:root {
  --ink: #111827;
  --ink-soft: #374151;
  --muted: #6b7280;
  --line: #e5e7eb;
  --surface: #ffffff;
  --surface-soft: #f7f8fa;
  --accent: #ed5b3a;
  --accent-dark: #d94728;
  --accent-soft: #fff0eb;
  --nav-height: 72px;
}

html {
  width: 100%;
  scroll-behavior: smooth;
}

body {
  width: 100%;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink-soft);
  background: var(--surface);
  font-family: 'Merriweather', Georgia, serif;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: rgba(237, 91, 58, .18);
}

body,
button,
a {
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
h5,
h6,
.btn,
.navbar,
.section-kicker,
.eyebrow,
.scroll-cue,
.footer-brand {
  font-family: 'Open Sans', 'Helvetica Neue', Arial, sans-serif;
}

h1,
h2,
h3 {
  color: var(--ink);
}

p {
  font-size: 16px;
  line-height: 1.8;
}

a {
  color: var(--accent);
  transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(237, 91, 58, .35);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 2000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
  font-family: 'Open Sans', Arial, sans-serif;
  font-weight: 700;
  transform: translateY(-150%);
}

.skip-link:focus {
  color: var(--ink);
  transform: translateY(0);
}

section {
  padding: 112px 0;
}

.section-kicker,
.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .2em;
}

.section-heading {
  margin: 0;
  font-size: clamp(34px, 4vw, 54px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: normal;
}

.section-intro {
  max-width: 680px;
  margin: 0 auto 58px;
}

.section-intro > p:last-child {
  margin: 20px 0 0;
  color: var(--muted);
}

.navbar-default {
  min-height: var(--nav-height);
  margin: 0;
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  transition: background-color .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.navbar-default .container {
  min-height: var(--nav-height);
}

.navbar-default .navbar-brand {
  height: var(--nav-height);
  padding: 0 15px;
  color: #fff;
  font-size: 19px;
  font-weight: 700;
  line-height: var(--nav-height);
  letter-spacing: normal;
}

.navbar-default .navbar-brand:hover,
.navbar-default .navbar-brand:focus {
  color: #fff;
}

.navbar-default .navbar-nav > li > a {
  padding-top: 26px;
  padding-bottom: 25px;
  color: rgba(255, 255, 255, .78);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.navbar-default .navbar-nav > li > a:hover,
.navbar-default .navbar-nav > li > a:focus,
.navbar-default .navbar-nav > .active > a,
.navbar-default .navbar-nav > .active > a:hover,
.navbar-default .navbar-nav > .active > a:focus {
  color: #fff;
  background: transparent;
}

.navbar-default.affix,
.navbar-default.nav-open {
  border-color: rgba(17, 24, 39, .08);
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 8px 30px rgba(17, 24, 39, .06);
  backdrop-filter: blur(12px);
}

.navbar-default.affix .navbar-brand,
.navbar-default.nav-open .navbar-brand {
  color: var(--ink);
}

.navbar-default.affix .navbar-brand:hover,
.navbar-default.affix .navbar-brand:focus,
.navbar-default.nav-open .navbar-brand:hover,
.navbar-default.nav-open .navbar-brand:focus {
  color: var(--accent);
}

.navbar-default.affix .navbar-nav > li > a,
.navbar-default.nav-open .navbar-nav > li > a {
  color: var(--muted);
}

.navbar-default.affix .navbar-nav > li > a:hover,
.navbar-default.affix .navbar-nav > li > a:focus,
.navbar-default.affix .navbar-nav > .active > a,
.navbar-default.nav-open .navbar-nav > li > a:hover,
.navbar-default.nav-open .navbar-nav > li > a:focus {
  color: var(--accent);
}

.navbar-default .navbar-toggle {
  margin-top: 18px;
  margin-right: 15px;
  padding: 9px 10px;
  border-color: rgba(255, 255, 255, .42);
  border-radius: 8px;
  background: transparent;
}

.navbar-default .navbar-toggle:hover,
.navbar-default .navbar-toggle:focus {
  background: rgba(255, 255, 255, .12);
}

.navbar-default .navbar-toggle .icon-bar {
  background: #fff;
}

.navbar-default.affix .navbar-toggle,
.navbar-default.nav-open .navbar-toggle {
  border-color: var(--line);
}

.navbar-default.affix .navbar-toggle:hover,
.navbar-default.affix .navbar-toggle:focus,
.navbar-default.nav-open .navbar-toggle:hover,
.navbar-default.nav-open .navbar-toggle:focus {
  background: var(--surface-soft);
}

.navbar-default.affix .navbar-toggle .icon-bar,
.navbar-default.nav-open .navbar-toggle .icon-bar {
  background: var(--ink);
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 760px;
  height: 100vh;
  padding: calc(var(--nav-height) + 60px) 0 88px;
  overflow: hidden;
  color: #fff;
  background: #111827 url('../img/header.jpg') center 48% / cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(9, 16, 30, .91) 0%, rgba(9, 16, 30, .72) 48%, rgba(9, 16, 30, .36) 100%),
    linear-gradient(0deg, rgba(9, 16, 30, .3), transparent 48%);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero .eyebrow {
  color: #ff8a70;
}

.hero h1 {
  max-width: 820px;
  margin: 0;
  color: #fff;
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: normal;
}

.hero-copy {
  max-width: 660px;
  margin: 28px 0 36px;
  color: rgba(255, 255, 255, .78);
  font-size: 19px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: .02em;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease;
}

.btn:hover,
.btn:focus {
  transform: translateY(-2px);
}

.btn-xl {
  padding: 15px 24px;
  font-size: 13px;
}

.btn-primary {
  border-color: var(--accent);
  color: #fff;
  background: var(--accent);
  box-shadow: 0 10px 28px rgba(237, 91, 58, .24);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active,
.btn-primary.active {
  border-color: var(--accent-dark);
  color: #fff;
  background: var(--accent-dark);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, .35);
  color: #fff;
  background: rgba(255, 255, 255, .05);
}

.btn-ghost:hover,
.btn-ghost:focus {
  border-color: rgba(255, 255, 255, .7);
  color: #fff;
  background: rgba(255, 255, 255, .12);
}

.scroll-cue {
  position: absolute;
  z-index: 1;
  right: 4vw;
  bottom: 42px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, .7);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.scroll-cue:hover,
.scroll-cue:focus {
  color: #fff;
  text-decoration: none;
}

.scroll-cue i {
  font-size: 22px;
}

.about-section {
  background: var(--surface);
}

.about-grid {
  display: flex;
  align-items: flex-start;
}

.lead-copy {
  margin: 0 0 22px;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.65;
}

.body-copy {
  margin: 0;
  color: var(--muted);
}

.features-section {
  background: var(--surface-soft);
}

.feature-grid {
  display: flex;
  flex-wrap: wrap;
}

.feature-grid > div {
  display: flex;
}

.feature-card {
  width: 100%;
  min-height: 260px;
  padding: 30px 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 14px 36px rgba(17, 24, 39, .04);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  margin-bottom: 24px;
  border-radius: 14px;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 20px;
}

.feature-card h3 {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.product-section {
  position: relative;
  overflow: hidden;
  background: var(--surface);
}

.product-section::before {
  position: absolute;
  top: -150px;
  right: -150px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: var(--accent-soft);
  content: '';
}

.product-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 28px 70px rgba(17, 24, 39, .09);
}

.product-row {
  display: flex;
  align-items: stretch;
  margin: 0;
}

.product-row > div {
  float: none;
}

.product-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 540px;
  padding: 70px;
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, .9), transparent 34%),
    linear-gradient(145deg, #fff5f1, #f2f4f8);
}

.app-icon-wrap {
  position: relative;
}

.app-icon-wrap::after {
  position: absolute;
  z-index: -1;
  right: 5%;
  bottom: -16px;
  left: 5%;
  height: 30px;
  border-radius: 50%;
  background: rgba(17, 24, 39, .28);
  filter: blur(18px);
  content: '';
}

.app-icon-wrap img {
  display: block;
  width: min(256px, 100%);
  height: auto;
  border-radius: 22%;
}

.product-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 70px 72px;
}

.product-copy h2 {
  margin: 0 0 12px;
  font-size: clamp(38px, 5vw, 62px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: normal;
}

.product-copy > p {
  color: var(--muted);
}

.product-copy .product-tagline {
  margin: 0 0 20px;
  color: var(--ink);
  font-family: 'Open Sans', Arial, sans-serif;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.5;
}

.product-highlights {
  margin: 8px 0 30px;
  padding: 0;
  list-style: none;
  font-family: 'Open Sans', Arial, sans-serif;
}

.product-highlights li {
  margin: 12px 0;
  color: var(--ink-soft);
}

.product-highlights i {
  width: 22px;
  color: var(--accent);
}

.product-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.store-link {
  display: inline-flex;
  border-radius: 8px;
}

.store-link:hover,
.store-link:focus {
  transform: translateY(-2px);
}

.store-link img {
  display: block;
  width: 120px;
  height: 40px;
}

.contact-section {
  color: rgba(255, 255, 255, .72);
  background: var(--ink);
}

.contact-section .section-kicker {
  color: #ff8a70;
}

.contact-section .section-heading {
  color: #fff;
}

.contact-section p:not(.section-kicker) {
  max-width: 620px;
  margin: 22px auto 32px;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-family: 'Open Sans', Arial, sans-serif;
  font-size: 18px;
  font-weight: 700;
}

.contact-link:hover,
.contact-link:focus {
  color: #ff8a70;
  text-decoration: none;
}

footer {
  color: var(--muted);
  background: #0b101b;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
  gap: 24px;
}

.footer-brand {
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: normal;
}

.footer-brand:hover,
.footer-brand:focus {
  color: #ff8a70;
  text-decoration: none;
}

footer p {
  margin: 0;
  font-family: 'Open Sans', Arial, sans-serif;
  font-size: 12px;
}

@media (min-width: 1200px) {
  .container {
    width: 1140px;
  }
}

@media (max-width: 1199px) {
  .feature-grid > div {
    margin-bottom: 30px;
  }

  .product-copy {
    padding: 58px 48px;
  }
}

@media (max-width: 991px) {
  section {
    padding: 88px 0;
  }

  .about-grid {
    display: block;
  }

  .about-grid > div:first-child {
    margin-bottom: 34px;
  }

  .product-row {
    display: block;
  }

  .product-row > div {
    width: 100%;
  }

  .product-visual {
    min-height: 380px;
    padding: 60px;
  }

  .product-copy {
    padding: 58px;
  }
}

@media (max-width: 767px) {
  :root {
    --nav-height: 64px;
  }

  section {
    padding: 72px 0;
  }

  .navbar-default .container {
    min-height: var(--nav-height);
  }

  .navbar-default .navbar-brand {
    height: var(--nav-height);
    line-height: var(--nav-height);
  }

  .navbar-default .navbar-toggle {
    margin-top: 14px;
  }

  .navbar-default .navbar-collapse {
    max-height: calc(100vh - var(--nav-height));
    border-top: 1px solid var(--line);
    background: #fff;
    box-shadow: none;
  }

  .navbar-default .navbar-nav {
    margin: 8px -15px 12px;
  }

  .navbar-default .navbar-nav > li > a,
  .navbar-default.affix .navbar-nav > li > a,
  .navbar-default.nav-open .navbar-nav > li > a {
    padding: 12px 20px;
    color: var(--ink-soft);
  }

  .navbar-default .navbar-nav > li > a:hover,
  .navbar-default .navbar-nav > li > a:focus,
  .navbar-default .navbar-nav > .active > a {
    color: var(--accent);
  }

  .hero {
    min-height: 690px;
    height: 100svh;
    padding-top: calc(var(--nav-height) + 54px);
    background-position: 58% center;
  }

  .hero-overlay {
    background: linear-gradient(90deg, rgba(9, 16, 30, .93), rgba(9, 16, 30, .63));
  }

  .hero h1 {
    font-size: clamp(44px, 13vw, 66px);
  }

  .hero-copy {
    margin-top: 24px;
    font-size: 17px;
    line-height: 1.7;
  }

  .scroll-cue {
    display: none;
  }

  .lead-copy {
    font-size: 19px;
  }

  .section-intro {
    margin-bottom: 42px;
  }

  .feature-card {
    min-height: 230px;
  }

  .product-card {
    border-radius: 22px;
  }

  .product-visual {
    min-height: 320px;
    padding: 48px;
  }

  .app-icon-wrap img {
    max-width: 190px;
  }

  .product-copy {
    padding: 42px 30px 46px;
  }

  .product-copy .product-tagline {
    font-size: 18px;
  }

  .footer-inner {
    flex-direction: column;
    justify-content: center;
    padding: 28px 15px;
    text-align: center;
  }
}

@media (max-width: 479px) {
  .hero-actions,
  .product-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .btn,
  .product-actions .btn {
    width: 100%;
  }

  .store-link {
    align-self: flex-start;
  }

  .feature-grid > div {
    width: 100%;
  }

  .feature-card {
    min-height: 0;
  }

  .contact-link {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}