/* css variables from DESIGN.md */
:root {
  /* Colors */
  --surface: #f7f9fb;
  --surface-low: #f2f4f6;
  --surface-lowest: #ffffff;
  --surface-high: #e6e8ea;
  --surface-highest: #e0e3e5;
  
  --primary: #0058bc;
  --primary-container: #0070eb;
  --primary-fixed: #d8e2ff;
  --primary-fixed-dim: #adc6ff;
  
  --on-surface: #191c1e;
  --on-surface-variant: #414755;
  --outline-variant: #c1c6d7;
  
  --error: #ba1a1a;
  --whatsapp: #25D366;

  /* Typography */
  --font-headline: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Radii */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;
  
  /* Shadows & Effects */
  --shadow-breeze: 0 20px 40px rgba(0, 88, 188, 0.08);
  --shadow-ambient: 0 -10px 40px rgba(0, 88, 188, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Premium Utilities */
.premium-card {
  background: var(--surface-lowest);
  border: 1px solid rgba(0, 88, 188, 0.05);
  box-shadow: 0 4px 6px -1px rgba(0, 88, 188, 0.02), 0 2px 4px -1px rgba(0, 88, 188, 0.02);
  transition: var(--transition-slow);
}

.premium-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 88, 188, 0.2);
  box-shadow: 0 20px 40px -10px rgba(0, 88, 188, 0.12);
}

.glass-icon {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.8), 0 4px 6px rgba(0, 88, 188, 0.05);
  transition: var(--transition-smooth);
}

.premium-card:hover .glass-icon {
  transform: scale(1.1) rotate(5deg);
  background: var(--primary);
  color: white;
  box-shadow: 0 8px 16px rgba(0, 88, 188, 0.2);
}

.hover-glow-primary:hover {
  filter: drop-shadow(0 0 15px rgba(0, 88, 188, 0.3));
}

.text-gradient-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #0070eb 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.link-underline {
  position: relative;
  display: inline-block;
}

.link-underline::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -2px;
  left: 0;
  background-color: var(--primary);
  transition: width 0.3s ease;
}

.link-underline:hover::after {
  width: 100%;
}

/* Reset and Base Styles */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  color: var(--on-surface);
  background-color: var(--surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: transparent; }

/* Utilities */
.material-symbols-outlined { font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24; }
.icon-fill { font-variation-settings: 'FILL' 1 !important; }
.hidden { display: none !important; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.wrap { flex-wrap: wrap; }
.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.p-2 { padding: 0.5rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }

/* Layout & Containers */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.container-large { max-width: 1024px; margin: 0 auto; padding: 0 1.5rem; }
.max-w-med { max-width: 768px; }
.max-w-large { max-width: 1024px; }
.max-w-sm { max-width: 24rem; }
.section-padding { padding: 5rem 0; }

/* Backgrounds & Text Colors */
.bg-surface { background-color: var(--surface); }
.bg-surface-low { background-color: var(--surface-low); }
.bg-primary-light { background-color: rgba(0, 88, 188, 0.05); }
.text-primary { color: var(--primary); }
.text-variant { color: var(--on-surface-variant); }
.text-white { color: white; }
.text-muted { color: var(--outline-variant); }

/* Typography */
.font-label { font-family: var(--font-body); }
.font-body { font-family: var(--font-body); }
.headline-md { font-family: var(--font-headline); font-size: 1.75rem; font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; }
.display-sm { font-family: var(--font-headline); font-size: 2.25rem; font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; }
.display-text { font-family: var(--font-headline); font-size: 3.5rem; font-weight: 800; }
.lg-text { font-size: 1.125rem; }
.sm-text { font-size: 0.875rem; }
.xsm-text { font-size: 0.75rem; }
.overline { font-family: var(--font-body); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; display: inline-block; }
.display-block { display: block; }

/* Borders & Shadows */
.border-ghost { border: 1px solid rgba(193, 198, 215, 0.2); }
.border-t-ghost { border-top: 1px solid rgba(193, 198, 215, 0.2); }
.border-light { border: 1px solid rgba(0,0,0,0.05); }
.border-t-light { border-top: 1px solid rgba(0,0,0,0.05); }
.border-primary { border: 1px solid var(--primary); }
.shadow-xl { box-shadow: var(--shadow-lg); }
.breeze-shadow { box-shadow: var(--shadow-breeze); }
.shadow-ambient { box-shadow: var(--shadow-ambient); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 1rem 2rem; border-radius: var(--radius-full);
  font-weight: 700; font-size: 1rem; transition: var(--transition-smooth);
}
.btn:hover { transform: scale(1.02); }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-container)); color: white; }
.btn-white { background-color: var(--surface-lowest); color: var(--primary); }
.btn-white:hover { background-color: var(--surface); }
.btn-glass { background-color: rgba(255,255,255,0.1); backdrop-filter: blur(10px); }
.btn-glass:hover { background-color: rgba(255,255,255,0.2); }
.btn-outline { background-color: var(--surface-highest); color: var(--on-surface); border: 1px solid rgba(0,0,0,0.1); }
.btn-outline:hover { background-color: var(--outline-variant); color: white; }
.btn-block { width: 100%; }
.add-btn { width: 2.5rem; height: 2.5rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: var(--transition-smooth); }
.btn-ghost { border: 1px solid var(--primary); color: var(--primary); }
.btn-ghost:hover { background-color: var(--primary); color: white; }
.btn-primary-small { background-color: var(--primary); color: white; }
.bg-whatsapp { background-color: var(--whatsapp); }

/* Header */
.app-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background-color: rgba(255, 255, 255, 0.7); backdrop-filter: blur(20px);
  transition: var(--transition-smooth);
}
.header-container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; height: 4rem; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 0.5rem; color: var(--primary-container); }
.logo-icon { font-size: 1.5rem; }
.logo-text { font-family: var(--font-headline); font-weight: 800; font-size: 1.25rem; letter-spacing: -0.02em; }
.desktop-nav a { font-size: 0.875rem; font-weight: 700; color: var(--on-surface-variant); margin: 0 1rem; transition: opacity 0.2s; }
.desktop-nav a:hover { opacity: 0.7; }
.header-actions { display: flex; gap: 1rem; }
.icon-btn { color: var(--on-surface-variant); transition: transform 0.2s; }
.icon-btn:active { transform: scale(0.9); }

/* Hero */
.hero-section {
  position: relative; height: max(85vh, 600px); display: flex; align-items: center; overflow: hidden; padding-top: 4rem;
}
.bg-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.video-overlay {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(to right, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 60%, transparent 100%);
}
.hero-content {
  position: relative; z-index: 10; width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; color: white;
}
.badge-premium {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background-color: rgba(0, 88, 188, 0.3); backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1); padding: 0.25rem 1rem; border-radius: var(--radius-full);
  font-size: 0.875rem; font-weight: 700; letter-spacing: 0.05em; margin-bottom: 2rem;
}
.hero-title {
  font-family: var(--font-headline); font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 2rem;
}
.text-slider-wrapper { height: 1.2em; overflow: hidden; position: relative; color: #60a5fa; margin-top: 0.5rem; }
.slide-text { position: absolute; width: 100%; animation: slideAnim 9s infinite; opacity: 0; }
.slide-text:nth-child(1) { animation-delay: 0s; }
.slide-text:nth-child(2) { animation-delay: 3s; }
.slide-text:nth-child(3) { animation-delay: 6s; }

@keyframes slideAnim {
  0% { transform: translateY(100%); opacity: 0; }
  5% { transform: translateY(0); opacity: 1; }
  30% { transform: translateY(0); opacity: 1; }
  35% { transform: translateY(-100%); opacity: 0; }
  100% { transform: translateY(-100%); opacity: 0; }
}

.hero-subtitle { font-size: 1.125rem; font-weight: 500; color: rgba(255,255,255,0.8); max-width: 32rem; margin-bottom: 2.5rem; line-height: 1.8; }
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 4rem; }
.hero-stats { display: flex; gap: 2rem; border-left: 2px solid rgba(96, 165, 250, 0.5); padding-left: 1.5rem; }
.hero-stats .val { font-size: 1.5rem; font-weight: 700; }
.hero-stats .lbl { font-size: 0.75rem; font-weight: 700; color: #93c5fd; letter-spacing: 0.05em; margin-top: 0.25rem; }

/* Tabs */
.nav-tabs-wrapper { background-color: var(--surface-low); padding: 1.5rem 0; position: sticky; top: 4rem; z-index: 40; border-bottom: 1px solid var(--surface-highest); overflow-x: auto; scrollbar-width: none; }
.nav-tabs-wrapper::-webkit-scrollbar { display: none; }
.nav-tabs-container { display: flex; gap: 1rem; width: max-content; margin: 0 auto; padding: 0 1.5rem; }
.tab-btn { padding: 0.75rem 1.5rem; background-color: var(--surface-lowest); color: var(--on-surface-variant); font-weight: 700; font-size: 0.875rem; border-radius: var(--radius-full); transition: var(--transition-smooth); box-shadow: 0 2px 4px rgba(0,0,0,0.02); }
.tab-btn:hover { background-color: var(--surface-highest); }
.tab-btn.active { background-color: var(--primary); color: white; }

/* Rate Calc */
.calc-wrapper { display: flex; flex-direction: column; background: var(--surface-lowest); border-radius: var(--radius-2xl); padding: 2rem; gap: 2.5rem; }
.search-wrap { position: relative; }
.search-icon { position: absolute; left: 1rem; top: 50%; transform: translateY(-50%); color: var(--outline-variant); }
.input-field { width: 100%; padding: 1rem 1rem 1rem 3rem; background-color: var(--surface-low); border: 2px solid transparent; border-radius: var(--radius-lg); font-size: 0.875rem; transition: var(--transition-smooth); font-family: var(--font-body); outline: none; }
.input-field:focus { border-color: rgba(0, 88, 188, 0.2); }
.list-title { font-size: 0.875rem; font-weight: 700; color: var(--on-surface-variant); letter-spacing: 0.05em; margin-bottom: 1rem; }
.service-list-item { display: flex; justify-content: space-between; align-items: center; padding: 1rem; border: 1px solid rgba(193, 198, 215, 0.3); border-radius: var(--radius-lg); margin-bottom: 0.75rem; cursor: pointer; transition: var(--transition-smooth); }
.service-list-item:hover { border-color: rgba(0, 88, 188, 0.4); }
.service-list-item.selected { background-color: rgba(0, 88, 188, 0.05); border-color: var(--primary); }
.item-info { display: flex; align-items: center; gap: 1rem; }
.icon-box { width: 2.5rem; height: 2.5rem; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; }
.icon-box-lg { width: 3rem; height: 3rem; border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; }
.item-name { font-weight: 700; font-size: 0.875rem; }
.item-desc { font-size: 0.75rem; color: var(--on-surface-variant); mt: 0.25rem; }
.item-action { display: flex; align-items: center; gap: 1rem; }
.item-price { font-weight: 700; color: var(--primary); }
.calc-summary { background-color: var(--surface-low); padding: 2rem; border-radius: 1.5rem; display: flex; flex-direction: column; height: fit-content; }
.summary-items { flex-grow: 1; margin-bottom: 1rem; }
.summary-item { display: flex; justify-content: space-between; font-size: 0.875rem; margin-bottom: 0.5rem; }
.math-row { display: flex; justify-content: space-between; font-size: 0.75rem; }
.total-wrap { padding-top: 1.5rem; margin-top: 1.5rem; margin-bottom: 2rem; }
.total-lbl { font-size: 0.75rem; font-weight: 700; color: var(--on-surface-variant); letter-spacing: 0.05em; margin-bottom: 0.25rem; }
.total-val { font-size: 2.25rem; font-weight: 800; font-family: var(--font-headline); }
.disclaimer { font-size: 0.625rem; text-align: center; color: var(--on-surface-variant); }

/* Repair Section */
.cards-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
.rep-card { background-color: var(--surface-lowest); border-radius: var(--radius-xl); overflow: hidden; transition: var(--transition-smooth); }
.rep-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-breeze); }
.img-wrap { height: 12rem; overflow: hidden; position: relative; }
.img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.rep-card:hover .img-wrap img { transform: scale(1.1); }
.giant-icon { font-size: 4rem; }
.card-content { padding: 1.5rem; }
.chip { font-size: 0.75rem; font-weight: 700; padding: 0.25rem 0.75rem; border-radius: var(--radius-full); }
.chip-sm { font-size: 0.625rem; font-weight: 700; padding: 0.125rem 0.5rem; border-radius: var(--radius-sm); letter-spacing: 0.05em; }
.chips-row { display: flex; gap: 0.5rem; }
.btn-text { font-weight: 700; font-size: 0.875rem; display: flex; items-center: center; gap: 0.5rem; }

/* Why Us */
.double-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; }
.features-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.img-pad { padding: 0.5rem; }
.rounded-img { border-radius: 2rem; }
.img-lg { height: auto; object-fit: cover; aspect-ratio: 1/1; }

/* Brands */
.logos-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; opacity: 0.5; filter: grayscale(100%); transition: var(--transition-smooth); }
.logos-grid:hover { filter: grayscale(0%); opacity: 1; }
.logos-grid span { font-size: 1.25rem; font-weight: 800; }

/* Process */
.steps-wrapper { display: grid; grid-template-columns: 1fr; gap: 2rem; position: relative; padding-left: 2rem; border-left: 2px solid rgba(193, 198, 215, 0.3); }
.step-item { position: relative; text-align: left; }
.step-num { width: 3rem; height: 3rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.25rem; font-weight: 700; position: absolute; left: -3.5rem; top: -0.5rem; }

/* Reviews */
.rating-huge-wrap { flex-direction: column; align-items: flex-start; }
.icon-half { font-variation-settings: 'FILL' 0.5; }
.bar-row { display: flex; align-items: center; gap: 1rem; margin-bottom: 0.5rem; }
.bar-lbl { width: 1rem; }
.bar { flex: 1; height: 0.5rem; border-radius: var(--radius-full); overflow: hidden; }
.fill { height: 100%; border-radius: var(--radius-full); }
.reviews-grid { display: grid; gap: 1.5rem; }
.avatar { width: 2.5rem; height: 2.5rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; }

/* FAQ */
.faq-item { margin-bottom: 1rem; transition: var(--transition-smooth); }
.faq-item summary { outline: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item[open] .chevron { transform: rotate(180deg); }

/* CTA */
.gradient-primary { background: linear-gradient(135deg, var(--primary), var(--primary-container)); }
.title-huge { font-family: var(--font-headline); font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; }

/* Desktop Media Queries */
@media(min-width: 768px) {
  .hero-ctas { flex-direction: row; }
  .calc-wrapper { flex-direction: row; }
  .calc-form { flex: 3; }
  .calc-summary { flex: 2; position: sticky; top: 10rem; }
  .cards-grid { grid-template-columns: repeat(3, 1fr); }
  .grid-desktop-2r { grid-template-columns: 1fr 1fr; }
  .grid-desktop-3c { grid-template-columns: 1fr 2fr; }
  .logos-grid { grid-template-columns: repeat(6, 1fr); }
  .steps-wrapper { grid-template-columns: repeat(4, 1fr); border-left: none; text-align: center; padding-left: 0; }
  .step-line { position: absolute; height: 2px; background: rgba(193, 198, 215, 0.3); top: 1.5rem; left: 10%; right: 10%; z-index: 0; }
  .step-item { z-index: 10; text-align: center; }
  .step-num { position: relative; margin: 0 auto 1.5rem; left: 0; top: 0; }
  .rating-huge-wrap { flex-direction: row; }
  .reviews-grid { grid-template-columns: 1fr 1fr; }
  .hide-on-desktop { display: none !important; }
  .show-on-desktop { display: flex !important; }
  .md-show { display: block !important; }
}
@media(max-width: 767px) {
  .hide-on-mobile { display: none !important; }
  .order-mob-1 { order: 1; }
  .order-mob-2 { order: 2; }
}