@import url('variables.css');

/* ── RESET & BASE ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--color-bg);
  color: var(--color-white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ── КНОПКИ ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.3;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.2s;
  white-space: nowrap;
}
.btn:hover { opacity: 0.82; }
.btn--white   { background: var(--color-white); color: var(--color-bg); }
.btn--lg      { padding: 10px 40px; font-size: 15px; letter-spacing: 0.05em; }

/* ── РАЗДЕЛИТЕЛЬ ───────────────────────────────────────── */
.divider {
  background: var(--color-bg);
  padding: 80px var(--pad-section);
  display: flex;
  align-items: center;
}
.divider__line {
  flex: 1;
  height: 1px;
  background: var(--color-white-60);
}

/* ── HERO ──────────────────────────────────────────────── */
.hero {
  position: relative;
  width: 100%;
  height: 88svh;
  min-height: 560px;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
}
.hero__gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(97,106,132,0) 43%, var(--color-bg) 97%);
}
.hero__nav {
  position: absolute;
  top: 24px;
  left: 0;
  right: 0;
  padding: 0 var(--pad-section);
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 110;
}
.hero__nav-brand {
  font-family: var(--font-logo);
  font-size: 20px;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}
.hero__nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.hero__nav-link {
  color: var(--color-white);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: 0.02em;
}
.hero__divider-line {
  position: absolute;
  top: 84px;
  left: var(--pad-section);
  right: var(--pad-section);
  height: 1px;
  background: var(--color-white-60);
  z-index: 3;
}
.hero__logo-wrap {
  position: absolute;
  top: 96px;
  left: var(--pad-section);
  right: var(--pad-section);
  z-index: 2;
  pointer-events: none;
}
.hero__logo {
  font-family: var(--font-logo);
  font-size: clamp(64px, 13.08vw, 157px);
  line-height: 1;
  background: linear-gradient(to bottom, var(--color-white) 50%, rgba(255,255,255,0.11) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.hero__content {
  position: absolute;
  bottom: clamp(40px, 7.7vh, 80px);
  left: var(--pad-section);
  right: var(--pad-section);
  z-index: 3;
}
.hero__subtitle {
  font-family: var(--font-heading);
  font-weight: 200;
  font-variation-settings: 'wdth' 100;
  font-size: clamp(16px, 2.67vw, 32px);
  color: var(--color-white);
  margin-bottom: 20px;
}
.hero__buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ── ПОЧЕМУ МЫ (USP) ───────────────────────────────────── */
.usp {
  position: relative;
  background: var(--color-bg);
  padding: 60px var(--pad-section) 80px;
  overflow: hidden;
}
.usp__title {
  font-family: var(--font-heading);
  font-weight: 200;
  font-variation-settings: 'wdth' 100;
  font-size: clamp(28px, 3.75vw, 45px);
  color: var(--color-white);
  margin-bottom: 52px;
  position: relative;
  z-index: 1;
}
.usp__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px 80px;
  position: relative;
  z-index: 1;
}
.usp__icon {
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  flex-shrink: 0;
}
.usp__item-title {
  font-family: var(--font-body);
  font-size: clamp(18px, 2vw, 24px);
  color: var(--color-white);
  margin-bottom: 16px;
}
.usp__item-text {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-white-80);
  line-height: 1.55;
}

/* ── КАК ВЫГЛЯДИТ РЕЗУЛЬТАТ (CTA) ──────────────────────── */
.cta { background: var(--color-bg); }
.cta__header {
  background: var(--color-bg);
  padding: 44px var(--pad-section) 24px;
  text-align: center;
}
.cta__title {
  font-family: var(--font-heading);
  font-weight: 200;
  font-variation-settings: 'wdth' 100;
  font-size: clamp(20px, 3.75vw, 45px);
  color: var(--color-white);
  margin-bottom: 14px;
}
.cta__subtitle {
  font-family: var(--font-heading);
  font-weight: 200;
  font-variation-settings: 'wdth' 100;
  font-size: clamp(13px, 2vw, 24px);
  color: var(--color-white-60);
}
.cta__slider {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 380px;
  background: var(--color-bg);
  position: relative;
  padding: 0 var(--pad-section);
}
.cta__slide {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-slide-bg);
  padding: 40px;
}
.cta__slide:first-child { border-right: 1px solid #e0e0e0; }
.cta__slide-num {
  font-family: var(--font-heading);
  font-weight: 200;
  font-variation-settings: 'wdth' 100;
  font-size: clamp(28px, 3.33vw, 40px);
  color: var(--color-slide-text);
}
.cta__footer {
  background: var(--color-bg);
  padding: 28px var(--pad-section) 52px;
  display: flex;
  justify-content: center;
}

/* ── ЭТАПЫ РАБОТЫ ──────────────────────────────────────── */
.purpose {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 548px;
  max-height: 700px;
  background: var(--color-bg);
  overflow: hidden;
}
.purpose__left {
  background: var(--color-bg);
  padding: 56px var(--pad-section);
  display: flex;
  flex-direction: column;
}
.purpose__title {
  font-family: var(--font-heading);
  font-weight: 200;
  font-variation-settings: 'wdth' 100;
  font-size: clamp(28px, 3.75vw, 45px);
  color: var(--color-white);
  margin-bottom: 24px;
}
.purpose__desc {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-white-80);
  line-height: 1.6;
  margin-bottom: 36px;
}
.purpose__steps { list-style: none; flex: 1; }
.purpose__step {
  font-family: var(--font-body);
  font-size: clamp(15px, 2vw, 24px);
  color: var(--color-white);
  padding: 15px 0;
  border-bottom: 1px solid var(--color-separator);
}
.purpose__step:first-child { border-top: 1px solid var(--color-separator); }
.purpose__right { position: relative; overflow: hidden; padding: 40px var(--pad-section) 40px 0; }
.purpose__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  border-radius: 4px;
}

/* ── ПРИМЕР НАШИХ РАБОТ ────────────────────────────────── */
.featured {
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
  padding-bottom: 60px;
}
.featured__header {
  position: relative;
  z-index: 1;
  padding: 44px var(--pad-section) 24px;
  text-align: center;
}
.featured__title {
  font-family: var(--font-heading);
  font-weight: 200;
  font-variation-settings: 'wdth' 100;
  font-size: clamp(22px, 3.75vw, 45px);
  color: var(--color-white);
  margin-bottom: 14px;
}
.featured__subtitle {
  font-family: var(--font-heading);
  font-weight: 200;
  font-variation-settings: 'wdth' 100;
  font-size: clamp(13px, 2vw, 24px);
  color: var(--color-white-60);
}
.featured__viewer {
  position: relative;
  z-index: 1;
  margin: 24px 60px 60px;
  background: var(--color-white);
  min-height: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.featured__viewer-text {
  font-family: var(--font-body);
  font-size: 18px;
  color: #aaa;
  text-align: center;
  padding: 20px;
}
.featured__line {
  position: relative;
  z-index: 1;
  width: calc(100% - 108px);
  height: 1px;
  margin: 0 auto;
  background: var(--color-white-60);
}

/* ── ОТЗЫВЫ ────────────────────────────────────────────── */
.testimonials {
  position: relative;
  background: var(--color-bg);
  overflow: hidden;
}
.testimonials__content {
  position: relative;
  z-index: 1;
  padding: 64px var(--pad-section) 60px;
}
.testimonials__title {
  font-family: var(--font-heading);
  font-weight: 200;
  font-variation-settings: 'wdth' 100;
  font-size: clamp(22px, 3vw, 36px);
  color: var(--color-white);
  margin-bottom: 36px;
}
.testimonials__quote-icon { margin-bottom: 20px; }
.testimonials__text {
  font-family: var(--font-heading);
  font-weight: 200;
  font-variation-settings: 'wdth' 100;
  font-size: clamp(15px, 1.67vw, 20px);
  color: var(--color-white);
  line-height: 1.65;
  max-width: 820px;
  margin-bottom: 36px;
}
.testimonials__author { display: flex; align-items: center; gap: 16px; }
.testimonials__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #333;
  flex-shrink: 0;
}
.testimonials__name { font-family: var(--font-body); font-size: 17px; color: var(--color-white); }
.testimonials__role {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-white-55);
  margin-top: 2px;
}
.testimonials__nav { display: flex; gap: 12px; margin-top: 36px; }
.testimonials__nav-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-separator);
  background: transparent;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.2s;
}
.testimonials__nav-btn:hover { border-color: var(--color-white); }

/* ── ФОРМА ЗАЯВКИ ──────────────────────────────────────── */
#contact {
  background: var(--color-bg);
  padding: 80px var(--pad-section);
  border-top: 1px solid var(--color-white-18);
}
.contact__title {
  font-family: var(--font-heading);
  font-weight: 200;
  font-variation-settings: 'wdth' 100;
  font-size: clamp(26px, 3.75vw, 45px);
  color: var(--color-white);
  text-align: center;
  margin-bottom: 52px;
}
.contact__form {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.contact__row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact__field { display: flex; flex-direction: column; gap: 8px; }
.contact__label {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-white-60);
  letter-spacing: 0.04em;
}
.contact__input {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-white-35);
  padding: 10px 0;
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}
.contact__input:focus       { border-bottom-color: var(--color-white); }
.contact__input::placeholder { color: var(--color-white-25); }
.contact__input:-webkit-autofill,
.contact__input:-webkit-autofill:hover,
.contact__input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px #000 inset;
  -webkit-text-fill-color: #fff;
  caret-color: #fff;
  transition: background-color 5000s ease-in-out 0s;
}
.contact__group-label {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-white-60);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}
.contact__radio-group { display: flex; flex-wrap: wrap; gap: 24px; }
.contact__radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-white);
}
.contact__radio-label input[type="radio"] { accent-color: var(--color-white); width: 16px; height: 16px; }
.contact__consent {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-white-55);
  cursor: pointer;
}
.contact__consent input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--color-white);
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}
.contact__submit { display: flex; justify-content: center; margin-top: 8px; }
.contact__input--error {
  border-bottom-color: rgba(255, 90, 90, 0.7) !important;
}
.contact__error {
  display: block;
  font-family: var(--font-body);
  font-size: 12px;
  color: rgba(255, 110, 110, 0.85);
  margin-top: 6px;
  letter-spacing: 0.02em;
  animation: errorFadeIn 0.2s ease;
}
@keyframes errorFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── ФУТЕР ─────────────────────────────────────────────── */
.footer { background: var(--color-bg); overflow: hidden; }
.footer__ticker-wrap {
  overflow: hidden;
  border-top: 1px solid var(--color-white-18);
  border-bottom: 1px solid var(--color-white-18);
  padding: 18px 0;
  max-width: 1600px;
  margin: 0 auto;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12%, black 88%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 12%, black 88%, transparent 100%);
}
.footer__ticker {
  display: flex;
  width: max-content;
  animation: ticker var(--ticker-speed) linear infinite;
}
.footer__ticker-item {
  font-family: var(--font-heading);
  font-weight: 200;
  font-variation-settings: 'wdth' 100;
  font-size: clamp(18px, 2.5vw, 30px);
  color: var(--color-white);
  letter-spacing: 0.06em;
  padding-right: 60px;
  flex-shrink: 0;
  white-space: nowrap;
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.footer__main {
  padding: 48px var(--pad-section) 28px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
  border-bottom: 1px solid var(--color-white-18);
}
.footer__logo {
  font-family: var(--font-logo);
  font-size: 22px;
  color: var(--color-white);
  text-decoration: none;
}
.footer__nav { display: flex; justify-content: center; gap: 40px; list-style: none; }
.footer__nav a {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-white-65);
  text-decoration: none;
  transition: color 0.2s;
}
.footer__nav a:hover { color: var(--color-white); }
.footer__socials { display: flex; gap: 18px; align-items: center; }
.footer__social {
  color: var(--color-white-65);
  text-decoration: none;
  display: flex;
  align-items: center;
  transition: color 0.2s;
}
.footer__social:hover { color: var(--color-white); }
.footer__bottom {
  padding: 22px var(--pad-section) 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer__copy { font-family: var(--font-body); font-size: 13px; color: var(--color-white-45); }

/* ── МОБИЛЬНОЕ МЕНЮ (базовые стили) ───────────────────── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 320px;
  overflow: hidden;
  background: transparent;
  z-index: 100;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}
.mobile-menu a {
  font-family: var(--font-heading);
  font-weight: 200;
  font-size: clamp(24px, 5vw, 40px);
  color: var(--color-white);
  text-decoration: none;
  transition: opacity 0.2s;
}
.mobile-menu a:hover { opacity: 0.7; }
.nav__hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--color-white);
  flex-direction: column;
  gap: 5px;
}
.nav__hamburger span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              opacity   0.25s ease;
}
body.menu-open .nav__hamburger span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
body.menu-open .nav__hamburger span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
body.menu-open .nav__hamburger span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ── MAX-WIDTH (≥1440px) ────────────────────────────────── */
.hero__inner {
  position: relative;
  height: 100%;
  max-width: 1440px;
  margin: 0 auto;
}
.usp,
.divider,
.cta,
.purpose,
.featured,
.testimonials__content,
#contact,
.footer__main,
.footer__bottom {
  max-width: 1440px;
  margin-left: auto;
  margin-right: auto;
}

/* ── АДАПТИВ: ПЛАНШЕТ (≤768px) ────────────────────────── */
@media (max-width: 768px) {
  .mobile-menu {
    display: flex;
    transform: translateY(-100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .mobile-menu.open { transform: translateY(0); }

  .hero__divider-line,
  .hero__logo-wrap {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }
  body.menu-open .hero__divider-line,
  body.menu-open .hero__logo-wrap {
    transform: translateY(320px);
  }
  .hero                 { height: 80svh; }
  .hero__nav            { padding: 0 var(--pad-tablet); }
  .hero__divider-line   { left: var(--pad-tablet); right: var(--pad-tablet); }
  .hero__logo-wrap      { left: var(--pad-tablet); right: var(--pad-tablet); }
  .hero__content        { left: var(--pad-tablet); right: var(--pad-tablet); }

  .hero__nav-brand--desktop { display: none; }
  .hero__nav-links--desktop { display: none; }
  .nav__hamburger       { display: flex; margin-left: auto; }

  .divider              { padding: 60px var(--pad-tablet); }
  .usp                  { padding: 48px var(--pad-tablet) 64px; }
  .usp__grid            { grid-template-columns: 1fr; gap: 40px; }

  .cta__header          { padding: 36px var(--pad-tablet) 20px; }
  .cta__slider          { grid-template-columns: 1fr; }
  .cta__slide:first-child { border-right: none; border-bottom: 1px solid #e0e0e0; }
  .cta__footer          { padding: 24px var(--pad-tablet) 44px; }

  .purpose__left        { padding: 48px var(--pad-tablet); }

  .featured__header     { padding: 36px var(--pad-tablet) 20px; }
  .featured__viewer     { margin: 20px var(--pad-tablet) 48px; min-height: 300px; }
  .featured__line       { width: calc(100% - 48px); }

  .testimonials__content { padding: 48px var(--pad-tablet); }

  #contact              { padding: 60px var(--pad-tablet); }
  .contact__row         { grid-template-columns: 1fr; gap: 16px; }

  .footer__main         { grid-template-columns: 1fr; text-align: center; gap: 24px; padding: 40px var(--pad-tablet) 24px; }
  .footer__nav          { flex-wrap: wrap; gap: 20px; }
  .footer__socials      { justify-content: center; }
  .footer__bottom       { flex-direction: column; gap: 8px; padding: 18px var(--pad-tablet) 24px; }
}

/* ── АДАПТИВ: ПЛАНШЕТ СРЕДНИЙ (≤900px) ─────────────────── */
@media (max-width: 900px) {
  .hero__nav-links { gap: 20px; }
  .hero__nav-link  { font-size: 14px; }

  .purpose         { grid-template-columns: 1fr; max-height: none; }
  .purpose__right  { min-height: 500px; padding: 0 var(--pad-tablet); }
  .purpose__img    { object-position: center 30%; border-radius: 4px; }
  .cta__slider     { padding: 0 var(--pad-tablet); }
}

/* ── АДАПТИВ: МОБИЛЬНЫЙ (≤560px) ──────────────────────── */
@media (max-width: 560px) {
  .hero                 { height: 65svh; min-height: 380px; }
  .hero__nav            { top: 16px; padding: 0 var(--pad-mobile); gap: 14px; }
  .hero__divider-line   { display: none; }
  .hero__logo-wrap      { top: 96px; left: var(--pad-mobile); right: var(--pad-mobile); }
  .hero__content        { left: var(--pad-mobile); right: var(--pad-mobile); bottom: 28px; }
  .hero__subtitle       { font-size: 15px; }
  .hero__buttons        { gap: 10px; }
  .hero__buttons .btn   { padding: 8px 16px; font-size: 14px; }

  .divider              { padding: 44px var(--pad-mobile); }

  .usp                  { padding: 40px var(--pad-mobile) 56px; }
  .usp__title           { margin-bottom: 36px; }
  .usp__grid            { gap: 32px; }
  .usp__icon            { width: 36px; height: 36px; }

  .cta__header          { padding: 32px var(--pad-mobile) 18px; }
  .cta__footer          { padding: 18px var(--pad-mobile) 40px; }

  .purpose__left        { padding: 40px var(--pad-mobile); }
  .purpose__right       { min-height: 260px; padding: 0 var(--pad-mobile); }
  .cta__slider          { padding: 0 var(--pad-mobile); }

  .featured__header     { padding: 32px var(--pad-mobile) 18px; }
  .featured__viewer     { margin: 16px var(--pad-mobile) 40px; min-height: 240px; }
  .featured__line       { width: calc(100% - 36px); }

  .testimonials__content { padding: 40px var(--pad-mobile); }

  #contact              { padding: 48px var(--pad-mobile); }

  .footer__main         { padding: 36px var(--pad-mobile) 20px; }
  .footer__bottom       { padding: 16px var(--pad-mobile) 20px; }
  .footer__ticker-item  { font-size: 16px; }
}