/* ============================================================
   ATUNIBYTESECURED — style.css
   Mobile-first, responsive, production-ready
   ============================================================ */

/* ---- CUSTOM PROPERTIES ---- */
:root {
  --accent: #3D5AFE;
  --accent-dark: #2A45E8;
  --accent-light: #EEF1FF;
  --dark: #0A0F1E;
  --dark-bg: #070B17;
  --body-bg: #F4F5F8;
  --white: #FFFFFF;
  --text: #0A0F1E;
  --text-mid: #3A4252;
  --text-muted: #5B6475;
  --text-light: #C9CFDD;
  --border: #E3E6EC;
  --border-dark: rgba(255,255,255,.12);
  --mono: 'IBM Plex Mono', monospace;
  --sans: 'Plus Jakarta Sans', system-ui, sans-serif;
  --display: 'Sora', sans-serif;
  --radius-card: 22px;
  --radius-btn: 12px;
  --shadow-card: 0 30px 80px rgba(10,15,30,.06);
  --shadow-float: 0 30px 80px rgba(0,0,0,.45);
  --transition: .15s ease;
  --container: 1240px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--body-bg);
}

img, svg { display: block; max-width: 100%; }

a { color: var(--accent); }
a:hover { color: var(--accent-dark); }

ul { list-style: none; }

/* ---- SKIP LINK ---- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: .5rem 1rem;
  background: var(--accent);
  color: var(--white);
  border-radius: var(--radius-btn);
  text-decoration: none;
  font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* ---- CONTAINER ---- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 640px) { .container { padding: 0 32px; } }
@media (min-width: 1024px) { .container { padding: 0 40px; } }

/* ---- GRID BG ---- */
.grid-bg {
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 56px 56px;
}

/* ---- GLOW ---- */
.glow {
  position: absolute;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61,90,254,.38) 0%, rgba(61,90,254,0) 65%);
  pointer-events: none;
}
.glow--right  { right: -120px; top: 40px; }
.glow--left   { left: -260px; bottom: -320px; opacity: .6; }
.glow--center { width: 420px; height: 420px; left: 50%; top: 50%; transform: translate(-50%,-50%); }
.glow--top    { left: 50%; top: -360px; transform: translateX(-50%); width: 900px; height: 700px; opacity: .7; }
.glow--contact { right: -300px; bottom: -300px; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 24px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 15px;
  font-family: var(--sans);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.btn--primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 10px 30px rgba(61,90,254,.35);
}
.btn--primary:hover { background: var(--accent-dark); color: var(--white); }

.btn--ghost {
  background: rgba(255,255,255,.04);
  color: var(--white);
  border-color: rgba(255,255,255,.24);
}
.btn--ghost:hover { border-color: var(--white); color: var(--white); }

.btn--dark {
  background: var(--dark);
  color: var(--white);
}
.btn--dark:hover { background: #1B2238; color: var(--white); }

/* ---- LABEL ---- */
.label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--accent);
}
.label--light      { color: #8EA2FF; }
.label--light-mono { font-family: var(--mono); font-size: 12px; letter-spacing: .16em; color: #8EA2FF; }

/* ---- SECTION ---- */
.section {
  padding: 80px 0;
}
@media (min-width: 768px) { .section { padding: 110px 0; } }
@media (min-width: 1024px) { .section { padding: 130px 0; } }

.section--light   { background: var(--body-bg); }
.section--border  { background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section--dark    { position: relative; overflow: hidden; background: var(--dark-bg); color: var(--white); }

.section__intro {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 18px;
  margin-bottom: 64px;
}

.section__heading {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(32px, 5vw, 50px);
  line-height: 1.05;
  letter-spacing: -.03em;
}
.section__heading--center { max-width: 760px; }
.section__heading--light  { color: var(--white); }

.section__sub {
  max-width: 560px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-muted);
}

