/* ============================================
   SelfTour — LANDING PAGE STYLES
   ============================================ */

/* ---- CSS Custom Properties ---- */
:root {
  --blue: #1765FF;
  --blue-hover: #0f52d9;
  --dark: #1F1F1F;
  --dark-alt: #202020;
  --white: #FFFFFF;
  --light-bg: #F6F9FE;
  --light-blue: #DAE6FD;
  --text-muted: #4F4F51;
  --border: rgba(31, 102, 239, 0.12);

  --font-heading: 'Nunito', sans-serif;
  --font-body: 'Inter', sans-serif;

  --container: 1280px;
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-pill: 100px;

  --shadow-card: 0 8px 32px rgba(23, 101, 255, 0.10);
  --shadow-phone: 0 24px 64px rgba(0, 0, 0, 0.25);

  /* Hero phone — native mockup 766×1570; screen slightly underlaps bezel to avoid side leaks */
  --phone-aspect-w: 766;
  --phone-aspect-h: 1570;
  --phone-screen-top: 1%;
  --phone-screen-left: 3.1%;
  --phone-screen-width: 93.8%;
  --phone-screen-height: 98.2%;
  --phone-screen-radius-x: 15.4%;
  --phone-screen-radius-y: 4%;
  --phone-notch-top: 2.15%;
  --phone-notch-width: 32%;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark);
  background: var(--white);
  overflow-x: clip;
  max-width: 100%;
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

.desktop-only {
  display: inline;
}

/* ---- TYPOGRAPHY HELPERS ---- */
.section-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 56px;
  line-height: 1.15;
  color: var(--dark);
}

.section-title--white { color: var(--white); }

.section-body {
  font-size: clamp(16px, 1.5vw, 20px);
  font-weight: 400;
  color: var(--dark-alt);
  line-height: 1.7;
}

.section-body--white { color: rgba(255,255,255,0.85); }

.label-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--dark);
  background: #F4F4F5;
  border: none;
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  margin-bottom: 16px;
}

.label-badge__icon {
  flex-shrink: 0;
  display: block;
}

.label-badge--white {
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
}

/* ---- LOGO ---- */
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo__img {
  display: block;
  height: 19px;
  width: auto;
}

.logo__img--light {
  display: none;
}

/* ---- BUTTONS ---- */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  background: var(--dark);
  border-radius: var(--radius-pill);
  padding: 10px 22px;
  transition: background 0.2s, transform 0.15s;
}

.btn-cta:hover {
  background: #333;
  transform: translateY(-1px);
}

.btn-store {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 500;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  transition: transform 0.15s, box-shadow 0.2s;
  cursor: pointer;
}

.btn-store:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.btn-store--light {
  background: var(--white);
  color: var(--dark);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.btn-store--dark {
  background: var(--dark);
  color: var(--white);
}

.btn-store--black {
  background: var(--dark);
  color: var(--white);
}

.btn-store--full {
  width: 100%;
  max-width: 240px;
  justify-content: center;
  font-size: 15px;
  padding: 12px 20px;
  border-radius: var(--radius-md);
}

.store-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.store-buttons .btn-store,
.download-section__btns .btn-store {
  flex: 1 1 200px;
  max-width: 220px;
  min-width: 200px;
  justify-content: center;
}

.title-line {
  font-size: inherit;
}

.nowrap-text {
  white-space: nowrap;
}

/* ---- SOCIAL LINKS ---- */
.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(31,31,31,0.06);
  color: var(--dark);
  transition: background 0.2s, transform 0.15s;
}

.social-link:hover {
  background: rgba(31,31,31,0.12);
  transform: translateY(-2px);
}

.social-link__icon {
  display: block;
  width: 20px;
  height: 20px;
  object-fit: contain;
}


/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: calc(100% - 48px);
  max-width: 900px;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 100px;
  border: 1px solid rgba(0,0,0,0.07);
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  transition: box-shadow 0.3s, background 0.3s;
}

