/* ===== Reset & Base ===== */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
  color: #1a1a1a;
  background: radial-gradient(circle at center, #fcd609 0%, #f6bc07 100%);
  min-height: 100vh;
  min-height: 100dvh;
}

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

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

ul {
  list-style: none;
}

/* ===== Page ===== */

.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
}

/* ===== Header ===== */

.header {
  padding: 28px 40px 0;
  flex-shrink: 0;
}

.logo img {
  width: 180px;
  height: auto;
}

/* ===== Hero ===== */

.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0;
  padding: 0 40px 40px;
  position: relative;
}

.hero__helmet {
  width: clamp(120px, 20vw, 240px);
  height: auto;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.hero__text {
  padding-top: 30px;
}

.hero__title {
  font-family: 'Unbounded', sans-serif;
  font-size: clamp(1.8rem, 4.5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.hero__title2 {
  font-family: 'Unbounded', sans-serif;
  font-size: clamp(1.22rem, 3.08vw, 2.9rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.hero__subtitle {
  margin-top: 10px;
  font-size: clamp(0.85rem, 1.4vw, 1.1rem);
  font-weight: 500;
  opacity: 0.65;
}

/* ===== Info ===== */

.info {
  position: relative;
  display: flex;
  justify-content: center;
  gap: 30px;
  padding: 0 40px;
  flex-shrink: 0;
  margin-bottom: 40px;
}

.info::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  margin-left: -2px;
  width: 4px;
  height: 100%;
  background: #000;
}

.info__block {
  width: 50%;
  padding: 15px;
}

.info__block--portfolio {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
}

.info__block--contacts {
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.info__heading {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 15px;
}

.info__qr-row {
  display: flex;
  align-items: flex-end;
  gap: 25px;
}

.info__qr {
  width: 120px;
  height: auto;
}

.download-presentation {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  text-align: center;
}

.download-presentation:hover .download-presentation__icon  {
  transform: scale(1.1);
}

.download-presentation__icon {
  width: 30px;
  height: 30px;
  transition: transform 0.2s;
}

.download-presentation__text {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.35;
}


.contacts {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 300;
}

.contacts__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  transition: opacity 0.2s;
}

.contacts__link:hover {
  opacity: 0.65;
}

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

/* ===== Footer ===== */

.footer {
  background: #000;
  color: #fff;
  text-align: center;
  padding: 14px 24px;
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

._desktop {
  display: block;
}

._mobile {
  display: none;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 768px) {
  .header {
    padding: 20px 24px 0;
  }

  .hero {
    flex-direction: column;
    text-align: center;
    padding: 10px 24px;
    gap: 6px;
  }

  .hero__text {
    padding-left: 0;
  }

  .info {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
    padding: 0 24px 20px;
  }

  .info::before {
    display: none;
  }

  .info__block--portfolio {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .info__qr-row {
    justify-content: center;
  }

  .info__block--contacts {
    text-align: center;
  }

  .info__block--contacts .contacts__link {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  ._desktop {
    display: none;
  }

  ._mobile {
    display: block;
  }

  .header {
    padding: 16px 16px 0;
  }

  .logo img {
    width: 140px;
  }

  .hero {
    padding: 8px 16px;
  }

  .hero__helmet {
    width: 120px;
  }

  .hero__title {
    font-size: 1.6rem;
  }

  .hero__subtitle {
    font-size: 0.85rem;
  }

  .info {
    padding: 0 16px 16px;
  }

  .info__block {
    width: 90%;
    padding: 15px 0;
  }

  .info__heading {
    font-size: 0.75rem;
  }

  .contacts__link {
    font-size: 0.78rem;
  }

  .footer {
    font-size: 0.65rem;
    padding: 10px 16px;
  }
}