/* ========================================
   AIRY — Official one-page
   HTML5 / CSS3 / Vanilla JS only
   ======================================== */

:root {
  --navy: #071B45;
  --blue: #06A9E6;
  --light-blue: #35C4F3;
  --red: #F12F4E;
  --white: #FFFFFF;
  --off-white: #F5F8FC;
  --text: #09152E;
  --muted: #687183;
  --border: rgba(7, 27, 69, 0.12);

  --shadow-sm: 0 4px 18px rgba(7, 27, 69, 0.06);
  --shadow-md: 0 14px 42px rgba(7, 27, 69, 0.1);
  --radius: 20px;
  --radius-sm: 14px;
  --header-h: 84px;
  --container: 1180px;
  --transition: 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: "Inter", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

h1, h2, h3 {
  font-family: "Manrope", sans-serif;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--navy);
}

h1 {
  font-size: clamp(2.15rem, 5vw, 3.75rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800;
}

h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

p {
  color: var(--muted);
}

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.section {
  padding: clamp(4.5rem, 9vw, 7.5rem) 0;
}

.section-intro {
  max-width: 720px;
  margin-bottom: 3rem;
}

.section-intro p {
  margin-top: 1rem;
  font-size: 1.1rem;
}

.section-title {
  text-align: center;
  margin-bottom: 2.5rem;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.55rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition), border-color var(--transition);
  white-space: nowrap;
}

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

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(7, 27, 69, 0.2);
}

.btn-primary:hover {
  background: #0a2560;
  box-shadow: 0 12px 28px rgba(7, 27, 69, 0.28);
}

.btn-secondary {
  background: var(--white);
  color: var(--navy);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: rgba(6, 169, 230, 0.55);
  color: var(--blue);
  box-shadow: var(--shadow-sm);
}

.btn-red {
  background: var(--red);
  color: var(--white);
  box-shadow: 0 10px 28px rgba(241, 47, 78, 0.26);
}

.btn-red:hover {
  background: #d92642;
  box-shadow: 0 14px 32px rgba(241, 47, 78, 0.34);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}

.btn-nav {
  padding: 0.72rem 1.25rem;
  font-size: 0.875rem;
}

/* ========== HEADER ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease, box-shadow 0.35s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
  box-shadow: 0 6px 24px rgba(7, 27, 69, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1.5rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
}

.logo img {
  width: auto;
  height: 43px;
  max-width: 138px;
  object-fit: contain;
  object-position: left center;
}

.logo-footer img {
  height: 50px;
  max-width: 164px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-list a {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text);
  position: relative;
  transition: color var(--transition);
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--blue);
  transition: width var(--transition);
}

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

.nav-list a:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 10px;
  z-index: 1001;
}

.menu-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  padding: clamp(2rem, 6vw, 4rem) 0 clamp(4rem, 8vw, 6rem);
  background:
    radial-gradient(ellipse 80% 60% at 90% 10%, rgba(53, 196, 243, 0.18), transparent 55%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(6, 169, 230, 0.1), transparent 50%),
    linear-gradient(180deg, var(--off-white) 0%, var(--white) 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  margin-top: 1.25rem;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.hero-meta {
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--muted);
}

/* Hero mockup */
.hero-visual {
  position: relative;
  min-height: 480px;
}

.mockup {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 480px;
}

.mockup-card {
  position: absolute;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.15rem;
  box-shadow: var(--shadow-sm);
  width: min(240px, 70%);
}

.mockup-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: var(--white);
}

.mockup-icon svg {
  width: 20px;
  height: 20px;
}

.mockup-icon-blue { background: var(--blue); }
.mockup-icon-red { background: var(--red); }
.mockup-icon-navy { background: var(--navy); }
.mockup-icon-light { background: linear-gradient(135deg, var(--light-blue), var(--blue)); }

.mockup-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.mockup-card strong {
  display: block;
  font-family: "Manrope", sans-serif;
  font-size: 0.95rem;
  color: var(--navy);
}

