/* ============================================
   COMPONENTS — VentaFlow SA
   Light theme with code-generated animated hero
   ============================================ */

/* ══════════════════════════════════════════════
   HERO — Pure CSS + SVG Ventilation Schematic
   No images. Engineering blueprint aesthetic.
   ══════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg-main);
  padding-top: calc(var(--header-height) + 20px);
  padding-bottom: 60px;
}

/* Blueprint grid background */
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(10, 143, 143, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 143, 143, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 1;
}

.hero__grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 30%, var(--bg-main) 75%);
}

/* SVG schematic layer */
.hero__schematic {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0.65;
}

.schematic-svg {
  width: 100%;
  height: 100%;
}

/* Hero content */
.hero__content {
  position: relative;
  z-index: 3;
  text-align: center;
  width: 100%;
  max-width: 720px;
  padding-inline: 2rem;
}

/* Badge */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeInDown 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Headline — line-by-line reveal */
.hero__headline {
  font-size: clamp(1.4rem, 7vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.5px;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.line-reveal {
  display: block;
  overflow: hidden;
  padding-top: 0.12em;
  margin-top: -0.12em;
}

.line-reveal__inner {
  display: block;
  animation: lineRevealUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transform: translateY(110%);
}

.line-reveal--delay .line-reveal__inner {
  animation-delay: 0.2s;
}

@keyframes lineRevealUp {
  to { transform: translateY(0); }
}

/* Subtitle */
.hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 2rem;
  line-height: 1.75;
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.6s forwards;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero actions */
.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.8s forwards;
}

.btn--outline-dark {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}
.btn--outline-dark:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* Service icon trio */
.hero__services {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-top: 3.5rem;
  opacity: 0;
  animation: fadeInUp 0.8s ease 1s forwards;
}

.hero__service-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.hero__service-item span {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
}

.hero__service-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: all var(--ease-normal);
}

.hero__service-item:hover .hero__service-icon {
  border-color: var(--color-primary);
  background: rgba(10, 143, 143, 0.06);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(10, 143, 143, 0.12);
}

.hero__service-divider {
  width: 40px;
  height: 1px;
  background: var(--border-color);
}


/* ══════════════════════════════════════════════
   TRUST BAR — Light variant
   ══════════════════════════════════════════════ */
.trust-bar {
  background-color: var(--bg-dark);
  padding: 18px 0;
  color: var(--text-on-dark);
}

.trust-bar__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-inline: 5%;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.trust-bar__item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.trust-bar__item i {
  font-size: 1.3rem;
  color: var(--color-secondary);
}


/* ══════════════════════════════════════════════
   SECTION HEADER
   ══════════════════════════════════════════════ */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header p {
  color: var(--text-secondary);
  margin-top: 0.5rem;
  max-width: 560px;
  margin-inline: auto;
}

.section-header__label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
  margin-bottom: 0.9rem;
}


/* ══════════════════════════════════════════════
   SERVICE CARDS — Light theme
   ══════════════════════════════════════════════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background-color: #ffffff;
  padding: 2.25rem 1.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: transform var(--ease-normal), border-color var(--ease-normal), box-shadow var(--ease-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ease-normal);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: 0 10px 30px rgba(10, 143, 143, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  background-color: rgba(10, 143, 143, 0.06);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-primary);
  font-size: 1.75rem;
}

.service-card__title {
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.service-card__desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}


/* ══════════════════════════════════════════════
   ABOUT SPLIT SECTION
   ══════════════════════════════════════════════ */
.about-split__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-split__content h2 {
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.about-split__content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.75;
}

.about-split__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 1.75rem 0 2rem;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

.about-feature i {
  color: var(--color-primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* Code-generated schematic visual */
.about-schematic {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.about-schematic__inner {
  width: 100%;
  max-width: 320px;
}

.about-svg {
  width: 100%;
  height: auto;
}

.about-schematic__label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-secondary);
}


/* ══════════════════════════════════════════════
   STATS SECTION — Teal background
   ══════════════════════════════════════════════ */
.stats-section {
  padding: 0;
  background: var(--bg-dark);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stats-grid__item {
  padding: 2.5rem 1.75rem;
  border: 1px solid var(--border-color-dark);
  margin: -1px 0 0 -1px;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  text-align: center;
}

.stats-grid__number {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  color: var(--color-secondary);
}

.stats-grid__label {
  font-size: 0.82rem;
  color: var(--text-on-dark-muted);
  font-weight: 500;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 1px;
}


/* ══════════════════════════════════════════════
   PROCESS TIMELINE
   ══════════════════════════════════════════════ */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.process-timeline::before {
  content: "";
  position: absolute;
  top: 38px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-primary));
  opacity: 0.2;
}

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

.process-step__number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
  position: relative;
  display: inline-block;
}

.process-step__number::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(10, 143, 143, 0.25);
}

.process-step__content h3 {
  margin-bottom: 0.6rem;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.process-step__content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}


/* ══════════════════════════════════════════════
   TESTIMONIAL
   ══════════════════════════════════════════════ */
.testimonial {
  text-align: center;
  position: relative;
  max-width: 750px;
  margin: 0 auto;
}

.testimonial__mark {
  font-family: var(--font-heading);
  font-size: 10rem;
  line-height: 1;
  color: rgba(10, 143, 143, 0.08);
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: -1;
  user-select: none;
}

.testimonial__text {
  font-size: 1.35rem;
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 1.75rem;
  color: var(--text-primary);
}

.testimonial__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.testimonial__avatar-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(10, 143, 143, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.6rem;
  border: 2px solid var(--color-primary);
  flex-shrink: 0;
}

.testimonial__name {
  margin-bottom: 2px;
  color: var(--text-primary);
}

.testimonial__role {
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 600;
}


/* ══════════════════════════════════════════════
   CTA BAND — Teal gradient
   ══════════════════════════════════════════════ */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary) 0%, #066060 100%);
  padding: 70px 0;
  color: #ffffff;
}

.cta-band__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.cta-band__text {
  flex: 1;
  min-width: 280px;
}

.cta-band__text h2 {
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.cta-band__text p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 480px;
}

.btn--white {
  background: #ffffff;
  color: var(--color-primary);
  border: 2px solid #ffffff;
  font-weight: 700;
}
.btn--white:hover {
  background: transparent;
  color: #ffffff;
  transform: translateY(-2px);
}


/* ══════════════════════════════════════════════
   CONTACT FORM + INFO PANEL — Light theme
   ══════════════════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 4rem;
  align-items: start;
}

.contact-form__heading {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.contact-form__sub {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.65;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  transition: border-color var(--ease-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(10, 143, 143, 0.08);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.contact-form__success {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 1rem;
  margin-top: 1rem;
}

.contact-form__success i { font-size: 1.4rem; }

/* Info Panel */
.contact-info {
  display: flex;
  flex-direction: column;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.contact-info__card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.4rem 1.75rem;
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--ease-fast);
}

.contact-info__card:last-of-type { border-bottom: none; }
.contact-info__card:hover { background-color: rgba(10, 143, 143, 0.02); }

.contact-info__icon {
  width: 42px;
  height: 42px;
  background-color: rgba(10, 143, 143, 0.06);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-info__card h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.contact-info__card a,
.contact-info__card p {
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 500;
}

.contact-info__card a:hover { color: var(--color-primary); }


/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .process-timeline { grid-template-columns: repeat(2, 1fr); gap: 2.5rem; }
  .process-timeline::before { display: none; }
  .about-split__grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
  .hero { padding-bottom: 40px; }
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__services { flex-direction: column; gap: 1.5rem; }
  .hero__service-divider { width: 40px; height: 1px; }
  .hero__schematic { opacity: 0.35; }
  .trust-bar__inner { justify-content: center; }
  .trust-bar__item { width: 45%; margin-bottom: 8px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-band__inner { flex-direction: column; text-align: center; }
  .about-split__features { grid-template-columns: 1fr; }
  .process-timeline { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .trust-bar__item { width: 100%; justify-content: center; }
}