/* ==========================================================================
   DUYO — Sotuv sayti (landing)
   base.css — dizayn tokenlari, reset, tipografiya va umumiy komponentlar
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokenlar
   -------------------------------------------------------------------------- */
:root {
  /* Brend ranglari */
  --blue: #2563eb;
  --blue-600: #1d4ed8;
  --blue-700: #1e40af;
  --blue-050: #eff5ff;
  --navy: #102033;
  --navy-800: #1a2c44;
  --yellow: #ffc700;
  --yellow-050: #fff8e0;
  --sky: #f4f8ff;
  --green: #22c55e;
  --green-050: #e9fbf0;
  --warning: #facc15;
  --red: #ef4444;

  /* Neytral */
  --white: #ffffff;
  --border: #e6edf7;
  --border-strong: #d6e2f5;
  --text: #102033;
  --muted: #64748b;
  --muted-light: #8b9ab1;

  /* Radiuslar */
  --r-xs: 8px;
  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
  --r-pill: 999px;

  /* Soyalar */
  --sh-xs: 0 1px 2px rgba(16, 32, 51, 0.06);
  --sh-sm: 0 2px 8px rgba(37, 99, 235, 0.06);
  --sh-md: 0 8px 24px rgba(37, 99, 235, 0.08);
  --sh-lg: 0 18px 44px rgba(37, 99, 235, 0.12);
  --sh-xl: 0 30px 70px rgba(16, 32, 51, 0.18);

  /* Layout */
  --container: 1200px;
  --gutter: 24px;
  --nav-h: 72px;

  /* O'tishlar */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast: 0.16s var(--ease);
  --t: 0.24s var(--ease);
  --t-slow: 0.45s var(--ease);

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

/* --------------------------------------------------------------------------
   2. Reset
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.625;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.is-locked {
  overflow: hidden;
}

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: 0;
  background: none;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

table {
  border-collapse: collapse;
  width: 100%;
}

:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.45);
  outline-offset: 3px;
  border-radius: 6px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 200;
  padding: 12px 20px;
  background: var(--blue);
  color: #fff;
  border-radius: var(--r-sm);
  font-weight: 600;
  transition: top var(--t);
}

.skip-link:focus {
  top: 12px;
}

/* --------------------------------------------------------------------------
   3. Tipografiya
   -------------------------------------------------------------------------- */
.h1,
h1 {
  font-size: clamp(30px, 3.2vw, 44px);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.h2 {
  font-size: clamp(24px, 2.5vw, 34px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.h3 {
  font-size: clamp(17px, 1.35vw, 19px);
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.h4 {
  font-size: 17px;
  line-height: 1.4;
  font-weight: 700;
}

.lead {
  font-size: clamp(14px, 1.05vw, 15px);
  line-height: 1.6;
  color: var(--muted);
}

.small {
  font-size: 14px;
  line-height: 1.55;
}

.caption {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

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

/* --------------------------------------------------------------------------
   4. Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  padding-block: clamp(48px, 4.6vw, 76px);
}

.section--tint {
  background: var(--sky);
}

.section--dark {
  background: var(--navy);
  color: #fff;
}

.section--dark .lead,
.section--dark .muted {
  color: rgba(255, 255, 255, 0.72);
}

.section-head {
  max-width: 640px;
  margin: 0 auto clamp(28px, 2.8vw, 42px);
  text-align: center;
}

.section-head .lead {
  margin-top: 10px;
}

.grid {
  display: grid;
  gap: 24px;
}

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

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

/* --------------------------------------------------------------------------
   5. Tugmalar
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: var(--r-sm);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  white-space: nowrap;
  transition: background var(--t), color var(--t), border-color var(--t),
    box-shadow var(--t), transform var(--t-fast);
}

.btn svg {
  flex: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.24);
}

.btn--primary:hover {
  background: var(--blue-600);
  box-shadow: 0 10px 22px rgba(37, 99, 235, 0.3);
}

.btn--outline {
  background: #fff;
  color: var(--blue);
  border: 1.5px solid var(--border-strong);
}

.btn--outline:hover {
  border-color: var(--blue);
  background: var(--blue-050);
}

.btn--dark {
  background: var(--navy);
  color: #fff;
}

.btn--dark:hover {
  background: var(--navy-800);
}

.btn--white {
  background: #fff;
  color: var(--navy);
}

.btn--white:hover {
  background: #eef4ff;
}

.btn--ghost-light {
  border: 1.5px solid rgba(255, 255, 255, 0.28);
  color: #fff;
}

.btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--pill {
  border-radius: var(--r-pill);
}

.btn--lg {
  min-height: 56px;
  padding: 16px 30px;
  font-size: 16px;
}

.btn--block {
  width: 100%;
}

.btn--link {
  min-height: 0;
  padding: 0;
  color: var(--blue);
  font-size: 14px;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1.5px;
  text-decoration-color: rgba(37, 99, 235, 0.35);
}

.btn--link:hover {
  text-decoration-color: var(--blue);
}

/* Do'kon badge'lari (App Store / Google Play) */
.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-height: 56px;
  padding: 9px 20px 9px 17px;
  border-radius: var(--r-sm);
  background: var(--navy);
  color: #fff;
  transition: transform var(--t-fast), box-shadow var(--t), background var(--t);
}

.store-badge:hover {
  background: #1b3050;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(16, 32, 51, 0.22);
}

.store-badge svg {
  flex: none;
  width: 24px;
  height: 24px;
}

.store-badge__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  text-align: left;
}

.store-badge__top {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.02em;
  opacity: 0.78;
}

.store-badge__name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.store-badge--light {
  background: #fff;
  color: var(--navy);
}

.store-badge--light:hover {
  background: #eef4ff;
}

.store-badge--sm {
  min-height: 44px;
  padding: 7px 16px 7px 13px;
  gap: 9px;
}

.store-badge--sm svg {
  width: 19px;
  height: 19px;
}

.store-badge--sm .store-badge__top {
  font-size: 9px;
}

.store-badge--sm .store-badge__name {
  font-size: 13px;
}

/* --------------------------------------------------------------------------
   6. Kartochka, chip, ikonka
   -------------------------------------------------------------------------- */
.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}

.card--hover:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.28);
  box-shadow: var(--sh-lg);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  background: var(--blue-050);
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
}

.chip--yellow {
  background: var(--yellow-050);
  color: #8a6a00;
}

.chip--green {
  background: var(--green-050);
  color: #16794a;
}

.chip--dark {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--blue);
}

.icon-tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--blue-050);
  color: var(--blue);
  flex: none;
}

.icon-tile--yellow {
  background: var(--yellow-050);
  color: #b58600;
}

.icon-tile--green {
  background: var(--green-050);
  color: #15a75b;
}

.icon-tile--navy {
  background: rgba(37, 99, 235, 0.12);
  color: #7fb0ff;
}

.icon-tile--lg {
  width: 56px;
  height: 56px;
  border-radius: 16px;
}

/* --------------------------------------------------------------------------
   7. Qurilma maketlari (telefon / noutbuk)
   -------------------------------------------------------------------------- */
.device {
  position: relative;
  width: 264px;
  flex: none;
  padding: 10px;
  border-radius: 42px;
  background: linear-gradient(160deg, #24374f 0%, #102033 60%);
  box-shadow: var(--sh-xl), inset 0 0 0 1.5px rgba(255, 255, 255, 0.12);
}

.device--yellow {
  background: linear-gradient(160deg, #ffd94a 0%, #ffc700 60%);
  box-shadow: 0 30px 70px rgba(191, 145, 0, 0.28),
    inset 0 0 0 1.5px rgba(255, 255, 255, 0.5);
}

.device--sm {
  width: 208px;
  padding: 8px;
  border-radius: 34px;
}

.device__screen {
  position: relative;
  aspect-ratio: 390 / 780;
  border-radius: 33px;
  overflow: hidden;
  background: var(--sky);
  isolation: isolate;
}

.device--sm .device__screen {
  border-radius: 27px;
}

.device__notch {
  position: absolute;
  top: 9px;
  left: 50%;
  transform: translateX(-50%);
  width: 74px;
  height: 20px;
  border-radius: var(--r-pill);
  background: #102033;
  z-index: 5;
}

.device--sm .device__notch {
  width: 58px;
  height: 16px;
  top: 7px;
}

.laptop {
  width: 100%;
  max-width: 520px;
}

.laptop__lid {
  padding: 12px 12px 12px;
  border-radius: 16px 16px 4px 4px;
  background: linear-gradient(160deg, #2c3e57 0%, #16283e 100%);
  box-shadow: var(--sh-xl), inset 0 0 0 1.5px rgba(255, 255, 255, 0.1);
}

.laptop__screen {
  aspect-ratio: 16 / 10.2;
  border-radius: 8px;
  overflow: hidden;
  background: #f6f9ff;
}

.laptop__base {
  height: 13px;
  border-radius: 0 0 12px 12px;
  background: linear-gradient(180deg, #2c3e57 0%, #1b2c42 100%);
  margin-inline: -18px;
  position: relative;
}

.laptop__base::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 84px;
  height: 5px;
  border-radius: 0 0 6px 6px;
  background: rgba(0, 0, 0, 0.28);
}

/* --------------------------------------------------------------------------
   8. Dekorativ elementlar
   -------------------------------------------------------------------------- */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.sparkle {
  position: absolute;
  pointer-events: none;
  color: var(--yellow);
  opacity: 0.9;
}

/* --------------------------------------------------------------------------
   9. Animatsiya (scroll reveal)
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

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

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

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* --------------------------------------------------------------------------
   10. Umumiy responsiv
   -------------------------------------------------------------------------- */
@media (max-width: 1060px) {
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  :root {
    --gutter: 20px;
  }

  .grid--3,
  .grid--2 {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 22px;
  }
}

/* --------------------------------------------------------------------------
   11. Telefon ekraniga haqiqiy skrinshot qo'yish
   `assets/img/` ga fayl qo'yilsa avtomatik ko'rinadi, bo'lmasa chizilgan
   maket qoladi (img onerror bilan o'zini o'chiradi).
   Tavsiya etilgan o'lcham: 390x844 (yoki 1170x2532 — 3x)
   -------------------------------------------------------------------------- */
.device__shot {
  position: absolute;
  inset: 0;
  z-index: 4;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

/* Bayroqlar (til tanlagich) */
.flag {
  width: 20px;
  height: 14px;
  flex: none;
  border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(16, 32, 51, 0.12) inset;
}

/* Brend logotipi: assets/img/logo.png bo'lsa o'sha, bo'lmasa chizilgan avatar */
.logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}