/* ============================================================
   SOLARNOVA
   ============================================================ */

:root {
  /* Base */
  --color-bg-primary:          #0A0F14;
  --color-bg-secondary:        #101826;
  --color-surface:             #1B2431;

  /* Solar */
  --color-accent-primary:      #F5B700;
  --color-accent-primary-hover:#FF9F1C;
  --color-accent-warm:         #FFD166;

  /* Tech */
  --color-accent-secondary:    #2EC4FF;
  --color-accent-secondary-hover: #7AE7FF;
  --color-accent-secondary-soft:  #A6F4FF;

  /* Eco */
  --color-success:             #9BE564;
  --color-success-soft:        #C7F9CC;

  /* Text */
  --color-text-primary:        #EAF4F4;
  --color-text-secondary:      #A9B4C2;
  --color-text-muted:          #6B7C93;

  /* State */
  --color-border:              #243041;
  --color-error:               #FF6B6B;
  --color-warning:             #F4B942;
  --color-info:                #56CCF2;

  /* Typography */
  --font-primary: 'Inter', Arial, Helvetica, sans-serif;
  --font-secondary: 'Sora', 'Inter', Arial, Helvetica, sans-serif;

  /* Spacing */
  --space-xs:   0.25rem;
  --space-sm:   0.5rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2rem;
  --space-2xl:  3rem;
  --space-3xl:  4rem;
  --space-4xl:  6rem;

  /* Spacing */
  --space-5:   1rem;
  --space-6:  2rem;
  --space-7:  4rem;
  --space-8:  1rem;

  /* Radius */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full:9999px;

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Shadows */
  --shadow-soft: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow-solar: 0 0 24px rgba(245,183,0,0.25);
  --shadow-glow-tech:  0 0 24px rgba(46,196,255,0.2);

  /* Container */
  --container-max: 1200px;
  --container-narrow: 760px;
}

/* ── 2. RESET & BASE ──────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol { list-style: none; }

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  line-height: 1.2;
  font-weight: 700;
}

/* ── 3. FONTS ─────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Sora:wght@400;600;700&display=swap');

/* ── 4. LAYOUT ────────────────────────────────────────────── */
.layout-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-xl);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--space-xl);
}

.section {
  padding-block: var(--space-3xl);
}

.section-sm {
  padding-block: var(--space-2xl);
}

.section-lg {
  padding-block: var(--space-4xl);
}

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

/* Grid system */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
}

.flow > * + * {
  margin-top: var(--space-md);
}

/* ── 5. SKIP LINK ─────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent-primary);
  color: var(--color-bg-primary);
  font-weight: 700;
  border-radius: var(--radius-md);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
}

/* ── 6. HEADER & NAV ──────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 15, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base);
}

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

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.brand__logo {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.brand__text {
  font-family: var(--font-secondary);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

.brand__text span {
  color: var(--color-accent-primary);
}

/* Main nav */
.main-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.main-nav__link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.main-nav__link:hover,
.main-nav__link:focus-visible {
  color: var(--color-text-primary);
  background: rgba(255,255,255,0.05);
}

.main-nav__link--active {
  color: var(--color-accent-primary);
}

.main-nav__cta {
  margin-left: var(--space-sm);
}

/* Nav toggle (hamburger) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.nav-toggle:hover { background: rgba(255,255,255,0.05); }

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-primary);
  z-index: 99;
  flex-direction: column;
  padding: var(--space-xl);
  gap: var(--space-sm);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

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

.mobile-nav__link {
  display: block;
  padding: var(--space-md) var(--space-lg);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.mobile-nav__link:hover {
  color: var(--color-text-primary);
  background: var(--color-surface);
}

.mobile-nav__link--active {
  color: var(--color-accent-primary);
}

.mobile-nav__divider {
  height: 1px;
  background: var(--color-border);
  margin-block: var(--space-sm);
}

/* ── 7. HERO ──────────────────────────────────────────────── */
.hero {
  position: relative;
  padding-top: calc(72px + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 0%, rgba(245,183,0,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 10% 80%, rgba(46,196,255,0.06) 0%, transparent 50%);
  pointer-events: none;
}

