/* ============================================================
   MeLeva — Design System & Styles
   ============================================================ */

/* ----- CSS Custom Properties ----- */
:root {
  --primary: #1A3C5E;
  --primary-hover: #122C46;
  --primary-light: #2A6098;
  --primary-gradient: linear-gradient(135deg, #1A3C5E 0%, #2A6098 50%, #7FB3D9 100%);
  --secondary: #E8602C;
  --secondary-hover: #CC5020;
  --accent: #7FB3D9;
  --accent-hover: #619CC6;

  --text: #1F2937;
  --text-light: #6B7280;
  --text-lighter: #9CA3AF;
  --bg: #FFFFFF;
  --bg-alt: #F9FAFB;
  --bg-dark: #111827;
  --border: #E5E7EB;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

ul {
  list-style: none;
}

/* ----- Container ----- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ----- Skip Link (a11y) ----- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  padding: 8px 16px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  z-index: 10000;
  font-weight: 600;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 16px;
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.938rem;
  line-height: 1.4;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: 0 4px 14px rgba(108, 63, 170, 0.35);
}

.btn--primary:hover {
  box-shadow: 0 6px 20px rgba(108, 63, 170, 0.45);
  transform: translateY(-1px);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(108, 63, 170, 0.3);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
}

.btn--ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(108, 63, 170, 0.04);
}

.btn--outline {
  background: transparent;
  color: var(--text-light);
  border: 1px solid var(--border);
}

.btn--outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(108, 63, 170, 0.05);
}

.btn--lg {
  padding: 14px 32px;
  font-size: 1rem;
}

.btn--sm {
  padding: 8px 18px;
  font-size: 0.813rem;
}

.btn--store {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--bg-dark);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.938rem;
  transition: all var(--transition);
}

.btn--store:hover {
  background: #1E293B;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--store svg {
  flex-shrink: 0;
}

/* ----- Header ----- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(229,231,235,0.5);
  z-index: 1000;
  transition: all var(--transition);
}

.header--scrolled {
  background: rgba(255,255,255,0.95);
  box-shadow: var(--shadow);
}

.header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 32px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header__logo-img {
  border-radius: var(--radius-sm);
  width: 40px;
  height: 40px;
}

.header__logo-text {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text);
}

.header__nav {
  margin-left: auto;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header__nav-link {
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-light);
  transition: all var(--transition);
  position: relative;
}

.header__nav-link:hover {
  color: var(--primary);
  background: rgba(108, 63, 170, 0.06);
}

.header__nav-link--active {
  color: var(--primary);
  font-weight: 600;
}

.header__nav-link--highlight {
  background: var(--secondary);
  color: #fff;
  font-weight: 600;
}

.header__nav-link--highlight:hover {
  background: var(--secondary-hover);
  color: #fff;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.header__auth {
  gap: 6px;
}

.header__auth svg {
  flex-shrink: 0;
}

.header__user {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 4px 12px 4px 4px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  transition: all var(--transition);
  background: var(--bg);
}

.header__user:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-sm);
}

.header__user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.813rem;
  flex-shrink: 0;
}

.header__user-name {
  font-size: 0.813rem;
  font-weight: 600;
  color: var(--text);
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header__user-badge {
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--secondary);
  background: rgba(255,107,53,0.1);
  padding: 1px 6px;
  border-radius: var(--radius-full);
}

.header__cta {
  flex-shrink: 0;
}

/* ----- Mobile Menu ----- */
.header__menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
  z-index: 1001;
}

.header__menu-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}

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

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

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

/* ----- Hero ----- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #F5F3FF 0%, #EDE9FE 30%, #FEF3C7 70%, #ECFDF5 100%);
  z-index: -2;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 80%, rgba(108,63,170,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(255,107,53,0.06) 0%, transparent 70%);
  z-index: -1;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 80px;
}

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

.hero__badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: rgba(108,63,170,0.1);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 0.813rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  width: fit-content;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
}

.hero__title-highlight {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 480px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero__btn svg:last-child {
  transition: transform var(--transition);
}

.hero__btn:hover svg:last-child {
  transform: translateY(2px);
}

.hero__stats {
  display: flex;
  gap: 32px;
  padding-top: 8px;
}

.hero__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero__stat-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.hero__stat-label {
  font-size: 0.813rem;
  color: var(--text-lighter);
  font-weight: 500;
}

