/* ================================================
   CHANAN STUDIO — Design System & Styles
   ================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@500;600;700&display=swap');

/* --- Custom Properties --- */
:root {
  /* Colors */
  --color-bg: #FAFAF7;
  --color-bg-alt: #F3F2ED;
  --color-surface: #FFFFFF;
  --color-text: #1A1A1E;
  --color-text-secondary: #5A5A64;
  --color-text-tertiary: #8C8C96;
  --color-accent: #1B4D4F;
  --color-accent-hover: #154042;
  --color-accent-light: #E6EFEF;
  --color-accent-subtle: #F0F6F6;
  --color-border: #E6E5E0;
  --color-border-light: #EEEDEA;
  --color-success: #2D7A4F;
  --color-highlight: #D4A853;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Section padding */
  --section-py: clamp(4rem, 8vw, 7rem);
  --section-px: clamp(1.25rem, 5vw, 2rem);

  /* Container */
  --container-max: 1140px;
  --container-narrow: 780px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(26,26,30,0.04), 0 1px 2px rgba(26,26,30,0.02);
  --shadow-md: 0 4px 16px rgba(26,26,30,0.06), 0 1px 4px rgba(26,26,30,0.03);
  --shadow-lg: 0 8px 32px rgba(26,26,30,0.08), 0 2px 8px rgba(26,26,30,0.03);
  --shadow-hover: 0 12px 40px rgba(26,26,30,0.10), 0 4px 12px rgba(26,26,30,0.04);

  /* Transitions */
  --transition-fast: 180ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

::selection {
  background-color: var(--color-accent);
  color: #fff;
}

/* --- Utilities --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--section-px);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--section-py) 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section-label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 620px;
}

.section-header {
  margin-bottom: var(--space-xl);
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.8125rem 1.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
  line-height: 1.4;
}

.btn--primary {
  background-color: var(--color-accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(27,77,79,0.18);
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  color: #fff;
  box-shadow: 0 4px 16px rgba(27,77,79,0.25);
  transform: translateY(-1px);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: var(--color-accent-subtle);
}

.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  padding: 0.5rem 0;
  border-bottom: 1.5px solid var(--color-accent);
  border-radius: 0;
}

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

.btn--small {
  font-size: 0.875rem;
  padding: 0.625rem 1.25rem;
}

.btn--whatsapp {
  background-color: #25D366;
  color: #fff;
}

.btn--whatsapp:hover {
  background-color: #1FB855;
  color: #fff;
  transform: translateY(-1px);
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(250, 250, 247, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
  border-bottom-color: var(--color-border-light);
  box-shadow: 0 1px 8px rgba(26,26,30,0.04);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--section-px);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}

.header__logo svg {
  width: 32px;
  height: 32px;
  color: var(--color-accent);
}

.header__logo-text {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.header__logo-text span {
  font-weight: 400;
  color: var(--color-text-secondary);
  margin-left: 0.25rem;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 450;
  color: var(--color-text-secondary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-text);
  background-color: rgba(26,26,30,0.04);
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 3px;
  border: 1px solid var(--color-border-light);
}

.lang-btn {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  color: var(--color-text-tertiary);
  transition: all var(--transition-fast);
  letter-spacing: 0.02em;
}

.lang-btn:hover {
  color: var(--color-text);
}

.lang-btn.active {
  background-color: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

/* Header CTA */
.header__cta {
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.5rem 1.125rem;
  background-color: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: none;
}

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

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.menu-toggle:hover {
  background-color: rgba(26,26,30,0.04);
}

.menu-toggle__icon {
  position: relative;
  width: 20px;
  height: 14px;
}

.menu-toggle__icon span {
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.menu-toggle__icon span:nth-child(1) { top: 0; }
.menu-toggle__icon span:nth-child(2) { top: 6px; }
.menu-toggle__icon span:nth-child(3) { top: 12px; }

.menu-toggle.active .menu-toggle__icon span:nth-child(1) {
  top: 6px;
  transform: rotate(45deg);
}

.menu-toggle.active .menu-toggle__icon span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active .menu-toggle__icon span:nth-child(3) {
  top: 6px;
  transform: rotate(-45deg);
}

/* --- Hero --- */
.hero {
  padding-top: calc(72px + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(27,77,79,0.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(212,168,83,0.03) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 620px;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero__visual {
  position: relative;
  z-index: 1;
}

.hero__visual-inner {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero__visual-inner::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05); /* subtle inner border */
  pointer-events: none;
}

.hero__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 4/5;
  transition: transform var(--transition-slow);
}

.hero__visual:hover .hero__img {
  transform: scale(1.03);
}

.hero__visual-decoration {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  background-image: radial-gradient(var(--color-border) 2px, transparent 2px);
  background-size: 14px 14px;
  z-index: -1;
  border-radius: var(--radius-md);
}

.hero__label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero__label::before {
  content: '';
  width: 32px;
  height: 1.5px;
  background-color: var(--color-accent);
  display: inline-block;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5.5vw, 3.25rem);
  font-weight: 600;
  line-height: 1.18;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.hero__subtitle {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  max-width: 580px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.hero__meta-item {
  padding: 1rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.hero__meta-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}

.hero__meta-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

/* --- About / Positioning --- */
.about__layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.about__top {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-xl);
  align-items: center;
}

.about__visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.about__img {
  width: 100%;
  display: block;
  object-fit: cover;
  aspect-ratio: 16/10;
  transition: transform var(--transition-slow);
}

.about__visual:hover .about__img {
  transform: scale(1.03);
}

.about__highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.about__text p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  font-size: 1.0625rem;
  line-height: 1.75;
}

.about__text p:last-child {
  margin-bottom: 0;
}



.about__highlight {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-base);
}

.about__highlight:hover {
  box-shadow: var(--shadow-md);
}

.about__highlight-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
}

.about__highlight-icon svg {
  width: 20px;
  height: 20px;
}

.about__highlight h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.about__highlight p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* --- Services --- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.service-card {
  padding: 2rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
}

.service-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: rgba(27,77,79,0.15);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
}

.service-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.service-card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* --- Advantages --- */
.advantages__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.advantage-item {
  padding: 1.75rem;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-base);
}

.advantage-item:hover {
  background-color: var(--color-surface);
}

.advantage-item__number {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  font-family: var(--font-sans);
}

.advantage-item__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.advantage-item__desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* --- Good Fit / Segments --- */
.segments__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.segment-card {
  padding: 1.75rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.segment-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.segment-card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* --- Pricing / Plans --- */
.plans__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  align-items: start;
}

.plan-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  position: relative;
  transition: all var(--transition-base);
}

.plan-card:hover {
  box-shadow: var(--shadow-lg);
}

.plan-card--featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.plan-card--featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--color-accent);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.plan-card__badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background-color: var(--color-accent);
  color: #fff;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  margin-bottom: var(--space-md);
}

.plan-card__name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.plan-card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  min-height: 48px;
}

.plan-card__price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  line-height: 1;
}

.plan-card__price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-tertiary);
}

.plan-card__divider {
  width: 100%;
  height: 1px;
  background-color: var(--color-border-light);
  margin-bottom: var(--space-md);
}

.plan-card__features {
  margin-bottom: var(--space-lg);
}

.plan-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  padding: 0.4rem 0;
}

.plan-card__features li svg {
  width: 18px;
  height: 18px;
  min-width: 18px;
  color: var(--color-accent);
  margin-top: 2px;
}

.plan-card .btn {
  width: 100%;
  text-align: center;
}

/* --- Maintenance Plans --- */
.maintenance__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.maintenance-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition-base);
}

.maintenance-card:hover {
  box-shadow: var(--shadow-md);
}

.maintenance-card__name {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
}

.maintenance-card__price {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.maintenance-card__price span {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-tertiary);
}

.maintenance-card__features {
  margin-top: var(--space-sm);
}

.maintenance-card__features li {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  padding: 0.3rem 0;
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.maintenance-card__features li::before {
  content: '';
  width: 5px;
  height: 5px;
  background-color: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Domain note */
.domain-note {
  margin-top: var(--space-lg);
  padding: 1.25rem 1.5rem;
  background-color: var(--color-accent-subtle);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.domain-note__icon {
  color: var(--color-accent);
  flex-shrink: 0;
}

.domain-note__icon svg {
  width: 20px;
  height: 20px;
}

.domain-note p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.domain-note strong {
  color: var(--color-text);
}

/* --- Process / How It Works --- */
.process__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-sm);
  position: relative;
}

.process__grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(10% + 20px);
  right: calc(10% + 20px);
  height: 1.5px;
  background: repeating-linear-gradient(
    to right,
    var(--color-border) 0,
    var(--color-border) 8px,
    transparent 8px,
    transparent 16px
  );
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-step__number {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-surface);
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.125rem;
  border-radius: 50%;
  margin: 0 auto var(--space-sm);
}

.process-step__title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
}

.process-step__desc {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
  max-width: 180px;
  margin: 0 auto;
}

/* --- FAQ --- */
.faq__list {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border-light);
}

.faq-item:first-child {
  border-top: 1px solid var(--color-border-light);
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.375rem 0;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-text);
  text-align: left;
  transition: color var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
}

.faq-item__question:hover {
  color: var(--color-accent);
}

.faq-item__icon {
  width: 24px;
  height: 24px;
  min-width: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base);
}

.faq-item__icon svg {
  width: 16px;
  height: 16px;
  color: var(--color-text-tertiary);
}

.faq-item.active .faq-item__icon {
  transform: rotate(180deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item__answer-inner {
  padding-bottom: 1.375rem;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 90%;
}

.faq-item.active .faq-item__answer {
  max-height: 300px;
}

/* --- Contact --- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact__info {
  padding-top: 0.5rem;
}

.contact__info-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-sm);
}

.contact__info-desc {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.contact__channels {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.contact__channel {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--color-text);
  font-size: 0.9375rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.contact__channel:hover {
  background-color: var(--color-accent-subtle);
  color: var(--color-text);
}

.contact__channel-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
}

.contact__channel-icon svg {
  width: 18px;
  height: 18px;
}

.contact__channel-label {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

.contact__channel-value {
  font-weight: 500;
}

.contact__note {
  padding: 1rem 1.125rem;
  background-color: var(--color-accent-subtle);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* Contact form */
.contact-form {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  font-size: 0.9375rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(27,77,79,0.08);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-tertiary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-submit {
  margin-top: var(--space-sm);
}

.form-submit .btn {
  width: 100%;
}

.form-notice {
  margin-top: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  text-align: center;
}

/* --- Footer --- */
.footer {
  background-color: var(--color-text);
  color: #fff;
  padding: var(--space-xl) 0 var(--space-md);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr repeat(2, 0.8fr) 1.2fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer__brand p {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  margin-top: var(--space-sm);
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  color: #fff;
  text-decoration: none;
  margin-bottom: 0.5rem;
}

.footer__logo svg {
  width: 28px;
  height: 28px;
}

.footer__logo-text {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.footer__logo-text span {
  font-weight: 400;
  color: rgba(255,255,255,0.55);
  margin-left: 0.2rem;
}

.footer__heading {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
  color: rgba(255,255,255,0.45);
}

.footer__links li {
  margin-bottom: 0.5rem;
}

.footer__links a {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: #fff;
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 0.625rem;
}

.footer__contact-item svg {
  width: 16px;
  height: 16px;
  min-width: 16px;
  color: var(--color-accent);
  opacity: 0.7;
}

.footer__contact-item a {
  color: rgba(255,255,255,0.7);
}

.footer__contact-item a:hover {
  color: #fff;
}

.footer__social-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__social-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.7);
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  color: #fff;
  transform: translateX(4px);
}

.footer__social-link svg {
  width: 20px;
  height: 20px;
  color: var(--color-highlight);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.35);
}

.footer__legal-links {
  display: flex;
  gap: 1.5rem;
}

.footer__legal-links a {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.35);
}

.footer__legal-links a:hover {
  color: rgba(255,255,255,0.7);
}

/* --- Legal Pages --- */
.legal-page {
  min-height: 100vh;
  padding: calc(72px + var(--space-xl)) 0 var(--space-xl);
}

.legal-page__header {
  margin-bottom: var(--space-xl);
}

.legal-page__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.legal-page__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

.legal-page__intro {
  max-width: 760px;
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.legal-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.legal-card + .legal-card {
  margin-top: var(--space-md);
}

.legal-card h2 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.legal-card h3 {
  font-size: 1rem;
  margin: var(--space-md) 0 0.5rem;
}

.legal-card p,
.legal-card li {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.legal-card ul {
  list-style: disc;
  padding-left: 1.25rem;
}

.legal-card li + li {
  margin-top: 0.35rem;
}

.legal-page__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: var(--space-lg);
  font-size: 0.9375rem;
  font-weight: 500;
}

/* --- WhatsApp Float --- */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 900;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #25D366;
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(37,211,102,0.3);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37,211,102,0.4);
  color: #fff;
}

.whatsapp-float svg {
  width: 26px;
  height: 26px;
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* --- Responsive --- */

/* Large desktop */
@media (min-width: 1024px) {
  .header__cta {
    display: inline-flex;
  }
}

/* Tablet */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .plans__grid {
    grid-template-columns: 1fr;
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
  }

  .maintenance__grid {
    grid-template-columns: 1fr;
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
  }

  .process__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    row-gap: var(--space-lg);
  }

  .process__grid::before {
    display: none;
  }

  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }

  .about__top, .about__highlights {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --section-py: clamp(3rem, 6vw, 5rem);
  }

  .menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-bg);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-lg) var(--section-px);
    gap: var(--space-sm);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    z-index: 999;
  }

  .nav.open {
    transform: translateX(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav__link {
    font-size: 1rem;
    padding: 0.875rem 0.75rem;
    border-bottom: 1px solid var(--color-border-light);
  }

  .lang-switcher {
    align-self: flex-start;
    margin-top: var(--space-sm);
  }

  .header__cta {
    display: inline-flex;
    align-self: flex-start;
    margin-top: var(--space-sm);
  }

  .hero {
    padding-top: calc(72px + var(--space-xl));
    padding-bottom: var(--space-xl);
  }

  .hero__title {
    font-size: clamp(1.75rem, 6vw, 2.75rem);
  }

  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .hero__visual-inner {
    max-width: 500px;
    margin: 0 auto;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    text-align: center;
  }

  .hero__meta {
    grid-template-columns: 1fr;
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .advantages__grid {
    grid-template-columns: 1fr;
  }

  .segments__grid {
    grid-template-columns: 1fr;
  }

  .process__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    row-gap: var(--space-lg);
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .contact-form {
    padding: 1.75rem;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .footer__legal-links {
    justify-content: center;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .plan-card {
    padding: 2rem 1.5rem;
  }

  .contact-form {
    padding: 1.5rem;
  }

  .service-card {
    padding: 1.5rem;
  }

  .process__grid {
    grid-template-columns: 1fr;
  }
}