/* =====================================================
   styles.css — Cercle Solar v1.0
   Requires: design-tokens.css
   Source: visual-identity-spec (DIS-557)
   ===================================================== */

@import './design-tokens.css';

/* ===================== RESET & BASE ===================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.65;
  color: var(--color-text-primary);
  background: var(--color-bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* ===================== TIPOGRAFIA ===================== */

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--text-h1);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--text-h2);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
}

h3 {
  font-size: var(--text-h3);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h4 {
  font-size: var(--text-h4);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.005em;
}

p {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.65;
  color: var(--color-text-primary);
}

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

.label {
  font-family: var(--font-body);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.4;
}

/* ===================== LAYOUT ===================== */

.container {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: var(--space-4xl) 0;
}

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

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

@media (max-width: 1023px) {
  :root { --container-pad: 24px; }
}

@media (max-width: 639px) {
  :root { --container-pad: 16px; }
  .section { padding: var(--space-3xl) 0; }
}

/* ===================== HEADER ===================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

.header.is-scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header__logo-img {
  height: 32px;
  width: auto;
  display: block;
}

/* Before scroll: show reversed (white) logo on dark hero; hide primary */
.header__logo-img--primary {
  display: none;
}

/* After scroll: show primary (colour) logo on light background; hide reversed */
.header.is-scrolled .header__logo-img--reversed {
  display: none;
}

.header.is-scrolled .header__logo-img--primary {
  display: block;
}

.footer__logo-img {
  height: 32px;
  width: auto;
  display: block;
}

/* Nav */
.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  flex: 1;
  justify-content: center;
}

.header__nav-link {
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  font-weight: 500;
  letter-spacing: 0.005em;
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.header__nav-link:hover {
  color: #FFFFFF;
}

.header.is-scrolled .header__nav-link {
  color: var(--color-text-secondary);
}

.header.is-scrolled .header__nav-link:hover {
  color: var(--color-secondary);
}

/* Header CTA */
.header__cta {
  flex-shrink: 0;
}

/* Hamburger (mobile) */
.header__hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: #FFFFFF;
  padding: 4px;
}

.header.is-scrolled .header__hamburger {
  color: var(--color-text-primary);
}

/* Mobile drawer */
.header__drawer {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: min(320px, 85vw);
  height: 100vh;
  background: var(--color-bg-dark);
  z-index: 200;
  flex-direction: column;
  padding: var(--space-2xl) var(--space-xl);
  transition: right var(--transition-slow);
  overflow-y: auto;
}

.header__drawer.is-open {
  right: 0;
}

.header__drawer-close {
  align-self: flex-end;
  background: none;
  border: none;
  cursor: pointer;
  color: #FFFFFF;
  margin-bottom: var(--space-xl);
}

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

.header__drawer-link {
  font-family: var(--font-body);
  font-size: var(--text-body-lg);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: color var(--transition-fast);
}

.header__drawer-link:hover {
  color: var(--color-primary);
}

.header__drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 199;
}

.header__drawer-overlay.is-open {
  display: block;
}

@media (max-width: 1023px) {
  .header__nav { display: none; }
  .header__cta { display: none; }
  .header__hamburger { display: block; }
  .header__drawer { display: flex; }
}

/* ===================== BUTTONS ===================== */

.btn {
  font-family: var(--font-body);
  font-size: var(--text-button);
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  line-height: 1;
  transition: background var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
  border-radius: 10px;
}

.btn-sm {
  padding: 10px 20px;
  font-size: var(--text-body-sm);
  border-radius: var(--radius-sm);
}

/* Primary — Solar Gold */
.btn-primary {
  background: var(--color-primary);
  color: var(--color-dark);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

/* Secondary — Mediterranean Green */
.btn-secondary {
  background: var(--color-secondary);
  color: #FFFFFF;
}
.btn-secondary:hover {
  background: var(--color-secondary-hover);
  transform: translateY(-1px);
}

/* Outline dark */
.btn-outline-dark {
  background: transparent;
  color: var(--color-dark);
  border: 2px solid var(--color-dark);
}
.btn-outline-dark:hover {
  background: var(--color-dark);
  color: #FFFFFF;
}

/* Outline light */
.btn-outline-light {
  background: transparent;
  color: #FFFFFF;
  border: 1.5px solid rgba(255, 255, 255, 0.5);
}
.btn-outline-light:hover {
  border-color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.08);
}

/* Ghost link */
.btn-ghost {
  background: transparent;
  color: var(--color-secondary);
  padding-left: 0;
  padding-right: 0;
}
.btn-ghost:hover {
  text-decoration: underline;
}

/* ===================== FORMS ===================== */

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

.form-label {
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 6px;
  display: block;
}

.form-input,
.form-select,
.form-textarea {
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--color-text-primary);
  background: var(--color-bg-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  width: 100%;
  transition: border-color var(--transition-fast), outline var(--transition-fast);
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-secondary);
  outline: 3px solid rgba(45, 122, 94, 0.2);
  outline-offset: 0;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #8B96A3;
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-alert-error);
}

.form-error {
  font-size: var(--text-caption);
  color: var(--color-alert-error);
  margin-top: 4px;
}

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

/* ===================== HERO ===================== */

.hero {
  position: relative;
  min-height: 100vh;
  max-height: 760px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--color-bg-dark);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-color: var(--color-bg-dark); /* placeholder until real photo */
  background-size: cover;
  background-position: center 30%;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    rgba(28, 43, 58, 0.88) 0%,
    rgba(28, 43, 58, 0.72) 45%,
    rgba(28, 43, 58, 0.35) 100%
  );
  z-index: 1;
}

.hero__container {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: var(--header-height) var(--container-pad) 0;
  flex: 1;
  display: grid;
  grid-template-columns: 55fr 45fr;
  gap: var(--space-2xl);
  align-items: center;
}

/* Text column */
.hero__text {
  padding: 60px 0 80px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 20px;
  padding: 6px 12px;
  background: rgba(232, 160, 32, 0.12);
  border: 1px solid rgba(232, 160, 32, 0.3);
  border-radius: var(--radius-sm);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 3.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin: 0 0 20px;
  max-width: 600px;
}

.hero__title mark {
  background: none;
  color: var(--color-primary);
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-body-lg);
  font-weight: 400;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.82);
  max-width: 500px;
  margin: 0 0 36px;
}

/* CTAs */
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 52px;
}

.hero__cta-primary {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
  background: var(--color-primary);
  border: none;
  border-radius: 10px;
  padding: 16px 32px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  transition: background var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
}

.hero__cta-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.hero__cta-secondary {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: #FFFFFF;
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  border-radius: 10px;
  padding: 16px 28px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.hero__cta-secondary:hover {
  border-color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.08);
}

/* Trust bar */
.hero__trust {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 28px;
}

.hero__trust-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-right: 20px;
}

.hero__trust-item + .hero__trust-item {
  padding-left: 20px;
  padding-right: 0;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__trust-icon {
  color: var(--color-primary);
  margin-bottom: 2px;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.hero__trust-text {
  font-family: var(--font-body);
  font-size: var(--text-caption);
  font-weight: 500;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.72);
}

/* Stats card (visual column) */
.hero__visual {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.hero__stats-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-xl);
  padding: 28px;
  width: 280px;
  box-shadow: var(--shadow-hero-card);
}

.hero__card-eyebrow {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.hero__card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

.hero__card-row:last-of-type {
  border-bottom: none;
}

.hero__card-label {
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  color: var(--color-text-secondary);
}

.hero__card-value {
  font-family: var(--font-heading);
  font-size: var(--text-body-lg);
  font-weight: 700;
  color: var(--color-secondary);
}

.hero__card-badge {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-secondary);
  background: var(--color-green-light);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.hero__card-cta {
  display: block;
  margin-top: 20px;
  text-align: center;
  background: var(--color-secondary);
  color: #FFFFFF;
  font-family: var(--font-body);
  font-size: var(--text-button);
  font-weight: 600;
  padding: 14px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.hero__card-cta:hover {
  background: var(--color-secondary-hover);
}

/* Hero responsive */
@media (max-width: 1023px) {
  .hero__container {
    grid-template-columns: 1fr;
    padding-top: var(--header-height);
  }
  .hero__visual { display: none; }
  .hero__text { padding: 48px 0 40px; }
  .hero__trust { grid-template-columns: repeat(2, 1fr); }
  .hero__trust-item + .hero__trust-item {
    border-left: none;
    padding-left: 0;
  }
  .hero__trust-item:nth-child(3),
  .hero__trust-item:nth-child(4) {
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
}

@media (max-width: 639px) {
  .hero {
    min-height: 100svh;
    max-height: none;
  }
  .hero__title {
    font-size: 2.25rem;
    letter-spacing: -0.015em;
  }
  .hero__subtitle { font-size: var(--text-body); }
  .hero__ctas { flex-direction: column; }
  .hero__cta-primary,
  .hero__cta-secondary {
    width: 100%;
    justify-content: center;
  }
  .hero__trust {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
}

/* ===================== CARDS ===================== */

/* Project card */
.card-project {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card-project:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.card-project__image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-light);
}

.card-project__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-project__body {
  padding: var(--space-lg);
}

.card-project__badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-secondary);
  background: var(--color-green-light);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  margin-bottom: var(--space-sm);
}

.card-project__title {
  font-family: var(--font-heading);
  font-size: var(--text-h3);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.card-project__location {
  font-size: var(--text-body-sm);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: var(--space-md);
}

.card-project__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.card-project__stat-value {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.card-project__stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Benefit card */
.card-benefit {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.card-benefit__icon {
  width: 44px;
  height: 44px;
  background: var(--color-green-light);
  border-radius: 10px;
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-benefit__title {
  font-family: var(--font-heading);
  font-size: var(--text-body-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.card-benefit__text {
  font-size: var(--text-body);
  line-height: 1.65;
  color: var(--color-text-secondary);
}

/* ===================== FAQ ACCORDION ===================== */

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

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  border-left: 3px solid transparent;
  transition: border-color var(--transition-normal);
}

.faq-item.is-open {
  border-left-color: var(--color-secondary);
}

.faq-question {
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 600;
  color: var(--color-text-primary);
  gap: var(--space-md);
  list-style: none;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.faq-question:hover {
  background: var(--color-bg-light);
}

.faq-icon {
  flex-shrink: 0;
  color: var(--color-secondary);
  transition: transform 0.25s ease;
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
}

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

.faq-item.is-open .faq-answer {
  max-height: 600px;
}

.faq-answer__inner {
  padding: 0 24px 20px;
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.65;
  color: var(--color-text-secondary);
}

/* ===================== FOOTER ===================== */

.footer {
  background: var(--color-bg-dark);
  color: #FFFFFF;
  padding: var(--space-3xl) 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2xl);
  padding-bottom: var(--space-3xl);
}

.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--space-md);
}

.footer__brand-tagline {
  font-size: var(--text-body-sm);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: var(--space-lg);
  max-width: 220px;
}

.footer__social {
  display: flex;
  gap: var(--space-sm);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.footer__social-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.footer__col-title {
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: var(--space-md);
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  font-size: var(--text-body-sm);
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: #FFFFFF;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  font-size: var(--text-caption);
  color: rgba(255, 255, 255, 0.45);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-lg);
}

.footer__bottom-link {
  color: rgba(255, 255, 255, 0.45);
  transition: color var(--transition-fast);
}

.footer__bottom-link:hover {
  color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 1023px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 639px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

/* ===================== SECTION: COM FUNCIONA ===================== */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}

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

.step-number {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: var(--color-dark);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-title {
  font-family: var(--font-heading);
  font-size: var(--text-h4);
  font-weight: 700;
  color: var(--color-text-primary);
}

.step-text {
  font-size: var(--text-body);
  line-height: 1.65;
  color: var(--color-text-secondary);
}

@media (max-width: 1023px) {
  .steps-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
}

/* ===================== SECTION: AUDIENCE SPLIT ===================== */

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

.audience-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: box-shadow var(--transition-normal);
}

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

.audience-card--dark {
  background: var(--color-bg-dark);
  border-color: transparent;
  color: #FFFFFF;
}

.audience-card__tag {
  display: inline-block;
  font-size: var(--text-caption);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-secondary);
  background: var(--color-green-light);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.audience-card--dark .audience-card__tag {
  color: var(--color-primary);
  background: rgba(232, 160, 32, 0.15);
}

.audience-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-h3);
  font-weight: 700;
}

.audience-card__text {
  font-size: var(--text-body);
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.audience-card--dark .audience-card__text {
  color: rgba(255, 255, 255, 0.72);
}

@media (max-width: 639px) {
  .audience-grid { grid-template-columns: 1fr; }
}

/* ===================== SECTION HEADER UTILITY ===================== */

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--text-h2);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--text-body-lg);
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ===================== BENEFITS GRID ===================== */

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}

@media (max-width: 1023px) {
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 639px) {
  .benefits-grid { grid-template-columns: 1fr; }
}

/* ===================== CTA SECTION ===================== */

.cta-section {
  background: var(--color-bg-dark);
  color: #FFFFFF;
  text-align: center;
  padding: var(--space-4xl) 0;
}

.cta-section .section-title {
  color: #FFFFFF;
}

.cta-section .section-subtitle {
  color: rgba(255, 255, 255, 0.72);
}

.cta-section__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-xl);
}

/* ===================== UTILITIES ===================== */

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