/* ============================================
   OSC PYN Capital — B2B Sourcing Platform
   Design System & Components
   ============================================ */

/* ---------- Tokens ---------- */
:root {
  --c-primary: #0E2A47;
  --c-primary-dark: #081D33;
  --c-primary-light: #1B3B5F;
  --c-accent: #F37021;
  --c-accent-dark: #D85A0D;
  --c-accent-soft: #FEF1E8;
  --c-bg: #FFFFFF;
  --c-bg-alt: #F5F7FA;
  --c-bg-dark: #0E2A47;
  --c-text: #1A2332;
  --c-text-muted: #5A6878;
  --c-text-subtle: #8896A6;
  --c-border: #E2E8F0;
  --c-border-light: #EEF1F5;
  --c-success: #10B981;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 3px rgba(14, 42, 71, 0.06), 0 1px 2px rgba(14, 42, 71, 0.04);
  --shadow: 0 4px 12px rgba(14, 42, 71, 0.08), 0 2px 4px rgba(14, 42, 71, 0.04);
  --shadow-lg: 0 12px 32px rgba(14, 42, 71, 0.12), 0 4px 8px rgba(14, 42, 71, 0.06);

  --container: 1200px;
  --header-h: 76px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .15s var(--ease); }
button { font: inherit; cursor: pointer; border: 0; background: none; }
input, textarea, select { font: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; line-height: 1.2; font-weight: 700; color: var(--c-primary); letter-spacing: -0.015em; }
p { margin: 0; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 88px 0; }
.section--alt { background: var(--c-bg-alt); }
.section--dark { background: var(--c-primary); color: #fff; }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 14px;
}
.section-title { font-size: 38px; line-height: 1.15; margin-bottom: 14px; }
.section-sub { font-size: 17px; color: var(--c-text-muted); max-width: 640px; margin: 0 auto; }
.section--dark .section-sub { color: rgba(255,255,255,0.78); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: transform .15s var(--ease), background .15s var(--ease), box-shadow .15s var(--ease);
  white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn--primary { background: var(--c-accent); color: #fff; box-shadow: 0 4px 14px rgba(243, 112, 33, 0.3); }
.btn--primary:hover { background: var(--c-accent-dark); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(243, 112, 33, 0.4); }
.btn--dark { background: var(--c-primary); color: #fff; }
.btn--dark:hover { background: var(--c-primary-dark); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--c-primary); border-color: var(--c-border); }
.btn--ghost:hover { border-color: var(--c-primary); background: var(--c-bg-alt); }
.btn--ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.35); }
.btn--ghost-light:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
.btn--sm { padding: 10px 18px; font-size: 14px; }
.btn--lg { padding: 17px 32px; font-size: 16px; }
.btn .arrow { transition: transform .15s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--c-border-light);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}
.logo img { height: 40px; width: auto; }
.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav__link {
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--c-text);
  border-radius: var(--radius-sm);
  transition: background .15s var(--ease), color .15s var(--ease);
}
.nav__link:hover { background: var(--c-bg-alt); color: var(--c-primary); }
.nav__link.is-active { color: var(--c-accent); font-weight: 600; }
.header-cta { display: flex; align-items: center; gap: 14px; }
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text-muted);
}
.header-phone strong { color: var(--c-primary); font-size: 15px; }
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--c-primary);
}
.menu-toggle:hover { background: var(--c-bg-alt); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--c-primary);
  color: #fff;
}
.hero__bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.22;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(14,42,71,0.92) 0%, rgba(14,42,71,0.7) 50%, rgba(8,29,51,0.85) 100%);
}
.hero__inner {
  position: relative;
  padding: 110px 0 100px;
  text-align: left;
  max-width: 820px;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: rgba(243, 112, 33, 0.15);
  color: #FFD0A8;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 99px;
  border: 1px solid rgba(243, 112, 33, 0.3);
  margin-bottom: 22px;
}
.hero__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-accent); }
.hero__title {
  font-size: 56px;
  line-height: 1.1;
  font-weight: 800;
  color: #fff;
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}
.hero__title em { color: var(--c-accent); font-style: normal; }
.hero__sub {
  font-size: 19px;
  line-height: 1.6;
  color: rgba(255,255,255,0.82);
  max-width: 640px;
  margin-bottom: 38px;
}
.hero__ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero__kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.kpi__value {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 6px;
}
.kpi__value span { color: var(--c-accent); }
.kpi__label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.02em;
}

/* ---------- Services grid ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--c-border-light);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card__icon {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--c-accent-soft);
  color: var(--c-accent);
  margin-bottom: 22px;
}
.service-card__icon svg { width: 26px; height: 26px; }
.service-card__num {
  position: absolute;
  top: 24px;
  right: 28px;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-text-subtle);
  letter-spacing: 0.1em;
}
.service-card { position: relative; }
.service-card__title {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
}
.service-card__desc {
  font-size: 14.5px;
  color: var(--c-text-muted);
  line-height: 1.6;
}

