/* ============================================================
   SPARTANS SPORTS — design system
   Palette drawn from brand logo: spartan red / silver / black
   ============================================================ */

:root {
  --bg-0: #070709;
  --bg-1: #0d0d11;
  --bg-2: #14141a;
  --card: #101015;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);

  --red: #e8192c;
  --red-hot: #ff2e43;
  --red-deep: #8f0f1d;
  --silver: #c9ced8;
  --white: #f4f5f7;
  --muted: #9298a6;
  --dark-ink: #1a1b20;

  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;

  --container: 1180px;
  --radius: 14px;
  --header-h: 74px;

  --shadow-card: 0 24px 60px -24px rgba(0, 0, 0, 0.75);
  --glow-red: 0 0 44px -8px rgba(232, 25, 44, 0.55);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  font-family: var(--font-body);
  background: var(--bg-0);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--red); color: #fff; }

/* ---------- typography ---------- */
h1, h2, h3 { font-family: var(--font-display); text-transform: uppercase; line-height: 1.04; letter-spacing: 0.01em; }
h1 { font-size: clamp(2.9rem, 7.4vw, 5.6rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 4.4vw, 3.3rem); font-weight: 700; }
h1 span, h2 span {
  color: var(--red-hot);
  text-shadow: 0 0 34px rgba(232, 25, 44, 0.45);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--red-hot);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 34px;
  height: 2px;
  background: linear-gradient(90deg, var(--red), transparent);
}

/* ---------- layout ---------- */
.container { width: min(var(--container), 100% - 48px); margin-inline: auto; }
.section { padding: clamp(72px, 10vw, 120px) 0; position: relative; }
.section-alt {
  background:
    radial-gradient(52vw 40vw at 88% 0%, rgba(232, 25, 44, 0.07), transparent 62%),
    var(--bg-1);
  border-block: 1px solid var(--line);
}
.section-head { max-width: 720px; margin-bottom: clamp(44px, 6vw, 72px); }
.section-sub { color: var(--muted); margin-top: 16px; font-size: 1.02rem; }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}
.split-copy > p:not(.eyebrow):not(.section-sub) { color: var(--muted); margin-block: 20px 28px; }

/* ---------- buttons ---------- */
.btn {
  --notch: 12px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  clip-path: polygon(var(--notch) 0, 100% 0, 100% calc(100% - var(--notch)), calc(100% - var(--notch)) 100%, 0 100%, 0 var(--notch));
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
  cursor: pointer;
  border: 0;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(0.99); }

.btn-primary {
  background: linear-gradient(135deg, var(--red-hot), var(--red) 55%, var(--red-deep));
  color: #fff;
  box-shadow: var(--glow-red);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 60px -6px rgba(232, 25, 44, 0.75); }

.btn-ghost {
  background: transparent;
  color: var(--white);
  box-shadow: inset 0 0 0 1.5px var(--line-strong);
}
.btn-ghost:hover { box-shadow: inset 0 0 0 1.5px var(--red-hot); color: var(--red-hot); transform: translateY(-2px); }

.btn-light { background: var(--white); color: var(--dark-ink); }
.btn-light:hover { background: var(--red-hot); color: #fff; transform: translateY(-2px); }

.btn-wa {
  background: rgba(34, 193, 94, 0.12);
  color: #3ade79;
  box-shadow: inset 0 0 0 1.5px rgba(34, 193, 94, 0.45);
}
.btn-wa:hover {
  background: #22c15e;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 0 38px -8px rgba(34, 193, 94, 0.6);
}
.btn-wa:disabled { opacity: 0.6; cursor: wait; transform: none; }
.btn-ico { width: 18px; height: 18px; flex: none; }

.btn-lg { padding: 17px 36px; font-size: 1.02rem; }
.btn-block { width: 100%; }

/* ---------- header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  height: var(--header-h);
  z-index: 100;
  transition: background 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(7, 7, 9, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 12px 34px -18px rgba(0, 0, 0, 0.9);
}
.nav-wrap { display: flex; align-items: center; gap: 28px; height: 100%; }

.brand { display: inline-flex; align-items: center; gap: 12px; margin-right: auto; }
.brand-mark {
  width: 46px; height: 46px;
  object-fit: cover;
  border-radius: 9px;
  /* logo ships on a black square — lighten blends it into the dark theme */
  mix-blend-mode: lighten;
  box-shadow: 0 0 0 1px var(--line);
}
.brand-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.22rem;
  letter-spacing: 0.08em;
  line-height: 1;
  display: grid;
}
.brand-word b { font-weight: 500; font-size: 0.68rem; letter-spacing: 0.42em; color: var(--red-hot); }

.site-nav ul { display: flex; align-items: center; gap: 30px; }
.site-nav a:not(.btn) {
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--silver);
  padding: 8px 2px;
  position: relative;
  transition: color 0.18s ease;
}
.site-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 2px;
  background: var(--red-hot);
  transition: right 0.22s ease;
}
.site-nav a:not(.btn):hover { color: var(--white); }
.site-nav a:not(.btn):hover::after,
.site-nav a.active::after { right: 0; }
.site-nav a.active { color: var(--white); }
.nav-cta-mobile { display: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 10px;
  cursor: pointer;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--white);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ---------- hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 48px) 0 72px;
}
.hero-fx {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(46vw 46vw at 14% 8%, rgba(232, 25, 44, 0.16), transparent 60%),
    radial-gradient(40vw 40vw at 86% 88%, rgba(232, 25, 44, 0.1), transparent 62%),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.028) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.028) 0 1px, transparent 1px 72px),
    linear-gradient(180deg, #0a0a0d 0%, var(--bg-0) 70%);
  mask-image: linear-gradient(180deg, #000 78%, transparent);
}
/* diagonal speed slashes */
.hero-fx::after {
  content: "";
  position: absolute;
  inset: -20%;
  background: repeating-linear-gradient(115deg, transparent 0 180px, rgba(255,255,255,0.02) 180px 182px);
}
.hero-mark {
  position: absolute;
  right: max(-140px, -10vw);
  top: 50%;
  translate: 0 -50%;
  width: clamp(420px, 46vw, 680px);
  opacity: 0.16;
  mix-blend-mode: lighten;
  transform: rotate(-6deg);
  pointer-events: none;
  user-select: none;
  mask-image: radial-gradient(circle at 50% 50%, #000 30%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 30%, transparent 72%);
}
.hero-inner { position: relative; z-index: 2; max-width: 880px; }
.hero-sub {
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.16rem);
  max-width: 560px;
  margin-top: 26px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 38px; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  max-width: 760px;
  margin-top: clamp(48px, 7vh, 76px);
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.hero-stats li { display: flex; align-items: baseline; gap: 2px; }
.stat-num, .stat-plus {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  line-height: 1;
}
.stat-plus, .hero-stats small i { color: var(--red-hot); }
.hero-stats small {
  margin-left: 8px;
  font-size: 0.72rem;
  line-height: 1.35;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 26px;
  translate: -50% 0;
  width: 26px; height: 44px;
  border: 1.5px solid var(--line-strong);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  z-index: 2;
}
.scroll-hint span {
  width: 3px; height: 9px;
  margin-top: 7px;
  border-radius: 3px;
  background: var(--red-hot);
  animation: wheel 1.8s ease-in-out infinite;
}
@keyframes wheel {
  0%, 100% { transform: translateY(0); opacity: 1; }
  55% { transform: translateY(14px); opacity: 0.1; }
}

/* ---------- ticker ---------- */
.ticker {
  overflow: hidden;
  background: linear-gradient(90deg, var(--red-deep), var(--red) 50%, var(--red-deep));
  transform: rotate(-1.2deg) scale(1.02);
  border-block: 1px solid #00000066;
  margin-block: -14px;
  position: relative;
  z-index: 3;
  box-shadow: 0 18px 50px -18px rgba(232, 25, 44, 0.55);
}
.ticker-track {
  display: flex;
  align-items: center;
  gap: 34px;
  width: max-content;
  padding: 13px 0;
  animation: ticker 26s linear infinite;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-track span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #fff;
  white-space: nowrap;
}
.ticker-track i { font-style: normal; color: #ffffffb3; font-size: 0.8rem; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- product cards ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 32px);
}
.product-card {
  position: relative;
  background: linear-gradient(180deg, var(--bg-2), var(--card));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}
.product-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--red), transparent);
  opacity: 0;
  transition: opacity 0.28s ease;
  z-index: 2;
}
.product-card:hover {
  transform: translateY(-7px);
  border-color: rgba(232, 25, 44, 0.45);
  box-shadow: 0 34px 70px -26px rgba(0, 0, 0, 0.85), 0 0 50px -18px rgba(232, 25, 44, 0.4);
}
.product-card:hover::before { opacity: 1; }

.product-art {
  position: relative;
  padding: clamp(18px, 3vw, 30px);
  background:
    radial-gradient(60% 70% at 50% 40%, rgba(232, 25, 44, 0.05), transparent 70%),
    linear-gradient(180deg, #0b0b0f, #101016);
  border-bottom: 1px solid var(--line);
}
.product-art svg {
  width: 100%;
  height: auto;
  transition: transform 0.35s ease;
}
.product-card:hover .product-art svg { transform: scale(1.045) translateY(-3px); }

.product-body { position: relative; padding: 26px 28px 30px; }
.product-idx {
  position: absolute;
  top: -18px;
  right: 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 4.4rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.1);
  pointer-events: none;
  transition: -webkit-text-stroke-color 0.28s ease;
}
.product-card:hover .product-idx { -webkit-text-stroke-color: rgba(232, 25, 44, 0.5); }
.product-body h3 { font-size: 1.7rem; margin-bottom: 10px; }
.product-body p { color: var(--muted); font-size: 0.96rem; }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chip-row li {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--silver);
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}
.chip-row li:first-child {
  color: #fff;
  border-color: rgba(232, 25, 44, 0.55);
  background: rgba(232, 25, 44, 0.14);
}

/* ---------- process ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  counter-reset: step;
  position: relative;
}
.step {
  position: relative;
  padding: 26px 20px 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.step:hover { transform: translateY(-5px); border-color: rgba(232, 25, 44, 0.4); }
.step + .step::before {
  content: "";
  position: absolute;
  left: -19px;
  top: 44px;
  width: 20px;
  height: 2px;
  background: linear-gradient(90deg, var(--line-strong), var(--red));
}
.step-num {
  display: inline-grid;
  place-items: center;
  width: 44px; height: 44px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
  background: linear-gradient(135deg, var(--red-hot), var(--red-deep));
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  margin-bottom: 16px;
}
.step h3 { font-size: 1.12rem; letter-spacing: 0.04em; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 0.86rem; line-height: 1.55; }

/* ---------- capabilities ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.feature {
  padding: 24px 22px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.feature:hover { transform: translateY(-4px); border-color: rgba(232, 25, 44, 0.4); }
.feature-ico {
  display: inline-grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: 11px;
  color: var(--red-hot);
  background: rgba(232, 25, 44, 0.12);
  border: 1px solid rgba(232, 25, 44, 0.3);
  margin-bottom: 16px;
}
.feature-ico svg { width: 24px; height: 24px; }
.feature h3 { font-size: 1.06rem; letter-spacing: 0.05em; margin-bottom: 6px; }
.feature p { color: var(--muted); font-size: 0.88rem; }

/* ---------- contact ---------- */
.contact-list { display: grid; gap: 14px; margin-top: 30px; }
.contact-list li {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 14px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.contact-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red-hot);
}
.contact-list a:hover { color: var(--red-hot); }

.quote-form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(24px, 3.4vw, 40px);
  box-shadow: var(--shadow-card);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-row + .form-row, .form-row + .btn, .form-row + .form-actions, .form-row + .form-note { margin-top: 18px; }
.form-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: grid; gap: 8px; }
.field label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--bg-0);
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  padding: 13px 15px;
  font-size: 0.95rem;
  color: var(--white);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.field textarea { resize: vertical; min-height: 110px; }
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23c9ced8' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 15px center;
}
.field select:invalid { color: var(--muted); }
.field input::placeholder, .field textarea::placeholder { color: #5a6070; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--red-hot);
  box-shadow: 0 0 0 3px rgba(232, 25, 44, 0.18);
}
.field input.invalid, .field select.invalid, .field textarea.invalid {
  border-color: var(--red-hot);
  box-shadow: 0 0 0 3px rgba(232, 25, 44, 0.22);
}
.form-note { margin-top: 14px; text-align: center; font-size: 0.8rem; color: var(--muted); }

/* ---------- cta banner ---------- */
.cta-banner {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(50vw 30vw at 80% 120%, rgba(232, 25, 44, 0.28), transparent 65%),
    linear-gradient(120deg, #101014, #17171d);
  border-block: 1px solid var(--line);
  padding: clamp(60px, 8vw, 96px) 0;
}
.cta-banner::after {
  content: "SPARTANS";
  position: absolute;
  left: 50%; top: 50%;
  translate: -50% -50%;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(6rem, 17vw, 15rem);
  letter-spacing: 0.06em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.05);
  white-space: nowrap;
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}

/* ---------- footer ---------- */
.site-footer { background: var(--bg-0); border-top: 1px solid var(--line); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding: 64px 0 44px;
}
.footer-brand p { color: var(--muted); font-size: 0.9rem; margin-top: 18px; max-width: 300px; }
.footer-brand .brand-mark { width: 56px; height: 56px; }
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.86rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--red-hot);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  padding: 5px 0;
  transition: color 0.18s ease, translate 0.18s ease;
}
.footer-col a:hover { color: var(--white); translate: 3px 0; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--muted);
}
.footer-tag {
  font-family: var(--font-display);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--silver);
}

/* ---------- whatsapp float ---------- */
.wa-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #22c15e;
  color: #fff;
  box-shadow: 0 14px 34px -10px rgba(34, 193, 94, 0.65);
  transition: transform 0.2s ease;
}
.wa-float:hover { transform: scale(1.08) rotate(4deg); }
.wa-float svg { width: 28px; height: 28px; }

/* ---------- toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  translate: -50% 20px;
  z-index: 120;
  background: var(--bg-2);
  border: 1px solid rgba(232, 25, 44, 0.5);
  border-radius: 10px;
  padding: 14px 22px;
  font-size: 0.9rem;
  box-shadow: var(--shadow-card);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, translate 0.25s ease;
}
.toast.show { opacity: 1; translate: -50% 0; }

/* ---------- reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .process { grid-template-columns: repeat(2, 1fr); }
  .step + .step::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-mark { opacity: 0.1; }
}

@media (max-width: 880px) {
  .split { grid-template-columns: 1fr; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: rgba(9, 9, 12, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    padding: 12px 24px 26px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    z-index: 99;
  }
  .site-nav.open { transform: none; opacity: 1; visibility: visible; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 4px; }
  .site-nav a:not(.btn) { display: block; padding: 14px 4px; font-size: 1rem; border-bottom: 1px solid var(--line); }
  .site-nav a:not(.btn)::after { display: none; }
  .nav-cta-mobile { display: block; margin-top: 16px; }
  .nav-cta-mobile .btn { width: 100%; }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .product-grid { grid-template-columns: 1fr; }
  .product-idx { font-size: 3.4rem; top: -14px; }
}

@media (max-width: 640px) {
  .container { width: calc(100% - 40px); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px 16px; }
  .hero-stats li { display: block; }
  .hero-stats small { display: block; margin: 6px 0 0; }
  .process, .feature-grid, .form-row, .form-actions { grid-template-columns: 1fr; }
  .form-row { gap: 0; }
  .field + .field, .form-row .field { margin-top: 16px; }
  .contact-list li { grid-template-columns: 1fr; gap: 4px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .cta-inner { justify-content: center; text-align: center; flex-direction: column; }
  .scroll-hint { display: none; }
  .wa-float { width: 50px; height: 50px; right: 16px; bottom: 16px; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker-track { animation: none; }
  .scroll-hint span { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}