.navbar.scrolled {
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  background: rgba(255,255,255,0.99);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 24px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  font-size: 14px;
  font-weight: 400;
  color: var(--dark);
  transition: color 0.2s;
  position: relative;
}

.nav-link:hover { color: var(--blue); }

.nav-link.active {
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
}

.hamburger {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}


/* ============================================
   MOBILE MENU
   ============================================ */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--white);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100%;
  min-height: 100dvh;
  padding: 12px 20px 32px;
  text-align: center;
}

.mobile-menu__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  align-self: stretch;
  width: 100%;
  gap: 12px;
  height: 48px;
  padding: 0;
  margin-bottom: 24px;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.close-btn {
  background: #F2F2F2;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  box-shadow: none;
  transition: background 0.2s;
}

.close-btn:hover { background: #E8E8E8; }

.mobile-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0;
  width: 100%;
  max-width: 320px;
}

.mobile-nav__link {
  font-size: 22px;
  font-weight: 400;
  color: #9A9A9A;
  width: 100%;
  padding: 14px 0;
  text-align: center;
  border-bottom: none;
  transition: color 0.2s;
}

.mobile-nav__link:hover { color: var(--dark); }
.mobile-nav__link--active { font-weight: 700; color: var(--dark); }

.mobile-menu__bottom {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  width: 100%;
  max-width: 320px;
  padding-top: 24px;
}

.mobile-menu__stores {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.btn-store--menu {
  width: auto;
  min-width: 168px;
  max-width: 200px;
  justify-content: center;
  font-size: 15px;
  font-weight: 500;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  gap: 10px;
}

.mobile-menu__social {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.mobile-menu__social-label {
  font-size: 13px;
  color: #9A9A9A;
  font-weight: 400;
  text-align: center;
}

.social-links--menu {
  gap: 10px;
}

.social-link--menu {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #F2F2F2;
  color: var(--dark);
}

.social-link--menu .social-link__icon {
  filter: brightness(0);
}

.social-link--menu:hover {
  background: #E8E8E8;
}

.mobile-menu__legal {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: #9A9A9A;
  text-align: center;
}

.mobile-menu__legal a {
  color: #9A9A9A;
}

.mobile-menu__legal a:hover { color: var(--dark); }


/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  top: -1px;
}

.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 32%;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 52%;
  z-index: 2;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 48px;
  padding-top: 120px;
  padding-bottom: 300px;
}

.hero__content {
  max-width: 700px;
  width: 100%;
}

.hero__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 56px;
  line-height: 1.12;
  color: var(--white);
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: clamp(14px, 1.3vw, 16px);
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  line-height: 1.6;
  margin-bottom: 36px;
}

.hero__phone-area {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  min-height: clamp(420px, 52vw, 620px);
  z-index: 3;
}

.hero__phone {
  position: relative;
  display: block;
  width: clamp(200px, 22vw, 300px);
  aspect-ratio: var(--phone-aspect-w) / var(--phone-aspect-h);
  flex-shrink: 0;
  z-index: 3;
  line-height: 0;
  overflow: hidden;
  border-radius: 14% / 6.8%;
}

.hero__phone-screen {
  position: absolute;
  top: var(--phone-screen-top);
  left: var(--phone-screen-left);
  width: var(--phone-screen-width);
  height: var(--phone-screen-height);
  border-radius: var(--phone-screen-radius-x) / var(--phone-screen-radius-y);
  overflow: hidden;
  z-index: 1;
  background: #000;
}

.hero__phone-video {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 16;
  object-fit: fill;
  object-position: center center;
}

.hero__phone-notch {
  position: absolute;
  top: var(--phone-notch-top);
  left: 50%;
  transform: translateX(-50%);
  width: var(--phone-notch-width);
  aspect-ratio: 3.4 / 1;
  background: #000;
  border-radius: 999px;
  z-index: 5;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 9%;
  box-sizing: border-box;
}

