/* ==========================================================================
   Variables
   ========================================================================== */

:root {
  --bg: #f6f7fb;
  --surface: #fff;
  --ink: #11141b;
  --muted: #6e7380;
  --line: #e5e7ee;
  --primary: #6c5ce7;
  --primary2: #8f7cf7;
  --lime: #c9ff5c;
  --dark: #11151f;
  --radius: 28px;
  --shadow: 0 22px 70px rgba(31, 35, 48, .12);
  --container: 1180px;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: Manrope, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

a {
  text-decoration: none;
  color: inherit;
}

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

main,
section,
header,
footer {
  max-width: 100%;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: auto;
}

.section {
  padding: 110px 0;
  position: relative;
}

/* ==========================================================================
   Ambient Background
   ========================================================================== */

.ambient {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: .18;
  pointer-events: none;
  z-index: -1;
}

.ambient-one {
  width: 520px;
  height: 520px;
  background: #9e8cff;
  right: -180px;
  top: 40px;
}

.ambient-two {
  width: 480px;
  height: 480px;
  background: #c9ff5c;
  left: -220px;
  top: 900px;
}

/* ==========================================================================
   Header / Navigation / Buttons
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246, 247, 251, .82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(222, 224, 232, .8);
}

.header-inner {
  height: 76px;
  display: flex;
  align-items: center;
  gap: 36px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
}

.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--dark);
  color: white;
  display: grid;
  place-items: center;
  font-size: 13px;
}

.nav {
  display: flex;
  gap: 26px;
  margin-left: auto;
  font-size: 14px;
  color: #444a56;
}

.nav a:hover {
  color: var(--primary);
}

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: white;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  flex: 0 0 auto;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  background: var(--dark);
  border-radius: 99px;
  transition: .2s transform, .2s opacity;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-6px) rotate(-45deg);
}

.button {
  min-height: 52px;
  padding: 0 24px;
  border-radius: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  border: 1px solid transparent;
  transition: .25s transform, .25s box-shadow, .25s background;
}

.button:hover {
  transform: translateY(-2px);
}

.button-sm {
  min-height: 43px;
  padding: 0 18px;
}

.button-dark {
  background: var(--dark);
  color: white;
  box-shadow: 0 8px 20px rgba(17, 21, 31, .16);
}

.button-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color: white;
  box-shadow: 0 14px 28px rgba(108, 92, 231, .28);
}

.button-ghost {
  background: white;
  border-color: var(--line);
}

.button-light {
  background: white;
  color: var(--dark);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding-top: 82px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.03fr .97fr;
  gap: 72px;
  align-items: center;
}

.hero-grid > *,
.section-head > *,
.support-grid > *,
.income-grid > *,
.faq-grid > *,
.contact-grid > * {
  min-width: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--primary);
}

.eyebrow span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 6px rgba(201, 255, 92, .25);
}

.hero h1 {
  font-size: clamp(54px, 6vw, 84px);
  line-height: 1.02;
  letter-spacing: -.055em;
  margin: 22px 0 26px;
  max-width: 780px;
}

.hero h1 em {
  font-style: normal;
  color: var(--primary);
}

.lead {
  font-size: 19px;
  color: var(--muted);
  max-width: 680px;
}

.chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 28px 0;
}

.chips span {
  background: white;
  border: 1px solid var(--line);
  padding: 9px 13px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.chips span:before {
  content: '✓';
  color: var(--primary);
  margin-right: 7px;
}

.hero-actions {
  display: flex;
  gap: 12px;
}

.trust-row {
  display: flex;
  gap: 35px;
  margin-top: 42px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.trust-row div {
  display: flex;
  flex-direction: column;
}

.trust-row b {
  font-size: 20px;
}

.trust-row span {
  font-size: 12px;
  color: var(--muted);
}

.hero-visual {
  position: relative;
  min-height: 570px;
}

.glow {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: linear-gradient(135deg, #b5a9ff, #dfff9a);
  filter: blur(40px);
  opacity: .5;
  left: 60px;
  top: 70px;
}

.browser-card {
  position: absolute;
  inset: 55px 0 25px 20px;
  background: white;
  border: 1px solid rgba(255, 255, 255, .8);
  border-radius: 26px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.browser-head {
  height: 52px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  padding: 0 18px;
  font-size: 11px;
  color: var(--muted);
  gap: 16px;
}

