/*
Theme Name: AutoService Pro
Theme URI: https://example.com/autoservice-pro
Author: AutoService
Author URI: https://example.com
Description: Профессиональный шаблон для автосервиса с тёмным дизайном и красными акцентами
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: autoservice-pro
Tags: dark, automotive, service, responsive, one-page
*/

/* ===== CSS VARIABLES ===== */
:root {
  --red: #e01a1a;
  --red-dark: #b01010;
  --red-light: #ff3333;
  --black: #0d0d0d;
  --dark: #111111;
  --dark-card: #1a1a1a;
  --dark-2: #222222;
  --gray: #888888;
  --gray-light: #cccccc;
  --white: #ffffff;
  --font-heading: 'Oswald', sans-serif;
  --font-body: 'Roboto', sans-serif;
  --transition: 0.3s ease;
  --shadow: 0 10px 40px rgba(0,0,0,0.5);
  --shadow-red: 0 10px 40px rgba(224,26,26,0.3);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { list-style: none; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  text-align: center;
  margin-bottom: 15px;
}

.section-title span {
  color: var(--red);
}

.title-line {
  width: 60px;
  height: 3px;
  background: var(--red);
  margin: 0 auto 50px;
}

/* ===== HEADER / NAVBAR ===== */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: background var(--transition), padding var(--transition);
  background: transparent;
}

#site-header.scrolled {
  background: rgba(13,13,13,0.97);
  padding: 12px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.8);
}

#site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.site-logo span { color: var(--red); }

#primary-menu {
  display: flex;
  align-items: center;
  gap: 35px;
}

#primary-menu a {
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-light);
  position: relative;
}

#primary-menu a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--red);
  transition: width var(--transition);
}

#primary-menu a:hover { color: var(--white); }
#primary-menu a:hover::after { width: 100%; }

.btn-nav {
  background: var(--red);
  color: var(--white) !important;
  padding: 10px 22px;
  font-size: 0.8rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.1em !important;
  text-transform: uppercase;
  border: 2px solid var(--red);
  transition: background var(--transition), color var(--transition) !important;
}

.btn-nav:hover {
  background: transparent !important;
  color: var(--red) !important;
}

.btn-nav::after { display: none !important; }

/* Hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

/* ===== HERO SECTION ===== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--black);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1a0000 0%, #0d0d0d 40%, #111 100%);
}

/* Diagonal red accents */
.hero-bg::before {
  content: '';
  position: absolute;
  top: -10%;
  left: -5%;
  width: 45%;
  height: 60%;
  background: linear-gradient(135deg, var(--red) 0%, transparent 60%);
  opacity: 0.15;
  transform: skewY(-8deg);
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 40%;
  height: 50%;
  background: linear-gradient(315deg, var(--red-dark) 0%, transparent 60%);
  opacity: 0.1;
}

.hero-image {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 55%;
  height: 90%;
  object-fit: contain;
  object-position: bottom left;
  filter: drop-shadow(0 20px 60px rgba(224,26,26,0.2));
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 120px 0 80px;
}

.hero-content .container {
  display: flex;
  justify-content: flex-end;
}

.hero-text {
  max-width: 560px;
  text-align: left;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--red);
  margin-bottom: 20px;
  font-weight: 600;
}

.hero-label::before {
  content: '';
  width: 30px;
  height: 2px;
  background: var(--red);
}

.hero-title {
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  line-height: 1.05;
  margin-bottom: 20px;
}

.hero-title span { color: var(--red); }

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--gray-light);
  margin-bottom: 15px;
  font-family: var(--font-body);
  font-weight: 300;
}

.hero-tags {
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 40px;
  letter-spacing: 0.05em;
}

.hero-tags span { color: var(--red); margin: 0 6px; }

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}

.btn-primary:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-red);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}

.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}

/* ===== STATS BAR ===== */
#stats-bar {
  background: var(--dark-card);
  padding: 40px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.05);
}

.stat-item {
  background: var(--dark-card);
  padding: 30px 40px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.stat-icon {
  width: 55px;
  height: 55px;
  background: rgba(224,26,26,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 2px solid rgba(224,26,26,0.3);
}

.stat-icon svg { width: 24px; height: 24px; fill: var(--red); }

.stat-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.stat-desc {
  font-size: 0.82rem;
  color: var(--gray);
  margin-top: 3px;
}

/* ===== SERVICES SECTION ===== */
#services {
  padding: 100px 0;
  position: relative;
  background: var(--dark);
}

#services::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(270deg, rgba(224,26,26,0.03) 0%, transparent 60%);
  pointer-events: none;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 10px;
}

.service-card {
  background: var(--dark-card);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  cursor: pointer;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.6), 0 0 0 1px rgba(224,26,26,0.3);
}

.service-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  filter: brightness(0.7) saturate(0.8);
  transition: filter var(--transition), transform var(--transition);
}

.service-card:hover .service-card-image {
  filter: brightness(0.9) saturate(1.1);
  transform: scale(1.05);
}

.service-card-img-wrap {
  overflow: hidden;
  position: relative;
}

.service-card-img-wrap::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(to top, var(--dark-card), transparent);
}

.service-card-body {
  padding: 20px 22px 24px;
}

.service-card-title {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--white);
}

.service-card-desc {
  font-size: 0.82rem;
  color: var(--gray);
  line-height: 1.5;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 0.8rem;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--red);
}

.service-card-link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition);
}

.service-card:hover .service-card-link svg { transform: translateX(4px); }

/* ===== SERVICES TABS (BOTTOM) ===== */
#services-tabs {
  padding: 80px 0 100px;
  background: var(--black);
}

.services-tabs-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: 8px;
}

.services-tabs-title-line {
  width: 50px;
  height: 3px;
  background: var(--red);
  margin-bottom: 40px;
}

.tabs-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 22px;
  background: var(--dark-card);
  border: 2px solid transparent;
  color: var(--gray-light);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  min-width: 160px;
  flex-direction: column;
  align-items: flex-start;
}

.tab-btn svg {
  width: 28px;
  height: 28px;
  fill: var(--gray);
  transition: fill var(--transition);
}

.tab-btn-label {
  font-size: 0.75rem;
  color: var(--gray);
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  margin-top: 4px;
}

.tab-btn.active, .tab-btn:hover {
  border-color: var(--red);
  color: var(--white);
  background: rgba(224,26,26,0.08);
}

.tab-btn.active svg, .tab-btn:hover svg { fill: var(--red); }

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.4s ease; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.tab-content-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.tab-content-text h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
}

.tab-content-text p {
  color: var(--gray-light);
  line-height: 1.7;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.tab-content-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 30px;
}

.tab-content-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--gray-light);
}

.tab-content-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--red);
  flex-shrink: 0;
}

.tab-content-image {
  width: 100%;
  height: 320px;
  object-fit: cover;
  filter: brightness(0.8);
}

/* ===== WHY US ===== */
#why-us {
  padding: 100px 0;
  background: var(--dark-2);
  position: relative;
  overflow: hidden;
}

#why-us::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(224,26,26,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 10px;
}

.why-card {
  padding: 35px 30px;
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-top: 3px solid var(--red);
  transition: transform var(--transition), box-shadow var(--transition);
}

.why-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.why-icon {
  width: 50px;
  height: 50px;
  margin-bottom: 20px;
}

.why-icon svg { width: 50px; height: 50px; fill: var(--red); }

.why-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.why-card p {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.6;
}

/* ===== CALCULATOR CTA ===== */
#cta {
  padding: 100px 0;
  background: var(--black);
  position: relative;
  overflow: hidden;
}

#cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(224,26,26,0.12) 0%, transparent 50%);
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta-inner h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: 20px;
}

.cta-inner p {
  font-size: 1.1rem;
  color: var(--gray-light);
  max-width: 500px;
  margin: 0 auto 40px;
}

.cta-form {
  display: flex;
  gap: 12px;
  max-width: 500px;
  margin: 0 auto;
}

.cta-form input {
  flex: 1;
  padding: 14px 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--white);
  font-size: 0.95rem;
  font-family: var(--font-body);
  outline: none;
  transition: border-color var(--transition);
}

.cta-form input:focus { border-color: var(--red); }
.cta-form input::placeholder { color: var(--gray); }

/* ===== FOOTER ===== */
#site-footer {
  background: var(--dark-card);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 50px;
  margin-bottom: 50px;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 15px;
}

.footer-logo span { color: var(--red); }

.footer-about {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.footer-social a:hover { background: var(--red); }
.footer-social a svg { width: 16px; height: 16px; fill: var(--white); }

.footer-heading {
  font-size: 0.85rem;
  font-family: var(--font-heading);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
  color: var(--white);
}

.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 0.85rem;
  color: var(--gray);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--red); }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 15px;
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  fill: var(--red);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-item span {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 25px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--gray);
}

/* ===== MOBILE MENU OVERLAY ===== */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(13,13,13,0.98);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--white);
  transition: color var(--transition);
}

.mobile-menu a:hover { color: var(--red); }

.mobile-menu-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .tab-btn { min-width: 140px; }
}

@media (max-width: 768px) {
  #primary-menu { display: none; }
  .menu-toggle { display: flex; }
  .hero-image { display: none; }
  .hero-content .container { justify-content: flex-start; }
  .hero-text { max-width: 100%; }
  .stats-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .services-grid { gap: 16px; }
  .why-grid { grid-template-columns: 1fr; }
  .tab-content-inner { grid-template-columns: 1fr; }
  .cta-form { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .tabs-nav { gap: 6px; }
  .tab-btn { min-width: calc(50% - 3px); }
}

@media (max-width: 480px) {
  .hero-buttons { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .tab-btn { min-width: 100%; }
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }