/* =========================================================
   GadgetMate - стили сайта
   Мобильно-ориентированная адаптивная вёрстка (flex/grid)
   ========================================================= */

:root {
  /* Цвета */
  --color-bg: #ffffff;
  --color-bg-soft: #f5f5f5;
  --color-dark: #00201a;
  --color-black: #000000;
  --color-text: #16181a;
  --color-text-soft: #5b6067;
  --color-text-invert: #ffffff;
  --color-accent: #ff8562;
  --color-accent-dark: #fa876b;
  --color-cta: #1e54e9;
  --color-border: #e4e4e4;

  /* Типографика */
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --fs-h1: clamp(2rem, 1.2rem + 4vw, 4.25rem);
  --fs-h2: clamp(1.6rem, 1.1rem + 2vw, 2.75rem);
  --fs-h3: clamp(1.25rem, 1.05rem + 0.8vw, 1.75rem);
  --fs-body: clamp(1rem, 0.95rem + 0.2vw, 1.125rem);
  --fs-small: 0.9375rem;

  /* Прочее */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --container-w: 1200px;
  --gap: clamp(1.25rem, 1rem + 1vw, 2.5rem);
  --section-pad: clamp(3rem, 2.2rem + 3vw, 6.5rem);
  --shadow-soft: 0 20px 45px -25px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-bg);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

button,
input,
textarea {
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-bottom: 0.75rem;
}

/* ---------- Site header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.85rem;
}

.site-header__logo img {
  height: 51px;
  width: auto;
}

.site-header__address {
  display: none;
  font-size: 0.85rem;
  color: var(--color-text-soft);
  line-height: 1.35;
}

.site-header__right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.lang-switch a {
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: background-color 0.15s ease;
}

.lang-switch a:hover,
.lang-switch a[aria-current="page"] {
  background: var(--color-bg-soft);
}

.lang-switch__sep {
  color: var(--color-border);
}

.menu-toggle {
  display: none;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  color: var(--color-text-invert);
  background: var(--color-dark) url("../images/hero-background.jpg")
    center / cover no-repeat;
  padding-block: clamp(4rem, 8vw, 8rem);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 20, 16, 0.55) 0%,
    rgba(0, 20, 16, 0.75) 100%
  );
}

.hero__inner {
  position: relative;
  max-width: 44rem;
}

.hero__title {
  font-size: var(--fs-h1);
  font-weight: 700;
  line-height: 1.08;
}

.hero__text {
  margin-top: 1.25rem;
  font-size: clamp(1rem, 0.9rem + 0.4vw, 1.2rem);
  color: rgba(255, 255, 255, 0.88);
  max-width: 38rem;
}

/* ---------- Generic section ---------- */
.section {
  padding-block: var(--section-pad);
}

.section--soft {
  background: var(--color-bg-soft);
}

.section--dark {
  background: var(--color-dark);
  color: var(--color-text-invert);
}

.section--black {
  background: var(--color-black);
  color: var(--color-text-invert);
}

.section__head {
  max-width: 46rem;
  margin-bottom: clamp(2rem, 1.5rem + 2vw, 3.5rem);
}

.section__title {
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.15;
}

.section__lede {
  margin-top: 1rem;
  color: var(--color-text-soft);
  font-size: var(--fs-body);
}

.section--dark .section__lede,
.section--black .section__lede {
  color: rgba(255, 255, 255, 0.75);
}

/* ---------- Who we are / features ---------- */
.about-intro {
  display: grid;
  gap: var(--gap);
}

.about-intro__text p + p {
  margin-top: 1rem;
  color: var(--color-text-soft);
}

.feature-grid {
  margin-top: clamp(2rem, 1.5rem + 2vw, 3.5rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.feature-card {
  background: var(--color-bg-soft);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.feature-card__icon {
  width: 48px;
  height: 48px;
}

.feature-card__title {
  font-size: 1.05rem;
  font-weight: 700;
}

.feature-card__text {
  color: var(--color-text-soft);
  font-size: 0.95rem;
}

/* ---------- About / values proposition ---------- */
.about-grid {
  display: grid;
  gap: var(--gap);
  align-items: center;
}

.about-grid__media img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about-grid__body p + p {
  margin-top: 1rem;
  color: var(--color-text-soft);
}

.benefit-list {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.75rem;
}

.benefit-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-weight: 600;
}

.benefit-list li::before {
  content: "";
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 0.15rem;
  border-radius: 50%;
  background: var(--color-accent);
  background-image: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
}

/* ---------- Values (dark) ---------- */
.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.value-card {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.value-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
}

.value-card__text {
  margin-top: 0.6rem;
  color: rgba(255, 255, 255, 0.78);
}

/* ---------- Mission ---------- */
.mission {
  display: grid;
  gap: var(--gap);
  align-items: start;
}

.mission__icon {
  width: 64px;
  height: 64px;
  margin-bottom: 1rem;
}

.mission-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 1.9rem;
  box-shadow: var(--shadow-soft);
}

.mission-card__title {
  font-size: 1.2rem;
  font-weight: 700;
}

.mission-card__text {
  margin-top: 0.75rem;
  color: var(--color-text-soft);
}

/* ---------- Contact / form ---------- */
.contact {
  display: grid;
  gap: var(--gap);
  align-items: start;
}

.contact__title {
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.15;
}

.contact-form {
  display: grid;
  gap: 1rem;
  background: var(--color-bg);
  padding: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.form-field {
  display: grid;
  gap: 0.4rem;
}

.form-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-soft);
}

.form-field input,
.form-field textarea {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  background: var(--color-bg-soft);
  color: var(--color-text);
  width: 100%;
  resize: vertical;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-cta);
  background: var(--color-bg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  border-radius: var(--radius-pill);
  padding: 0.95rem 2rem;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.btn-primary {
  background: var(--color-cta);
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px -12px rgba(30, 84, 233, 0.65);
}

.btn:disabled {
  opacity: 0.6;
  cursor: progress;
}

.form-status {
  min-height: 1.2rem;
  font-size: 0.9rem;
}

.form-status[data-state="ok"] {
  color: #1a8a4c;
}

.form-status[data-state="error"] {
  color: #d43f3f;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-black);
  color: rgba(255, 255, 255, 0.75);
  padding-block: clamp(2.5rem, 2rem + 2vw, 4rem);
}

.site-footer__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer__logo {
  display: inline-flex;
  background: #fff;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
}

.site-footer__logo img {
  height: 28px;
  width: auto;
}

.site-footer__lang {
  color: rgba(255, 255, 255, 0.75);
}

.site-footer__lang a:hover,
.site-footer__lang a[aria-current="page"] {
  color: var(--color-text);
}

.site-footer__bottom {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  font-size: 0.85rem;
}

/* =========================================================
   Планшет и выше (>=768px)
   ========================================================= */
@media (min-width: 48rem) {
  .site-header__address {
    display: block;
  }

  .site-header__address--menu {
    display: none;
  }

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

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

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

  .mission {
    grid-template-columns: 80px 1fr;
  }

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

/* =========================================================
   Десктоп (>=64rem / 1024px)
   ========================================================= */
@media (min-width: 64rem) {
  .feature-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .about-grid--reverse {
    direction: rtl;
  }
  .about-grid--reverse > * {
    direction: ltr;
  }
}

/* ---------- Мобильное меню ---------- */
@media (max-width: 47.99rem) {
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    cursor: pointer;
  }

  .menu-toggle span,
  .menu-toggle span::before,
  .menu-toggle span::after {
    content: "";
    display: block;
    width: 18px;
    height: 2px;
    background: var(--color-text);
    position: relative;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .menu-toggle span::before {
    position: absolute;
    top: -6px;
  }

  .menu-toggle span::after {
    position: absolute;
    top: 6px;
  }

  .site-header__right {
    position: fixed;
    inset: 0 0 0 auto;
    top: 0;
    height: 100dvh;
    width: min(78vw, 320px);
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1.5rem;
    padding: 2rem;
    box-shadow: -12px 0 30px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    transition: transform 0.25s ease;
  }

  .site-header__right.is-open {
    transform: translateX(0);
  }

  .lang-switch {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Уважение к настройке "меньше анимаций" */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}