.hero__phone-notch-lens {
  width: 16%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #2a2a3a 0%, #0c0c14 50%, #000 100%);
  box-shadow: inset 0 0 1px rgba(255, 255, 255, 0.12);
}

.hero__phone-frame {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: fill;
  z-index: 4;
  pointer-events: none;
}

.wave-img {
  position: absolute;
  width: clamp(118px, 13.5vw, 175px);
  pointer-events: none;
  z-index: 1;
  opacity: 0.8;
}

.wave-img--left {
  left: 15%;
  right: auto;
  bottom: clamp(182px, 24.5vw, 272px);
}

.wave-img--right {
  right: 15%;
  left: auto;
  bottom: clamp(122px, 16vw, 182px);
}


/* ============================================
   CITY EXPLORATION SECTION
   ============================================ */
.city-section {
  position: relative;
  z-index: 1;
  padding: clamp(72px, 8vw, 100px) 0 100px;
  background: var(--white);
}

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

.city-section__text {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.city-section__text .section-title {
  margin-bottom: 0;
}

.city-section__note {
  font-size: 15px;
  color: var(--text-muted);
  font-style: italic;
}

.city-section__visual {
  position: relative;
}

.city-section__img {
  width: 100%;
  max-width: 600px;
}


/* ============================================
   3 STEPS SECTION
   ============================================ */
.steps-section {
  padding: 100px 0;
  background: var(--white);
}

.steps-section__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.steps-section__subtitle {
  max-width: 580px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 300px));
  justify-content: center;
  gap: 24px;
}

.step-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  padding: 24px 18px 18px;
  text-align: center;
  min-height: 460px;
}

.step-card--1 { background: #CCEAFC; }
.step-card--2 { background: #EBCA8791; }
.step-card--3 { background: #4B94362B; }

.step-card__body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 0 4px 18px;
}

.step-card__head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.step-card__num {
  width: 28px;
  height: 28px;
  background: var(--dark);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  flex-shrink: 0;
}

.step-card--1 .step-card__num {
  color: #639cb8;
}

.step-card--2 .step-card__num {
  color: #cfa668;
}

.step-card--3 .step-card__num {
  color: #57774e;
}

.step-card__title {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.3;
  text-align: left;
}

.step-card__desc {
  font-size: 13px;
  color: var(--dark);
  opacity: 0.72;
  line-height: 1.5;
  max-width: 220px;
}

.step-card__img-wrap {
  margin-top: auto;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.step-card__img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}


/* ============================================
   BENEFITS SECTION
   ============================================ */
.benefits-section {
  position: relative;
  padding: 48px 0 90px;
  background: linear-gradient(180deg, #0076FB 0%, #0088F5 55%, #4CC4F0 100%);
  overflow: hidden;
}

.benefits-section__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.benefits-section__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
}

.benefits-section__header {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 32px;
  max-width: 978px;
  margin: 0 auto 64px;
}

.benefits-section__intro {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 100%;
}

.benefits-section .section-title--white {
  font-size: 56px;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.benefits-section__subtitle {
  max-width: 613px;
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: rgba(255, 255, 255, 0.7);
}

.benefits-section .label-badge--white {
  padding: 12px 24px;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  margin-bottom: 0;
}

.benefits-section .label-badge__icon {
  width: 24px;
  height: 24px;
}

.benefits-grid {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  max-width: 616px;
  margin: 0 auto;
}

.benefit-card {
  width: 100%;
  background: var(--white);
  border-radius: 32px;
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}

.benefit-card__icon {
  line-height: 0;
  padding: 12px;
  border-radius: 14px;
}

.benefit-card__icon-img {
  width: 48px;
  height: 48px;
}

.benefit-card__title {
  font-family: var(--font-body);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
}

.benefit-card__desc {
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: rgba(31, 31, 31, 0.7);
  max-width: 476px;
}


/* ============================================
   KEY FEATURES SECTION
   ============================================ */
.features-section {
  position: relative;
  padding: 88px 0 96px;
  background: linear-gradient(180deg, #5AABFF 0%, #1765FF 52%, #1254D4 100%);
  overflow: hidden;
}

.features-section__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.features-section__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
}

.features-section__waves {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.wave-img--features.wave-img--left {
  left: 8%;
  right: auto;
  bottom: auto;
  top: 26%;
}

.wave-img--features.wave-img--right {
  right: 10%;
  left: auto;
  bottom: auto;
  top: 68%;
}


.features-section__header {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  max-width: 640px;
  margin: 0 auto 56px;
}

.features-section__header .label-badge {
  margin-bottom: 0;
  border: none;
}

.features-section__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  column-gap: 40px;
  align-items: stretch;
  max-width: 1120px;
  margin: 0 auto;
}

.features-section__side {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.features-section__side--left {
  align-items: flex-end;
  justify-content: flex-end;
}

.features-section__side--right {
  align-items: flex-start;
  justify-content: flex-start;
}

.features-section__grid-spacer {
  width: 100%;
  max-width: 270px;
  min-height: 148px;
  flex-shrink: 0;
  visibility: hidden;
  pointer-events: none;
}

.features-section__phone-col {
  display: flex;
  justify-content: center;
  align-items: center;
}

.features-section__phone {
  width: clamp(250px, 26vw, 360px);
}

.feature-card {
  width: 100%;
  max-width: 270px;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.feature-card__icon {
  color: var(--blue);
  line-height: 0;
}

.feature-card__icon-img {
  width: 24px;
  height: 24px;
}

.feature-card__body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.feature-card__title {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--dark);
}

.feature-card__desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-muted);
}


/* ============================================
   DOWNLOAD SECTION
   ============================================ */
.download-section {
  position: relative;
  padding: 150px 0 80px;
  background: var(--white);
  overflow: hidden;
}

.download-section::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: clamp(320px, 42vw, 560px);
  z-index: 0;
  pointer-events: none;
  opacity: 0.51;
  background: linear-gradient(180deg, #ffffff 0%, #527fda 54%);
}

.download-section__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: start;
  gap: 40px;
}

.download-section__left {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-top: 136px;
}

.download-section__text {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-bottom: 32px;
}

.download-section__btns {
  justify-content: flex-start;
}

.download-section__illust {
  position: absolute;
  bottom: -100px;
  left: 50%;
  z-index: 3;
  width: 100vw;
  max-width: 100vw;
  transform: translateX(-50%);
  pointer-events: none;
  line-height: 0;
}

.download-section__colosseum {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
}

.download-section__wave {
  position: absolute;
  bottom: 0;
  left: 50%;
  z-index: 4;
  width: 100vw;
  max-width: 100vw;
  transform: translateX(-50%) translateY(35%);
  pointer-events: none;
  line-height: 0;
}

.download-section__wave-svg {
  display: block;
  width: 100%;
  height: clamp(104px, 11vw, 176px);
}

.download-section__phone-col {
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
}

.download-section__phone {
  width: clamp(220px, 22vw, 340px);
  filter: drop-shadow(var(--shadow-phone));
  height: 901px;
  width: 432px;
}

.download-section__collage {
  display: none;
}

.download-section__collage-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 560px;
  margin: 0 auto;
  overflow: hidden;
}

.download-section__layer {
  position: absolute;
  display: block;
  height: auto;
  pointer-events: none;
  user-select: none;
}

.download-section__layer--circle {
  z-index: 1;
  left: 50%;
  bottom: 72px;
  transform: translateX(-50%);
  width: min(340px, 92%);
}

.download-section__layer--wave-left {
  z-index: 2;
  left: 20px;
  top: 24px;
  width: 140.64px;
  height: 70.43px;
  object-fit: contain;
}

.download-section__layer--colosseum {
  z-index: 2;
  left: 0;
  bottom: 64px;
  width: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center bottom;
}

.download-section__layer--phone {
  z-index: 3;
  left: 50%;
  top: 75px;
  transform: translateX(-50%);
  width: 203px;
  height: 425px;
  object-fit: contain;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.12));
}

.download-section__layer--grass {
  z-index: 4;
  left: 0;
  bottom: 0;
  width: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center bottom;
}

.download-section__layer--wave-right {
  z-index: 5;
  right: 20px;
  bottom: 108px;
  width: 140.64px;
  height: 70.43px;
  object-fit: contain;
}


/* ============================================
   FOOTER
   ============================================ */
.footer {
  width: 100%;
  background: #1A1A1A;
  padding-top: 64px;
  margin-top: -1px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 80px;
  padding-bottom: 48px;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer__brand .logo__img--footer {
  height: 32px;
  width: auto;
}

.footer__tagline {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
  max-width: 280px;
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__col-title {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.9);
  margin-bottom: 6px;
}

.footer__link {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
}

.footer__link:hover { color: rgba(255,255,255,0.9); }

.social-link--footer {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
}

.social-link--footer:hover {
  background: rgba(255,255,255,0.15);
  color: var(--white);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
}

.footer__copy {
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

.footer__bottom-links {
  display: flex;
  gap: 24px;
}

.footer__bottom-link {
  font-size: 13px;
  color: rgba(255,255,255,0.35);
  transition: color 0.2s;
}

.footer__bottom-link:hover { color: rgba(255,255,255,0.7); }


/* ============================================
   RESPONSIVE — TABLET (≤1024px)
   ============================================ */
@media (max-width: 1024px) {
  .container {
    padding: 0 24px;
  }

  .hero__inner {
    padding-top: 100px;
  }

  .hero__phone {
    width: clamp(200px, 29vw, 260px);
  }

  .city-section__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .steps-grid {
    grid-template-columns: repeat(2, minmax(0, 300px));
  }

  .features-section__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "phone phone"
      "storyteller discovery"
      "language audio";
    gap: 20px;
    max-width: 640px;
  }

  .features-section__side {
    display: contents;
  }

  .feature-card--storyteller { grid-row: auto; grid-area: storyteller; }
  .feature-card--language    { grid-row: auto; grid-area: language; }
  .feature-card--discovery   { grid-row: auto; grid-area: discovery; }
  .feature-card--audio       { grid-row: auto; grid-area: audio; }

  .features-section__grid-spacer {
    display: none;
  }

  .features-section__phone-col {
    grid-area: phone;
    margin-bottom: 8px;
  }

  .feature-card {
    max-width: none;
    justify-self: stretch;
  }

  .download-section__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .download-section__btns {
    justify-content: flex-start;
  }

  .download-section__phone-col {
    justify-content: center;
  }

  .store-buttons {
    flex-wrap: wrap;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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


/* ============================================
   RESPONSIVE — MOBILE (≤767px)
   ============================================ */
@media (max-width: 767px) {
  .desktop-only {
    display: none;
  }

  .container {
    padding: 0 20px;
  }

  /* Navbar */
  .navbar {
    top: 12px;
    width: calc(100% - 32px);
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.22);
    border: none;
    box-shadow: none;
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
  }

  .navbar.scrolled {
    background: rgba(255, 255, 255, 0.94);
    border: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  }

  .navbar:not(.scrolled) .logo__img--dark {
    display: none;
  }

  .navbar:not(.scrolled) .logo__img--light {
    display: block;
    width: 78px;
    height: 15px;
  }

  .navbar.scrolled .logo__img--dark {
    display: block;
    width: 78px;
    height: 15px;
  }

  .navbar.scrolled .logo__img--light {
    display: none;
  }

  .navbar__inner {
    height: 56px;
    padding: 0 8px 0 20px;
  }

  .nav-links {
    display: none;
  }

  .btn-cta--nav {
    display: none;
  }

  .hamburger {
    display: flex;
    margin-left: auto;
  }

  /* Hero */
  .hero {
    min-height: 100svh;
    min-height: 100dvh;
    padding-bottom: 0;
    overflow: hidden;
  }