.hero__mockup {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__mockup-img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  transform: perspective(1000px) rotateY(-8deg) rotateX(4deg);
  transition: transform var(--transition);
}

.hero__mockup-img:hover {
  transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
}

.hero__wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 120px;
  z-index: 1;
}

.hero__wave svg {
  width: 100%;
  height: 100%;
}

/* ----- Section Shared Styles ----- */
.section {
  padding: 100px 0;
}

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.section__tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(108,63,170,0.08);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 16px;
}

.section__desc {
  font-size: 1.063rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ----- Features Section ----- */
.features {
  background: var(--bg);
  position: relative;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.feature-card__badge {
  align-self: flex-start;
  padding: 4px 10px;
  background: rgba(26, 60, 94, 0.08);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.feature-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: rgba(26, 60, 94, 0.08);
  color: var(--primary);
  margin-bottom: 20px;
}

.feature-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.feature-card__desc {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ----- Gallery Section ----- */
.gallery {
  background: var(--bg-alt);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.gallery__item {
  height: 100%;
}

.gallery__card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
}

.gallery__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(26, 60, 94, 0.2);
}

.gallery__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 4px 12px;
  background: rgba(26, 60, 94, 0.9);
  backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.gallery__img-wrapper {
  position: relative;
  width: 100%;
  background: #F3F4F6;
  overflow: hidden;
  aspect-ratio: 9 / 16;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform var(--transition);
}

.gallery__card:hover .gallery__img {
  transform: scale(1.03);
}

.gallery__zoom-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(26, 60, 94, 0.85);
  backdrop-filter: blur(6px);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  z-index: 3;
}

.gallery__img-wrapper:hover .gallery__zoom-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.gallery__content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
}

.gallery__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.3;
}

.gallery__snippet {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.5;
  margin-bottom: 16px;
}

.gallery__link-btn {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  background: transparent;
  padding: 0;
  text-align: left;
  transition: color var(--transition);
}

.gallery__link-btn:hover {
  color: var(--secondary);
}

/* ----- Lightbox Modal Styles ----- */
.lightbox-modal .lightbox__container {
  background: #ffffff;
  border-radius: var(--radius-xl);
  max-width: 900px;
  width: 92%;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 10001;
  animation: modalIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox__close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 10;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.lightbox__close:hover {
  background: rgba(0, 0, 0, 0.12);
}

.lightbox__body {
  display: grid;
  grid-template-columns: 360px 1fr;
  max-height: 85vh;
}

.lightbox__media {
  background: #F3F4F6;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  max-height: 85vh;
  overflow-y: auto;
}

.lightbox__img {
  max-width: 100%;
  max-height: 70vh;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  object-fit: contain;
}

.lightbox__info {
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-y: auto;
}

.lightbox__tag {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 14px;
  background: rgba(26, 60, 94, 0.1);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.813rem;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.lightbox__title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.25;
}

.lightbox__desc {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 24px;
}

.lightbox__nav {
  display: flex;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

@media (max-width: 992px) {
  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .features__grid {
    grid-template-columns: 1fr;
  }
  .gallery__grid {
    grid-template-columns: 1fr;
  }
  .lightbox__body {
    grid-template-columns: 1fr;
  }
  .lightbox__media {
    padding: 16px;
  }
  .lightbox__img {
    max-height: 45vh;
  }
  .lightbox__info {
    padding: 24px 20px;
  }
}

/* ----- Download Section ----- */
.download {
  background: var(--bg);
}

.download__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.download__info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  padding: 40px 48px;
  background: linear-gradient(135deg, #F5F3FF 0%, #EDE9FE 100%);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 800px;
}

.download__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.download__qrcode {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.download__qrcode-placeholder {
  width: 140px;
  height: 140px;
  border-radius: var(--radius);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  padding: 10px;
}

.download__qrcode-label {
  font-size: 0.813rem;
  color: var(--text-light);
  font-weight: 500;
}

.download__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

.download__copy-field {
  display: flex;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.download__copy-input {
  flex: 1;
  border: none;
  padding: 8px 12px;
  font-size: 0.75rem;
  color: var(--text-light);
  background: transparent;
  outline: none;
  font-family: var(--font);
  min-width: 0;
}

.download__copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: none;
  background: var(--primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
  font-family: var(--font);
  white-space: nowrap;
}

.download__copy-btn:hover {
  background: var(--primary-hover);
}

.download__banner-apple {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: rgba(26, 60, 94, 0.06);
  border: 1px dashed rgba(26, 60, 94, 0.3);
  border-radius: var(--radius);
  color: var(--primary);
  font-size: 0.813rem;
  font-weight: 600;
  width: fit-content;
}

/* ----- Share Section ----- */
.share {
  background: var(--bg-alt);
}

.share__content {
  display: flex;
  justify-content: center;
}

.share__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  max-width: 480px;
  width: 100%;
}

.share__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: var(--primary-gradient);
  color: #fff;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  box-shadow: 0 4px 14px rgba(108, 63, 170, 0.35);
  transition: all var(--transition);
}

.share__btn:hover {
  box-shadow: 0 6px 24px rgba(108, 63, 170, 0.45);
  transform: translateY(-2px);
}

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

.share__or {
  font-size: 0.813rem;
  color: var(--text-lighter);
  font-weight: 500;
  position: relative;
}

.share__or::before,
.share__or::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 40px;
  height: 1px;
  background: var(--border);
}

.share__or::before {
  right: calc(100% + 12px);
}

.share__or::after {
  left: calc(100% + 12px);
}

.share__social {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.share__social-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  transition: all var(--transition);
}

.share__social-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.share__social-link--whatsapp {
  background: #25D366;
}

.share__social-link--telegram {
  background: #0088CC;
}

.share__social-link--twitter {
  background: #000;
}

.share__social-link--facebook {
  background: #1877F2;
}

.share__copy {
  width: 100%;
  margin-top: 8px;
}

.share__copy-label {
  display: block;
  font-size: 0.813rem;
  color: var(--text-light);
  margin-bottom: 8px;
  font-weight: 500;
}

.share__copy-field {
  display: flex;
  gap: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #fff;
}

.share__copy-input {
  flex: 1;
  padding: 12px 16px;
  border: none;
  outline: none;
  font-family: var(--font);
  font-size: 0.875rem;
  color: var(--text);
  background: transparent;
}

.share__copy-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 20px;
  background: var(--primary);
  color: #fff;
  font-size: 0.813rem;
  font-weight: 600;
  transition: background var(--transition);
}

.share__copy-btn:hover {
  background: var(--primary-hover);
}

/* ----- Toast ----- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  padding: 12px 24px;
  background: var(--bg-dark);
  color: #fff;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--shadow-xl);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 9999;
  pointer-events: none;
}

.toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* ----- Footer ----- */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 48px 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer__logo {
  border-radius: var(--radius-sm);
}

.footer__name {
  font-weight: 700;
  font-size: 1.063rem;
  color: #fff;
}

.footer__nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer__link {
  font-size: 0.875rem;
  transition: color var(--transition);
}

.footer__link:hover {
  color: #fff;
}

.footer__copy {
  font-size: 0.813rem;
  color: rgba(255,255,255,0.4);
}

/* ----- Reveal Animations (Intersection Observer) ----- */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal].revealed:nth-child(2) {
  transition-delay: 0.1s;
}
[data-reveal].revealed:nth-child(3) {
  transition-delay: 0.2s;
}
[data-reveal].revealed:nth-child(4) {
  transition-delay: 0.3s;
}
[data-reveal].revealed:nth-child(5) {
  transition-delay: 0.4s;
}
[data-reveal].revealed:nth-child(6) {
  transition-delay: 0.5s;
}

/* ----- Modal ----- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.modal--open {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal__container {
  position: relative;
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 32px;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
  opacity: 0;
}

.modal--open .modal__container {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-light);
  transition: all var(--transition);
}

.modal__close:hover {
  background: var(--bg-alt);
  color: var(--text);
}

.modal__header {
  text-align: center;
  margin-bottom: 8px;
}

.modal__logo {
  display: inline-block;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.modal__title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
}

.modal__desc {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.5;
}

.modal__tabs {
  display: flex;
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 4px;
  margin: 20px 0;
  gap: 4px;
}

.modal__tab {
  flex: 1;
  padding: 10px 16px;
  border-radius: calc(var(--radius) - 2px);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-light);
  transition: all var(--transition);
}

.modal__tab:hover {
  color: var(--text);
}

.modal__tab--active {
  background: #fff;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.modal__body {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ----- Auth Buttons ----- */
.auth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 20px;
  border-radius: var(--radius);
  font-size: 0.938rem;
  font-weight: 600;
  color: var(--text);
  border: 1px solid var(--border);
  background: #fff;
  transition: all var(--transition);
}

.auth-btn:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

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

.auth-btn--google {
  margin-bottom: 4px;
}

/* ----- Auth Divider ----- */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 16px 0;
  color: var(--text-lighter);
  font-size: 0.813rem;
  font-weight: 500;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ----- Auth Form ----- */
.auth-field {
  margin-bottom: 16px;
}

.auth-field label {
  display: block;
  font-size: 0.813rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.auth-field input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.938rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.auth-field input::placeholder {
  color: var(--text-lighter);
}

.auth-field input:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(108,63,170,0.1);
}

.auth-field input.input--error {
  border-color: #EF4444;
}

.auth-field .field__error {
  font-size: 0.75rem;
  color: #EF4444;
  margin-top: 4px;
  display: none;
}

.auth-field .field__error--visible {
  display: block;
}

.auth-submit {
  width: 100%;
  margin-top: 4px;
}

.auth-terms {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-lighter);
  line-height: 1.5;
  margin-top: 16px;
}

.auth-terms a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

/* ----- Modal scroll ----- */
.modal__container::-webkit-scrollbar {
  width: 4px;
}

.modal__container::-webkit-scrollbar-track {
  background: transparent;
}

.modal__container::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

body.modal-open {
  overflow: hidden;
}

/* ----- Responsive ----- */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero__subtitle {
    margin: 0 auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__stats {
    justify-content: center;
  }

  .hero__mockup-img {
    max-width: 280px;
    transform: none;
  }

  .hero__mockup-img:hover {
    transform: none;
  }

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

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

  .download__info {
    grid-template-columns: 1fr 1fr;
    padding: 32px 24px;
    gap: 24px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .container {
    padding: 0 20px;
  }

  .section {
    padding: 72px 0;
  }

  .header__menu-btn {
    display: flex;
  }

  .header__nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: #fff;
    padding: 80px 24px 24px;
    box-shadow: -8px 0 24px rgba(0,0,0,0.08);
    transition: right var(--transition);
    z-index: 1000;
  }

  .header__nav--open {
    right: 0;
  }

  .header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .header__nav-link {
    font-size: 1.063rem;
    padding: 12px 16px;
    width: 100%;
  }

  .header__nav-divider {
    border: none;
    height: 1px;
    background: var(--border);
    margin: 8px 16px;
  }

  .header__nav-link--auth {
    color: var(--primary) !important;
    font-weight: 700 !important;
    font-size: 0.938rem;
    text-align: left;
    background: transparent;
    width: 100%;
  }

  .header__nav-link--auth:hover {
    background: rgba(108,63,170,0.06);
  }

  .header__actions {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-bottom: 40px;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .hero__stats {
    gap: 24px;
  }

  .hero__stat-number {
    font-size: 1.25rem;
  }

  .hero__wave {
    height: 60px;
  }

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

  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .share__social {
    gap: 8px;
  }

  .share__social-link {
    padding: 8px 14px;
    font-size: 0.813rem;
  }

  .share__social-link svg {
    width: 18px;
    height: 18px;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .hero__btn {
    width: 100%;
    max-width: 280px;
  }

  .hero__stats {
    flex-wrap: wrap;
    gap: 16px;
  }

  .gallery__grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .gallery__caption {
    font-size: 0.688rem;
    padding: 24px 8px 8px;
  }

  .download__info {
    grid-template-columns: 1fr;
    padding: 24px 16px;
    gap: 32px;
  }

  .download__card {
    gap: 12px;
  }

  .download__copy-field {
    flex-direction: column;
  }

  .download__copy-input {
    text-align: center;
    padding: 10px 12px;
    font-size: 0.75rem;
  }

  .download__copy-btn {
    justify-content: center;
    padding: 10px 14px;
  }
}

/* ----- Reduced Motion ----- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  html {
    scroll-behavior: auto;
  }
}