.browser-head small {
  margin-left: auto;
  color: #4a9b43;
}

.dots {
  display: flex;
  gap: 5px;
}

.dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ddd;
}

.dots i:first-child {
  background: #ff7b72;
}

.dots i:nth-child(2) {
  background: #ffd36a;
}

.dots i:nth-child(3) {
  background: #77da85;
}

.browser-body {
  height: calc(100% - 52px);
  display: grid;
  grid-template-columns: 72px 1fr;
}

.browser-body aside {
  border-right: 1px solid var(--line);
  padding: 18px 14px;
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 14px;
}

.mini-logo {
  width: 38px;
  height: 38px;
  background: var(--dark);
  color: white;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 11px;
}

.browser-body aside span {
  width: 30px;
  height: 7px;
  background: #e9eaf0;
  border-radius: 99px;
}

.browser-body aside span.active {
  background: var(--primary);
}

.app-content {
  padding: 25px;
}

.app-top {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
}

.app-top small {
  color: var(--primary);
  font-weight: 700;
}

.app-top h3 {
  font-size: 22px;
  margin: 4px 0;
}

.app-top button,
.phone-overlay button {
  border: 0;
  background: var(--dark);
  color: white;
  border-radius: 10px;
  padding: 10px 13px;
  font-weight: 700;
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
}

.visual-grid figure {
  margin: 0;
  background: #f4f4f8;
  border-radius: 15px;
  overflow: hidden;
}

.visual-grid img {
  height: 250px;
  width: 100%;
  object-fit: cover;
}

.visual-grid figcaption {
  padding: 10px;
  font-size: 10px;
  font-weight: 700;
}

.metric-card {
  position: absolute;
  background: rgba(255, 255, 255, .93);
  backdrop-filter: blur(12px);
  border: 1px solid white;
  border-radius: 18px;
  box-shadow: 0 18px 45px rgba(38, 43, 58, .15);
  padding: 14px 16px;
  display: flex;
  gap: 10px;
  align-items: center;
}

.metric-card b,
.metric-card small {
  display: block;
}

.metric-card small {
  color: var(--muted);
  font-size: 10px;
}

.metric-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--lime);
  display: grid;
  place-items: center;
  font-weight: 800;
}

.metric-one {
  left: -15px;
  bottom: 55px;
}

.metric-two {
  right: -20px;
  top: 22px;
}

.floating {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-9px);
  }
}

/* ==========================================================================
   Logo Strip
   ========================================================================== */

.logo-strip {
  background: var(--dark);
  color: white;
  padding: 22px 0;
}

.logo-strip .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo-strip span {
  color: #8d92a0;
  font-size: 12px;
}

.logo-strip b {
  font-size: 13px;
}

/* ==========================================================================
   Section Heads
   ========================================================================== */

.section-head {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 70px;
  align-items: end;
  margin-bottom: 55px;
}

.section-head h2,
.support-copy h2,
.income-copy h2,
.center-head h2,
.faq-intro h2,
.contact-copy h2,
.demo-copy h2 {
  font-size: clamp(40px, 5vw, 66px);
  line-height: 1.07;
  letter-spacing: -.045em;
  margin: 15px 0 0;
}

.section-head p {
  font-size: 18px;
  color: var(--muted);
  margin-bottom: 8px;
}

.center-head {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 60px;
}

.center-head p {
  color: var(--muted);
  font-size: 18px;
}

/* ==========================================================================
   Audience
   ========================================================================== */

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.audience-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  position: relative;
  transition: .3s transform, .3s box-shadow;
}

.audience-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.card-number {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: rgba(17, 20, 27, .76);
  backdrop-filter: blur(8px);
  color: white;
  display: grid;
  place-items: center;
  font-size: 11px;
  z-index: 2;
}

.audience-image img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.card-body {
  padding: 28px;
}

.card-body > span {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--primary);
  font-weight: 800;
}

.card-body h3 {
  font-size: 25px;
  line-height: 1.2;
  margin: 10px 0 12px;
}

.card-body p {
  color: var(--muted);
  font-size: 14px;
}

/* ==========================================================================
   Product / Capabilities
   ========================================================================== */

.product-section {
  background: var(--dark);
  color: white;
  overflow: hidden;
}

.section-head.light p {
  color: #aeb2bd;
}

.capabilities-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr .85fr;
  gap: 18px;
}

.capability {
  background: #1a1f2a;
  border: 1px solid #2a303c;
  border-radius: 24px;
  padding: 28px;
  min-height: 240px;
}

.capability.large {
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 500px;
  background: linear-gradient(160deg, #25203f, #171b25);
}

.capability h3 {
  font-size: 24px;
  margin: 15px 0 8px;
}

.capability p {
  color: #aeb2bd;
  font-size: 14px;
}

.mini-tag {
  display: inline-flex;
  background: rgba(201, 255, 92, .13);
  color: var(--lime);
  border: 1px solid rgba(201, 255, 92, .25);
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

.portrait-stack {
  height: 240px;
  position: relative;
  margin-top: 20px;
}

.portrait-stack img {
  position: absolute;
  width: 42%;
  height: 205px;
  object-fit: cover;
  border-radius: 18px;
  border: 4px solid #252b37;
}

.portrait-stack img:first-child {
  left: 0;
  bottom: 0;
  transform: rotate(-6deg);
}

.portrait-stack img:nth-child(2) {
  left: 29%;
  bottom: 22px;
  z-index: 2;
}

.portrait-stack img:nth-child(3) {
  right: 0;
  bottom: 0;
  transform: rotate(6deg);
}

.icon-box {
  width: 50px;
  height: 50px;
  border-radius: 15px;
  background: var(--lime);
  color: var(--dark);
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 800;
}

.topics {
  display: grid;
  grid-template-columns: .65fr 1.35fr;
  gap: 60px;
  align-items: center;
  margin: 70px 0;
}

.topics small {
  color: #9297a5;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.topics h3 {
  font-size: 34px;
  margin: 8px 0;
}

.topic-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.topic-cloud span {
  border: 1px solid #343a46;
  border-radius: 999px;
  padding: 10px 14px;
  color: #d9dce3;
  font-size: 13px;
}

/* ==========================================================================
   Demo
   ========================================================================== */

.demo-block {
  background: linear-gradient(135deg, var(--primary), #8d7df1);
  border-radius: 34px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 520px;
  overflow: hidden;
}

.demo-copy {
  padding: 58px;
}

.demo-copy .eyebrow {
  color: #ded8ff;
}

.demo-copy p {
  color: #e8e4ff;
  font-size: 17px;
}

.platforms {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.platforms span {
  font-size: 11px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
}

.demo-device {
  position: relative;
  display: grid;
  place-items: end center;
}

.phone {
  width: 310px;
  height: 470px;
  background: #0d1016;
  border: 10px solid #0d1016;
  border-bottom: 0;
  border-radius: 36px 36px 0 0;
  position: relative;
  overflow: hidden;
  box-shadow: 0 35px 80px rgba(25, 16, 67, .38);
  z-index: 2;
}

.phone-top {
  position: absolute;
  width: 95px;
  height: 20px;
  background: #0d1016;
  border-radius: 0 0 15px 15px;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}

.phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.phone-overlay {
  position: absolute;
  inset: auto 18px 18px;
  background: rgba(255, 255, 255, .91);
  color: var(--ink);
  border-radius: 18px;
  padding: 17px;
  backdrop-filter: blur(12px);
}

.phone-overlay small,
.phone-overlay strong {
  display: block;
}

.phone-overlay button {
  margin-top: 12px;
  width: 100%;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, .27);
  border-radius: 50%;
}

.orbit-a {
  width: 420px;
  height: 420px;
  right: -60px;
  top: 60px;
}

.orbit-b {
  width: 280px;
  height: 280px;
  right: 30px;
  top: 130px;
}

/* ==========================================================================
   Support
   ========================================================================== */

.support-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 80px;
  align-items: start;
}

.support-copy {
  position: sticky;
  top: 115px;
}

.support-copy > p {
  font-size: 18px;
  color: var(--muted);
}

.quote {
  margin-top: 35px;
  background: var(--lime);
  padding: 22px;
  border-radius: 18px;
  font-weight: 800;
  font-size: 18px;
}

.support-list {
  display: grid;
  gap: 14px;
}

.support-list article {
  background: white;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 25px;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
}

.support-list article > span {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: #f0efff;
  color: var(--primary);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 12px;
}

.support-list h3 {
  font-size: 20px;
  margin-bottom: 6px;
}

.support-list p {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
}

.support-list .support-accent {
  background: var(--dark);
  color: white;
}

.support-list .support-accent p {
  color: #aeb2bd;
}

/* ==========================================================================
   Income
   ========================================================================== */

.income-section {
  background: #eceaff;
}

.income-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.income-card {
  background: var(--dark);
  color: white;
  border-radius: 30px;
  padding: 34px;
  box-shadow: 0 25px 60px rgba(54, 46, 122, .18);
}

.income-top {
  display: flex;
  justify-content: space-between;
  color: #9aa0ad;
  font-size: 12px;
}

.income-top b {
  font-size: 25px;
  color: var(--lime);
}

.income-card h3 {
  font-size: 30px;
  max-width: 480px;
  margin: 18px 0 28px;
}

.chart {
  height: 230px;
  display: flex;
  align-items: end;
  gap: 12px;
  padding: 20px 0;
  border-bottom: 1px solid #303643;
}

.chart i {
  flex: 1;
  background: linear-gradient(180deg, var(--lime), #8bd938);
  border-radius: 10px 10px 3px 3px;
  box-shadow: 0 0 25px rgba(201, 255, 92, .15);
}

.chart-foot {
  display: flex;
  justify-content: space-between;
  color: #737986;
  font-size: 10px;
  margin-top: 10px;
}

.income-copy > p {
  font-size: 18px;
  color: var(--muted);
}

.income-points {
  margin: 28px 0;
}

.income-points div {
  padding: 18px 0;
  border-top: 1px solid rgba(108, 92, 231, .18);
}

.income-points b,
.income-points span {
  display: block;
}

.income-points span {
  color: var(--muted);
  font-size: 13px;
}

/* ==========================================================================
   Steps
   ========================================================================== */

.steps {
  display: grid;
  grid-template-columns: 1fr 80px 1fr 80px 1fr;
  align-items: center;
}

.steps article {
  text-align: center;
  background: white;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 32px 25px;
  min-height: 230px;
}

.steps article > span {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  background: var(--primary);
  color: white;
  display: grid;
  place-items: center;
  margin: 0 auto 20px;
  font-weight: 800;
}

.steps h3 {
  font-size: 23px;
}

.steps p {
  color: var(--muted);
  font-size: 14px;
}

.step-line {
  height: 1px;
  background: linear-gradient(90deg, var(--line), var(--primary), var(--line));
}

/* ==========================================================================
   FAQ
   ========================================================================== */

.faq-section {
  background: white;
}

.faq-grid {
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  gap: 90px;
}

.faq-intro p {
  color: var(--muted);
  font-size: 17px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

details {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}

summary {
  font-weight: 800;
  font-size: 18px;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 35px;
}

summary::-webkit-details-marker {
  display: none;
}

summary:after {
  content: '+';
  position: absolute;
  right: 0;
  font-size: 25px;
  top: -4px;
  color: var(--primary);
}

details[open] summary:after {
  content: '−';
}

details p {
  color: var(--muted);
  max-width: 720px;
  margin: 13px 0 0;
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact-section {
  background: var(--dark);
  color: white;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
}

.contact-copy > p {
  color: #aeb2bd;
  font-size: 18px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-top: 30px;
}

.contact-links a {
  color: var(--lime);
  font-weight: 800;
}

.contact-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 64px;
}

.contact-button {
  min-width: 250px;
}

.contact-form {
  background: white;
  color: var(--ink);
  padding: 30px;
  border-radius: 28px;
}

.contact-form label {
  display: block;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 16px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 13px 14px;
  margin-top: 7px;
  font: inherit;
  background: #fafafd;
}

.contact-form button {
  width: 100%;
  border: 0;
  cursor: pointer;
}

.contact-form small {
  display: block;
  text-align: center;
  color: var(--muted);
  font-size: 10px;
  margin-top: 12px;
}

.form-status {
  font-size: 13px;
  text-align: center;
  color: #2e8b57;
  margin: 12px 0 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer {
  background: #0a0d12;
  color: #8f95a2;
  padding: 28px 0;
  border-top: 1px solid #1d222c;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
}

.footer-inner .logo {
  color: white;
}

/* ==========================================================================
   Animations / Reveal
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.delay-1 {
  transition-delay: .12s;
}

.delay-2 {
  transition-delay: .24s;
}

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

  .floating {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ==========================================================================
   Responsive — max-width: 1000px
   ========================================================================== */

@media (max-width: 1000px) {
  .header-inner {
    position: relative;
  }

  .menu-toggle {
    display: flex;
  }

  .nav {
    display: none;
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    margin: 0;
    padding: 14px;
    background: rgba(246, 247, 251, .98);
    backdrop-filter: blur(18px);
    border: 1px solid var(--line);
    border-top: 0;
    border-radius: 0 0 18px 18px;
    box-shadow: 0 18px 40px rgba(31, 35, 48, .12);
    flex-direction: column;
    gap: 0;
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    padding: 12px 10px;
    border-bottom: 1px solid var(--line);
  }

  .nav a:last-child {
    border-bottom: 0;
  }

  .hero-grid,
  .support-grid,
  .income-grid,
  .faq-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 580px;
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .audience-grid {
    grid-template-columns: 1fr 1fr;
  }

