/* ============================================
   DOUCEO — Premium Design System
   Traitement d'eau en Belgique
   ============================================ */

/* ---- Typography ---- */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@500;700&display=swap');

/* ---- Design Tokens ---- */
:root {
  /* Palette — Refined neutrals + singular teal accent */
  --color-bg: #fafbfc;
  --color-surface: #ffffff;
  --color-navy: #0f1729;
  --color-heading: #111827;
  --color-body: #4b5563;
  --color-muted: #9ca3af;
  --color-border: #e5e7eb;
  --color-border-subtle: #f3f4f6;
  --color-accent: #0d9488;
  --color-accent-light: rgba(13, 148, 136, 0.08);
  --color-accent-medium: rgba(13, 148, 136, 0.15);
  --color-blue: #0284c7;
  --color-blue-light: rgba(2, 132, 199, 0.08);

  /* Legacy aliases (for blog pages) */
  --color-turquoise: #0d9488;
  --color-gray-light: #f3f4f6;
  --color-text-body: #4b5563;
  --gradient-primary: linear-gradient(135deg, #0284c7, #0d9488);
  --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);

  /* Gradients */
  --gradient-accent: linear-gradient(135deg, #0284c7, #0d9488);
  --gradient-surface: linear-gradient(135deg, rgba(2, 132, 199, 0.04), rgba(13, 148, 136, 0.04));
  --gradient-dark: linear-gradient(135deg, #0f1729, #1e293b);

  /* Typography */
  --font-sans: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 4rem;
  --space-24: 5rem;
  --space-32: 6rem;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Shadows — tinted, diffused */
  --shadow-xs: 0 1px 2px rgba(15, 23, 41, 0.04);
  --shadow-sm: 0 2px 8px rgba(15, 23, 41, 0.06);
  --shadow-md: 0 4px 16px rgba(15, 23, 41, 0.08);
  --shadow-lg: 0 12px 32px -4px rgba(15, 23, 41, 0.1);
  --shadow-xl: 0 20px 40px -8px rgba(15, 23, 41, 0.12);
  --shadow-accent: 0 4px 16px rgba(13, 148, 136, 0.25);
  --shadow-inner: inset 0 1px 0 rgba(255, 255, 255, 0.08);

  /* Transitions — cubic bezier for premium feel */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 200ms;
  --duration-base: 350ms;
  --duration-slow: 600ms;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-body);
  background: var(--color-bg);
}

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

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

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

ul { list-style: none; }

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-family: var(--font-sans);
  color: var(--color-heading);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

h4 {
  font-size: 1.05rem;
  font-weight: 600;
}

p { margin-bottom: var(--space-6); }

.text-accent {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-mono {
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

/* ---- Layout ---- */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.section {
  padding: var(--space-16) 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-label svg {
  width: 16px;
  height: 16px;
}

.section-header {
  max-width: 640px;
  margin-bottom: var(--space-10);
}

.section-header.centered {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--color-body);
  line-height: 1.7;
  max-width: 55ch;
}

.section-header.centered p {
  margin-left: auto;
  margin-right: auto;
}

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 251, 252, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--color-border-subtle);
  transition: box-shadow var(--duration-base) var(--ease-out);
}

.nav.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.nav-logo img {
  height: 64px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-body);
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-heading);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 1px;
  transition: width var(--duration-base) var(--ease-out);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  margin-left: var(--space-4);
}

.nav-cta .btn-primary {
  color: #fff;
}

.nav-cta .btn-primary:hover {
  color: #fff;
}

.nav-cta .btn-primary::after {
  display: none;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
  padding: var(--space-2);
}

.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--color-heading);
  border-radius: 2px;
  transition: all var(--duration-base) var(--ease-out);
}

.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-out);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
}

.btn svg {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-base) var(--ease-out);
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.35);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-primary:hover svg {
  transform: translateX(3px);
}

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

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn-secondary:active {
  transform: translateY(0) scale(0.98);
}

.btn-sm {
  padding: 0.55rem 1.25rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1rem;
}

.btn-white {
  background: #fff;
  color: var(--color-heading);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-heading);
}

/* ---- Hero ---- */
.hero {
  padding-top: calc(72px + var(--space-12));
  padding-bottom: var(--space-12);
  background: var(--color-surface);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-content {
  max-width: 560px;
}

.hero-content h1 {
  margin-bottom: var(--space-6);
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--color-body);
  line-height: 1.75;
  max-width: 48ch;
  margin-bottom: var(--space-10);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
}

.hero-image {
  border-radius: var(--radius-2xl);
  object-fit: cover;
  width: 100%;
  height: 520px;
  box-shadow: var(--shadow-xl);
}

.hero-image-badge {
  position: absolute;
  bottom: -16px;
  left: -16px;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border: 1px solid var(--color-border-subtle);
}

.hero-image-badge .badge-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-badge .badge-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

.hero-image-badge .badge-text strong {
  display: block;
  font-size: 1.1rem;
  font-family: var(--font-mono);
  color: var(--color-heading);
}

.hero-image-badge .badge-text span {
  font-size: 0.78rem;
  color: var(--color-muted);
}

/* ---- Stats Bar ---- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-top: var(--space-16);
}

.stat-item {
  background: var(--color-surface);
  padding: var(--space-8) var(--space-6);
  text-align: center;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-heading);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: 0.82rem;
  color: var(--color-muted);
  font-weight: 500;
}

/* ---- Cards ---- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--duration-base) var(--ease-out);
}

.card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.card-icon.teal {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.card-icon.blue {
  background: var(--color-blue-light);
  color: var(--color-blue);
}

.card h3 { margin-bottom: var(--space-3); }
.card p { font-size: 0.92rem; color: var(--color-body); margin-bottom: 0; }

/* ---- Bento Grid ---- */
.bento-grid {
  display: grid;
  gap: var(--space-6);
}

.bento-grid.cols-2-1 { grid-template-columns: 2fr 1fr; }
.bento-grid.cols-1-2 { grid-template-columns: 1fr 2fr; }
.bento-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.bento-grid.cols-asymmetric { grid-template-columns: 1.2fr 0.8fr; }

/* ---- Feature Row (Zigzag) ---- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }

.feature-visual {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: var(--gradient-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-10);
  min-height: 400px;
}

.feature-visual img {
  max-height: 380px;
  object-fit: contain;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.1));
}

.feature-content h2 { margin-bottom: var(--space-5); }
.feature-content p {
  font-size: 1.02rem;
  line-height: 1.8;
  max-width: 50ch;
}

/* ---- Check List ---- */
.check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: var(--space-6) 0;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.95rem;
  color: var(--color-body);
  line-height: 1.6;
}

.check-list li svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: 2px;
}

/* ---- Steps / Process ---- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  counter-reset: step;
}

.process-step {
  position: relative;
  counter-increment: step;
}

.process-step::before {
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--gradient-accent);
  color: #fff;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: var(--space-5);
}

.process-step h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-2);
}

.process-step p {
  font-size: 0.88rem;
  color: var(--color-muted);
  margin-bottom: 0;
}

/* ---- Testimonials ---- */
.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
}

.testimonial-card:nth-child(2) {
  transform: translateY(-16px);
}

.testimonial-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: var(--space-8);
  right: var(--space-8);
  height: 3px;
  background: var(--gradient-accent);
  border-radius: 0 0 2px 2px;
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-4);
}

.testimonial-stars svg {
  width: 16px;
  height: 16px;
  color: #f59e0b;
  fill: #f59e0b;
}

.testimonial-text {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--color-heading);
  font-weight: 400;
  margin-bottom: var(--space-6);
}

.testimonial-author {
  font-size: 0.85rem;
  color: var(--color-muted);
  font-weight: 500;
}

/* ---- Pricing ---- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  transition: all var(--duration-base) var(--ease-out);
}

.pricing-card.featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.pricing-card.featured::before {
  content: 'Populaire';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 16px;
  border-radius: var(--radius-full);
}

.pricing-card h3 { margin-bottom: var(--space-2); }

.pricing-price {
  font-family: var(--font-sans);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1;
  margin-bottom: var(--space-1);
  letter-spacing: -0.03em;
}

.pricing-price span {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-muted);
  font-family: var(--font-sans);
}

.pricing-desc {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: var(--space-8);
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.88rem;
  color: var(--color-body);
}

.pricing-features li svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ---- CTA Banner ---- */
.cta-banner {
  background: var(--gradient-dark);
  border-radius: var(--radius-2xl);
  padding: var(--space-20) var(--space-16);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  margin-bottom: var(--space-4);
  position: relative;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.1rem;
  max-width: 50ch;
  margin: 0 auto var(--space-8);
  position: relative;
}

/* ---- About / Info Box ---- */
.info-box {
  background: var(--gradient-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4) 0;
}

.info-item + .info-item {
  border-top: 1px solid var(--color-border-subtle);
}

.info-item-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-item-icon svg {
  width: 20px;
  height: 20px;
  color: #fff;
}

.info-item h4 { margin-bottom: var(--space-1); }
.info-item p { font-size: 0.88rem; color: var(--color-body); margin-bottom: 0; }

/* ---- Footer ---- */
.footer {
  background: var(--color-navy);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
  max-width: 32ch;
  margin-bottom: 0;
}

.footer-brand img {
  height: 40px;
  margin-bottom: var(--space-4);
}

.footer h4 {
  color: #fff;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.footer ul li { margin-bottom: var(--space-3); }

.footer a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.88rem;
  transition: color var(--duration-fast) var(--ease-out);
}

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

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.88rem;
  margin-bottom: var(--space-3);
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.footer-bottom {
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
}

.footer-bottom a { color: rgba(255, 255, 255, 0.4); }

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.3rem 0.75rem;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ---- FAQ Accordion ---- */
.accordion {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--duration-base) var(--ease-out);
}

.accordion-item.active {
  border-color: var(--color-accent);
}

.accordion-header {
  padding: var(--space-5) var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-heading);
  background: var(--color-surface);
  transition: background var(--duration-fast) var(--ease-out);
}

.accordion-header:hover { background: var(--color-bg); }

.accordion-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--duration-base) var(--ease-out);
  color: var(--color-muted);
}

.accordion-icon svg { width: 16px; height: 16px; }

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-base) var(--ease-out),
              padding var(--duration-base) var(--ease-out);
}

.accordion-item.active .accordion-content {
  max-height: 500px;
  padding: 0 var(--space-6) var(--space-6);
}

.accordion-content p {
  color: var(--color-body);
  font-size: 0.92rem;
  line-height: 1.75;
  margin-bottom: 0;
}

/* ---- Forms ---- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

label {
  display: block;
  font-weight: 500;
  color: var(--color-heading);
  font-size: 0.88rem;
  margin-bottom: var(--space-1);
}

input, select, textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: var(--color-heading);
  background: var(--color-surface);
  transition: all var(--duration-fast) var(--ease-out);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

textarea { resize: vertical; min-height: 120px; }
input::placeholder { color: var(--color-muted); }

/* ---- Estimator ---- */
.estimator {
  background: var(--color-surface);
  padding: var(--space-10);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

.estimator h3 { margin-bottom: var(--space-2); }
.estimator .subtitle { color: var(--color-body); font-size: 0.92rem; margin-bottom: var(--space-6); }

.step { display: none; }
.step.active { display: block; }

.step-indicator {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.step-dot {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: var(--color-border);
  transition: background var(--duration-base) var(--ease-out);
}

.step-dot.done { background: var(--color-accent); }
.step-dot.current { background: var(--color-blue); }

.option-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.option-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  text-align: center;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.option-card:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

.option-card.selected {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  box-shadow: 0 0 0 3px var(--color-accent-medium);
}

.option-card .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0 auto var(--space-3);
  border-radius: var(--radius-md);
  background: var(--gradient-surface);
}

.option-card .icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-accent);
}

.option-card .label {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-heading);
  display: block;
}

.option-card .desc {
  font-size: 0.78rem;
  color: var(--color-muted);
  margin-top: var(--space-1);
  display: block;
}

.step-nav {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-6);
}

.btn-back {
  background: none;
  border: 1.5px solid var(--color-border);
  color: var(--color-body);
  cursor: pointer;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 500;
  transition: all var(--duration-fast) var(--ease-out);
}

.btn-back:hover {
  border-color: var(--color-heading);
  color: var(--color-heading);
}

.estimate-result { display: none; text-align: center; padding: var(--space-8) 0; }
.estimate-result.show { display: block; }

.estimate-price {
  font-size: 2.75rem;
  font-weight: 700;
  font-family: var(--font-mono);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: var(--space-4) 0 var(--space-1);
}

.estimate-tva { font-size: 0.92rem; color: var(--color-muted); margin-bottom: var(--space-2); }

.estimate-breakdown {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin: var(--space-6) 0;
  text-align: left;
}

.estimate-breakdown .line {
  display: flex;
  justify-content: space-between;
  padding: var(--space-2) 0;
  font-size: 0.88rem;
}

.estimate-breakdown .line.total {
  border-top: 2px solid var(--color-border);
  margin-top: var(--space-2);
  padding-top: var(--space-3);
  font-weight: 700;
  color: var(--color-heading);
}

.estimate-savings {
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin: var(--space-4) 0;
}

.estimate-savings p { margin: 0; font-size: 0.92rem; }

.estimate-sent { display: none; text-align: center; padding: var(--space-8) 0; }
.estimate-sent.show { display: block; }

/* ---- Service Grid ---- */
.service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

/* ---- Hero Dark variant ---- */
.hero-dark {
  padding-top: calc(72px + var(--space-12));
  padding-bottom: var(--space-12);
  background: var(--color-navy);
  position: relative;
  overflow: hidden;
}

.hero-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.08), rgba(2, 132, 199, 0.05));
  pointer-events: none;
}

.hero-dark h1, .hero-dark h2 { color: #fff; }
.hero-dark p { color: rgba(255, 255, 255, 0.7); }

/* ---- Scroll Reveal ---- */
/* Reveal: visible by default, JS adds .will-reveal then .visible for animation */
.will-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-out),
              transform 0.5s var(--ease-out);
}

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

.will-reveal.reveal-delay-1 { transition-delay: 100ms; }
.will-reveal.reveal-delay-2 { transition-delay: 200ms; }
.will-reveal.reveal-delay-3 { transition-delay: 300ms; }
.will-reveal.reveal-delay-4 { transition-delay: 400ms; }

/* ---- Legacy nav compat (blog pages) ---- */
nav:not(.nav) {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 251, 252, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: 0 var(--space-8);
}

nav:not(.nav) .nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

nav:not(.nav) .logo img {
  height: 64px !important;
  width: auto !important;
}

nav:not(.nav) .nav-links {
  display: flex;
  gap: var(--space-8);
  list-style: none;
  align-items: center;
}

nav:not(.nav) .nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-body);
  transition: color var(--duration-fast) var(--ease-out);
}

nav:not(.nav) .nav-links a:hover {
  color: var(--color-heading);
}

nav:not(.nav) .nav-links .btn-primary {
  color: #fff !important;
}

nav:not(.nav) .hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
}

nav:not(.nav) .hamburger span {
  width: 22px;
  height: 2px;
  background: var(--color-heading);
  border-radius: 2px;
}

/* Legacy footer compat */
footer:not(.footer) {
  background: var(--color-navy);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-12) 0 var(--space-8);
}

footer:not(.footer) .footer-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-8);
}

footer:not(.footer) .footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

footer:not(.footer) .footer-col h4 {
  color: #fff;
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-5);
}

footer:not(.footer) .footer-col ul { list-style: none; }
footer:not(.footer) .footer-col ul li { margin-bottom: var(--space-3); }
footer:not(.footer) .footer-col a { color: rgba(255, 255, 255, 0.5); font-size: 0.88rem; }
footer:not(.footer) .footer-col a:hover { color: var(--color-accent); }
footer:not(.footer) .footer-col p { font-size: 0.88rem; color: rgba(255, 255, 255, 0.5); }
footer:not(.footer) .footer-col img { height: 40px !important; margin-bottom: var(--space-4); }
footer:not(.footer) .footer-copyright { text-align: center; font-size: 0.8rem; color: rgba(255, 255, 255, 0.35); }
footer:not(.footer) .footer-copyright a { color: rgba(255, 255, 255, 0.4); }

/* ---- Blog specific ---- */
.blog-hero {
  padding-top: calc(72px + var(--space-12));
  background: var(--gradient-surface);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
}

.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-base) var(--ease-out);
}

.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.blog-card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  background: var(--gradient-surface);
}

.blog-card-body { padding: var(--space-6); }

.blog-card-tag {
  display: inline-block;
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-3);
}

.blog-card-body h3 { font-size: 1.1rem; margin-bottom: var(--space-3); }
.blog-card-body h3 a { color: var(--color-heading); }
.blog-card-body h3 a:hover { color: var(--color-accent); }
.blog-card-body p { font-size: 0.88rem; color: var(--color-body); line-height: 1.7; margin-bottom: var(--space-4); }

.blog-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.read-more { color: var(--color-accent); font-weight: 600; }
.read-more:hover { color: var(--color-blue); }

/* Blog article content */
.blog-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
}

.blog-content h2 { margin-top: var(--space-10); margin-bottom: var(--space-4); }
.blog-content h3 { margin-top: var(--space-8); margin-bottom: var(--space-3); }
.blog-content p { line-height: 1.85; margin-bottom: var(--space-5); }

.blog-meta {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: var(--space-8);
}

.breadcrumb {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-bottom: var(--space-6);
}

.breadcrumb a { color: var(--color-accent); }

.blog-callout {
  background: var(--color-accent-light);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--space-5) var(--space-6);
  margin: var(--space-6) 0;
}

.blog-callout p { margin-bottom: 0; }

.toc {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin: var(--space-6) 0;
}

.toc h3 { font-size: 1rem; margin-bottom: var(--space-3); }
.toc a { color: var(--color-accent); font-size: 0.88rem; }

.blog-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin: var(--space-6) 0;
}

.blog-table th,
.blog-table td {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  text-align: left;
}

.blog-table th {
  background: var(--color-bg);
  font-weight: 600;
  color: var(--color-heading);
}

.table-responsive { overflow-x: auto; }

@media (max-width: 768px) {
  nav:not(.nav) .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(250, 251, 252, 0.98);
    backdrop-filter: blur(16px);
    padding: var(--space-6);
    gap: var(--space-4);
    box-shadow: var(--shadow-md);
  }
  nav:not(.nav) .nav-links.active { display: flex; }
  nav:not(.nav) .hamburger { display: flex; }
  nav:not(.nav) .nav-container { height: 60px; }
  nav:not(.nav) .logo img { height: 36px !important; }
  footer:not(.footer) .footer-grid { grid-template-columns: 1fr 1fr; }
  .blog-hero { padding-top: calc(60px + var(--space-10)); }
}

@media (max-width: 480px) {
  footer:not(.footer) .footer-grid { grid-template-columns: 1fr; }
}

/* ---- Utility ---- */
.bg-surface { background: var(--color-surface); }
.bg-muted { background: var(--color-bg); }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-12); }
  .hero-content { max-width: 100%; }
  .hero-image { height: 380px; }
  .feature-row { grid-template-columns: 1fr; gap: var(--space-8); }
  .feature-row.reverse { direction: ltr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .pricing-card.featured { order: -1; }
  .testimonial-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .testimonial-card:nth-child(2) { transform: none; }
}

@media (max-width: 768px) {
  :root {
    --space-24: 4rem;
    --space-20: 3.5rem;
    --space-16: 3rem;
  }

  .container { padding: 0 var(--space-6); }
  .nav-inner { height: 60px; }
  .nav-logo img { height: 36px; }

  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(250, 251, 252, 0.98);
    backdrop-filter: blur(16px);
    padding: var(--space-6);
    gap: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .nav-links.active { display: flex; }
  .nav-cta { margin-left: 0; }
  .hamburger { display: flex; }

  .hero { padding-top: calc(60px + var(--space-12)); }
  .hero-dark { padding-top: calc(60px + var(--space-10)); }
  .hero-image { height: 300px; }
  .hero-image-badge { display: none; }

  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); }

  .bento-grid.cols-2-1,
  .bento-grid.cols-1-2,
  .bento-grid.cols-2,
  .bento-grid.cols-asymmetric { grid-template-columns: 1fr; }

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

  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .form-row { grid-template-columns: 1fr; }
  .option-grid { grid-template-columns: 1fr; }

  .cta-banner {
    padding: var(--space-12) var(--space-8);
    border-radius: var(--radius-xl);
  }

  .estimator { padding: var(--space-6); }

  .estimator-layout { grid-template-columns: 1fr !important; }
  .estimator-sidebar { display: none; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.5rem; }

  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .stats-bar { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .estimator { padding: var(--space-4); }
}