.mockup-meta {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

.vote-bar {
  margin-top: 0.45rem;
  height: 6px;
  background: var(--off-white);
  border-radius: 999px;
  overflow: hidden;
}

.vote-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--light-blue));
  border-radius: inherit;
}

.mockup-checkin { top: 8%; left: 4%; }
.mockup-vote { top: 18%; right: 2%; }
.mockup-network { top: 48%; left: 0; }
.mockup-game { bottom: 18%; right: 8%; }

.mockup-analytics {
  position: absolute;
  bottom: 4%;
  left: 12%;
  width: min(280px, 78%);
  background: linear-gradient(145deg, var(--navy) 0%, #0d2d6b 100%);
  color: var(--white);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow-md);
}

.mockup-analytics .mockup-label {
  color: rgba(255, 255, 255, 0.65);
}

.analytics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin: 0.75rem 0 1rem;
}

.analytics-row em {
  display: block;
  font-style: normal;
  font-size: 0.65rem;
  opacity: 0.7;
}

.analytics-row strong {
  font-family: "Manrope", sans-serif;
  font-size: 1.05rem;
  color: var(--white);
}

.analytics-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 42px;
}

.analytics-chart span {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, var(--light-blue), var(--blue));
  opacity: 0.85;
}

.analytics-chart span:nth-child(1) { height: 35%; }
.analytics-chart span:nth-child(2) { height: 55%; }
.analytics-chart span:nth-child(3) { height: 42%; }
.analytics-chart span:nth-child(4) { height: 78%; }
.analytics-chart span:nth-child(5) { height: 60%; }
.analytics-chart span:nth-child(6) { height: 90%; }
.analytics-chart span:nth-child(7) { height: 70%; }

.float-badge {
  position: absolute;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  color: var(--navy);
}

.badge-live {
  top: 2%;
  right: 28%;
  color: var(--red);
}

.badge-live::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
  margin-right: 0.4rem;
  vertical-align: middle;
  animation: pulse-dot 1.6s ease infinite;
}

.badge-roi { top: 42%; right: -2%; }
.badge-data { bottom: 38%; left: 42%; }

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.85); }
}

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.float-a { animation: float-y 5s ease-in-out infinite; }
.float-b { animation: float-y 6s ease-in-out infinite 0.4s; }
.float-c { animation: float-y 5.5s ease-in-out infinite 0.8s; }
.float-d { animation: float-y 6.5s ease-in-out infinite 0.2s; }
.float-e { animation: float-y 7s ease-in-out infinite 1s; }

/* ========== PROBLEM ========== */
.section-problem {
  background: var(--off-white);
}

.card-grid {
  display: grid;
  gap: 1.25rem;
}

.card-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.info-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.info-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-sm);
  border-color: rgba(6, 169, 230, 0.35);
}

.info-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(6, 169, 230, 0.1);
  color: var(--blue);
  display: grid;
  place-items: center;
  margin-bottom: 1.15rem;
}

.info-card-icon svg {
  width: 24px;
  height: 24px;
}

.info-card h3 {
  margin-bottom: 0.65rem;
  font-size: 1.05rem;
}

.info-card p {
  font-size: 0.925rem;
}

/* ========== SOLUTIONS ========== */
.solution-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.solution-card:hover {
  transform: translateY(-6px);
  background: var(--off-white);
  border-color: rgba(6, 169, 230, 0.3);
  box-shadow: var(--shadow-sm);
}

.solution-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(6, 169, 230, 0.15), rgba(53, 196, 243, 0.08));
  color: var(--navy);
  display: grid;
  place-items: center;
  margin-bottom: 1.15rem;
}

.solution-icon svg {
  width: 24px;
  height: 24px;
}

.solution-card h3 {
  margin-bottom: 0.55rem;
}

.solution-card p {
  font-size: 0.925rem;
}

/* ========== JOURNEY ========== */
.section-journey {
  background:
    radial-gradient(ellipse 60% 50% at 0% 50%, rgba(6, 169, 230, 0.08), transparent 60%),
    var(--white);
}

.journey-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.journey-card {
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  border: 1px solid var(--border);
  min-height: 100%;
  transition: transform var(--transition), box-shadow var(--transition);
}

.journey-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.journey-before {
  background: linear-gradient(165deg, #eef7fc 0%, #f7fbfe 100%);
  border-color: rgba(6, 169, 230, 0.2);
}

.journey-during {
  background: linear-gradient(165deg, #071B45 0%, #0d2d6b 100%);
  border-color: transparent;
  color: var(--white);
}

.journey-during h3,
.journey-during .journey-number {
  color: var(--white);
}

.journey-during li {
  color: rgba(255, 255, 255, 0.82);
}

.journey-during li::before {
  background: var(--light-blue) !important;
}

.journey-after {
  background: linear-gradient(165deg, #e8f8ff 0%, #f3fbff 100%);
  border-color: rgba(53, 196, 243, 0.35);
}

.journey-number {
  display: block;
  font-family: "Manrope", sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 0.75rem;
  letter-spacing: -0.04em;
}

.journey-card h3 {
  margin-bottom: 1.25rem;
  font-size: 1.35rem;
}

.journey-card li {
  position: relative;
  padding-left: 1.15rem;
  margin-bottom: 0.65rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.journey-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}

/* ========== ACTIVATIONS ========== */
.section-activations {
  background: var(--off-white);
}

.activations-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
  margin-bottom: 3rem;
}

.activation-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.activation-chip {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem 1.15rem;
  font-family: "Manrope", sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--navy);
  transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.activation-chip:hover {
  transform: translateY(-3px);
  border-color: rgba(6, 169, 230, 0.4);
  background: rgba(6, 169, 230, 0.06);
  box-shadow: var(--shadow-sm);
}

.phone-mockup {
  display: flex;
  justify-content: center;
}

.phone-frame {
  width: 260px;
  background: var(--navy);
  border-radius: 36px;
  padding: 12px;
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(255, 255, 255, 0.08);
  position: relative;
}

.phone-notch {
  width: 90px;
  height: 10px;
  background: #04122f;
  border-radius: 999px;
  margin: 6px auto 12px;
}

.phone-screen {
  background: linear-gradient(180deg, #0d2d6b 0%, #071B45 55%, #061533 100%);
  border-radius: 28px;
  padding: 1.15rem;
  min-height: 420px;
  color: var(--white);
  overflow: hidden;
  position: relative;
}

.phone-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.phone-badge {
  font-size: 0.7rem;
  font-weight: 700;
  background: rgba(53, 196, 243, 0.2);
  color: var(--light-blue);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
}

.phone-score {
  font-family: "Manrope", sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
}

.phone-game {
  text-align: center;
  padding: 1.5rem 0 1.25rem;
  position: relative;
}

.game-shapes {
  position: relative;
  height: 90px;
  margin-bottom: 1rem;
}

.shape {
  position: absolute;
  border-radius: 12px;
}

.shape-1 {
  width: 48px;
  height: 48px;
  background: var(--red);
  left: 20%;
  top: 10%;
  animation: float-y 4s ease-in-out infinite;
}

.shape-2 {
  width: 36px;
  height: 36px;
  background: var(--light-blue);
  border-radius: 50%;
  right: 22%;
  top: 0;
  animation: float-y 5s ease-in-out infinite 0.5s;
}

.shape-3 {
  width: 56px;
  height: 28px;
  background: var(--blue);
  left: 42%;
  bottom: 0;
  border-radius: 8px;
  animation: float-y 4.5s ease-in-out infinite 0.2s;
}

.phone-rank {
  font-family: "Manrope", sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: 1rem;
}

.phone-play {
  display: inline-flex;
  padding: 0.7rem 1.75rem;
  background: var(--red);
  color: var(--white);
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  pointer-events: none;
}

