: var(--body-bg); color: var(--navy2);
  border: 1.5px solid var(--gray-lt); border-radius: 8px;
  padding: 8px 20px; font-size: .88rem; font-weight: 600; transition: all var(--tr);
}
.filter-btn.active, .filter-btn:hover { background: var(--blue); color: var(--white); border-color: var(--blue); box-shadow: 0 4px 14px rgba(0,87,255,.25); }

.model-detail-wrap { padding: 60px 0; }
.model-detail {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start;
  margin-bottom: 48px; background: var(--white); border-radius: 16px;
  padding: 36px; box-shadow: var(--sh); border: 1px solid var(--gray-lt);
}
.model-detail.rev { direction: rtl; }
.model-detail.rev > * { direction: ltr; }
.model-detail-img {
  background: linear-gradient(145deg, #e8f0fe, #d0e0fc);
  border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  min-height: 280px; padding: 24px;
  overflow: hidden; box-shadow: var(--sh2);
}
.model-detail-img img {
  width: 100%; max-height: 300px;
  object-fit: contain;
  filter: drop-shadow(0 14px 30px rgba(0,50,150,.2));
  transition: transform .4s ease, filter .3s ease;
  border-radius: 0;
}
.model-detail:hover .model-detail-img img {
  transform: translateY(-8px) scale(1.03);
  filter: drop-shadow(0 22px 44px rgba(0,50,150,.3));
}
/* ─ per-model backgrounds ─ */
#atto1    .model-detail-img { background: linear-gradient(145deg,#fdf5b0,#f0de40); }
#atto2    .model-detail-img { background: linear-gradient(145deg,#e8fff0,#c0f0cc); }
#atto3    .model-detail-img { background: linear-gradient(145deg,#0e1620,#182030); }
#atto3    .model-detail-img img { filter: drop-shadow(0 14px 30px rgba(60,140,255,.55)); }
#dolphin  .model-detail-img { background: linear-gradient(145deg,#e4eaf6,#ced8f0); }
#seal5    .model-detail-img { background: linear-gradient(145deg,#eaf2ff,#d0e4fc); }
#seal6    .model-detail-img { background: linear-gradient(145deg,#d8ecff,#b8d4f8); }
#sealion5 .model-detail-img { background: linear-gradient(145deg,#eef4ff,#d8e8fc); }
#sealion6 .model-detail-img { background: linear-gradient(145deg,#eae4dc,#d8ccc0); }
#sealion7 .model-detail-img { background: linear-gradient(145deg,#ececec,#dcdce8); }
#m6       .model-detail-img { background: linear-gradient(145deg,#f0f0f8,#e0e0ec); }
.mdl-tag { display:inline-block; background:linear-gradient(135deg,#eff6ff,#dbeafe); color:var(--blue); font-size:.78rem; font-weight:700; padding:4px 14px; border-radius:50px; margin-bottom:10px; border:1px solid #bfdbfe; }
.model-detail-info h2 { font-size:2rem; font-weight:900; color:var(--navy2); margin-bottom:6px; }
.mdl-tagline { color:var(--gray); font-style:italic; margin-bottom:20px; font-size:.93rem; }
.spec-h { font-size:.95rem; font-weight:700; color:var(--navy2); margin-bottom:8px; }
.spec-tbl { width:100%; border-collapse:collapse; margin-bottom:20px; }
.spec-tbl th, .spec-tbl td { padding:8px 10px; font-size:.87rem; border-bottom:1px solid var(--gray-lt); text-align:left; }
.spec-tbl th { color:var(--gray); font-weight:500; width:40%; }
.spec-tbl td { font-weight:700; color:var(--navy2); }

/* Price grid for model detail */
.price-grid { display:grid; grid-template-columns: repeat(auto-fill, minmax(140px,1fr)); gap:10px; margin-bottom:20px; }
.price-tile {
  background: linear-gradient(135deg,#f0f7ff,#e8f2ff);
  border: 1px solid #bfdbfe; border-radius:10px;
  padding:12px 14px; text-align:center;
}
.price-tile .pt-name { font-size:.78rem; color:var(--gray); margin-bottom:4px; }
.price-tile .pt-val { font-size:1.15rem; font-weight:900; color:var(--blue); }

.mdl-btns { display:flex; gap:10px; margin-bottom:14px; flex-wrap:wrap; }
.warranty-note { font-size:.82rem; color:var(--gray); padding:10px 14px; background:#f8fafc; border-radius:8px; border-left:3px solid var(--cyan); }

/* ═══════════════════════════════════════
   FAQ
═══════════════════════════════════════ */
.faq-wrap { max-width:800px; margin:0 auto; }
.faq-item { border-bottom:1px solid var(--gray-lt); }
.faq-item summary { font-weight:700; font-size:.97rem; color:var(--navy2); padding:18px 0; cursor:pointer; list-style:none; display:flex; justify-content:space-between; align-items:center; }
.faq-item summary::after { content:'+'; font-size:1.3rem; color:var(--blue); }
.faq-item[open] summary::after { content:'−'; }
.faq-item div { padding:0 0 16px; color:var(--gray); line-height:1.7; font-size:.93rem; }

/* ═══════════════════════════════════════
   PROMO PAGE
═══════════════════════════════════════ */
.promo-cards-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:22px; }
.pic { background:var(--white); border:1px solid var(--gray-lt); border-radius:var(--r); padding:28px; box-shadow:var(--sh); transition:all var(--tr); border-top:4px solid var(--blue); }
.pic.hot { border-top-color:#e53e3e; }
.pic:hover { box-shadow:var(--sh2); transform:translateY(-3px); }
.pic-hd { display:flex; align-items:center; gap:10px; margin-bottom:10px; flex-wrap:wrap; }
.pic-ico { font-size:1.7rem; }
.pic-hd h2 { font-size:1.1rem; font-weight:800; color:var(--navy2); flex:1; }
.hot-tag { background:#e53e3e; color:#fff; font-size:.68rem; font-weight:800; padding:2px 8px; border-radius:50px; }
.pic p { color:var(--gray); font-size:.92rem; margin-bottom:14px; }
.pic ul { margin-bottom:18px; }
.pic li { font-size:.88rem; color:var(--navy2); padding:4px 0; }
.promo-disc { margin-top:36px; padding:16px 20px; background:#f1f5f9; border-radius:10px; font-size:.82rem; color:var(--gray); }

/* ═══════════════════════════════════════
   CONTACT PAGE
═══════════════════════════════════════ */
.contact-grid { display:grid; grid-template-columns:1.1fr 1fr; gap:44px; align-items:start; }
.form-card { background:var(--white); border:1px solid var(--gray-lt); border-radius:16px; padding:36px; box-shadow:var(--sh); }
.form-card h2 { font-size:1.4rem; font-weight:800; color:var(--navy2); margin-bottom:6px; }
.form-intro { color:var(--gray); font-size:.9rem; margin-bottom:24px; }
.form-row { margin-bottom:16px; }
.form-row label { display:block; font-size:.88rem; font-weight:600; color:var(--navy2); margin-bottom:6px; }
.req { color:#e53e3e; }
.form-row input, .form-row select, .form-row textarea { width:100%; padding:12px 14px; font-family:var(--font); font-size:.95rem; border:1.5px solid var(--gray-lt); border-radius:8px; background:var(--white); color:var(--navy2); transition:border-color var(--tr); }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline:none; border-color:var(--blue); box-shadow:0 0 0 3px rgba(0,87,255,.08); }
.chk-label { display:flex; align-items:flex-start; gap:9px; font-size:.85rem; color:var(--gray); cursor:pointer; }
.chk-label input { margin-top:3px; }

.info-cards { display:flex; flex-direction:column; gap:16px; }
.info-crd { background:var(--white); border:1px solid var(--gray-lt); border-radius:12px; padding:22px; box-shadow:var(--sh); }
.info-crd h3 { font-size:.95rem; font-weight:700; color:var(--navy2); margin-bottom:10px; }
.info-crd address { font-style:normal; line-height:1.8; color:#475569; font-size:.9rem; margin-bottom:10px; }
.info-crd p { font-size:.9rem; color:#475569; line-height:1.8; }
.info-crd a { color:var(--blue); }
.phone-big { font-size:1.3rem; font-weight:800; color:var(--navy2) !important; }
.line-a { color:#06C755 !important; font-weight:700; }
.map-embed { border-radius:var(--r); overflow:hidden; box-shadow:var(--sh); margin-top:4px; }
.hours-tbl { width:100%; font-size:.88rem; }
.hours-tbl td { padding:5px 0; border-bottom:1px solid var(--gray-lt); }
.hours-tbl td:last-child { font-weight:700; text-align:right; color:var(--navy2); }

.nearby-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:16px; }
.nearby-crd { background:var(--white); border-radius:var(--r); padding:20px; border:1px solid var(--gray-lt); box-shadow:var(--sh); border-left:4px solid var(--cyan); }
.nearby-crd h3 { font-size:.93rem; font-weight:700; color:var(--navy2); margin-bottom:6px; }
.nearby-crd p  { font-size:.84rem; color:var(--gray); }

/* ═══════════════════════════════════════
   FOOTER
═══════════════════════════════════════ */
.site-footer { background: var(--navy); padding: 56px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.2fr 1.4fr; gap: 36px; padding-bottom: 44px; }
.fl-logo { margin-bottom: 12px; }
.fl-logo .logo-text { font-size: 1.3rem; }
.fl-desc { font-size: .88rem; color: rgba(255,255,255,.4); line-height: 1.8; margin-bottom: 16px; }
.fl-soc { display:flex; gap:8px; }
.fl-soc a { width:34px; height:34px; border-radius:8px; background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.1); display:flex; align-items:center; justify-content:center; color:rgba(255,255,255,.5); transition:all var(--tr); font-size:.9rem; }
.fl-soc a:hover { background:var(--blue); color:var(--white); border-color:var(--blue); }
.fc h4 { font-size:.8rem; font-weight:700; color:rgba(255,255,255,.85); text-transform:uppercase; letter-spacing:.6px; margin-bottom:14px; }
.fc ul li { padding:4px 0; }
.fc ul a { font-size:.88rem; color:rgba(255,255,255,.4); transition:color var(--tr); }
.fc ul a:hover { color:var(--cyan); }
.fc address, .fc p { font-size:.88rem; color:rgba(255,255,255,.4); line-height:1.9; font-style:normal; }
.fc a { color:var(--cyan); transition:color var(--tr); }
.fc a:hover { color:var(--white); }
.footer-bottom { border-top:1px solid rgba(255,255,255,.06); padding:18px 0; display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; }
.footer-bottom p { font-size:.8rem; color:rgba(255,255,255,.28); }
.footer-bottom a { color:rgba(255,255,255,.4); }
.footer-bottom a:hover { color:var(--cyan); }

/* ═══════════════════════════════════════
   MOBILE NAV
═══════════════════════════════════════ */
.mobile-nav { display:none; flex-direction:column; background:rgba(5,14,26,.97); border-top:1px solid rgba(255,255,255,.06); padding:12px 24px 20px; }
.mobile-nav.open { display:flex; }
.mobile-nav a { color:rgba(255,255,255,.7); font-size:.95rem; font-weight:500; padding:12px 0; border-bottom:1px solid rgba(255,255,255,.05); }
.mobile-nav a:last-of-type { border-bottom:none; }
.mobile-contacts { display:flex; gap:10px; margin-top:14px; }

/* ═══════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════ */
@media (max-width: 960px) {
  .main-nav, .header-contacts { display:none; }
  .nav-toggle { display:block; }
  .hero-inner { grid-template-columns:1fr; min-height:auto; padding:80px 24px 60px; }
  .hero-visual { display:none; }
  .hero-text { padding-right:0; }
  .contact-grid { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .model-detail { grid-template-columns:1fr; gap:24px; }
  .model-detail.rev { direction:ltr; }
}
@media (max-width: 640px) {
  .sec { padding:52px 0; }
  .models-grid { grid-template-columns:1fr 1fr; }
  .promo-grid { grid-template-columns:1fr 1fr; }
  .why-grid { grid-template-columns:1fr 1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .footer-bottom { flex-direction:column; text-align:center; }
  .cta-inner { flex-direction:column; align-items:flex-start; }
  .warranty-inner { flex-direction:column; }
  .wb { border-right:none; border-bottom:1px solid rgba(255,255,255,.06); }
  .price-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width: 420px) {
  .models-grid { grid-template-columns:1fr; }
  .hero-cta { flex-direction:column; align-items:flex-start; }
}

/* Topic chips (homepage internal links) */
.topic-chip{display:inline-block;background:#eef3fb;border:1px solid #d7e3f4;color:#0a1628;
  border-radius:999px;padding:9px 16px;font-size:.9rem;font-weight:600;text-decoration:none;transition:.2s;}
.topic-chip:hover{background:#0057ff;border-color:#0057ff;color:#fff;transform:translateY(-2px);}