  .hero__bg-img {
    object-position: center 28%;
  }

  .hero__inner {
    padding-top: 96px;
    padding-bottom: 0;
    gap: 28px;
  }

  .hero__content {
    width: 100%;
    max-width: 360px;
  }

  .hero__title,
  .section-title {
    font-size: 32px;
    line-height: 1.15;
  }

  .hero__title {
    margin-bottom: 16px;
  }

  .steps-section__header .section-title .title-line {
    white-space: normal;
  }

  .hero__subtitle {
    font-size: 14px;
    line-height: 1.55;
    margin-bottom: 24px;
    padding: 0 4px;
    color: rgba(255, 255, 255, 0.7);
  }

  .store-buttons {
    gap: 10px;
    flex-wrap: nowrap;
    justify-content: center;
  }

  .store-buttons .btn-store {
    flex: 1 1 0;
    min-width: 0;
    max-width: none;
  }

  html[data-platform="ios"] .btn-store[data-store="android"],
  html[data-platform="android"] .btn-store[data-store="ios"] {
    display: none;
  }

  html[data-platform="ios"] .mobile-menu__stores .btn-store[data-store="ios"],
  html[data-platform="android"] .mobile-menu__stores .btn-store[data-store="android"] {
    display: inline-flex;
  }

  html[data-platform="ios"] .store-buttons .btn-store[data-store="ios"],
  html[data-platform="android"] .store-buttons .btn-store[data-store="android"] {
    flex: 0 1 auto;
    width: 100%;
    max-width: 280px;
  }

  .btn-store:not(.btn-store--menu) {
    flex: 1 1 0;
    min-width: 0;
    justify-content: center;
    font-size: 14px;
    padding: 12px 14px;
    gap: 8px;
  }

  .btn-store--menu {
    flex: 0 0 auto;
    width: auto;
    min-width: 168px;
    max-width: 200px;
    font-size: 15px;
    padding: 12px 28px;
  }

  .btn-store__icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
  }

  .hero__phone-area {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    min-height: clamp(468px, 90vw, 600px);
  }

  .wave-img {
    width: clamp(72px, 18vw, 104px);
    z-index: 1;
  }

  .wave-img--left {
    left: 6%;
    bottom: clamp(120px, 32vw, 168px);
  }

  .wave-img--right {
    right: 6%;
    bottom: clamp(72px, 20vw, 112px);
  }

  .hero__phone {
    width: clamp(220px, 59.8vw, 286px);
    z-index: 3;
  }

  /* City section */
  .city-section {
    padding: 64px 0;
  }

  .city-section__inner {
    gap: 40px;
  }

  .city-section__text {
    text-align: center;
    align-items: center;
  }

  .city-section__visual {
    display: flex;
    justify-content: center;
  }

  /* Steps */
  .steps-section {
    padding: 64px 0;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 360px;
    margin: 0 auto;
  }

  .step-card {
    padding: 24px 16px 16px;
    min-height: 420px;
  }

  /* Benefits */
  .benefits-section {
    padding: 48px 0 90px;
    background: linear-gradient(179deg, #0374EF 19%, #46A7F2 61%, #84CFF9 100%);
  }

  .benefits-section__header {
    gap: 24px;
    max-width: 350px;
    margin-bottom: 32px;
  }

  .benefits-section__intro {
    gap: 24px;
  }

  .benefits-section .section-title--white {
    font-size: 32px;
    letter-spacing: 0;
  }

  .benefits-section__subtitle {
    max-width: none;
    font-size: 16px;
  }

  .benefits-section .label-badge--white {
    padding: 12px 24px;
    font-size: 13px;
  }

  .benefits-section .label-badge__icon {
    width: 20px;
    height: 20px;
  }

  .benefits-section__bg-img {
    object-position: left bottom;
  }

  .benefits-grid {
    max-width: 350px;
    gap: 12px;
  }

  .benefit-card {
    padding: 32px 20px;
    gap: 10px;
    background: #F8F8F8;
    border-radius: 32px;
  }

