/* ROTTWEIL THAILAND — Apple-inspired minimal design */

:root {
  --black: #1d1d1f;
  --gray: #6e6e73;
  --light: #f5f5f7;
  --white: #ffffff;
  --blue: #255293;        /* น้ำเงิน Rottweil */
  --blue-hover: #2F66B4;
  --red: #EC2024;         /* แดง Rottweil (ใช้เป็นสีเน้นเท่านั้น) */
  --radius: 18px;
  --nav-h: 48px;
  --font: "Anuphan", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 60px; }

body {
  font-family: var(--font);
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(251, 251, 253, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.nav-inner {
  max-width: 1024px; margin: 0 auto; height: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 22px;
}
.nav-logo { display: flex; align-items: center; gap: 9px; }
.nav-logo img { height: 22px; width: auto; }
.nav-logo .region {
  font-size: 12px; font-weight: 500; color: var(--gray);
  padding-left: 9px; border-left: 1px solid rgba(0,0,0,0.18); line-height: 1;
}
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-size: 13px; color: rgba(29,29,31,0.8); transition: color .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--black); }
.lang-toggle {
  font-size: 12px; border: 1px solid rgba(0,0,0,0.2); border-radius: 999px;
  padding: 3px 12px; cursor: pointer; background: transparent;
  font-family: var(--font); color: var(--black); transition: all .2s;
}
.lang-toggle:hover { background: var(--black); color: #fff; border-color: var(--black); }
.nav-burger { display: none; background: none; border: none; font-size: 22px; cursor: pointer; color: var(--black); }

@media (max-width: 820px) {
  .nav-links {
    display: none; position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; background: rgba(251,251,253,0.98);
    backdrop-filter: blur(20px); padding: 20px; gap: 18px;
    border-bottom: 1px solid rgba(0,0,0,0.08);
  }
  .nav-links.open { display: flex; }
  .nav-burger { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  text-align: center;
  padding: 110px 22px 80px;
  background: linear-gradient(180deg, #fbfbfd 0%, #f5f5f7 100%);
}
/* eyebrow "Easy coding" ตามโลโก้ */
.hero .eyebrow {
  display: inline-flex; margin-bottom: 26px; border-radius: 6px; overflow: hidden;
  font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
}
.hero .eyebrow span { color: #fff; padding: 6px 14px; }
.hero .eyebrow .e-blue { background: var(--blue); }
.hero .eyebrow .e-red { background: var(--red); }

.hero h1 {
  font-size: clamp(38px, 7vw, 72px);
  font-weight: 700; letter-spacing: -0.02em; line-height: 1.07;
  white-space: pre-line;
}
.hero p {
  font-size: clamp(17px, 2.4vw, 24px);
  color: var(--gray); max-width: 640px; margin: 22px auto 0;
  font-weight: 400;
}
.hero-cta { margin-top: 34px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; font-size: 16px; padding: 11px 26px;
  border-radius: 999px; transition: all .2s; cursor: pointer;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-hover); }
.btn-ghost { color: var(--blue); }
.btn-ghost:hover { text-decoration: underline; }
.hero-img {
  max-width: 1120px; margin: 60px auto 0;
  border-radius: var(--radius); overflow: hidden; line-height: 0;
  box-shadow: 0 12px 40px rgba(0,0,0,0.10);
}
.hero-img img { width: 100%; }
/* มือถือ: ครอปให้สูงขึ้นเพื่อไม่ให้แถบบางเกินไป */
@media (max-width: 640px) {
  .hero-img { margin-top: 44px; }
  .hero-img img { height: 190px; object-fit: cover; object-position: 72% center; }
}

/* ---------- Sections ---------- */
.section { max-width: 1024px; margin: 0 auto; padding: 90px 22px; }
.section-wide { max-width: 1200px; }
.section-gray { background: var(--light); }
.section-head { text-align: center; margin-bottom: 56px; }
.section-head h2 {
  font-size: clamp(30px, 5vw, 48px); font-weight: 700; letter-spacing: -0.015em;
}
.section-head p { color: var(--gray); font-size: 19px; margin-top: 12px; }

/* แถบเน้นสีแบรนด์ น้ำเงิน/แดง (มาจากโลโก้ Easy coding) */
.accent-bar {
  width: 56px; height: 4px; border-radius: 2px; margin: 0 auto 22px;
  background: linear-gradient(90deg, var(--blue) 0 50%, var(--red) 50% 100%);
}

