/* ============================================================
   FlowHack — стили главной страницы-визитки
   Светлая тема, красный акцент #c0392b, Mobile-First
   ============================================================ */

/* ---------- Шрифты ---------- */
@font-face {
  font-family: 'Nautilus';
  src: url('/shared/fonts/Nautilus.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Cormorant Garamond';
  src: url('/shared/fonts/CormorantGaramond-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Cormorant Garamond';
  src: url('/shared/fonts/CormorantGaramond-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ---------- Переменные ---------- */
:root {
  --accent: #c0392b;
  --accent-dark: #a93226;
  --accent-light: #f5e6e3;
  --text: #2c2c2c;
  --text-muted: #6b6b6b;
  --bg: #ffffff;
  --bg-soft: #faf7f5;
  --border: #e8e0dc;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --font-head: 'Nautilus', 'Cormorant Garamond', serif;
  --font-body: 'Cormorant Garamond', Georgia, serif;
}

/* ---------- База ---------- */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: normal;
  line-height: 1.25;
  margin: 0 0 0.5em;
}

h1 { font-size: 2.2rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1em; }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover { color: var(--accent-dark); }

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

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ---------- Шапка ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.logo {
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--accent);
  letter-spacing: 0.5px;
}

.logo:hover { color: var(--accent-dark); }

/* Кнопка-бургер (мобильные) */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Навигация (мобильная — выпадающая) */
.main-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  flex-direction: column;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 8px 0;
}

.main-nav.open { display: flex; }

.nav-link {
  padding: 12px 20px;
  color: var(--text);
  font-size: 1.1rem;
  border-bottom: 1px solid var(--bg-soft);
}

.nav-link:hover { color: var(--accent); }

.nav-cta {
  color: var(--accent);
  font-weight: 500;
}

/* ---------- Секции ---------- */
.section {
  padding: 48px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 32px;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--accent);
  margin: 12px auto 0;
  border-radius: 2px;
}

/* ---------- Hero ---------- */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
  padding: 40px 0 16px;
}

.hero-photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--accent);
  box-shadow: var(--shadow);
}

.hero-name {
  font-size: 2.4rem;
  color: var(--accent);
}

.hero-about {
  max-width: 640px;
  color: var(--text-muted);
}

.hero-contacts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  background: #fff;
  transition: border-color 0.2s, color 0.2s, box-shadow 0.2s;
}

.contact-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--shadow);
}

.contact-icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
}

.btn:active { transform: scale(0.98); }

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

.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
  box-shadow: 0 4px 16px rgba(192, 57, 43, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: #fff;
}

.btn-full { width: 100%; }

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ---------- Карточки услуг ---------- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.service-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.service-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.service-card h3 { color: var(--accent); }

.service-card p { color: var(--text-muted); margin-bottom: 0; }

.services-cta {
  text-align: center;
  margin-top: 32px;
}

/* ---------- Портфолио ---------- */
.portfolio-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 28px;
}

.tab-btn {
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
}

.tab-btn:hover { border-color: var(--accent); color: var(--accent); }

.tab-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.portfolio-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  transition: box-shadow 0.2s, transform 0.2s;
}

.portfolio-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.portfolio-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--bg-soft);
}

.portfolio-card-body {
  padding: 16px 20px 20px;
}

.portfolio-card-body h3 { font-size: 1.2rem; margin-bottom: 6px; }

.portfolio-card-body p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.portfolio-card-body a { font-weight: 500; }

/* ---------- Проекты ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.project-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.project-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.project-card h3 { color: var(--accent); }

.project-card p { color: var(--text-muted); margin-bottom: 12px; }

/* ---------- Модальное окно ---------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.55);
  padding: 16px;
  overflow-y: auto;
}

.modal-overlay.open { display: flex; align-items: flex-start; justify-content: center; }

.modal {
  position: relative;
  background: #fff;
  border-radius: var(--radius);
  max-width: 560px;
  width: 100%;
  margin: 24px auto;
  padding: 28px 20px 24px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
  animation: modal-in 0.25s ease;
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 12px;
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 50%;
  transition: color 0.2s, background 0.2s;
}

.modal-close:hover { color: var(--accent); background: var(--accent-light); }

.modal-title {
  text-align: center;
  color: var(--accent);
  margin-bottom: 20px;
}

