/* ScanTailor OCR website – Frutiger Aero style */

/* ---------- Tokens ---------- */

:root {
  --font: "Segoe UI", Frutiger, "Frutiger Next", "Myriad Pro", "Helvetica Neue", sans-serif;

  --sky-deep: #2f9be3;
  --sky: #7cc8f2;
  --sky-pale: #d4efff;
  --sky-mist: #f2fbff;
  --navy: #12324f;

  --ink: #10324f;
  --ink-strong: #0c2c48;
  --ink-heading: #0b3d66;
  --ink-muted: #36597a;
  --link: #0a5fa8;
  --link-hover: #063f73;

  --blue-gloss: linear-gradient(180deg, #7fe0ff 0%, #22a8ec 48%, #0b86d4 52%, #1aa3e8 100%);
  --blue-gloss-hover: linear-gradient(180deg, #9be9ff 0%, #3bb6f2 48%, #1592de 52%, #2fb0ef 100%);
  --blue-edge: #0868a8;
  --green-gloss: linear-gradient(180deg, #b6f27a 0%, #6cc72c 48%, #4fae16 52%, #69c42a 100%);
  --green-gloss-hover: linear-gradient(180deg, #c8f79a 0%, #7fd43f 48%, #5cbc20 52%, #7bd23a 100%);
  --green-edge: #3c8a0e;

  --glass: linear-gradient(180deg,
      rgba(255, 255, 255, 0.78) 0%,
      rgba(255, 255, 255, 0.42) 48%,
      rgba(255, 255, 255, 0.30) 52%,
      rgba(255, 255, 255, 0.55) 100%);
  --glass-edge: rgba(255, 255, 255, 0.9);
  --glass-shadow: 0 10px 30px rgba(10, 70, 130, 0.18), inset 0 1px 0 #fff;

  --radius: 20px;
  --radius-pill: 999px;
  --content: 1180px;
  --gutter: 24px;
}

/* ---------- Base ---------- */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: linear-gradient(180deg,
      var(--sky-deep) 0,
      var(--sky) 520px,
      var(--sky-pale) 900px,
      var(--sky-mist) 1300px,
      #fff 1700px);
  overflow-x: hidden;
}

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

a {
  color: var(--link);
}

a:hover {
  color: var(--link-hover);
}

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

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

/* ---------- Building blocks ---------- */

.glass {
  background: var(--glass);
  border: 1px solid var(--glass-edge);
  box-shadow: var(--glass-shadow);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 17px;
  color: #fff;
  text-decoration: none;
}

.button:hover {
  color: #fff;
}

.button--blue {
  background: var(--blue-gloss);
  border-color: var(--blue-edge);
  box-shadow: 0 4px 14px rgba(8, 104, 168, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  text-shadow: 0 1px 1px rgba(0, 60, 110, 0.5);
}

.button--blue:hover {
  background: var(--blue-gloss-hover);
}

.button--green {
  background: var(--green-gloss);
  border-color: var(--green-edge);
  box-shadow: 0 4px 14px rgba(60, 138, 14, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  text-shadow: 0 1px 1px rgba(30, 80, 0, 0.5);
}

.button--green:hover {
  background: var(--green-gloss-hover);
}

.button--glass {
  background: var(--glass);
  border-color: var(--glass-edge);
  box-shadow: var(--glass-shadow);
  color: var(--ink-heading);
}

.button--glass:hover {
  color: var(--ink-strong);
  background: rgba(255, 255, 255, 0.85);
}

.button--small {
  padding: 8px 18px;
  font-size: 16px;
}

.button--large {
  padding: 14px 28px;
  font-size: 19px;
}

.button__icon {
  width: 20px;
  height: 20px;
}

.badge {
  align-self: flex-start;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  color: #0b4a7d;
}

.orb {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #fff 0%, #e6f8ff 18%, #7fd3f7 55%, #1f8fd6 100%);
  box-shadow: 0 6px 16px rgba(20, 110, 180, 0.35), inset 0 -4px 10px rgba(0, 60, 120, 0.25);
}

/* ---------- Header ---------- */

.site-header {
  position: relative;
  z-index: 3;
  padding: 16px var(--gutter);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: var(--content);
  margin: 0 auto;
  padding: 10px 14px 10px 18px;
  border-radius: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-strong);
  text-decoration: none;
}

.brand:hover {
  color: var(--ink-strong);
}

.brand__name {
  font-size: 21px;
  font-weight: 700;
}

.brand--light,
.brand--light:hover {
  color: #fff;
}

.brand--light .brand__name {
  font-size: 17px;
}

.nav__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
}

.nav__link {
  display: block;
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 600;
  color: var(--ink-strong);
  text-decoration: none;
}

.nav__link:hover {
  color: var(--ink-strong);
  background: rgba(255, 255, 255, 0.6);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 48px var(--gutter) 200px;
  overflow: hidden;
}

/* Soap bubbles */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    url("../images/bubble.svg"), url("../images/bubble.svg"), url("../images/bubble.svg"),
    url("../images/bubble.svg"), url("../images/bubble.svg"), url("../images/bubble.svg"),
    url("../images/bubble.svg");
  background-size: 120px, 54px, 28px, 180px, 70px, 36px, 22px;
  background-position: 4% 40px, 13% 230px, 9% 330px, 97% 10px, 84% 300px, 91% 420px, 46% 24px;
  background-repeat: no-repeat;
  pointer-events: none;
}

/* Hills and water */
.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 220px;
  background: url("../images/hills.svg") center bottom / 100% 100% no-repeat;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 48px;
  max-width: var(--content);
  margin: 0 auto;
}

.hero__text {
  display: flex;
  flex: 1 1 440px;
  flex-direction: column;
  gap: 22px;
  min-width: 0;
}

.hero__title {
  font-size: clamp(40px, 5.2vw, 66px);
  line-height: 1.04;
  letter-spacing: -1px;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0, 60, 120, 0.35);
}

.hero__lead {
  max-width: 560px;
  font-size: 21px;
  line-height: 1.5;
  color: #f2faff;
  text-shadow: 0 1px 6px rgba(0, 60, 120, 0.35);
}

.hero__note {
  font-size: 15px;
  color: #e6f5ff;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 6px;
}

.hero__shot {
  flex: 1.35 1 560px;
  min-width: 0;
  margin: 0;
  padding: 8px;
  border-radius: 16px;
  transform: perspective(1800px) rotateY(-4deg) rotateX(1.5deg);
}

.hero__shot img {
  display: block;
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 40, 90, 0.25);
}

/* ---------- Sections ---------- */

.section {
  position: relative;
  padding: 72px var(--gutter);
}

.section__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  max-width: 680px;
  margin: 0 auto 40px;
  text-align: center;
}

.section__title {
  font-size: clamp(30px, 3.4vw, 42px);
  line-height: 1.15;
  letter-spacing: -0.5px;
  color: var(--ink-heading);
}

.section__lead {
  font-size: 19px;
  color: var(--ink-muted);
}

.section__more {
  margin-top: 32px;
  text-align: center;
  font-weight: 600;
}

.section--features {
  padding-top: 40px;
}

.section--steps {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, #e3f5ff 30%, #d2eefe 100%);
}

.section--download {
  overflow: hidden;
  background: linear-gradient(180deg, #d2eefe 0%, #8fd0f5 55%, #3aa2e4 100%);
}

.section--download::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    url("../images/bubble.svg"), url("../images/bubble.svg"),
    url("../images/bubble.svg"), url("../images/bubble.svg");
  background-size: 140px, 46px, 96px, 30px;
  background-position: 6% 85%, 18% 60px, 93% 80px, 80% 88%;
  background-repeat: no-repeat;
  pointer-events: none;
}

.section--download .section__lead {
  color: #17466f;
}

.section--download .section__more a {
  color: #fff;
  text-shadow: 0 1px 4px rgba(0, 60, 120, 0.5);
}

.section--open {
  background: linear-gradient(180deg, #3aa2e4 0%, #1d7fc6 100%);
}

/* ---------- Cards ---------- */

.cards,
.steps,
.downloads {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 22px;
  max-width: var(--content);
  margin: 0 auto;
}

.cards {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.steps {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  counter-reset: step;
}

.downloads {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  max-width: 980px;
}

.card,
.step,
.download {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px;
  border-radius: var(--radius);
}

.card__title {
  font-size: 22px;
  line-height: 1.25;
  color: var(--ink-strong);
}

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

/* Step numbers as glossy buttons */
.step::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--blue-edge);
  border-radius: 50%;
  background: var(--blue-gloss);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.step:last-child::before {
  border-color: var(--green-edge);
  background: var(--green-gloss);
}

.step .card__title {
  font-size: 20px;
}

.download {
  align-items: flex-start;
}

.download .button {
  margin-top: auto;
}

/* ---------- Open source band ---------- */

.open {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 32px;
  max-width: 1060px;
  margin: 0 auto;
  padding: 36px;
  border-radius: 24px;
}

.open__text {
  display: flex;
  flex: 1 1 420px;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  font-size: 18px;
  color: #22496e;
}

.open__links {
  display: flex;
  flex: 0 1 300px;
  flex-direction: column;
  gap: 12px;
  text-align: center;
  font-weight: 600;
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 32px var(--gutter) 40px;
  background: var(--navy);
  color: #cfe4f5;
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: var(--content);
  margin: 0 auto;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 15px;
}

.site-footer__links a {
  color: #cfe4f5;
}

.site-footer__links a:hover {
  color: #fff;
}

/* ---------- Small screens ---------- */

@media (max-width: 640px) {
  :root {
    --gutter: 16px;
  }

  .hero {
    padding-top: 24px;
    padding-bottom: 140px;
  }

  /* Keep the bubbles from covering the text */
  .hero::before {
    opacity: 0.5;
  }

  .hero::after {
    height: 140px;
  }

  .hero__shot {
    flex-basis: 100%;
    transform: none;
  }

  .hero__lead {
    font-size: 19px;
  }

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

  .section {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .open {
    padding: 24px;
  }
}

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