/* ─── Base ─── */

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-weight: 300;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.3;
}

h2 {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-3xl));
  font-weight: 400;
  margin-bottom: var(--space-lg);
}

h3 {
  font-size: 1.4rem;
  font-weight: 400;
}

p + p {
  margin-top: 1.2rem;
}

/* ─── Layout ─── */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

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

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

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

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

.section-label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

/* ─── Header ─── */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-xl);
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.header--scrolled {
  background-color: rgba(253, 250, 246, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.header__logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.header__nav a {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

.header__nav a:hover,
.header__nav a.active {
  color: var(--color-text);
}

.header__nav a:hover::after,
.header__nav a.active::after {
  width: 100%;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  margin: 5px 0;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background-color: rgba(253, 250, 246, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-2xl);
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu a {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--color-accent);
}

/* ─── Hero ─── */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-xl);
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(181, 84, 58, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 30%, rgba(92, 107, 79, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  max-width: 680px;
}

.hero__title {
  font-size: var(--text-hero);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.25em;
}

.hero__subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
}

.hero__tagline {
  font-size: clamp(var(--text-lg), 2.5vw, var(--text-xl));
  max-width: 520px;
  margin: 0 auto var(--space-2xl);
  font-weight: 300;
}

/* Page Hero (compact, for inner pages) */
.hero--page {
  min-height: auto;
  padding: calc(var(--header-height) + var(--space-4xl)) var(--space-xl) var(--space-3xl);
  background:
    radial-gradient(ellipse at 30% 50%, rgba(181, 84, 58, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 30%, rgba(92, 107, 79, 0.04) 0%, transparent 50%);
}

.hero--page .hero__title {
  font-size: clamp(var(--text-2xl), 5vw, var(--text-3xl));
  margin-bottom: var(--space-md);
}

.hero--page .hero__tagline {
  font-size: var(--text-lg);
  margin-bottom: 0;
  color: var(--color-text-muted);
}

/* ─── Badge ─── */

.badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius-full);
  padding: 0.6em 1.8em;
}

/* ─── Scroll Hint ─── */

.scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.6;
}

.scroll-hint svg {
  width: 20px;
  height: 20px;
  animation: bob 2s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

/* ─── Buttons ─── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 500;
  padding: 0.75em 2em;
  border-radius: var(--radius-full);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
}

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

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

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

.btn--outline:hover {
  background-color: var(--color-accent);
  color: var(--color-bg);
  transform: translateY(-1px);
}

/* ─── Pillars ─── */

.pillar-grid {
  display: grid;
  gap: var(--space-2xl);
  margin-top: var(--space-2xl);
}

.pillar {
  display: grid;
  gap: 0.6rem;
}

.pillar p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.pillar-num {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--color-accent-light);
}

/* ─── Comparison Grid ─── */

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg) var(--space-2xl);
  margin-top: var(--space-2xl);
}

.compare-item {
  padding: 1.2rem 0;
  border-top: 1px solid var(--color-border);
}

.compare-item .label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.4rem;
}

.compare-item--old .value {
  color: var(--color-text-muted);
  text-decoration: line-through;
  text-decoration-color: rgba(0, 0, 0, 0.15);
}

.compare-item--new .value {
  color: var(--color-olive);
  font-weight: 400;
}

/* ─── CTA Section ─── */

.cta {
  text-align: center;
  padding: var(--space-5xl) var(--space-xl);
  background:
    radial-gradient(ellipse at 50% 50%, rgba(92, 107, 79, 0.06) 0%, transparent 60%);
}

.cta h2 {
  font-size: clamp(var(--text-2xl), 5vw, var(--text-3xl));
  margin-bottom: var(--space-md);
}

.cta p {
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto;
}

/* ─── Split Layout ─── */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.split--reverse {
  direction: rtl;
}

.split--reverse > * {
  direction: ltr;
}

/* ─── Cards ─── */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.card__icon {
  font-size: 1.8rem;
  margin-bottom: var(--space-md);
}

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

.card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ─── FAQ Accordion ─── */

.faq-group {
  margin-bottom: var(--space-3xl);
}

.faq-group__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1.5px solid var(--color-accent);
}

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

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

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

.faq-item__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-left: var(--space-md);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-item__icon {
  transform: rotate(45deg);
}

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

.faq-item__answer-inner {
  padding: 0 0 var(--space-lg);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ─── Forms ─── */

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

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.85em 1em;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(181, 84, 58, 0.1);
}

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

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B6B6B' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1em center;
  padding-right: 2.5em;
}

.form-status {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  display: none;
  margin-top: var(--space-md);
}

.form-status--success {
  display: block;
  background: rgba(92, 107, 79, 0.1);
  color: var(--color-olive);
  border: 1px solid rgba(92, 107, 79, 0.2);
}

.form-status--error {
  display: block;
  background: rgba(181, 84, 58, 0.1);
  color: var(--color-accent);
  border: 1px solid rgba(181, 84, 58, 0.2);
}

/* ─── Footer ─── */

.footer {
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
}

.footer__inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-2xl);
  text-align: left;
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-xl);
}

.footer__brand {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.footer__desc {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.footer__heading {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 400;
  margin-bottom: var(--space-md);
}

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

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

.footer__copyright {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ─── Scroll Reveal ─── */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ─── Responsive ─── */

@media (max-width: 768px) {
  .header__nav {
    display: none;
  }

  .hamburger {
    display: block;
  }

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

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

  .split--reverse {
    direction: ltr;
  }

  .compare-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .compare-item--old {
    display: none;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer__links {
    align-items: center;
  }

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

  .hero--page {
    padding: calc(var(--header-height) + var(--space-3xl)) var(--space-lg) var(--space-2xl);
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .scroll-hint svg {
    animation: none;
  }
}