/* ---------- Categories grid ---------- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.cat-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-primary);
  aspect-ratio: 1 / 1.1;
  cursor: pointer;
  transition: transform .25s var(--ease);
}
.cat-card:hover { transform: translateY(-4px); }
.cat-card__img {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform .4s var(--ease);
  filter: brightness(0.7);
}
.cat-card:hover .cat-card__img { transform: scale(1.08); }
.cat-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(8,29,51,0.85) 100%);
}
.cat-card__body {
  position: absolute;
  inset: auto 0 0 0;
  padding: 18px 18px 20px;
  color: #fff;
}
.cat-card__title { font-size: 15px; font-weight: 700; color: #fff; line-height: 1.3; margin-bottom: 4px; }
.cat-card__count { font-size: 12px; color: rgba(255,255,255,0.7); }
.cat-card__arrow {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: background .15s var(--ease), transform .15s var(--ease);
}
.cat-card:hover .cat-card__arrow { background: var(--c-accent); color: #fff; transform: rotate(-45deg); }

/* ---------- Why-us ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-card {
  text-align: center;
  padding: 32px 20px;
  border-right: 1px solid var(--c-border);
}
.why-card:last-child { border-right: 0; }
.why-card__value {
  font-size: 44px;
  font-weight: 800;
  color: var(--c-accent);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 10px;
}
.why-card__label {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-primary);
  margin-bottom: 6px;
}
.why-card__desc { font-size: 14px; color: var(--c-text-muted); }

/* ---------- Process timeline ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  position: relative;
}
.process::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(to right, var(--c-border) 0%, var(--c-accent) 50%, var(--c-border) 100%);
  z-index: 0;
}
.process-step {
  position: relative;
  text-align: center;
  z-index: 1;
}
.process-step__num {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  background: #fff;
  color: var(--c-accent);
  border: 2px solid var(--c-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  box-shadow: var(--shadow);
}
.process-step__title { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.process-step__desc { font-size: 13.5px; color: var(--c-text-muted); line-height: 1.5; }

/* ---------- RFQ form ---------- */
.rfq {
  background: var(--c-primary);
  background-image:
    radial-gradient(circle at 90% 10%, rgba(243, 112, 33, 0.16) 0%, transparent 40%),
    radial-gradient(circle at 10% 90%, rgba(243, 112, 33, 0.08) 0%, transparent 40%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 56px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  align-items: center;
}
.rfq__left h3 { color: #fff; font-size: 32px; line-height: 1.2; margin-bottom: 16px; }
.rfq__left p { color: rgba(255,255,255,0.78); margin-bottom: 24px; }
.rfq__list { display: flex; flex-direction: column; gap: 12px; }
.rfq__list li { display: flex; align-items: flex-start; gap: 12px; color: rgba(255,255,255,0.92); font-size: 14.5px; }
.rfq__check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--c-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  margin-top: 1px;
}
.rfq-form {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  color: var(--c-text);
  box-shadow: var(--shadow-lg);
}
.rfq-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-primary);
  margin-bottom: 6px;
}
.field label .req { color: var(--c-accent); }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  color: var(--c-text);
  background: #fff;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 0;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(243, 112, 33, 0.15);
}
.field textarea { resize: vertical; min-height: 84px; }
.form-note { font-size: 12px; color: var(--c-text-muted); margin-top: -6px; margin-bottom: 16px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-col h5 {
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-col p { font-size: 14px; line-height: 1.7; margin-bottom: 14px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col li a {
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  transition: color .15s var(--ease);
}
.footer-col li a:hover { color: var(--c-accent); }
.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
}
.footer-contact svg { flex-shrink: 0; width: 18px; height: 18px; color: var(--c-accent); margin-top: 2px; }
.footer-legal {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
}
.footer-legal__tax {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-legal__tax span strong { color: rgba(255,255,255,0.85); font-weight: 600; }

/* ---------- Page header (sub pages) ---------- */
.page-header {
  background: var(--c-primary);
  color: #fff;
  padding: 80px 0 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(243, 112, 33, 0.15) 0%, transparent 40%),
                    radial-gradient(circle at 80% 70%, rgba(243, 112, 33, 0.1) 0%, transparent 40%);
}
.page-header__inner { position: relative; }
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 14px;
}
.breadcrumb a { color: rgba(255,255,255,0.75); }
.breadcrumb a:hover { color: var(--c-accent); }
.page-header__title { font-size: 44px; color: #fff; margin-bottom: 12px; }
.page-header__sub { font-size: 17px; color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto; }

/* ---------- Services list (sub page) ---------- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--c-border-light);
}
.service-detail:last-child { border-bottom: 0; }
.service-detail.is-reverse .service-detail__visual { order: 2; }
.service-detail__num {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: 0.12em;
  margin-bottom: 14px;
}
.service-detail h3 { font-size: 28px; margin-bottom: 14px; }
.service-detail__lead { font-size: 16px; color: var(--c-text-muted); margin-bottom: 22px; line-height: 1.7; }
.service-detail ul { display: flex; flex-direction: column; gap: 10px; }
.service-detail ul li { display: flex; gap: 10px; font-size: 15px; }
.service-detail ul li::before {
  content: '✓';
  color: var(--c-accent);
  font-weight: 700;
  flex-shrink: 0;
}
.service-visual {
  background: var(--c-bg-alt);
  border-radius: var(--radius-lg);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.service-visual__icon {
  width: 140px;
  height: 140px;
  color: var(--c-accent);
  opacity: 0.85;
}

/* ---------- About company stats ---------- */
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  background: var(--c-bg-alt);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  margin: 48px 0;
}
.about-stat { text-align: center; }
.about-stat__v { font-size: 34px; font-weight: 800; color: var(--c-primary); letter-spacing: -0.02em; }
.about-stat__l { font-size: 13px; color: var(--c-text-muted); margin-top: 4px; }

.about-block {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: start;
  padding: 56px 0;
}
.about-block h3 { font-size: 28px; margin-bottom: 18px; }
.about-block p { color: var(--c-text-muted); line-height: 1.75; margin-bottom: 14px; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
}
.contact-info { padding-right: 24px; }
.contact-info h3 { font-size: 26px; margin-bottom: 14px; }
.contact-info p { color: var(--c-text-muted); margin-bottom: 26px; line-height: 1.7; }
.contact-list { display: flex; flex-direction: column; gap: 22px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--c-accent-soft);
  color: var(--c-accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-item__icon svg { width: 22px; height: 22px; }
.contact-item__title { font-size: 13px; font-weight: 600; color: var(--c-text-muted); letter-spacing: 0.05em; text-transform: uppercase; }
.contact-item__value { font-size: 16px; color: var(--c-primary); font-weight: 600; margin-top: 3px; }
.contact-form-card {
  background: #fff;
  border: 1px solid var(--c-border-light);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow);
}

/* ---------- Misc ---------- */
.tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--c-accent-soft);
  color: var(--c-accent-dark);
  font-size: 12px;
  font-weight: 600;
  border-radius: 4px;
  letter-spacing: 0.02em;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--c-primary);
  color: #fff;
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: 14px;
  font-weight: 600;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast--success::before {
  content: '✓';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--c-success);
  border-radius: 50%;
  font-size: 13px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .categories-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .why-card { border-right: 0; border-bottom: 1px solid var(--c-border); padding-bottom: 24px; }
  .why-card:nth-last-child(-n+2) { border-bottom: 0; padding-bottom: 8px; }
  .process { grid-template-columns: repeat(5, 1fr); gap: 12px; }
  .process::before { display: none; }
  .rfq { grid-template-columns: 1fr; padding: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .service-detail { grid-template-columns: 1fr; gap: 32px; }
  .service-detail.is-reverse .service-detail__visual { order: 0; }
  .about-block { grid-template-columns: 1fr; gap: 24px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-title { font-size: 28px; }
  .hero__inner { padding: 64px 0 56px; }
  .hero__title { font-size: 36px; }
  .hero__sub { font-size: 16px; }
  .hero__kpis { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .kpi__value { font-size: 28px; }
  .services-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .why-grid { grid-template-columns: 1fr; }
  .why-card { border-bottom: 1px solid var(--c-border); padding: 20px 0; }
  .why-card:last-child { border-bottom: 0; }
  .process { grid-template-columns: 1fr; gap: 28px; text-align: left; }
  .process-step { display: grid; grid-template-columns: 64px 1fr; gap: 18px; text-align: left; align-items: center; }
  .process-step__num { margin: 0; }
  .rfq { padding: 28px 22px; }
  .rfq-form { padding: 22px; }
  .rfq-form__row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-legal { flex-direction: column; }
  .nav { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; flex-direction: column; gap: 0; background: #fff; border-bottom: 1px solid var(--c-border); padding: 12px 16px; box-shadow: var(--shadow); }
  .nav.is-open { display: flex; }
  .nav__link { width: 100%; padding: 14px 16px; border-radius: 0; border-bottom: 1px solid var(--c-border-light); }
  .menu-toggle { display: inline-flex; }
  .header-phone { display: none; }
  .page-header { padding: 56px 0 48px; }
  .page-header__title { font-size: 32px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); padding: 28px 20px; }
  .service-visual__icon { width: 80px; height: 80px; }
  .rfq__left h3 { font-size: 24px; }
}