.phone-leaderboard {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.phone-leaderboard div {
  display: flex;
  justify-content: space-between;
  padding: 0.55rem 0.75rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  font-size: 0.8rem;
}

.phone-leaderboard .is-you {
  background: rgba(6, 169, 230, 0.25);
  border: 1px solid rgba(53, 196, 243, 0.4);
}

.phone-leaderboard em {
  font-style: normal;
  font-weight: 700;
  font-family: "Manrope", sans-serif;
}

.activations-cta {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.activations-cta p {
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
  color: var(--text);
  font-weight: 500;
}

/* ========== USE CASES ========== */
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.usecase-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 280px;
  isolation: isolate;
}

.usecase-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.usecase-media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
}

.usecase-card[data-image="conference"] .usecase-media::before {
  background: linear-gradient(145deg, #0a2a5c 0%, #06A9E6 100%);
}

.usecase-card[data-image="salon"] .usecase-media::before {
  background: linear-gradient(145deg, #071B45 0%, #35C4F3 100%);
}

.usecase-card[data-image="hackathon"] .usecase-media::before {
  background: linear-gradient(145deg, #0d2d6b 0%, #F12F4E 120%);
}

.usecase-card[data-image="corporate"] .usecase-media::before {
  background: linear-gradient(145deg, #09152E 0%, #06A9E6 100%);
}

.usecase-card[data-image="activation"] .usecase-media::before {
  background: linear-gradient(145deg, #071B45 20%, #F12F4E 140%);
}

.usecase-card[data-image="team-building"] .usecase-media::before {
  background: linear-gradient(145deg, #0a3a6e 0%, #35C4F3 100%);
}

.usecase-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  transition: transform 0.5s ease;
}

.usecase-media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(7, 27, 69, 0.15) 0%, rgba(7, 27, 69, 0.82) 100%);
}

.usecase-content {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  padding: 1.5rem;
  color: var(--white);
}

.usecase-content h3 {
  color: var(--white);
  margin-bottom: 0.4rem;
  font-size: 1.2rem;
}

.usecase-content p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
}

.usecase-card:hover .usecase-media img {
  transform: scale(1.06);
}

.usecase-card:hover .usecase-media::before {
  transform: scale(1.05);
  transition: transform 0.5s ease;
}

/* ========== WHY AIRY ========== */
.section-why {
  background: var(--off-white);
}

.why-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.why-card h3 {
  margin-bottom: 0.55rem;
}

.why-card p {
  font-size: 0.925rem;
}

.why-card-featured {
  background: linear-gradient(160deg, var(--navy) 0%, #0d2d6b 100%);
  border-color: transparent;
}

.why-card-featured h3 {
  color: var(--white);
}

.why-card-featured p {
  color: rgba(255, 255, 255, 0.78);
}

.why-card-featured:hover {
  box-shadow: 0 12px 32px rgba(7, 27, 69, 0.28);
}

/* ========== CTA ========== */
.section-cta {
  padding-top: 2rem;
  padding-bottom: clamp(4rem, 8vw, 6rem);
}

.cta-panel {
  background:
    radial-gradient(ellipse 50% 80% at 100% 0%, rgba(53, 196, 243, 0.25), transparent 55%),
    radial-gradient(ellipse 40% 60% at 0% 100%, rgba(241, 47, 78, 0.15), transparent 50%),
    var(--navy);
  border-radius: clamp(24px, 3vw, 32px);
  padding: clamp(2.5rem, 6vw, 4.5rem);
  text-align: center;
  color: var(--white);
}

.cta-panel h2 {
  color: var(--white);
  max-width: 16ch;
  margin: 0 auto 1rem;
}

.cta-panel > p {
  color: rgba(255, 255, 255, 0.78);
  max-width: 40rem;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
}

/* ========== FOOTER ========== */
.site-footer {
  background: #04122f;
  color: rgba(255, 255, 255, 0.72);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
  display: inline-block;
  margin-bottom: 1rem;
}

.footer-brand > p:first-of-type {
  font-family: "Manrope", sans-serif;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.65rem;
}

.footer-desc {
  max-width: 320px;
  font-size: 0.925rem;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.65);
}

.footer-email {
  color: var(--light-blue);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color var(--transition);
}

.footer-email:hover {
  color: var(--white);
}

.footer-links h3,
.footer-social h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-links a {
  display: inline-block;
  padding: 0.3rem 0;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--light-blue);
}

.social-link {
  display: inline-flex;
  padding: 0.55rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  color: var(--white);
  font-weight: 600;
  font-size: 0.875rem;
  transition: background var(--transition), border-color var(--transition);
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--light-blue);
}

.footer-bottom {
  padding-top: 1.5rem;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
}

/* ========== REVEAL ANIMATIONS ========== */
.reveal,
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1), transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible,
.reveal-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.15s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.2s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 0.25s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 0.3s; }
.reveal-stagger.is-visible > *:nth-child(7) { transition-delay: 0.35s; }
.reveal-stagger.is-visible > *:nth-child(8) { transition-delay: 0.4s; }
.reveal-stagger.is-visible > *:nth-child(9) { transition-delay: 0.45s; }
.reveal-stagger.is-visible > *:nth-child(10) { transition-delay: 0.5s; }
.reveal-stagger.is-visible > *:nth-child(11) { transition-delay: 0.55s; }
.reveal-stagger.is-visible > *:nth-child(12) { transition-delay: 0.6s; }

/* ========== REDUCED MOTION ========== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1100px) {
  .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .usecase-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .menu-toggle {
    display: flex;
  }

  .logo img {
    height: 44px;
    max-width: 142px;
  }

  .logo-footer img {
    height: 52px;
    max-width: 170px;
  }

  .nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(100%, 320px);
    height: 100vh;
    height: 100dvh;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: calc(var(--header-h) + 1.5rem) 1.5rem 2rem;
    gap: 1.5rem;
    box-shadow: -12px 0 40px rgba(7, 27, 69, 0.12);
    transform: translateX(100%);
    transition: transform 0.35s ease;
    z-index: 1000;
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-list a {
    display: block;
    padding: 0.9rem 0;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-list a::after {
    display: none;
  }

  .btn-nav {
    width: 100%;
    text-align: center;
  }

  body.menu-open {
    overflow: hidden;
  }

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

  .hero-visual {
    min-height: 420px;
    max-width: 420px;
    margin: 0 auto;
    width: 100%;
  }

  .mockup {
    min-height: 420px;
  }

  .activations-layout {
    grid-template-columns: 1fr;
  }

  .phone-mockup {
    order: -1;
  }

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

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 1.5rem, var(--container));
  }

  :root {
    --header-h: 72px;
  }

  .logo img {
    height: 38px;
    max-width: 124px;
  }

  .logo-footer img {
    height: 46px;
    max-width: 152px;
  }

  .section {
    padding: 3.5rem 0;
  }

  .hero {
    min-height: auto;
    padding-top: 1.5rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .hero-visual {
    min-height: 360px;
  }

  .mockup {
    min-height: 360px;
  }

  .mockup-card {
    width: min(200px, 62%);
    padding: 0.75rem 0.85rem;
  }

  .mockup-icon {
    width: 34px;
    height: 34px;
  }

  .float-badge {
    font-size: 0.65rem;
    padding: 0.35rem 0.65rem;
  }

  .badge-roi {
    right: 0;
  }

  .card-grid-4,
  .card-grid-3 {
    grid-template-columns: 1fr;
  }

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

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

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-panel {
    padding: 2rem 1.35rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 375px) {
  h1 {
    font-size: 1.9rem;
  }

  .hero-meta {
    font-size: 0.8rem;
  }

  .phone-frame {
    width: 230px;
  }
}

@media (min-width: 1400px) {
  :root {
    --container: 1240px;
  }
}