/* ---------- Форма ---------- */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 6px;
}

.required { color: var(--accent); }

.form-group input[type="text"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text);
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.15);
}

.form-group textarea { resize: vertical; }

.form-error {
  display: block;
  color: var(--accent);
  font-size: 0.9rem;
  margin-top: 4px;
  min-height: 0;
}

/* Радиокнопки опций */
.options-block {
  margin-bottom: 16px;
  padding: 14px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.options-block-title {
  font-weight: 500;
  margin-bottom: 10px;
}

.option-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 8px;
  cursor: pointer;
}

.option-item:last-child { margin-bottom: 0; }

.option-item input[type="radio"] {
  margin-top: 5px;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.option-label { flex: 1; }

.option-price {
  color: var(--text-muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

/* ---------- Tooltip ---------- */
.tooltip-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.tooltip-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 500;
  background: #fff;
  cursor: pointer;
  flex-shrink: 0;
  user-select: none;
}

.tooltip-trigger:hover { background: var(--accent); color: #fff; }

.tooltip {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  width: 240px;
  max-width: 80vw;
  padding: 10px 12px;
  background: var(--text);
  color: #fff;
  font-size: 0.85rem;
  line-height: 1.4;
  border-radius: 8px;
  z-index: 300;
  box-shadow: var(--shadow);
}

.tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--text);
}

.tooltip.show { display: block; }

/* ---------- Калькулятор ---------- */
.calculator {
  margin: 16px 0;
  padding: 14px;
  background: var(--accent-light);
  border: 1px solid rgba(192, 57, 43, 0.3);
  border-radius: 8px;
  font-size: 1rem;
}

.calculator-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.calculator-row:last-child { margin-bottom: 0; }

.calculator-row .calc-label { color: var(--text-muted); }

.calculator-row .calc-value {
  font-weight: 500;
  color: var(--accent);
  text-align: right;
}

.custom-note {
  margin: 16px 0;
  padding: 14px;
  background: var(--accent-light);
  border: 1px solid rgba(192, 57, 43, 0.3);
  border-radius: 8px;
  text-align: center;
  font-weight: 500;
  color: var(--accent);
}

/* ---------- Сообщения формы ---------- */
.form-message {
  margin: 12px 0;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 0.95rem;
  display: none;
}

.form-message.show { display: block; }

.form-message.success {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
}

.form-message.error {
  background: #fdecea;
  color: var(--accent);
  border: 1px solid #f5c6c2;
}

/* Лоадер кнопки */
.btn-loader {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Лоадер страницы ---------- */
.loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 80px 0;
  color: var(--text-muted);
}

.loader-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ---------- 404 ---------- */
.not-found {
  text-align: center;
  padding: 80px 16px;
}

.not-found h1 {
  font-size: 4rem;
  color: var(--accent);
}

.not-found p { color: var(--text-muted); margin-bottom: 24px; }

/* ---------- Ошибка загрузки ---------- */
.load-error {
  text-align: center;
  padding: 60px 16px;
  color: var(--accent);
}

/* ---------- Планшет (>= 768px) ---------- */
@media (min-width: 768px) {
  body { font-size: 19px; }

  .section { padding: 64px 0; }

  .hero { padding: 56px 0 24px; }
  .hero-photo { width: 220px; height: 220px; }
  .hero-name { font-size: 3rem; }

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

  .modal { padding: 32px 28px 28px; }
}

/* ---------- Десктоп (>= 1024px) ---------- */
@media (min-width: 1024px) {
  .section { padding: 80px 0; }

  /* Навигация всегда видна */
  .nav-toggle { display: none; }

  .main-nav {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 24px;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
  }

  .nav-link {
    padding: 8px 0;
    border: none;
    font-size: 1.05rem;
  }

  .nav-cta {
    padding: 8px 20px;
    border: 2px solid var(--accent);
    border-radius: 999px;
  }

  .nav-cta:hover {
    background: var(--accent);
    color: #fff;
  }

  .hero { flex-direction: row; text-align: left; gap: 48px; }
  .hero-info { flex: 1; }
  .hero-contacts, .hero-actions { justify-content: flex-start; }

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