  .audience-card:last-child {
    grid-column: span 2;
  }

  .capabilities-grid {
    grid-template-columns: 1fr 1fr;
  }

  .capability.large {
    grid-column: span 2;
    grid-row: auto;
  }

  .demo-block {
    grid-template-columns: 1fr;
  }

  .demo-device {
    min-height: 470px;
  }

  .support-copy {
    position: static;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .step-line {
    width: 1px;
    height: 42px;
    margin: auto;
  }

  .logo-strip .container {
    justify-content: flex-start;
    overflow: hidden;
  }

  .logo-strip b:nth-last-child(-n+2) {
    display: none;
  }

  .contact-cta {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .contact-button {
    justify-self: start;
  }
}

/* ==========================================================================
   Responsive — max-width: 680px
   ========================================================================== */

@media (max-width: 680px) {
  .container {
    width: calc(100% - 24px);
    max-width: 100%;
  }

  .section {
    padding: 76px 0;
  }

  .header-inner {
    height: 64px;
    gap: 8px;
  }

  .header .button {
    font-size: 11px;
    padding: 0 12px;
  }

  .logo {
    min-width: 0;
    gap: 8px;
    white-space: nowrap;
  }

  .logo > span:last-child {
    display: inline;
    font-size: 14px;
  }

  .logo-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    flex: 0 0 auto;
  }

  .header-actions {
    gap: 7px;
  }

  .header-cta {
    min-height: 38px;
    padding: 0 10px !important;
    font-size: 10px !important;
    white-space: nowrap;
  }

  .menu-toggle {
    width: 38px;
    height: 38px;
    border-radius: 10px;
  }

  .hero {
    padding-top: 55px;
  }

  .hero-grid {
    display: block;
  }

  .hero-copy,
  .hero-visual {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .hero h1 {
    font-size: clamp(40px, 12vw, 49px);
    overflow-wrap: anywhere;
  }

  .lead {
    font-size: 16px;
    max-width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .button {
    width: 100%;
  }

  .chips {
    max-width: 100%;
  }

  .chips span {
    max-width: 100%;
    white-space: normal;
  }

  .trust-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    gap: 18px;
  }

  .trust-row div {
    min-width: 0;
  }

  .hero-visual {
    min-height: 430px;
    overflow: hidden;
  }

  .browser-card {
    inset: 35px 0 20px;
    left: 0;
    right: 0;
    width: auto;
    max-width: 100%;
  }

  .browser-head span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .browser-body {
    grid-template-columns: 50px 1fr;
  }

  .app-content {
    padding: 15px;
  }

  .app-top button {
    display: none;
  }

  .visual-grid {
    gap: 7px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .visual-grid img {
    height: 165px;
  }

  .metric-card {
    display: none;
  }

  .section-head h2,
  .support-copy h2,
  .income-copy h2,
  .center-head h2,
  .faq-intro h2,
  .contact-copy h2,
  .demo-copy h2 {
    font-size: 40px;
  }

  .audience-grid {
    grid-template-columns: 1fr;
  }

  .audience-card:last-child {
    grid-column: auto;
  }

  .audience-image img {
    height: 230px;
  }

  .capabilities-grid {
    grid-template-columns: 1fr;
  }

  .capability.large {
    grid-column: auto;
    min-height: 500px;
  }

  .topics {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 100%;
  }

  .topic-cloud,
  .platforms {
    max-width: 100%;
  }

  .demo-copy {
    padding: 32px;
  }

  .demo-block,
  .capability,
  .audience-card,
  .income-card,
  .support-list article {
    max-width: 100%;
    min-width: 0;
  }

  .phone {
    width: 270px;
    height: 420px;
  }

  .portrait-stack {
    max-width: 100%;
    overflow: hidden;
  }

  .support-list article {
    grid-template-columns: 45px 1fr;
    padding: 20px;
  }

  .income-card {
    padding: 24px;
  }

  .chart {
    height: 180px;
  }

  .contact-cta {
    gap: 26px;
  }

  .contact-button {
    width: 100%;
    min-width: 0;
  }

  .footer-inner {
    align-items: flex-start;
    gap: 18px;
    flex-wrap: wrap;
  }

  .footer-inner > span {
    max-width: 160px;
  }

  .footer-inner .logo > span:last-child {
    display: inline;
  }
}

/* ==========================================================================
   Responsive — max-width: 390px
   ========================================================================== */

@media (max-width: 390px) {
  .header-cta {
    padding: 0 8px !important;
    font-size: 9px !important;
  }

  .logo > span:last-child {
    font-size: 13px;
  }

  .logo-mark {
    width: 32px;
    height: 32px;
  }

  .menu-toggle {
    width: 36px;
    height: 36px;
  }
}