  .benefit-card__icon {
    padding: 0;
    border-radius: 0;
  }

  .benefit-card__icon-img {
    width: 36px;
    height: 36px;
  }

  .benefit-card__title {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
  }

  .benefit-card__desc {
    font-size: 16px;
    max-width: none;
  }

  /* Features */
  .features-section {
    padding: 64px 0 32px;
    background: #5AABFF;
  }

  .features-section__header {
    margin-bottom: 40px;
  }

  .features-section__waves {
    display: none;
  }

  .features-section__bg-img {
    object-position: center bottom;
  }

  .features-section__grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "storyteller"
      "language"
      "discovery"
      "audio";
    max-width: 360px;
    gap: 16px;
  }

  .features-section__side {
    display: contents;
  }

  .feature-card--storyteller { grid-area: storyteller; }
  .feature-card--language    { grid-area: language; }
  .feature-card--discovery   { grid-area: discovery; }
  .feature-card--audio       { grid-area: audio; }

  .features-section__grid-spacer {
    display: none;
  }

  .feature-card {
    max-width: none;
    width: 100%;
    align-items: center;
    text-align: center;
  }

  .features-section__phone-col {
    display: none;
  }

  /* Download */
  .download-section {
    padding: 110px 0 0;
    overflow: hidden;
  }

  .download-section::after {
    display: block;
    height: clamp(420px, 110vw, 580px);
    opacity: 0.51;
    background: linear-gradient(180deg, #ffffff 0%, #527fda 54%);
  }

  .download-section__inner {
    grid-template-columns: 1fr;
    justify-items: center;
    position: relative;
    z-index: 1;
    padding-left: 0;
    padding-right: 0;
  }

  .download-section__left {
    padding-top: 0;
    width: 100%;
    max-width: 360px;
    padding-left: 20px;
    padding-right: 20px;
  }

  .download-section__text {
    text-align: center;
    align-items: center;
    padding-bottom: 12px;
  }

  .download-section__text .section-body {
    color: #1F1F1FB2;
  }

  .download-section__btns {
    justify-content: center;
    width: 100%;
  }

  .download-section__btns .btn-store {
    flex: none;
    width: 100%;
    max-width: 300px;
    min-width: 0;
    font-size: 16px;
    padding: 16px 32px;
    gap: 10px;
  }

  .download-section__btns .btn-store__icon {
    width: 22px;
    height: 22px;
  }

  .download-section__phone-col {
    justify-content: center;
  }

  .download-section__collage {
    display: block;
    width: 100%;
    max-width: 100%;
    margin-top: 0;
    margin-left: 0;
    position: relative;
    z-index: 1;
    overflow: hidden;
  }

  .download-section__wave {
    z-index: 5;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
    transform: translateY(42%);
  }

  .download-section__wave-svg {
    height: clamp(88px, 24vw, 128px);
  }

  /* Footer */
  .footer {
    padding-top: 48px;
  }

  .footer__inner {
    gap: 40px;
    padding-bottom: 32px;
  }

  .footer__brand {
    align-items: center;
    text-align: center;
  }

  .footer__brand .logo {
    justify-content: center;
  }

  .footer__brand .logo__img {
    height: 32px;
    width: auto;
  }

  .footer__tagline {
    max-width: 280px;
    text-align: center;
  }

  .footer__links {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer__col {
    align-items: center;
    text-align: center;
  }

  .footer__bottom {
    border-top: none;
    padding-top: 8px;
  }

  .footer__bottom-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0;
  }
}


/* ============================================
   RESPONSIVE — SMALL MOBILE (≤400px)
   ============================================ */
@media (max-width: 400px) {
  .btn-store:not(.btn-store--menu) {
    font-size: 13px;
    padding: 11px 10px;
  }
}


/* ============================================
   SCROLL ANIMATIONS (optional enhancement)
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}