/* ============================================
   DIAL & STEEL — Custom Watch Mods
   style.css
   ============================================ */

/* --- RESET & BASE --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --red:    #C8102E;
  --red-dk: #9E0C24;
  --black:  #111111;
  --gray-dk:#2A2A2A;
  --gray-md:#555555;
  --gray-lt:#AAAAAA;
  --gray-bg:#F4F4F4;
  --white:  #FFFFFF;
  --border: #E0E0E0;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  font-size: 16px;
  line-height: 1.65;
}

/* --- HEADER --- */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--black);
  border-bottom: 2px solid var(--red);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  color: var(--red);
  font-size: 20px;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--white);
  letter-spacing: 0.08em;
}

.logo-text .amp {
  color: var(--red);
}

nav {
  display: flex;
  gap: 0.25rem;
  flex: 1;
}

.nav-btn {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-lt);
  background: none;
  border: none;
  padding: 0.4rem 0.85rem;
  border-radius: 4px;
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: color 0.2s, background 0.2s;
}

.nav-btn:hover {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.nav-btn.active {
  color: var(--white);
  background: var(--red);
}

.header-tag {
  font-size: 11px;
  color: var(--gray-md);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  flex-shrink: 0;
}

/* --- MAIN / SECTIONS --- */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem 4rem;
}

.tab-section {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* --- HERO --- */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 5rem 0 4rem;
  min-height: 520px;
}

.hero-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 7vw, 88px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--black);
  margin-bottom: 1.5rem;
}

.hero-title .red { color: var(--red); }

.hero-sub {
  font-size: 17px;
  color: var(--gray-md);
  max-width: 480px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
  border: 2px solid var(--red);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary:hover {
  background: var(--red-dk);
  border-color: var(--red-dk);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--black);
  border: 2px solid var(--black);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.15s;
}

.btn-secondary:hover {
  background: var(--black);
  color: var(--white);
  transform: translateY(-1px);
}

/* --- WATCH GRAPHIC --- */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.watch-graphic {
  position: relative;
  width: 220px;
  height: 280px;
  animation: watchFloat 4s ease-in-out infinite;
}

@keyframes watchFloat {
  0%, 100% { transform: translateY(0px) rotate(-5deg); }
  50%       { transform: translateY(-12px) rotate(-5deg); }
}

.watch-case {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 160px;
  height: 160px;
  background: var(--gray-dk);
  border-radius: 50%;
  border: 6px solid var(--gray-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.watch-bezel {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 4px solid var(--red);
  opacity: 0.7;
}

.watch-dial {
  width: 130px;
  height: 130px;
  background: var(--black);
  border-radius: 50%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}

.watch-hour-hand {
  position: absolute;
  width: 4px;
  height: 38px;
  background: var(--white);
  border-radius: 2px;
  bottom: 50%;
  left: 50%;
  transform: translateX(-50%) rotate(10deg);
  transform-origin: bottom center;
}

.watch-min-hand {
  position: absolute;
  width: 3px;
  height: 50px;
  background: var(--red);
  border-radius: 2px;
  bottom: 50%;
  left: 50%;
  transform: translateX(-50%) rotate(140deg);
  transform-origin: bottom center;
}

.watch-center-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--red);
  border-radius: 50%;
  z-index: 10;
}

.watch-12, .watch-3, .watch-6, .watch-9 {
  position: absolute;
  font-family: var(--font-display);
  color: var(--white);
  font-size: 11px;
  letter-spacing: 0.05em;
}
.watch-12 { top: 8px; left: 50%; transform: translateX(-50%); }
.watch-3  { right: 8px; top: 50%; transform: translateY(-50%); }
.watch-6  { bottom: 8px; left: 50%; transform: translateX(-50%); }
.watch-9  { left: 8px; top: 50%; transform: translateY(-50%); }

.watch-lug {
  position: absolute;
  width: 20px;
  height: 28px;
  background: var(--gray-md);
  border-radius: 3px;
}
.watch-lug.top-left  { top: 20px; left: 50%; transform: translateX(-50%) translateX(-30px); }
.watch-lug.top-right { top: 20px; left: 50%; transform: translateX(-50%) translateX(10px); }
.watch-lug.bot-left  { bottom: 20px; left: 50%; transform: translateX(-50%) translateX(-30px); }
.watch-lug.bot-right { bottom: 20px; left: 50%; transform: translateX(-50%) translateX(10px); }

/* --- FEATURES BAR --- */
.features-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--border);
  border-left: 4px solid var(--red);
  padding: 1.25rem 2rem;
  margin-bottom: 4rem;
  background: var(--gray-bg);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.feature-icon {
  color: var(--red);
  font-size: 14px;
}

.feature-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-dk);
  letter-spacing: 0.02em;
}

.divider-v {
  width: 1px;
  height: 28px;
  background: var(--border);
}

/* --- HOW IT WORKS --- */
.section-block { margin-bottom: 4rem; }

.section-heading {
  font-family: var(--font-display);
  font-size: 36px;
  letter-spacing: 0.04em;
  color: var(--black);
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--red);
  display: inline-block;
  padding-bottom: 0.3rem;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.step-card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--red);
  background: var(--white);
}

.step-num {
  font-family: var(--font-display);
  font-size: 42px;
  color: var(--border);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.step-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--black);
}

.step-card p {
  font-size: 14px;
  color: var(--gray-md);
  line-height: 1.6;
}

/* --- PAGE HEADER (inner pages) --- */
.page-header {
  padding: 3.5rem 0 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.5rem;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  letter-spacing: 0.04em;
  color: var(--black);
  margin-bottom: 0.75rem;
}

.page-sub {
  font-size: 17px;
  color: var(--gray-md);
  max-width: 640px;
}

/* --- PRODUCT GRID --- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.product-card {
  border: 1px solid var(--border);
  background: var(--white);
  position: relative;
  transition: box-shadow 0.2s, transform 0.2s;
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--red);
  color: var(--white);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  z-index: 2;
}

.product-img {
  width: 100%;
  height: 180px;
  background: var(--gray-dk);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Watch silhouette placeholders using CSS */
.seiko-1, .seiko-2, .seiko-3, .seiko-4,
.casio-1, .casio-2, .casio-3, .casio-4 {
  background: var(--gray-dk);
}

.seiko-1::after, .seiko-2::after, .seiko-3::after, .seiko-4::after,
.casio-1::after, .casio-2::after, .casio-3::after, .casio-4::after {
  content: '◈';
  font-size: 52px;
  color: var(--gray-md);
  opacity: 0.5;
}

.seiko-1::before { content: ''; position: absolute; width: 80px; height: 80px; border-radius: 50%; border: 4px solid var(--red); opacity: 0.3; }
.seiko-2::before { content: ''; position: absolute; width: 80px; height: 80px; border-radius: 50%; border: 4px solid #555; opacity: 0.3; }
.seiko-3::before { content: ''; position: absolute; width: 90px; height: 90px; border-radius: 50%; border: 4px solid var(--red); opacity: 0.2; }
.seiko-4::before { content: ''; position: absolute; width: 70px; height: 70px; border-radius: 12px; border: 4px solid #888; opacity: 0.25; }
.casio-1::before { content: ''; position: absolute; width: 80px; height: 80px; border-radius: 8px; border: 4px solid var(--red); opacity: 0.3; }
.casio-2::before { content: ''; position: absolute; width: 85px; height: 55px; border-radius: 4px; border: 4px solid #777; opacity: 0.3; }
.casio-3::before { content: ''; position: absolute; width: 90px; height: 90px; border-radius: 50%; border: 4px solid var(--red); opacity: 0.25; }
.casio-4::before { content: ''; position: absolute; width: 75px; height: 85px; border-radius: 8px; border: 4px solid #888; opacity: 0.2; }

.product-info {
  padding: 1.25rem;
}

.product-info h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--black);
}

.product-info p {
  font-size: 13px;
  color: var(--gray-md);
  line-height: 1.55;
  margin-bottom: 1rem;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 0.9rem;
}

.price {
  font-weight: 600;
  font-size: 15px;
  color: var(--black);
}

.btn-order {
  background: var(--black);
  color: var(--white);
  border: none;
  padding: 0.45rem 1.1rem;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  border-radius: 2px;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: background 0.2s;
}

.btn-order:hover {
  background: var(--red);
}

/* --- INFO STRIP --- */
.info-strip {
  background: var(--black);
  color: var(--gray-lt);
  padding: 1rem 1.5rem;
  font-size: 14px;
  border-left: 4px solid var(--red);
}

.info-strip strong {
  color: var(--white);
  margin-right: 0.5rem;
}

/* --- CHECKOUT --- */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 3rem;
  align-items: start;
}

.order-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.form-section {
  border: 1px solid var(--border);
  padding: 1.75rem;
}

.form-section-title {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.06em;
  color: var(--black);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.form-group:last-child { margin-bottom: 0; }

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-dk);
  letter-spacing: 0.03em;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--black);
  border: 1px solid var(--border);
  padding: 0.6rem 0.85rem;
  background: var(--white);
  border-radius: 2px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--red);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.btn-submit {
  background: var(--red);
  color: var(--white);
  border: none;
  padding: 1rem 2rem;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  align-self: flex-start;
  border-radius: 2px;
}

.btn-submit:hover {
  background: var(--red-dk);
  transform: translateY(-1px);
}

.order-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 84px;
}

.sidebar-card {
  border: 1px solid var(--border);
  padding: 1.5rem;
}

.sidebar-card h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 0.85rem;
  color: var(--black);
}

.sidebar-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  counter-reset: step;
}

.sidebar-steps li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 14px;
  color: var(--gray-md);
  counter-increment: step;
}

.sidebar-steps li::before {
  content: counter(step);
  background: var(--black);
  color: var(--white);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
  margin-top: 2px;
}

.highlight-card {
  border-color: var(--red);
  border-left: 4px solid var(--red);
}

.highlight-card p {
  font-size: 14px;
  color: var(--gray-md);
}

.success-msg {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  background: #f0fff4;
  border: 1px solid #b2dfdb;
  border-left: 4px solid #388e3c;
  padding: 1.5rem;
  margin-top: 2rem;
}

.success-icon {
  font-size: 24px;
  color: #388e3c;
  font-weight: 700;
}

.success-msg strong {
  font-size: 16px;
  font-weight: 600;
  color: var(--black);
  display: block;
  margin-bottom: 0.25rem;
}

.success-msg p {
  font-size: 14px;
  color: var(--gray-md);
}

/* --- ABOUT --- */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 4rem;
  padding-top: 1rem;
}

.about-lead {
  font-size: 22px;
  font-weight: 300;
  line-height: 1.55;
  color: var(--black);
  margin-bottom: 1.5rem;
}

.about-main p {
  font-size: 16px;
  color: var(--gray-md);
  margin-bottom: 1.25rem;
  line-height: 1.75;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.value-card {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--red);
}

.value-head {
  font-size: 14px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 0.5rem;
}

.value-card p {
  font-size: 13px;
  color: var(--gray-md);
  line-height: 1.6;
  margin: 0;
}

.stat-block {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.stat {
  display: flex;
  flex-direction: column;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.stat:last-child { border-bottom: none; }

.stat-num {
  font-family: var(--font-display);
  font-size: 40px;
  color: var(--red);
  line-height: 1;
  margin-bottom: 0.2rem;
}

.stat-label {
  font-size: 13px;
  color: var(--gray-md);
  letter-spacing: 0.05em;
}

.contact-block {
  border: 1px solid var(--border);
  border-left: 4px solid var(--red);
  padding: 1.25rem 1.5rem;
}

.contact-block h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--black);
}

.contact-block p {
  font-size: 14px;
  color: var(--gray-md);
  margin-bottom: 0.4rem;
}

/* --- FOOTER --- */
footer {
  background: var(--black);
  border-top: 2px solid var(--red);
  margin-top: 4rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--white);
  letter-spacing: 0.08em;
}

.footer-copy {
  font-size: 12px;
  color: var(--gray-md);
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .checkout-layout { grid-template-columns: 1fr; }
  .order-sidebar { position: static; }
}

@media (max-width: 768px) {
  .header-inner { padding: 0 1rem; }
  .header-tag { display: none; }
  nav { gap: 0; }
  .nav-btn { padding: 0.35rem 0.55rem; font-size: 12px; }
  .hero { grid-template-columns: 1fr; padding: 3rem 0 2rem; }
  .hero-visual { display: none; }
  .features-bar { flex-direction: column; gap: 0.75rem; align-items: flex-start; }
  .divider-v { display: none; }
  .steps-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .about-layout { grid-template-columns: 1fr; }
  main { padding: 0 1rem 3rem; }
  .form-row { grid-template-columns: 1fr; }
}