.hero--home {
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero--internal {
  padding-top: calc(72px + var(--space-2xl));
  padding-bottom: var(--space-2xl);
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content { max-width: 580px; }

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-primary);
  margin-bottom: var(--space-lg);
}

.hero__eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-accent-primary);
  border-radius: 2px;
}

.hero__title {
  font-size: clamp(2.25rem, 5vw, 3.0rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.hero__title .highlight {
  color: var(--color-accent-primary);
  position: relative;
}

.hero__text {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  align-items: center;
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.hero__metric-value {
  font-family: var(--font-secondary);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent-primary);
  line-height: 1;
}

.hero__metric-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* Hero Visual */
.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__visual-bg {
  position: absolute;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(245,183,0,0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.hero__solar-graphic {
  position: relative;
  z-index: 1;
  width: 380px;
  height: 380px;
}

/* Internal hero */
.hero--internal .hero__inner {
  grid-template-columns: 1fr;
  max-width: var(--container-narrow);
}

.hero--internal .hero__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

/* ── 8. SECTION HEADER ────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-2xl);
}

.section-header__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-secondary);
  margin-bottom: var(--space-md);
}

.section-header__title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
  letter-spacing: -0.015em;
}

.section-header__text {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  margin-block: 0;
}

/* ── 9. BUTTONS ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: var(--font-primary);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  transition: all var(--transition-base);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  min-height: 48px;
}

.btn:focus-visible {
  outline: 3px solid var(--color-accent-secondary);
  outline-offset: 3px;
}

.btn--primary {
  background: var(--color-accent-primary);
  color: var(--color-bg-primary);
  border-color: var(--color-accent-primary);
}

.btn--primary:hover {
  background: var(--color-accent-primary-hover);
  border-color: var(--color-accent-primary-hover);
  box-shadow: var(--shadow-glow-solar);
  transform: translateY(-1px);
}

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

.btn--secondary:hover {
  background: rgba(46,196,255,0.1);
  box-shadow: var(--shadow-glow-tech);
}

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

.btn--ghost:hover {
  color: var(--color-text-primary);
  border-color: var(--color-text-muted);
  background: rgba(255,255,255,0.04);
}

.btn--full { width: 100%; }

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.link-inline {
  color: var(--color-accent-secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

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

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-accent-primary);
  font-weight: 600;
  transition: gap var(--transition-fast);
}

.link-arrow:hover { gap: var(--space-sm); }

/* ── 10. BADGES ───────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
}

.badge--solar {
  background: rgba(245,183,0,0.15);
  color: var(--color-accent-primary);
  border: 1px solid rgba(245,183,0,0.3);
}

.badge--tech {
  background: rgba(46,196,255,0.12);
  color: var(--color-accent-secondary);
  border: 1px solid rgba(46,196,255,0.25);
}

.badge--success {
  background: rgba(155,229,100,0.12);
  color: var(--color-success);
  border: 1px solid rgba(155,229,100,0.25);
}

.badge--neutral {
  background: rgba(255,255,255,0.06);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

/* ── 11. CARDS ────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  border-color: rgba(245,183,0,0.25);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  background: rgba(245,183,0,0.1);
}

.card__icon svg {
  width: 26px;
  height: 26px;
  color: var(--color-accent-primary);
}

.card__icon--tech {
  background: rgba(46,196,255,0.1);
}

.card__icon--tech svg {
  color: var(--color-accent-secondary);
}

.card__icon--eco {
  background: rgba(155,229,100,0.1);
}

.card__icon--eco svg {
  color: var(--color-success);
}

.card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.card__text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.card__meta {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.card__footer {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

/* Metric card */
.card--metric {
  text-align: center;
  padding: var(--space-xl);
}

.card--metric .metric-value {
  font-family: var(--font-secondary);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent-primary);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.card--metric .metric-label {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

/* Service card */
.card--service {
  position: relative;
  overflow: hidden;
  margin-bottom: var(--space-lg);
}

.card--service::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card--service:hover::before { opacity: 1; }

/* Testimonial card */
.card--testimonial {
  position: relative;
}

.card--testimonial::before {
  content: '"';
  position: absolute;
  top: var(--space-md);
  right: var(--space-xl);
  font-size: 4rem;
  color: var(--color-accent-primary);
  opacity: 0.2;
  font-family: Georgia, serif;
  line-height: 1;
}

.card--testimonial .testimonial-text {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-bg-primary);
  flex-shrink: 0;
}

.testimonial-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text-primary);
}

.testimonial-role {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.testimonial-stars {
  color: var(--color-accent-primary);
  font-size: 0.875rem;
  letter-spacing: 2px;
  margin-bottom: var(--space-sm);
}

/* Post card */
.card--post {
  padding: 0;
  overflow: hidden;
}

.card--post:hover { transform: translateY(-3px); }

.post-card__image {
  aspect-ratio: 16/9;
  background: var(--color-bg-secondary);
  overflow: hidden;
  position: relative;
}

.post-card__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-surface));
}

.post-card__content {
  padding: var(--space-xl);
}

.post-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
  transition: color var(--transition-fast);
}

.card--post:hover .post-card__title {
  color: var(--color-accent-primary);
}

.post-card__excerpt {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

/* Result card */
.card--result {
  border-color: rgba(245,183,0,0.2);
  background: rgba(245,183,0,0.04);
}

/* ── 12. CTA BANNER ───────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, rgba(245,183,0,0.06) 100%);
  border: 1px solid rgba(245,183,0,0.15);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(245,183,0,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.cta-banner__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
  position: relative;
}

.cta-banner__text {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  max-width: 540px;
  margin-inline: auto;
  margin-bottom: var(--space-xl);
  position: relative;
}

.cta-banner__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ── 13. FAQ ──────────────────────────────────────────────── */
.faq {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.faq__item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq__item--open {
  border-color: rgba(46,196,255,0.3);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  gap: var(--space-md);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq__question:hover { color: var(--color-accent-secondary); }

.faq__question-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-accent-secondary);
  transition: transform var(--transition-base);
}

.faq__item--open .faq__question-icon {
  transform: rotate(45deg);
}

.faq__answer {
  display: none;
  padding: 0 var(--space-xl) var(--space-lg);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.faq__item--open .faq__answer {
  display: block;
}

/* ── 14. FORMS ────────────────────────────────────────────── */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

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

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.form__hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.form__control {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 48px;
}

.form__control::placeholder {
  color: var(--color-text-muted);
}

.form__control:focus {
  outline: none;
  border-color: var(--color-accent-secondary);
  box-shadow: 0 0 0 3px rgba(46,196,255,0.15);
}

.form__control--select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7C93' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form__control--select option {
  background: var(--color-surface);
  color: var(--color-text-primary);
}

.form__control--textarea {
  min-height: 140px;
  resize: vertical;
}

.form__range {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  min-height: auto;
  border: none;
  padding: 0;
}

.form__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--color-accent-primary);
  border-radius: 50%;
  cursor: pointer;
  transition: box-shadow var(--transition-fast);
}

.form__range::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 6px rgba(245,183,0,0.2);
}

.form__range:focus {
  outline: none;
}

.form__range:focus::-webkit-slider-thumb {
  box-shadow: 0 0 0 6px rgba(245,183,0,0.3);
}

.form__radio-group,
.form__checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form__radio-item,
.form__checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.form__radio-item input,
.form__checkbox-item input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent-primary);
  cursor: pointer;
}

.form__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.form__error {
  display: none;
  font-size: 0.8125rem;
  color: var(--color-error);
  align-items: center;
  gap: var(--space-xs);
}

.form__error.is-visible { display: flex; }

.form__success {
  display: none;
  padding: var(--space-lg);
  background: rgba(155,229,100,0.1);
  border: 1px solid rgba(155,229,100,0.25);
  border-radius: var(--radius-md);
  color: var(--color-success);
  font-weight: 600;
  text-align: center;
}

.form__success.is-visible { display: block; }

.form__control.has-error {
  border-color: var(--color-error);
}

.form__range-display {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-xs);
}

.form__range-value {
  font-family: var(--font-secondary);
  font-weight: 700;
  color: var(--color-accent-primary);
}

/* ── 15. CALCULATOR ───────────────────────────────────────── */
.calculator {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.calculator__form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

.calculator__results {
  background: var(--color-surface);
  border: 1px solid rgba(245,183,0,0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  position: sticky;
  top: 96px;
}

.calculator__results-placeholder {
  text-align: center;
  padding: var(--space-xl);
  color: var(--color-text-muted);
}

.calculator__results-placeholder svg {
  width: 64px;
  height: 64px;
  color: var(--color-text-muted);
  margin: 0 auto var(--space-md);
  opacity: 0.5;
}

.calculator__summary {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.result-stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.result-stat__label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.result-stat__value {
  font-family: var(--font-secondary);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent-primary);
}

.result-stat__value--tech { color: var(--color-accent-secondary); }
.result-stat__value--eco  { color: var(--color-success); }

.impact-meter {
  margin-block: var(--space-lg);
}

.impact-meter__label {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.impact-meter__bar {
  height: 8px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.impact-meter__fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-accent-primary), var(--color-success));
  transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  width: 0;
}

.calculator__comparison {
  margin-top: var(--space-xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.comparison-card {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  text-align: center;
}

.comparison-card--before {
  border-color: rgba(255,107,107,0.2);
  background: rgba(255,107,107,0.04);
}

.comparison-card--after {
  border-color: rgba(155,229,100,0.2);
  background: rgba(155,229,100,0.04);
}

.comparison-card__label {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.comparison-card__value {
  font-family: var(--font-secondary);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
}

.comparison-card--before .comparison-card__value { color: var(--color-error); }
.comparison-card--after .comparison-card__value  { color: var(--color-success); }

.comparison-card__sub {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* ── 16. BLOG FILTERS ─────────────────────────────────────── */
.filter-bar {
  margin-bottom: var(--space-xl);
}

.filter-bar__list {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.filter-bar__button {
  padding: 0.5rem 1.125rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-bar__button:hover {
  border-color: var(--color-accent-secondary);
  color: var(--color-accent-secondary);
}

.filter-bar__button.is-active {
  background: var(--color-accent-secondary);
  border-color: var(--color-accent-secondary);
  color: var(--color-bg-primary);
}

.post-grid {
  display: grid;
  gap: var(--space-xl);
}

/* ── 17. TIMELINE / PROCESS ───────────────────────────────── */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent-primary), var(--color-accent-secondary));
}

.timeline__item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-xl);
  position: relative;
}

.timeline__item:last-child { padding-bottom: 0; }

.timeline__dot {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-secondary);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent-primary);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.timeline__content {
  padding-top: var(--space-sm);
}

.timeline__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.timeline__text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ── 18. BENEFIT LIST ─────────────────────────────────────── */
.benefit-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.benefit-item__icon {
  width: 22px;
  height: 22px;
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 2px;
}

.benefit-item__text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.benefit-item__text strong {
  color: var(--color-text-primary);
}

/* ── 19. IMPACT METRICS (global) ──────────────────────────── */
#impact-metrics .metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

/* ── 20. FOOTER ───────────────────────────────────────────── */
.site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-xl);
  margin-top: auto;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-xl);
}

.footer-brand__tagline {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-top: var(--space-md);
  max-width: 260px;
}

.site-footer__nav h4 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.footer-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-nav__link {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-nav__link:hover { color: var(--color-text-primary); }

.site-footer__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-copyright {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-legal {
  display: flex;
  gap: var(--space-lg);
}

.footer-legal a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-legal a:hover { color: var(--color-text-secondary); }

/* ── 21. BACK TO TOP ──────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 44px;
  height: 44px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  z-index: 50;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all var(--transition-base);
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  color: var(--color-bg-primary);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
}

/* ── 22. COOKIE BANNER ────────────────────────────────────── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-lg) var(--space-xl);
  z-index: 200;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

.cookie-banner--visible { transform: translateY(0); }

.cookie-banner__content {
  max-width: var(--container-max);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.cookie-banner__text {
  flex: 1;
  min-width: 260px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.cookie-banner__text a { color: var(--color-accent-secondary); }

.cookie-banner__actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  flex-shrink: 0;
}

.cookie-panel {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl);
  z-index: 201;
  max-height: 80vh;
  overflow-y: auto;
}

.cookie-panel--open { display: block; }

.cookie-panel__inner {
  max-width: 640px;
  margin-inline: auto;
}

.cookie-panel h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-lg);
}

.cookie-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.cookie-option:last-of-type { border-bottom: none; }

.cookie-option__info h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.cookie-option__info p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.cookie-toggle {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.cookie-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.cookie-toggle__slider {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.cookie-toggle__slider::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 3px;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-fast);
}

.cookie-toggle input:checked + .cookie-toggle__slider {
  background: var(--color-accent-primary);
}

.cookie-toggle input:checked + .cookie-toggle__slider::before {
  transform: translateX(20px);
}

.cookie-toggle input:disabled + .cookie-toggle__slider {
  opacity: 0.6;
  cursor: not-allowed;
}

.cookie-panel__actions {
  margin-top: var(--space-xl);
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
}

/* ── 23. REVEAL ANIMATIONS ────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="fade"] {
  transform: none;
}

/* ── 24. UTILITY CLASSES ──────────────────────────────────── */
.text-center    { text-align: center; }
.text-left      { text-align: left; }
.text-muted     { color: var(--color-text-muted); }
.text-accent    { color: var(--color-accent-primary); }
.text-tech      { color: var(--color-accent-secondary); }
.text-eco       { color: var(--color-success); }

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

.is-hidden  { display: none !important; }
.is-visible { display: block; }
.is-active  { /* context-dependent */ }

.has-glow {
  box-shadow: var(--shadow-glow-solar);
}

.shadow-soft { box-shadow: var(--shadow-soft); }
.radius-lg   { border-radius: var(--radius-lg); }

/* ── 25. CONTACT PAGE ─────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-detail {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.contact-detail__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(46,196,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail__icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-accent-secondary);
}

.contact-detail__label {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.contact-detail__value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

.coverage-area {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.coverage-area__title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.coverage-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.coverage-tag {
  padding: 0.25rem 0.75rem;
  background: rgba(46,196,255,0.08);
  border: 1px solid rgba(46,196,255,0.2);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--color-accent-secondary-soft);
}

.privacy-summary {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-top: var(--space-xl);
}

.privacy-summary__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.privacy-summary__text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ── 26. INLINE ALERT ─────────────────────────────────────── */
.alert {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.alert--info {
  background: rgba(86,204,242,0.1);
  border: 1px solid rgba(86,204,242,0.25);
  color: var(--color-info);
}

.alert--warning {
  background: rgba(244,185,66,0.1);
  border: 1px solid rgba(244,185,66,0.25);
  color: var(--color-warning);
}

.alert--success {
  background: rgba(155,229,100,0.1);
  border: 1px solid rgba(155,229,100,0.25);
  color: var(--color-success);
}

.alert svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── 27. HOW IT WORKS ─────────────────────────────────────── */
.how-it-works__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  position: relative;
}

.how-it-works__steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
  z-index: 0;
}

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

.step-card__number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-bg-primary);
  border: 2px solid var(--color-accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-secondary);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-accent-primary);
  margin: 0 auto var(--space-lg);
}

.step-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.step-card__text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── 28. NEWSLETTER ───────────────────────────────────────── */
.newsletter-block {
  background: linear-gradient(135deg, var(--color-bg-secondary), rgba(46,196,255,0.04));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.newsletter-block__content {
  flex: 1;
  min-width: 260px;
}

.newsletter-block__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.newsletter-block__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.newsletter-block__form {
  display: flex;
  gap: var(--space-sm);
  flex: 1;
  min-width: 280px;
}

.newsletter-block__form .form__control {
  flex: 1;
}

/* ── 29. QUICK QUESTIONS ──────────────────────────────────── */
.quick-questions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.quick-question {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.quick-question svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── 30. FEATURED ARTICLE ─────────────────────────────────── */
.featured-article {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-2xl);
}

.featured-article__image {
  background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-surface));
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.featured-article__content {
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-article__label {
  display: inline-block;
  margin-bottom: var(--space-md);
}

.featured-article__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.featured-article__excerpt {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

/* ── 31. SERVICES OVERVIEW ────────────────────────────────── */
.service-highlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  padding: var(--space-2xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.service-highlight--reverse {
  direction: rtl;
}

.service-highlight--reverse > * {
  direction: ltr;
}

.service-highlight__content {}

.service-highlight__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-secondary);
  margin-bottom: var(--space-md);
}

.service-highlight__title {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.service-highlight__text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.service-highlight__visual {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
}

/* ── 32. RESPONSIVENESS ───────────────────────────────────── */

/* Tablet: 768px – 1023px */
@media (max-width: 1023px) {
  .nav-toggle     { display: flex; }
  .main-nav       { display: none; }
  .mobile-nav     { display: flex; }

  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { display: none; }
  .hero--home { min-height: auto; padding-top: calc(72px + var(--space-2xl)); }

  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }

  .how-it-works__steps { grid-template-columns: repeat(2, 1fr); }
  .how-it-works__steps::before { display: none; }

  .calculator { grid-template-columns: 1fr; }
  .calculator__results { position: static; }

  .site-footer__grid { grid-template-columns: 1fr 1fr; }

  #impact-metrics .metric-grid { grid-template-columns: repeat(2, 1fr); }

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

  .featured-article { grid-template-columns: 1fr; }
  .featured-article__image { min-height: 200px; }

  .service-highlight { grid-template-columns: 1fr; }
  .service-highlight--reverse { direction: ltr; }

  .quick-questions { grid-template-columns: 1fr; }
}

/* Mobile: up to 767px */
@media (max-width: 767px) {
  .container,
  .container-narrow { padding-inline: var(--space-lg); }

  .section    { padding-block: var(--space-2xl); }
  .section-lg { padding-block: var(--space-2xl); }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }

  .hero__metrics { grid-template-columns: repeat(3, 1fr); }
  .hero__metric-value { font-size: 1.5rem; }

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

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

  .cta-banner { padding: var(--space-xl) var(--space-lg); }
  .cta-banner__actions { flex-direction: column; }
  .cta-banner__actions .btn { width: 100%; }

  .site-footer__grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .site-footer__meta { flex-direction: column; text-align: center; }
  .footer-legal { justify-content: center; }

  .newsletter-block { flex-direction: column; gap: var(--space-lg); }
  .newsletter-block__form { flex-direction: column; }

  .back-to-top { bottom: var(--space-lg); right: var(--space-lg); }

  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }

  .how-it-works__steps { grid-template-columns: 1fr; }

  #impact-metrics .metric-grid { grid-template-columns: repeat(2, 1fr); }

  .cookie-banner__content { flex-direction: column; gap: var(--space-md); }
  .cookie-banner__actions { width: 100%; justify-content: center; }
}

/* Mobile small: up to 479px */
@media (max-width: 479px) {
  .hero__metrics { grid-template-columns: 1fr; text-align: center; }
  .brand__text   { font-size: 1.125rem; }
  .filter-bar__list { gap: var(--space-xs); }
  .cluster { gap: var(--space-sm); }
}

/* ── 33. FOCUS STYLES ─────────────────────────────────────── */
:focus-visible {
  outline: 3px solid var(--color-accent-secondary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── 34. SELECTION ────────────────────────────────────────── */
::selection {
  background: rgba(245,183,0,0.25);
  color: var(--color-text-primary);
}

/* ── 35. SCROLLBAR ────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg-primary); }
::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }