/* ============================================================
   КИНКЭ — style.css
   Design system: Apple (awesome-design-md)
   ============================================================ */

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

:root {
  /* Apple color palette */
  --bg:           #f5f5f7;        /* Light section bg */
  --bg-dark:      #000000;        /* Dark section bg */
  --bg-surface:   #1d1d1f;        /* Dark card surface */
  --bg-surface-2: #272729;        /* Elevated dark card */
  --text:         #1d1d1f;        /* Primary text on light */
  --text-mid:     rgba(0,0,0,.8); /* Secondary on light */
  --text-light:   rgba(0,0,0,.48);/* Tertiary on light */
  --text-on-dark: #ffffff;
  --text-dim:     rgba(255,255,255,.7);
  --text-muted:   rgba(255,255,255,.48);
  --accent:       #0071e3;        /* Apple Blue — interactive only */
  --accent-dark:  #2997ff;        /* Blue on dark bg */
  --link:         #0066cc;        /* Links on light bg */
  --white:        #ffffff;
  --shadow:       rgba(0,0,0,.22) 3px 5px 30px 0px;

  /* Typography — system stack, Inter as primary web font */
  --ff-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --ff-serif: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; /* unified */

  --max-w:      1200px;
  --header-h:   48px;
  --radius:     8px;
  --transition: .3s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--ff-sans);
  background: var(--bg-dark);
  color: var(--text-on-dark);
  line-height: 1.47;
  overflow-x: hidden;
}

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

.container {
  width: min(var(--max-w), 100% - 48px);
  margin-inline: auto;
}

/* ---------- Typography helpers ---------- */
.label {
  display: inline-block;
  font-family: var(--ff-sans);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 16px;
}

/* Label on light bg sections */
.about .label,
.features .label,
.cooperation .label,
.contact-light .label { color: var(--accent); }

.section-title {
  font-family: var(--ff-sans);
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  font-weight: 600;
  line-height: 1.07;
  letter-spacing: -0.028em;
  color: var(--text-on-dark);
  margin-bottom: 20px;
}

/* Section title on light bg */
.about .section-title,
.features .section-title,
.cooperation .section-title { color: var(--text); }

.section-sub {
  font-size: 1.0625rem;
  letter-spacing: -0.022em;
  line-height: 1.47;
  color: var(--text-dim);
  max-width: 560px;
  margin-bottom: 56px;
}

/* Section sub on light bg */
.about .section-sub,
.features .section-sub,
.cooperation .section-sub { color: var(--text-mid); }

.text-center { text-align: center; }
.text-center.section-sub { margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 980px;
  font-family: var(--ff-sans);
  font-size: 1.0625rem;
  font-weight: 400;
  letter-spacing: -0.022em;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1;
}

.btn--dark {
  background: var(--accent);
  color: var(--white);
}
.btn--dark:hover { background: #0077ed; }

.btn--outline {
  background: transparent;
  color: var(--accent-dark);
  border: 1px solid var(--accent-dark);
  margin-top: 32px;
}
.btn--outline:hover { background: rgba(41,151,255,.1); }

/* Outline on light bg */
.about .btn--outline,
.features .btn--outline,
.cooperation .btn--outline,
.products .btn--outline {
  color: var(--link);
  border-color: var(--link);
}
.about .btn--outline:hover,
.features .btn--outline:hover,
.cooperation .btn--outline:hover,
.products .btn--outline:hover { background: rgba(0,102,204,.08); }


/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   HEADER — Apple glass nav
   ============================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background: rgba(0,0,0,.45);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  z-index: 1000;
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: 0 1px 0 rgba(255,255,255,.08); }

.header__logo {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--white);
}
.header__logo-icon {
  color: var(--accent-dark);
  flex-shrink: 0;
  margin-top: 1px;
}

.header__logo-text-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.header__logo-text {
  font-family: var(--ff-sans);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
}
.header__logo-tagline {
  font-size: .62rem;
  font-weight: 400;
  letter-spacing: .03em;
  color: rgba(255,255,255,.3);
  line-height: 1.3;
  white-space: nowrap;
  max-width: 200px;
}
@media (max-width: 480px) {
  .header__logo-tagline { display: none; }
}

.header__nav {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
}
.header__nav a {
  font-size: .75rem;
  font-weight: 400;
  letter-spacing: .01em;
  color: rgba(255,255,255,.8);
  padding: 5px 13px;
  border-radius: 980px;
  border: 1px solid rgba(255,255,255,.14);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.header__nav a:hover {
  color: var(--white);
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.28);
}

.header__right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.header__phone {
  font-size: .75rem;
  font-weight: 400;
  color: rgba(255,255,255,.85);
  transition: opacity var(--transition);
}
.header__phone:hover { opacity: .7; }

.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.header__burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  background: rgba(0,0,0,.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  flex-direction: column;
  padding: 16px 32px 24px;
  z-index: 999;
  gap: 4px;
}
.mobile-nav.open { display: flex; }
.mobile-nav__link {
  font-size: .9375rem;
  font-weight: 400;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  color: rgba(255,255,255,.85);
}
.mobile-nav__phone { color: var(--accent-dark); font-weight: 500; border-bottom: none; }

/* ============================================================
   HERO — video background, full viewport
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-h) + 64px) 24px 80px;
  position: relative;
  overflow: hidden;
  background: var(--bg-dark);
}

/* Видео — абсолютный фон */
.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  opacity: 0;
  transition: opacity 1.4s ease;
  z-index: 0;
}
.hero__video--ready { opacity: 1; }

/* Чёрный оверлей для плавной петли видео */
.hero__video-fade {
  position: absolute;
  inset: 0;
  background: #000;
  opacity: 0;
  z-index: 1;
  pointer-events: none;
}

/* Градиент-оверлей: сверху лёгкое затемнение, снизу уход в чёрный
   Нижний правый угол дополнительно перекрывает вотермарку */
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(to bottom,
      rgba(0,0,0,.45) 0%,
      rgba(0,0,0,.1)  25%,
      rgba(0,0,0,.1)  55%,
      rgba(0,0,0,.7)  82%,
      rgba(0,0,0,1)   100%
    ),
    /* угловой патч на вотермарку */
    radial-gradient(ellipse 560px 320px at 100% 100%,
      rgba(0,0,0,1)   0%,
      rgba(0,0,0,1)   25%,
      rgba(0,0,0,.9)  50%,
      rgba(0,0,0,.4)  75%,
      transparent     100%
    );
}

/* Весь контент выше оверлея */
.hero__tag,
.hero__title,
.hero__sub,
.hero .btn,
.hero__scroll { position: relative; z-index: 3; }

.hero__tag {
  font-size: .75rem;
  font-weight: 400;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.6);
  margin-bottom: 48px;
}

.hero__title {
  font-family: var(--ff-sans);
  font-size: clamp(2.4rem, 5.5vw, 4.8rem);
  font-weight: 600;
  line-height: 1.07;
  letter-spacing: -0.028em;
  color: var(--white);
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero__title-sub {
  white-space: nowrap;
}
@media (max-width: 520px) {
  .hero__title-sub { white-space: normal; text-align: center; }
}

.hero__sub {
  font-size: clamp(.9375rem, 2vw, 1.0625rem);
  letter-spacing: -0.022em;
  line-height: 1.47;
  color: var(--text-dim);
  max-width: 520px;
  margin-bottom: 40px;
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}
.hero__scroll::after {
  content: '';
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,.24);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  40%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* ============================================================
   ABOUT — light gray
   ============================================================ */
.about {
  padding: 120px 0;
  background: var(--bg);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about__text p {
  color: var(--text-mid);
  margin-bottom: 16px;
  line-height: 1.7;
  font-size: .9375rem;
  letter-spacing: -0.014em;
}

.about__stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid rgba(0,0,0,.1);
}

.about__stat-num {
  display: block;
  font-family: var(--ff-sans);
  font-size: 2.8rem;
  font-weight: 600;
  letter-spacing: -0.036em;
  line-height: 1;
  color: var(--text);
}
.about__stat-label {
  display: block;
  font-size: .75rem;
  letter-spacing: -0.008em;
  color: var(--text-light);
  margin-top: 6px;
}

.about__zones {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.zone-card {
  border: none;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  height: 360px;
}
.zone-card:hover {
  transform: translateY(-4px);
  box-shadow: rgba(0,0,0,.38) 0px 16px 48px 0px;
}

/* Карта на всю карточку */
.zone-card__map {
  position: absolute;
  inset: 0;
  background: #0d1b2a;
  z-index: 0;
}

/* Градиент: верх слегка затемнён, к низу уходит в тёмный */
.zone-card__map::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom,
      rgba(0,0,0,.25)  0%,
      rgba(0,0,0,.1)   30%,
      rgba(0,0,0,.55)  65%,
      rgba(10,18,28,.97) 100%
    );
  pointer-events: none;
  z-index: 450;
}

/* Контент поверх карты — прибит к низу */
.zone-card__content {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 20px 24px 24px;
  z-index: 500;
}

/* Текст в тёмных карточках — белый */
.zone-card__content h3 { color: #fff; }
.zone-card__content li  { color: rgba(255,255,255,.72); }
.zone-card__content li::before { color: var(--accent-dark); }

.zone-card__label {
  display: inline-block;
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--accent);
  padding: 3px 10px;
  border-radius: 980px;
  margin-bottom: 10px;
}

.zone-card h3 {
  font-family: var(--ff-sans);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.022em;
  margin-bottom: 12px;
  line-height: 1.25;
}

.zone-card ul { display: flex; flex-direction: column; gap: 5px; }
.zone-card li {
  font-size: .8125rem;
  letter-spacing: -0.008em;
  padding-left: 14px;
  position: relative;
  line-height: 1.4;
}
.zone-card li::before {
  content: '—';
  position: absolute;
  left: 0;
  font-size: .75rem;
}

/* ============================================================
   TRUST — black, dark cards
   ============================================================ */
/* ---------- Underwater rays: TRUST — свет сверху-справа ---------- */
.trust {
  padding: 120px 0;
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}
.trust::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    conic-gradient(
      from 195deg at 108% -15%,
      transparent 0deg,
      rgba(41,151,255,.09) 6deg, transparent 11deg,
      rgba(41,151,255,.06) 17deg, transparent 23deg,
      rgba(41,151,255,.11) 29deg, transparent 35deg,
      rgba(41,151,255,.05) 41deg, transparent 48deg,
      rgba(41,151,255,.08) 54deg, transparent 61deg,
      rgba(41,151,255,.04) 67deg, transparent 76deg,
      transparent 360deg
    ),
    radial-gradient(ellipse 55% 45% at 108% -15%, rgba(41,151,255,.07) 0%, transparent 65%);
}
.trust > .container { position: relative; z-index: 1; }

.trust .label { color: var(--accent-dark); }
.trust .section-title { color: var(--white); }
.trust .section-sub { color: var(--text-dim); }

.trust__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.trust__card {
  background: var(--bg-surface-2);
  border: none;
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: background var(--transition), transform var(--transition);
}
.trust__card:hover { background: #303032; transform: translateY(-3px); }

.trust__icon {
  width: 36px;
  height: 36px;
  margin-bottom: 20px;
  color: var(--accent-dark);
}
.trust__icon svg { width: 100%; height: 100%; display: block; }

.trust__card h4 {
  font-family: var(--ff-sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.022em;
  margin-bottom: 10px;
  color: var(--white);
}

.trust__card p {
  font-size: .8125rem;
  letter-spacing: -0.008em;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ============================================================
   FEATURES — light gray
   ============================================================ */
.features {
  padding: 120px 0;
  background: var(--bg);
}

.features__diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 40px 60px;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
}

.features__center {
  grid-column: 2;
  grid-row: 1 / 3;
  width: 72px;
  height: 72px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.6rem;
  box-shadow: 0 0 0 16px rgba(0,113,227,.12);
}

.features__item { max-width: 260px; }
.features__item--tl, .features__item--bl { text-align: right; justify-self: end; }
.features__item--tr, .features__item--br { text-align: left; justify-self: start; }

.features__item-icon {
  width: 36px;
  height: 36px;
  margin-bottom: 10px;
  display: block;
  color: var(--accent);
}
.features__item-icon svg { width: 100%; height: 100%; display: block; }

.features__item h4 {
  font-family: var(--ff-sans);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.022em;
  margin-bottom: 8px;
  color: var(--text);
}

.features__item p {
  font-size: .875rem;
  letter-spacing: -0.014em;
  color: var(--text-mid);
  line-height: 1.6;
}

/* ============================================================
   PRODUCTS — black, dark panels
   ============================================================ */
/* ---------- Underwater rays: PRODUCTS — свет сверху по центру ---------- */
.products {
  padding: 120px 0;
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}
.products::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    conic-gradient(
      from 155deg at 48% -12%,
      transparent 0deg,
      rgba(41,151,255,.07) 7deg, transparent 12deg,
      rgba(41,151,255,.10) 18deg, transparent 24deg,
      rgba(41,151,255,.05) 30deg, transparent 37deg,
      rgba(41,151,255,.09) 43deg, transparent 49deg,
      rgba(41,151,255,.06) 55deg, transparent 62deg,
      rgba(41,151,255,.08) 68deg, transparent 76deg,
      rgba(41,151,255,.04) 82deg, transparent 90deg,
      transparent 360deg
    ),
    radial-gradient(ellipse 70% 35% at 48% -8%, rgba(41,151,255,.08) 0%, transparent 60%);
}
.products > .container { position: relative; z-index: 1; }

.products .label { color: var(--accent-dark); }
.products .section-title { color: var(--white); }
.products .section-sub { color: var(--text-dim); }

.products__tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}

.products__tab {
  padding: 6px 18px;
  border-radius: 980px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.04);
  font-family: var(--ff-sans);
  font-size: .875rem;
  letter-spacing: -0.014em;
  font-weight: 400;
  color: rgba(255,255,255,.72);
  cursor: pointer;
  transition: var(--transition);
}
.products__tab:hover { border-color: rgba(255,255,255,.4); color: var(--white); }
.products__tab.active { background: var(--white); color: var(--bg-dark); border-color: var(--white); }

.products__panel { display: none; }
.products__panel.active { display: block; }

.products__panel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 8px;
}

.products__category {
  background: var(--bg-surface-2);
  border: none;
  border-radius: var(--radius);
  padding: 24px 20px;
}

.products__category h3 {
  font-family: var(--ff-sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.022em;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  color: var(--white);
}

.products__list { display: flex; flex-direction: column; gap: 8px; }
.products__list li {
  font-size: .8125rem;
  letter-spacing: -0.008em;
  color: var(--text-dim);
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}
.products__list li::before {
  content: '·';
  position: absolute;
  left: 3px;
  color: var(--accent-dark);
  font-size: 1rem;
  line-height: 1.3;
}

.products .btn--outline {
  color: var(--accent-dark);
  border-color: var(--accent-dark);
}
.products .btn--outline:hover { background: rgba(41,151,255,.1); }

/* ============================================================
   COOPERATION — light gray
   ============================================================ */
.cooperation {
  padding: 120px 0;
  background: var(--bg);
  color: var(--text);
}

.cooperation .label { color: var(--accent); }
.cooperation .section-title { color: var(--text); }

.cooperation__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.cooperation__details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.cooperation__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.cooperation__item-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent);
}
.cooperation__item-icon svg { width: 100%; height: 100%; display: block; }

.cooperation__item h4 {
  font-family: var(--ff-sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.022em;
  margin-bottom: 4px;
  color: var(--text);
}

.cooperation__item p {
  font-size: .875rem;
  letter-spacing: -0.014em;
  color: var(--text-mid);
  line-height: 1.6;
}

.cooperation .btn--dark {
  background: var(--accent);
  color: var(--white);
  align-self: flex-start;
  margin-top: 8px;
}
.cooperation .btn--dark:hover { background: #0077ed; }

/* ============================================================
   CONTACT — black
   ============================================================ */
/* ---------- Underwater rays: CONTACT — широкий рассеянный свет слева ---------- */
.contact {
  padding: 120px 0;
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    conic-gradient(
      from 140deg at -8% -18%,
      transparent 0deg,
      rgba(41,151,255,.08) 9deg, transparent 16deg,
      rgba(41,151,255,.12) 23deg, transparent 30deg,
      rgba(41,151,255,.06) 37deg, transparent 45deg,
      rgba(41,151,255,.09) 52deg, transparent 60deg,
      rgba(41,151,255,.05) 67deg, transparent 77deg,
      transparent 360deg
    ),
    radial-gradient(ellipse 60% 50% at -8% -18%, rgba(41,151,255,.09) 0%, transparent 60%);
}
.contact > .container { position: relative; z-index: 1; }

.contact .label { color: var(--accent-dark); }
.contact .section-title { color: var(--white); }

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  margin-top: 16px;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.contact__item:last-child { border-bottom: none; }

.contact__item-label {
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact__item-val {
  font-family: var(--ff-sans);
  font-size: 1.0625rem;
  letter-spacing: -0.022em;
  color: var(--white);
  line-height: 1.5;
  transition: color var(--transition);
}
a.contact__item-val:hover { color: var(--accent-dark); }

.contact__form-placeholder {
  background: var(--bg-surface-2);
  border: none;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}

.contact__form-soon {
  text-align: center;
  padding: 32px;
}
.contact__form-soon span {
  display: block;
  margin-bottom: 16px;
  color: var(--accent);
}
.contact__form-soon span svg {
  width: 36px;
  height: 36px;
}
.contact__form-soon p {
  font-family: var(--ff-sans);
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: -0.022em;
  line-height: 1.5;
  margin-bottom: 12px;
  color: var(--white);
}
.contact__form-sub {
  font-family: var(--ff-sans) !important;
  font-size: .8125rem !important;
  letter-spacing: -0.008em !important;
  color: var(--text-muted) !important;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #111113;
  color: rgba(255,255,255,.4);
  padding: 32px 0;
  border-top: 1px solid rgba(255,255,255,.06);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--white);
}

.footer__copy {
  font-size: .75rem;
  letter-spacing: -0.008em;
  text-align: center;
  line-height: 1.7;
}
.footer__copy a { color: rgba(255,255,255,.4); transition: color var(--transition); }
.footer__copy a:hover { color: var(--white); }

.footer__contacts {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}
.footer__contacts a {
  font-size: .8125rem;
  color: rgba(255,255,255,.4);
  transition: color var(--transition);
}
.footer__contacts a:hover { color: var(--white); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .trust__grid { grid-template-columns: repeat(2, 1fr); }
  .about__grid { grid-template-columns: 1fr; gap: 48px; }
  .features__diagram { gap: 24px 40px; }
}

@media (max-width: 768px) {
  :root { --header-h: 48px; }

  .header__nav { display: none; }
  .header__burger { display: flex; }
  .header { padding: 0 20px; }

  .hero__title { font-size: clamp(2.2rem, 8vw, 3rem); }

  .about__stats { flex-wrap: wrap; gap: 20px; }

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

  .features__diagram {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    gap: 24px;
  }
  .features__center { display: none; }
  .features__item--tl,
  .features__item--bl { text-align: left; justify-self: start; }
  .features__item { max-width: 100%; }

  .cooperation__grid { grid-template-columns: 1fr; gap: 40px; }
  .contact__grid { grid-template-columns: 1fr; }
  .contact__form-placeholder { min-height: 200px; }

  .footer__inner { flex-direction: column; align-items: center; text-align: center; }
  .footer__contacts { align-items: center; }

  .products__tabs { gap: 6px; }
  .products__tab { padding: 6px 14px; font-size: .8rem; }
}

@media (max-width: 480px) {
  .container { width: calc(100% - 32px); }
  .hero { padding-inline: 16px; }
  .header { padding: 0 16px; }
  .header__phone { display: none; }
  .about, .trust, .features, .products, .cooperation, .contact { padding: 80px 0; }
}