/* ============================================================
   Simple5 — Shared Stylesheet
   Colors sourced from the app's icon palette
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --color-blue:    #4998F0;
  --color-orange:  #ED8B36;
  --color-green:   #7BD44E;
  --color-teal:    #40E0D0;
  --color-purple:  #B756DC;

  --bg-primary:    #0C0C14;
  --bg-secondary:  #13131F;
  --bg-card:       #1A1A2A;
  --bg-glass:      rgba(26, 26, 42, 0.70);

  --text-primary:  #F0F0F8;
  --text-secondary:#9898B0;
  --text-muted:    #5A5A72;

  --radius-sm:     8px;
  --radius-md:     16px;
  --radius-lg:     24px;
  --radius-xl:     36px;

  --transition:    0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-card:   0 8px 32px rgba(0, 0, 0, 0.45);
  --shadow-glow:   0 0 40px rgba(73, 152, 240, 0.18);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── Utility ────────────────────────────────────────────────── */
.container {
  width: min(1140px, 90%);
  margin-inline: auto;
}

.section {
  padding-block: 96px;
}

.section--tight {
  padding-block: 56px;
}

.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Navigation ─────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  background: transparent;
  transition: background var(--transition), backdrop-filter var(--transition), padding var(--transition);
}
.nav.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.5px;
}
.nav__logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

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

.nav__link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.07);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}
.btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}
.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--color-blue);
  color: #fff;
  box-shadow: 0 4px 20px rgba(73, 152, 240, 0.38);
}
.btn--primary:hover {
  box-shadow: 0 8px 28px rgba(73, 152, 240, 0.5);
}

.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid rgba(255,255,255,0.18);
}
.btn--outline:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.btn--large {
  padding: 16px 32px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding-top: 90px;
  background:
    radial-gradient(ellipse 70% 50% at 65% 50%, rgba(73,152,240,0.10) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 70%, rgba(183,86,220,0.08) 0%, transparent 60%),
    var(--bg-primary);
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 100px;
  background: rgba(73,152,240,0.12);
  border: 1px solid rgba(73,152,240,0.28);
  color: var(--color-blue);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero__heading {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}
.hero__heading em {
  font-style: normal;
  background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 460px;
}

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

.hero__image-wrap {
  display: flex;
  justify-content: center;
  position: relative;
}
.hero__image-wrap::before {
  content: '';
  position: absolute;
  inset: -40px;
  background: radial-gradient(circle, rgba(73,152,240,0.12) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__phone {
  width: min(340px, 90%);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  transition: transform 0.5s ease;
}
.hero__phone:hover {
  transform: scale(1.025) rotate(-1deg);
}

/* ── Story ──────────────────────────────────────────────────── */
.story {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.story__inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  align-items: center;
  gap: 64px;
}

.story__number {
  font-size: clamp(5rem, 12vw, 9rem);
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -4px;
  user-select: none;
}

.story__heading {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.story__text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 560px;
}

/* ── Features ───────────────────────────────────────────────── */
.features__heading {
  text-align: center;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}
.features__sub {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 56px;
  font-size: 1.05rem;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: default;
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
}

.feature-card__number {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.3rem;
  margin-bottom: 18px;
}

.feature-card:nth-child(1) .feature-card__number { background: rgba(73,152,240,0.15); color: var(--color-blue); }
.feature-card:nth-child(1):hover { border-color: rgba(73,152,240,0.3); }

.feature-card:nth-child(2) .feature-card__number { background: rgba(237,139,54,0.15); color: var(--color-orange); }
.feature-card:nth-child(2):hover { border-color: rgba(237,139,54,0.3); }

.feature-card:nth-child(3) .feature-card__number { background: rgba(123,212,78,0.15); color: var(--color-green); }
.feature-card:nth-child(3):hover { border-color: rgba(123,212,78,0.3); }

.feature-card:nth-child(4) .feature-card__number { background: rgba(64,224,208,0.15); color: var(--color-teal); }
.feature-card:nth-child(4):hover { border-color: rgba(64,224,208,0.3); }

.feature-card:nth-child(5) .feature-card__number { background: rgba(183,86,220,0.15); color: var(--color-purple); }
.feature-card:nth-child(5):hover { border-color: rgba(183,86,220,0.3); }

.feature-card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Screenshots ────────────────────────────────────────────── */
.screenshots {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  overflow: hidden;
}

.screenshots__heading {
  text-align: center;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 48px;
}

.carousel {
  position: relative;
}

.carousel__track-wrap {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.carousel__track {
  display: flex;
  gap: 20px;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.carousel__slide {
  flex-shrink: 0;
  width: 220px;
}

.carousel__slide img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}
.carousel__slide img:hover {
  transform: scale(1.03);
  box-shadow: 0 16px 48px rgba(0,0,0,0.6);
}

.carousel__controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.carousel__btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.14);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.carousel__btn:hover {
  border-color: var(--color-blue);
  background: rgba(73,152,240,0.12);
  transform: scale(1.05);
}
.carousel__btn:disabled {
  opacity: 0.3;
  pointer-events: none;
}

/* ── CTA Banner ─────────────────────────────────────────────── */
.cta {
  text-align: center;
  background:
    radial-gradient(ellipse 60% 80% at 50% 50%, rgba(73,152,240,0.10) 0%, transparent 70%),
    var(--bg-primary);
}

.cta__heading {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.cta__sub {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 36px;
}
.cta__store-badge {
  height: 52px;
  transition: transform var(--transition), filter var(--transition);
  display: inline-block;
}
.cta__store-badge:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  padding: 32px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer__links {
  display: flex;
  gap: 20px;
}
.footer__link {
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: color var(--transition);
}
.footer__link:hover {
  color: var(--text-primary);
}
.footer__brand {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ── Legal Pages ─────────────────────────────────────────────── */
.legal {
  padding-top: 120px;
  min-height: 100svh;
}

.legal__header {
  margin-bottom: 56px;
}
.legal__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-blue);
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 24px;
  transition: gap var(--transition);
}
.legal__back:hover {
  gap: 10px;
}
.legal__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 8px;
}
.legal__date {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.legal__body {
  max-width: 740px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.legal__body h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 44px;
  margin-bottom: 14px;
  letter-spacing: -0.3px;
}

.legal__body p {
  margin-bottom: 14px;
}

.legal__body ul {
  padding-left: 24px;
  margin-bottom: 14px;
}
.legal__body ul li {
  margin-bottom: 8px;
}

.legal__body a {
  color: var(--color-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 820px) {
  .section { padding-block: 64px; }

  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }
  .hero__sub { margin-inline: auto; }
  .hero__actions { justify-content: center; }
  .hero__image-wrap { order: -1; }

  .story__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 24px;
  }
  .story__number { text-align: center; }

  .features__grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }

  .nav__link:not(.btn) { display: none; }
}

@media (max-width: 480px) {
  .features__grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}