/* ---- BADGE (HERO) ---- */
.badge {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  gap: 10px;
  padding: 8px 14px 8px 10px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.04);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: #C9CFDD;
}
.badge__dot {
  position: relative;
  width: 10px;
  height: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ---- PING ANIMATION ---- */
@keyframes ping {
  0%   { transform: scale(.85); opacity: .9; }
  100% { transform: scale(1.6); opacity: 0; }
}
.ping {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #3DDC97;
  animation: ping 2.2s ease-out infinite;
}
.ping::after {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: 50%;
  background: #3DDC97;
}
.ring-ping {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  animation: ping 2.2s ease-out infinite;
}
.ring-ping2 {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  animation: ping 2.2s ease-out .7s infinite;
}

/* ---- FLOAT ANIMATION ---- */
@keyframes floaty {
  0%, 100% { transform: translateY(0) rotate(-6deg); }
  50%       { transform: translateY(-8px) rotate(-6deg); }
}
.float { animation: floaty 6s ease-in-out infinite; }

@media (prefers-reduced-motion: reduce) {
  .ping, .ring-ping, .ring-ping2, .float { animation: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   NAV
   ============================================================ */
.hero {
  background-color: var(--dark-bg);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 22px;
  padding-bottom: 22px;
  position: relative;
  z-index: 100;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--white);
  min-height: 44px;
}
.nav__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}
.nav__brand-name {
  font-family: var(--display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -.01em;
}
.nav__brand-sub {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .24em;
  color: #A9B1C6;
}

/* Mobile toggle */
.nav__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 10px;
  cursor: pointer;
  color: var(--white);
  position: relative;
  z-index: 110;
}
.nav__toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease;
}
.hamburger { position: relative; }
.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}
.hamburger::before { top: -6px; }
.hamburger::after  { top: 6px; }

/* Open state */
.nav__toggle[aria-expanded="true"] .hamburger { background: transparent; }
.nav__toggle[aria-expanded="true"] .hamburger::before { transform: rotate(45deg) translate(4px,4px); }
.nav__toggle[aria-expanded="true"] .hamburger::after  { transform: rotate(-45deg) translate(4px,-4px); }

/* Nav menu — mobile */
.nav__menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  position: absolute;
  top: calc(100% + 8px);
  left: 20px;
  right: 20px;
  background: rgba(10,15,30,.96);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  padding: 20px;
  z-index: 100;
}
.nav__menu.is-open { display: flex; }

.nav__link {
  color: #C9CFDD;
  text-decoration: none;
  font-size: 15px;
  padding: 10px 12px;
  border-radius: 10px;
  min-height: 44px;
  display: flex;
  align-items: center;
}
.nav__link:hover { color: var(--white); background: rgba(255,255,255,.06); }

.nav__cta { margin-top: 8px; }

/* Desktop nav */
@media (min-width: 860px) {
  .nav__toggle { display: none; }

  .nav__menu {
    display: flex !important;
    flex-direction: row;
    align-items: center;
    gap: 20px;
    position: static;
    background: none;
    border: none;
    padding: 0;
    backdrop-filter: none;
    border-radius: 0;
  }
  .nav__link { padding: 10px 4px; border-radius: 0; min-height: auto; white-space: nowrap; }
  .nav__link:hover { background: none; }
  .nav__cta { margin-top: 0; min-height: 44px; padding: 0 18px; white-space: nowrap; }
}

@media (min-width: 1024px) {
  .nav__menu { gap: 28px; }
}

/* ============================================================
   HERO INNER
   ============================================================ */
.hero__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 48px;
  padding-top: 60px;
  padding-bottom: 80px;
  position: relative;
}
@media (min-width: 1024px) {
  .hero__inner { padding-top: 80px; padding-bottom: 110px; gap: 64px; }
}

.hero__copy {
  flex: 1 1 320px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero__heading {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(40px, 7vw, 76px);
  line-height: 1;
  letter-spacing: -.035em;
}