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats .value { font-size: clamp(30px, 4vw, 44px); font-weight: 700; color: var(--black); }
.stats .label { color: var(--gray); font-size: 14px; margin-top: 6px; }
@media (max-width: 700px) { .stats { grid-template-columns: repeat(2, 1fr); gap: 32px; } }

/* ---------- Cards grid ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--white); border-radius: var(--radius);
  overflow: hidden; transition: transform .3s ease, box-shadow .3s ease;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  display: flex; flex-direction: column;
}
.section-gray .card { box-shadow: none; }
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.10); }
.card-img { aspect-ratio: 4/3; background: var(--light); overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.card-img .ph {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  color: #c7c7cc; font-size: 40px; font-weight: 700; letter-spacing: 1px;
  background: linear-gradient(135deg, #f5f5f7, #e8e8ed);
}
.card-body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
.card-body .tagline { color: var(--blue); font-size: 14px; margin-top: 4px; font-weight: 500; }
.card-body p { color: var(--gray); font-size: 15px; margin-top: 10px; flex: 1; }
.card-body .link { color: var(--blue); font-size: 15px; margin-top: 14px; font-weight: 500; }
.card-body .link:hover { text-decoration: underline; }

/* ---------- Product detail rows ---------- */
.prod-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
  padding: 70px 0; border-top: 1px solid rgba(0,0,0,0.08);
}
.prod-row:first-of-type { border-top: none; }
.prod-row:nth-child(even) .prod-media { order: 2; }
@media (max-width: 800px) {
  .prod-row { grid-template-columns: 1fr; gap: 30px; padding: 50px 0; }
  .prod-row:nth-child(even) .prod-media { order: 0; }
}
.prod-media { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3; background: var(--light); }
.prod-media img { width: 100%; height: 100%; object-fit: cover; }
.prod-media .ph {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  color: #c7c7cc; font-size: 52px; font-weight: 700;
  background: linear-gradient(135deg, #f5f5f7, #e8e8ed);
}
.prod-info h3 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 700; letter-spacing: -0.015em; }
.prod-info .tagline { color: var(--blue); font-size: 18px; font-weight: 500; margin-top: 6px; }
.prod-info p { color: var(--gray); font-size: 17px; margin-top: 16px; }
.prod-info ul { margin-top: 18px; list-style: none; }
.prod-info li {
  padding-left: 26px; position: relative; color: var(--black);
  font-size: 15px; margin-top: 9px;
}
.prod-info li::before {
  content: "✓"; position: absolute; left: 0; color: var(--blue); font-weight: 700;
}

/* ---------- News ---------- */
.news-date { color: var(--gray); font-size: 13px; }
.news-article { max-width: 720px; margin: 0 auto; padding: 80px 22px; }
.news-article h1 { font-size: clamp(28px, 4.5vw, 44px); font-weight: 700; letter-spacing: -0.015em; line-height: 1.15; margin-top: 10px; }
.news-article .body { margin-top: 30px; font-size: 18px; color: #333; white-space: pre-line; }
.back-link { color: var(--blue); font-size: 15px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-item { padding: 20px 0; border-bottom: 1px solid rgba(0,0,0,0.08); }
.contact-item .k { font-size: 13px; color: var(--gray); text-transform: uppercase; letter-spacing: 0.06em; }
.contact-item .v { font-size: 19px; font-weight: 500; margin-top: 4px; }
.contact-item .v a:hover { color: var(--blue); }
.contact-form input, .contact-form textarea {
  width: 100%; font-family: var(--font); font-size: 16px;
  padding: 13px 16px; border: 1px solid rgba(0,0,0,0.15); border-radius: 12px;
  margin-bottom: 14px; background: var(--white); color: var(--black);
}
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--blue); border-color: transparent; }
.contact-form textarea { min-height: 130px; resize: vertical; }

/* ---------- Values ---------- */
.value-card { background: var(--white); border-radius: var(--radius); padding: 30px; }
.value-card h3 { font-size: 19px; font-weight: 600; }
.value-card p { color: var(--gray); font-size: 15px; margin-top: 8px; }

/* ---------- แคมเปญ 8-24-365 / Zero Downtime ---------- */
.zd { background: #000; color: #fff; padding: 100px 22px; text-align: center; }
.zd-inner { max-width: 1024px; margin: 0 auto; }
.zd-code {
  display: inline-block; font-size: clamp(44px, 9vw, 104px); font-weight: 700;
  letter-spacing: -0.03em; line-height: 1;
  background: linear-gradient(90deg, #4A8AE0 0%, #6FA8F0 45%, var(--red) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.zd-tag {
  font-size: clamp(12px, 2vw, 15px); font-weight: 600; letter-spacing: 0.32em;
  text-transform: uppercase; color: #fff; margin-top: 10px;
}
.zd h2 {
  font-size: clamp(26px, 4.4vw, 42px); font-weight: 700;
  letter-spacing: -0.015em; margin-top: 34px;
}
.zd .zd-sub { color: #a1a1a6; font-size: clamp(16px, 2.2vw, 19px); max-width: 640px; margin: 14px auto 0; }

.zd-pillars {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  margin-top: 60px; text-align: left;
}
@media (max-width: 800px) { .zd-pillars { grid-template-columns: 1fr; gap: 14px; } }
.zd-pillar {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius); padding: 32px 28px 34px;
}
.zd-pillar .n {
  font-size: clamp(46px, 6vw, 62px); font-weight: 700; line-height: 1;
  letter-spacing: -0.03em; color: #fff;
}
.zd-pillar .n small { font-size: 15px; font-weight: 500; color: #a1a1a6; margin-left: 8px; letter-spacing: 0; }
.zd-pillar h3 { font-size: 18px; font-weight: 600; margin-top: 18px; color: #fff; }
.zd-pillar p { color: #a1a1a6; font-size: 15px; margin-top: 8px; }
.zd .zd-actions { margin-top: 46px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.zd .btn-ghost { color: #6FA8F0; }

/* badge เล็กใน nav */
.nav-badge {
  font-size: 11px; font-weight: 700; letter-spacing: 0.04em;
  color: #fff; background: var(--red); border-radius: 999px; padding: 3px 9px;
  white-space: nowrap;
}
@media (max-width: 820px) { .nav-badge { display: inline-block; } }

/* ไทม์ไลน์ขั้นตอนบริการ */
.timeline { max-width: 760px; margin: 0 auto; }
.tl-item { display: grid; grid-template-columns: 150px 1fr; gap: 26px; padding: 26px 0; border-top: 1px solid rgba(0,0,0,0.08); }
.tl-item:first-child { border-top: none; }
@media (max-width: 640px) { .tl-item { grid-template-columns: 1fr; gap: 6px; } }
.tl-time { font-size: 14px; font-weight: 600; color: var(--red); padding-top: 3px; }
.tl-body h3 { font-size: 19px; font-weight: 600; }
.tl-body p { color: var(--gray); font-size: 16px; margin-top: 6px; }

/* ---------- ตารางเลือกรุ่น ---------- */
.model-card {
  background: var(--white); border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius); padding: 28px 24px 30px;
  display: flex; flex-direction: column;
}
.model-card .mimg {
  aspect-ratio: 1/1; margin: -6px -6px 18px; border-radius: 14px;
  background: var(--light); overflow: hidden;
}
.model-card .mimg img { width: 100%; height: 100%; object-fit: contain; }
.model-card .badge {
  align-self: flex-start; font-size: 11px; font-weight: 600; letter-spacing: 0.04em;
  color: var(--blue); background: rgba(37,82,147,0.1);
  border-radius: 999px; padding: 4px 11px;
}
.model-card .mname {
  font-size: 28px; font-weight: 700; letter-spacing: -0.02em; margin-top: 14px;
}
.model-card .k {
  font-size: 11px; color: var(--gray); text-transform: uppercase;
  letter-spacing: 0.08em; margin-top: 18px;
}
.model-card .fit { font-size: 15px; font-weight: 500; margin-top: 4px; }
.model-card .val { font-size: 14px; color: var(--gray); margin-top: 4px; flex: 1; }

/* ---------- ตารางเปรียบเทียบ ---------- */
.cmp-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.cmp {
  width: 100%; min-width: 760px; border-collapse: collapse;
  background: var(--white); border-radius: var(--radius); overflow: hidden;
}
.cmp th, .cmp td {
  padding: 16px 18px; text-align: left; font-size: 15px;
  border-bottom: 1px solid rgba(0,0,0,0.08); vertical-align: top;
}
.cmp thead th {
  font-size: 13px; font-weight: 600; color: var(--gray);
  background: var(--light); border-bottom: 1px solid rgba(0,0,0,0.12);
}
.cmp thead th.us { color: #fff; background: var(--blue); }
.cmp tbody td.us { font-weight: 500; background: rgba(37,82,147,0.05); }
.cmp tbody th {
  font-weight: 500; background: var(--light); white-space: nowrap;
}
.cmp tr:last-child th, .cmp tr:last-child td { border-bottom: none; }
.cmp-note { font-size: 13px; color: var(--gray); text-align: center; margin-top: 14px; }

/* ---------- การ์ดความสามารถ (ตัวเลขใหญ่) ---------- */
.cap-card { padding: 4px 0; }
.cap-card .stat {
  font-size: clamp(38px, 5vw, 52px); font-weight: 700;
  letter-spacing: -0.03em; line-height: 1; color: var(--blue);
}
.cap-card h3 { font-size: 18px; font-weight: 600; margin-top: 12px; }
.cap-card p { color: var(--gray); font-size: 15px; margin-top: 8px; }

/* ---------- ชิปวัสดุ ---------- */
.mat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
@media (max-width: 820px) { .mat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .mat-grid { grid-template-columns: 1fr; } }
.mat-item {
  background: var(--white); border: 1px solid rgba(0,0,0,0.09);
  border-radius: 14px; padding: 18px 20px;
}
.mat-item .m { font-size: 16px; font-weight: 600; }
.mat-item p { font-size: 14px; color: var(--gray); margin-top: 5px; }

.group-note {
  max-width: 760px; margin: 40px auto 0; padding-top: 24px;
  border-top: 1px solid rgba(0,0,0,0.08);
  font-size: 15px; color: var(--gray); text-align: center;
}

/* ---------- CTA band ---------- */
.cta-band { background: var(--black); color: #fff; text-align: center; padding: 90px 22px; }
.cta-band h2 { font-size: clamp(28px, 4.5vw, 44px); font-weight: 700; letter-spacing: -0.015em; }
.cta-band p { color: #a1a1a6; font-size: 18px; margin-top: 12px; }
.cta-band .btn-primary { margin-top: 28px; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { text-align: center; padding: 80px 22px 20px; }
.page-hero h1 { font-size: clamp(34px, 6vw, 60px); font-weight: 700; letter-spacing: -0.02em; }
.page-hero p { color: var(--gray); font-size: 20px; max-width: 620px; margin: 16px auto 0; }

/* แถบใบรับรองมาตรฐาน (CE / ISO ฯลฯ) */
.cert-strip { padding: 28px 22px 8px; text-align: center; }
.cert-strip-inner { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.cert-strip-label { font-size: 13px; color: var(--gray); letter-spacing: 0.02em; }
.cert-badges { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; max-width: 640px; }
.cert-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--black);
  background: var(--light); border: 1px solid rgba(0,0,0,0.08);
  border-radius: 999px; padding: 6px 16px;
}
.cert-badge svg { color: var(--blue); flex-shrink: 0; }

/* ---------- Prose ---------- */
.prose { max-width: 720px; margin: 0 auto; font-size: 18px; color: #333; white-space: pre-line; }

/* ---------- Footer ---------- */
.footer { background: var(--light); border-top: 1px solid rgba(0,0,0,0.08); }
.footer-inner { max-width: 1024px; margin: 0 auto; padding: 40px 22px; }
.footer-cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; }
@media (max-width: 700px) { .footer-cols { grid-template-columns: 1fr 1fr; } }
.footer h4 { font-size: 13px; font-weight: 600; margin-bottom: 12px; }
.footer a, .footer p { display: block; font-size: 13px; color: var(--gray); margin-bottom: 8px; }
.footer a:hover { color: var(--black); }
.footer-bottom {
  border-top: 1px solid rgba(0,0,0,0.08); margin-top: 30px; padding-top: 20px;
  font-size: 12px; color: var(--gray); display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 10px;
}

/* ลิงก์เว็บไซต์ระดับโลก — เงียบแต่หาเจอ */
.footer a.global-link {
  display: inline-flex; align-items: center; gap: 7px; margin: 0;
  font-size: 12px; color: var(--gray); transition: color .2s;
}
.footer a.global-link:hover { color: var(--blue); }
.footer a.global-link svg { flex: none; opacity: 0.75; }
.footer a.global-link:hover svg { opacity: 1; }
.footer a.global-link .ext { font-size: 11px; opacity: 0.6; }

.global-inline { color: var(--blue); white-space: nowrap; }
.global-inline:hover { text-decoration: underline; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }