/* ============================================================
   REALTOPRO — HOMEPAGE
   Студия landing pages для риелторов
   ============================================================ */

:root {
  --color-bg:           #FAF7F2;
  --color-bg-alt:       #F2EEE6;
  --color-bg-dark:      #1A1A1A;
  --color-text:         #1A1A1A;
  --color-text-soft:    #555555;
  --color-text-light:   #888888;
  --color-line:         #D9D2C5;
  --color-line-soft:    #E8E2D5;
  --color-accent:       #1F3D2E;
  --color-accent-hover: #2A5240;
  --color-accent-soft:  rgba(31, 61, 46, 0.08);
  --color-gold:         #C9A961;
  --color-light:        #FFFFFF;
  --color-on-accent:    #FFFFFF;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;

  --section-y:      clamp(70px, 10vw, 140px);
  --container-pad:  clamp(20px, 5vw, 80px);
  --container-max:  1320px;

  --radius:        2px;
  --radius-lg:     12px;
  --shadow:        0 12px 40px rgba(0,0,0,0.08);
  --shadow-soft:   0 4px 16px rgba(0,0,0,0.04);
  --transition:    250ms cubic-bezier(.4,0,.2,1);
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: transparent; }
a { color: inherit; text-decoration: none; }

/* Idioma: ocultar lo que no toca */
body.lang-ru [data-en]:not([data-ru]),
body.lang-en [data-ru]:not([data-en]) { display: none; }

/* ---------- LAYOUT ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}
.section { padding: var(--section-y) 0; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--color-line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
  gap: 32px;
}
.brand {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.header-nav {
  display: flex; gap: 32px;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-left: auto;
}
.header-nav a {
  color: var(--color-text-soft);
  transition: color var(--transition);
}
.header-nav a:hover { color: var(--color-text); }
.header-actions { display: flex; align-items: center; gap: 18px; }
.lang-switch { display: flex; align-items: center; gap: 6px; font-size: 13px; letter-spacing: 0.1em; }
.lang-btn {
  padding: 4px 2px;
  color: var(--color-text-soft);
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.lang-btn.is-active { color: var(--color-text); border-bottom-color: var(--color-text); }
.lang-sep { color: var(--color-text-soft); }

.btn-header {
  background: var(--color-accent);
  color: var(--color-on-accent);
  padding: 10px 22px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background var(--transition);
}
.btn-header:hover { background: var(--color-accent-hover); }

@media (max-width: 1000px) {
  .header-nav { display: none; }
}
@media (max-width: 540px) {
  .btn-header { display: none; }
}

/* ============================================================
   BOTONES
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: var(--color-accent); color: var(--color-on-accent); }
.btn-primary:hover { background: var(--color-accent-hover); }
.btn-secondary {
  background: transparent;
  border-color: var(--color-text);
  color: var(--color-text);
  letter-spacing: 0.04em;
}
.btn-secondary:hover { background: var(--color-text); color: var(--color-bg); }

/* ============================================================
   TIPOGRAFÍA DE SECCIONES
   ============================================================ */
.section-eyebrow {
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin: 0 0 16px;
}
.section-eyebrow.center { text-align: center; }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.1;
  font-weight: 400;
  margin: 0 0 24px;
  letter-spacing: -0.01em;
}
.section-title-center { text-align: center; max-width: 900px; margin-left: auto; margin-right: auto; }
.section-sub {
  text-align: center;
  font-size: 17px;
  color: var(--color-text-soft);
  max-width: 720px;
  margin: 0 auto 48px;
  line-height: 1.6;
}

/* ============================================================
   HERO
   ============================================================ */
.hero { padding: clamp(60px, 9vw, 120px) 0 clamp(80px, 10vw, 140px); }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
}
.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin: 0 0 24px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.4vw, 76px);
  line-height: 1.05;
  font-weight: 400;
  margin: 0 0 24px;
  letter-spacing: -0.015em;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--color-text-soft);
  line-height: 1.6;
  margin: 0 0 36px;
  max-width: 520px;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.hero-features {
  list-style: none;
  padding: 0; margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 20px 32px;
  font-size: 13px;
  color: var(--color-text-soft);
  letter-spacing: 0.04em;
}
.hero-features li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-features li::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* Hero visual: browser frame */
.hero-visual { position: relative; }
.browser-frame {
  background: var(--color-light);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow);
  overflow: hidden;
  border-radius: 8px;
}
.browser-bar {
  height: 36px;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 8px;
}
.browser-dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--color-line);
}
.browser-dot:first-child { background: #E07D6B; }
.browser-dot:nth-child(2) { background: #E5C46B; }
.browser-dot:nth-child(3) { background: #6BBE7B; }
.browser-url {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: var(--color-text-soft);
  letter-spacing: 0.02em;
  font-family: monospace, monospace;
}
.browser-screen {
  width: 100%;
  display: block;
}
.hero-visual-mobile {
  position: absolute;
  bottom: -40px;
  right: -20px;
  width: 22%;
  border: 1px solid var(--color-line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--color-light);
  transform: rotate(3deg);
}
.hero-visual-mobile img { display: block; width: 100%; }

@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual-mobile { display: none; }
}

/* ============================================================
   INTRO
   ============================================================ */
.section-intro { background: var(--color-bg-alt); }
.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.intro-lead {
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.45;
  color: var(--color-text);
  font-style: italic;
  margin: 0;
  max-width: 540px;
}
.intro-points {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.intro-point { padding-left: 0; }
.intro-point-num {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--color-accent);
  margin: 0 0 8px;
  line-height: 1;
}
.intro-point-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  margin: 0 0 8px;
}
.intro-point-desc {
  font-size: 15px;
  color: var(--color-text-soft);
  margin: 0;
  line-height: 1.55;
}
@media (max-width: 800px) {
  .intro-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   DEMO
   ============================================================ */
.section-demo { background: var(--color-bg); padding-bottom: var(--section-y); }
.demo-frame {
  max-width: 1100px;
  margin: 0 auto;
  background: var(--color-light);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow);
  overflow: hidden;
  border-radius: 8px;
}
.demo-iframe {
  width: 100%;
  height: 720px;
  border: 0;
  display: block;
  background: var(--color-bg);
}
.demo-cta {
  text-align: center;
  margin-top: 36px;
}

@media (max-width: 700px) {
  .demo-iframe { height: 600px; }
}

/* ============================================================
   FEATURES GRID
   ============================================================ */
.section-features { background: var(--color-bg-alt); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2vw, 28px);
  margin-top: 56px;
}
.feature {
  background: var(--color-bg);
  padding: 40px 32px;
  border: 1px solid var(--color-line);
  transition: transform var(--transition), border-color var(--transition);
  position: relative;
}
.feature:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
}
.feature-icon {
  width: 44px; height: 44px;
  color: var(--color-accent);
  margin-bottom: 24px;
}
.feature-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  margin: 0 0 12px;
  line-height: 1.2;
}
.feature-desc {
  margin: 0;
  font-size: 15px;
  color: var(--color-text-soft);
  line-height: 1.6;
}
.feature-highlight {
  border-color: var(--color-accent);
  background: var(--color-bg);
}
.feature-badge {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--color-accent);
  color: var(--color-on-accent);
  padding: 4px 10px;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: 2px;
}
@media (max-width: 900px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .features-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   PROCESS
   ============================================================ */
.section-process { background: var(--color-bg); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(24px, 3vw, 40px);
  margin-top: 56px;
  position: relative;
}
.process-grid::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 60px; right: 60px;
  height: 1px;
  background: var(--color-line);
  z-index: 0;
}
.process-step {
  position: relative;
  z-index: 1;
}
.process-num {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--color-on-accent);
  background: var(--color-accent);
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin: 0 0 24px;
  font-weight: 500;
}
.process-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  margin: 0 0 10px;
}
.process-desc {
  font-size: 15px;
  color: var(--color-text-soft);
  line-height: 1.55;
  margin: 0;
}
@media (max-width: 900px) {
  .process-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .process-grid::before { display: none; }
}
@media (max-width: 540px) {
  .process-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   PRICING
   ============================================================ */
.section-pricing { background: var(--color-bg-alt); }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}
.tier {
  background: var(--color-bg);
  padding: 40px 36px;
  border: 1px solid var(--color-line);
  display: flex;
  flex-direction: column;
  position: relative;
}
.tier-name {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin: 0 0 16px;
}
.tier-price {
  margin: 0 0 12px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.tier-price-num {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 400;
  line-height: 1;
  color: var(--color-text);
}
.tier-price-unit {
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--color-text-soft);
}
.tier-target {
  font-size: 14px;
  color: var(--color-text-soft);
  margin: 0 0 32px;
  line-height: 1.5;
  min-height: 42px;
}
.tier-list {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  flex: 1;
}
.tier-list li {
  font-size: 14px;
  padding: 10px 0 10px 24px;
  border-bottom: 1px solid var(--color-line-soft);
  position: relative;
  color: var(--color-text);
}
.tier-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 16px;
  width: 12px; height: 7px;
  border-left: 1.5px solid var(--color-accent);
  border-bottom: 1.5px solid var(--color-accent);
  transform: rotate(-45deg);
}
.tier-list li.tier-li-strong {
  font-weight: 500;
  color: var(--color-text);
}
.tier-list li.tier-meta {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  border: 0;
  padding: 16px 0 0;
}
.tier-list li.tier-meta::before { display: none; }
.tier-cta { width: 100%; }

.tier-featured {
  border: 2px solid var(--color-accent);
  background: var(--color-bg);
  transform: scale(1.02);
  z-index: 2;
}
.tier-badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--color-on-accent);
  padding: 6px 18px;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: 2px;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .tier-featured { transform: none; }
}

/* Add-ons */
.addons { margin-top: 64px; padding-top: 56px; border-top: 1px solid var(--color-line); }
.addons-title {
  font-family: var(--font-display);
  font-size: 28px;
  text-align: center;
  font-weight: 500;
  margin: 0 0 32px;
}
.addons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}
.addon {
  background: var(--color-bg);
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}
.addon-name {
  margin: 0;
  font-size: 14px;
  color: var(--color-text);
}
.addon-price {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  color: var(--color-accent);
  white-space: nowrap;
}
@media (max-width: 800px) {
  .addons-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   FAQ
   ============================================================ */
.section-faq { background: var(--color-bg); }
.faq-list {
  max-width: 820px;
  margin: 56px auto 0;
  border-top: 1px solid var(--color-line);
}
.faq-item {
  border-bottom: 1px solid var(--color-line);
  padding: 4px 0;
}
.faq-item summary {
  cursor: pointer;
  padding: 24px 40px 24px 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  list-style: none;
  position: relative;
  transition: color var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  font-size: 28px;
  color: var(--color-accent);
  font-weight: 300;
  transition: transform var(--transition);
}
.faq-item[open] summary::after { content: "−"; }
.faq-item[open] summary { color: var(--color-accent); }
.faq-item p {
  padding: 0 0 24px;
  font-size: 16px;
  color: var(--color-text-soft);
  line-height: 1.65;
  margin: 0;
  max-width: 720px;
}

/* ============================================================
   CONTACT
   ============================================================ */
.section-contact { background: var(--color-bg-alt); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.contact-lead {
  font-size: 17px;
  color: var(--color-text-soft);
  line-height: 1.6;
  margin: 0 0 36px;
  max-width: 460px;
}
.contact-direct {
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
}
.contact-direct-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin: 0 0 14px;
}
.contact-direct-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 16px;
  color: var(--color-text);
  transition: color var(--transition);
}
.contact-direct-link:hover { color: var(--color-accent); }

.contact-form {
  background: var(--color-bg);
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid var(--color-line);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field span {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}
.form-field input,
.form-field select,
.form-field textarea {
  padding: 12px 14px;
  border: 1px solid var(--color-line);
  background: var(--color-bg);
  font-size: 15px;
  color: var(--color-text);
  font-family: inherit;
  transition: border-color var(--transition);
  resize: vertical;
  border-radius: 2px;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-submit {
  margin-top: 12px;
  width: 100%;
}
.form-disclaimer {
  font-size: 12px;
  color: var(--color-text-soft);
  margin: 0;
  text-align: center;
  line-height: 1.5;
}
.contact-form.is-success {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 280px;
}
.contact-form.is-success::before {
  content: "✓";
  font-size: 56px;
  color: var(--color-accent);
  display: block;
  margin-bottom: 16px;
  font-family: var(--font-display);
}
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-line);
  padding: 56px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: clamp(24px, 4vw, 64px);
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-line);
}
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  color: var(--color-text-soft);
  font-size: 14px;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--color-text); }
.footer-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text);
  margin: 0 0 8px;
}
.footer-brand-col .footer-brand {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  margin: 0 0 8px;
}
.footer-tagline {
  font-size: 14px;
  color: var(--color-text-soft);
  margin: 0;
  max-width: 360px;
  line-height: 1.5;
}
.footer-bottom { padding-top: 24px; }
.footer-copy { font-size: 12px; color: var(--color-text-soft); margin: 0; text-align: center; }
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ============================================================
   ANIMACIONES DE ENTRADA
   ============================================================ */
.js .section:not(.hero):not(.is-visible) {
  opacity: 0;
  transform: translateY(20px);
}
.js .section { transition: opacity 800ms ease, transform 800ms ease; }
.js .section.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .js .section { opacity: 1 !important; transform: none !important; transition: none !important; }
}