.hero__highlight {
  position: relative;
  white-space: nowrap;
  color: var(--white);
}
.hero__highlight-bg {
  position: absolute;
  left: -4px;
  right: -4px;
  bottom: 6px;
  height: 18px;
  background: var(--accent);
  border-radius: 4px;
  opacity: .85;
}
.hero__highlight-text { position: relative; }

.hero__sub {
  font-size: 17px;
  line-height: 1.6;
  color: #C9CFDD;
  max-width: 540px;
  margin: 0;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---- HERO VISUAL ---- */
.hero__visual {
  flex: 1 1 320px;
  min-width: 0;
  display: flex;
  justify-content: center;
  padding: 20px 0;
}

.card-stack {
  position: relative;
  width: 100%;
  max-width: 440px;
}

/* NFC Card */
.nfc-card {
  position: relative;
  width: 90%;
  max-width: 360px;
  aspect-ratio: 1.6 / 1;
  border-radius: 20px;
  background: var(--white);
  color: var(--dark);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-float);
  transform: rotate(-6deg);
}
.nfc-card__top { display: flex; justify-content: space-between; align-items: flex-start; }
.nfc-card__info { display: flex; flex-direction: column; gap: 4px; }
.nfc-card__name { font-family: var(--display); font-weight: 700; font-size: clamp(16px,3vw,22px); }
.nfc-card__role { font-size: 13px; color: var(--text-muted); }
.nfc-card__nfc  {
  position: relative;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.nfc-card__bottom { display: flex; justify-content: space-between; align-items: flex-end; }
.nfc-card__tags  { display: flex; gap: 8px; }
.nfc-card__tap   { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; color: var(--text-muted); }

.tag {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--accent-light);
  color: #2A3FC4;
  font-weight: 600;
}

/* AI bubble */
.ai-bubble {
  position: relative;
  margin: -28px 0 0 auto;
  width: 88%;
  max-width: 340px;
  border-radius: 18px;
  background: rgba(20,26,46,.92);
  border: 1px solid rgba(255,255,255,.14);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
}
.ai-bubble__header { display: flex; align-items: center; gap: 10px; }
.ai-bubble__icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ai-bubble__title { font-weight: 600; font-size: 14px; color: var(--white); }
.ai-bubble__badge {
  margin-left: auto;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(61,220,151,.14);
  color: #3DDC97;
  font-weight: 600;
}
.ai-bubble__body { font-size: 14px; line-height: 1.55; color: #DDE2EE; }
.ai-bubble__actions { display: flex; gap: 8px; flex-wrap: wrap; }
.ai-btn {
  font-size: 12px;
  padding: 7px 12px;
  border-radius: 8px;
  font-weight: 600;
  cursor: default;
}
.ai-btn--solid   { background: var(--white); color: var(--dark); }
.ai-btn--outline { border: 1px solid rgba(255,255,255,.2); color: #DDE2EE; }

/* ============================================================
   TRUST STRIP
   ============================================================ */
.trust-strip {
  position: relative;
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.02);
}
.trust-strip__inner {
  padding: 20px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  justify-content: space-between;
  font-size: 13px;
  color: #C9CFDD;
}
@media (min-width: 640px) { .trust-strip__inner { padding: 24px 32px; font-size: 14px; } }
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
}
.trust-item__num {
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  color: var(--white);
}

/* ============================================================
   ABOUT
   ============================================================ */
.about__header {
  display: flex;
  flex-wrap: wrap;
  gap: 32px 80px;
  margin-bottom: 48px;
}
.about__title-col {
  flex: 1 1 320px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.about__body-col {
  flex: 1 1 320px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-mid);
  padding-top: 34px;
}

/* ============================================================
   CARDS GRID
   ============================================================ */
.cards-grid {
  display: grid;
  gap: 20px;
}
.cards-grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%,300px), 1fr)); }
.cards-grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%,280px), 1fr)); }

.card {
  border-radius: var(--radius-card);
  padding: 36px 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.card--dark {
  background: var(--dark);
  color: var(--white);
}
.card--white {
  background: var(--white);
  border: 1px solid var(--border);
}
.card--glass {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--white);
}

.card__quote {
  font-family: var(--display);
  font-size: clamp(20px, 2.5vw, 26px);
  line-height: 1.3;
  font-weight: 500;
  letter-spacing: -.01em;
}

.card__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.card__title {
  font-family: var(--display);
  font-size: 22px;
  line-height: 1.25;
}
.card__body { font-size: 15.5px; line-height: 1.65; color: #C9CFDD; }

/* ============================================================
   PRODUCTS
   ============================================================ */
.product {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 48px;
  margin-bottom: 80px;
}
.product:last-child { margin-bottom: 0; }
.product--reverse { flex-wrap: wrap-reverse; }

.product__visual {
  flex: 1 1 300px;
  min-width: 0;
  position: relative;
  overflow: hidden;
  border-radius: 26px;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}
.product__visual--dark { background-color: var(--dark); }
.product__visual--light { background: var(--accent-light); }

@media (min-width: 1024px) {
  .product__visual { flex-basis: 480px; min-height: 420px; }
}

.product__copy {
  flex: 1 1 300px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
@media (min-width: 1024px) { .product__copy { flex-basis: 420px; } }

.product__label-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.product__name {
  font-family: var(--display);
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.1;
  letter-spacing: -.02em;
  margin: 0;
}
.product__tagline {
  font-family: var(--display);
  font-weight: 600;
  color: var(--accent);
  font-size: 20px;
}
.product__desc { font-size: 16px; line-height: 1.7; color: var(--text-mid); }

/* Status badge */
.status-badge {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
}
.status-badge--live { background: #E6F8EF; color: #11764A; }

/* Feature list */
.feature-list { display: flex; flex-direction: column; gap: 12px; font-size: 15.5px; }
.feature-list__item { display: flex; gap: 12px; align-items: center; }
.check-icon {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--accent-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ---- Product visual: NFC demo ---- */
.product__cards {
  position: relative;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}
.p-nfc-card {
  width: min(260px, 90%);
  aspect-ratio: 1.6 / 1;
  border-radius: 18px;
  background: var(--white);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 24px 60px rgba(0,0,0,.45);
}
.p-nfc-card__header { display: flex; justify-content: space-between; }
.p-nfc-card__name { font-family: var(--display); font-weight: 700; font-size: 18px; color: var(--dark); }
.p-nfc-card__role { font-size: 12px; color: var(--text-muted); }
.p-nfc-card__divider { height: 6px; width: 60%; border-radius: 3px; background: var(--border); }

.p-lead-card {
  width: min(210px, 90%);
  border-radius: 16px;
  background: #141A2E;
  border: 1px solid rgba(255,255,255,.14);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--white);
}
.p-lead-card__status { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; }
.p-lead-card__desc { font-size: 12px; color: #A9B1C6; }
.p-lead-card__tags { display: flex; gap: 6px; flex-wrap: wrap; }
.p-tag {
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(142,162,255,.14);
  color: #B9C5FF;
}

.dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.dot--green { background: #3DDC97; }

/* ---- Product visual: Pipeline demo ---- */
.pipeline-card {
  width: 100%;
  max-width: 420px;
  background: var(--white);
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(42,63,196,.18);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pipeline-card__header { display: flex; align-items: center; justify-content: space-between; }
.pipeline-card__title { font-family: var(--display); font-weight: 700; font-size: 17px; }
.pipeline-card__sub { font-size: 12px; color: var(--text-muted); }

.pipeline-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 12px;
  background: var(--body-bg);
}
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 13px;
  flex-shrink: 0;
}
.pipeline-row__info { flex-grow: 1; display: flex; flex-direction: column; gap: 2px; }
.pipeline-row__name   { font-weight: 600; font-size: 14px; }
.pipeline-row__detail { font-size: 12px; color: var(--text-muted); }

.pill {
  font-size: 11px;
  padding: 4px 9px;
  border-radius: 999px;
  font-weight: 600;
  white-space: nowrap;
}
.pill--hot   { background: #FFE9DC; color: #A63C06; }
.pill--visit { background: var(--accent-light); color: #2A3FC4; }
.pill--ready { background: #E6F8EF; color: #11764A; }

.pipeline-ai {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--dark);
  color: #DDE2EE;
  font-size: 13px;
  line-height: 1.5;
}

/* ============================================================
   TECHNOLOGY
   ============================================================ */
.tech__header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 56px;
}
.tech__title-col {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 700px;
}
.tech__sub {
  margin: 0;
  max-width: 420px;
  font-size: 17px;
  line-height: 1.65;
  color: #C9CFDD;
}
@media (max-width: 767px) {
  .tech__sub { max-width: 100%; }
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  box-shadow: var(--shadow-card);
}

.contact-info {
  flex: 1 1 300px;
  min-width: 0;
  position: relative;
  overflow: hidden;
  background-color: var(--dark);
  color: var(--white);
  border-radius: 20px;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
@media (min-width: 640px) { .contact-info { padding: 48px 40px; } }

.contact-info__heading {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.06;
  letter-spacing: -.03em;
  margin: 12px 0 0;
}
.contact-info__sub {
  font-size: 16px;
  line-height: 1.65;
  color: #C9CFDD;
  margin-top: 8px;
}

.contact-details { display: flex; flex-direction: column; gap: 20px; margin-top: 8px; }
.contact-details__item { display: flex; flex-direction: column; gap: 4px; }
.contact-details__item dt { font-size: 13px; color: #A9B1C6; }
.contact-details__item dd { font-size: 17px; font-weight: 500; }
.contact-details__item a { color: var(--white); text-decoration: none; }
.contact-details__item a:hover { color: #8EA2FF; }

/* Form */
.contact-form {
  flex: 1 1 320px;
  min-width: 0;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
@media (min-width: 640px) { .contact-form { padding: 40px 32px; } }

.contact-form__heading {
  font-family: var(--display);
  font-size: 24px;
  margin-bottom: 4px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%,200px), 1fr));
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-size: 14px;
  font-weight: 500;
}

.field {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid #D5D9E2;
  border-radius: 10px;
  font: 15px var(--sans);
  color: var(--dark);
  background: var(--white);
  transition: outline var(--transition), border-color var(--transition);
  appearance: none;
}
.field:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
.field.is-invalid { border-color: #DC2626; }
.field-error { font-size: 12px; color: #DC2626; min-height: 16px; }

.form-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}
.form-privacy {
  font-size: 13px;
  color: var(--text-muted);
}

.form-success {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: #E6F8EF;
  border-radius: 12px;
  color: #11764A;
  font-weight: 500;
  font-size: 15px;
}

.form-error {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: #FEE2E2;
  border-radius: 12px;
  color: #DC2626;
  font-weight: 500;
  font-size: 15px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--dark-bg);
  color: #A9B1C6;
}
.footer .container { padding-top: 48px; padding-bottom: 32px; }

.footer__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-bottom: 36px;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--white);
  font-family: var(--display);
  font-weight: 700;
  font-size: 18px;
}
.footer__tagline { font-family: var(--display); font-size: 17px; color: #C9CFDD; }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 32px;
  font-size: 14px;
}
.footer__bottom nav { display: flex; flex-wrap: wrap; gap: 22px; }
.footer__link { color: #A9B1C6; text-decoration: none; font-size: 14px; }
.footer__link:hover { color: var(--white); }

/* ============================================================
   UTILITY / RESPONSIVE OVERRIDES
   ============================================================ */
@media (max-width: 479px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .btn { font-size: 14px; }
  .product { gap: 32px; }
  .card { padding: 28px 24px; }
  .contact-info { padding: 32px 24px; }
}