/* ============================================
   Acharana — 21-Day Alchemy of Transformation
   Hatha Yogashala Stylesheet
   Design: Minimalistic, calming, earth-toned
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors — earthy, calming palette */
  --color-primary: #2d5016;
  --color-primary-light: #3a6b1e;
  --color-primary-dark: #1e3a0e;
  --color-accent: #e8a838;
  --color-accent-dark: #d4922a;
  --color-bg: #faf9f6;
  --color-bg-alt: #f0ede6;
  --color-bg-dark: #1a1a18;
  --color-text: #2c2c2a;
  --color-text-light: #6b6b66;
  --color-text-inverse: #faf9f6;
  --color-border: #e0ddd5;
  --color-card: #ffffff;
  --color-card-shadow: rgba(45, 80, 22, 0.06);

  /* Typography */
  --font-heading: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Layout */
  --max-width: 1140px;
  --header-height: 72px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

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

/* Ensure the HTML `hidden` attribute always wins over any display rule */
[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

/* --- Skip Link (Accessibility) --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(250, 249, 246, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: border-color var(--transition-base), background var(--transition-base);
}

.site-header.scrolled {
  border-bottom-color: var(--color-border);
  background: rgba(250, 249, 246, 0.97);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: color var(--transition-fast);
  letter-spacing: 0.01em;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--color-primary);
}

.nav-cta {
  background: var(--color-primary);
  color: var(--color-text-inverse) !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-weight: 600 !important;
  transition: background var(--transition-fast), transform var(--transition-fast) !important;
}

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

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 110;
}

.nav-toggle-bar {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

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

.nav-toggle.active .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

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

/* --- Hero Section --- */
.hero {
  position: relative;
  /* Safari fix 1: iOS Safari includes the address bar in 100vh.
     --vh is set dynamically by JS to the true inner height.
     Cascade: svh (Safari 15.4+) → --vh JS variable → plain 100vh fallback */
  min-height: 100vh;
  min-height: calc(var(--vh, 1vh) * 100);
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-height) + 2rem) 1.5rem 4rem;
  background:
    linear-gradient(
      135deg,
      #1a2e0a 0%,
      #2d5016 30%,
      #3a6b1e 60%,
      #2d5016 100%
    );
  overflow: hidden;
}

.hero::before {
  content: '';
  /* Safari fix 2: `inset` shorthand requires Safari 14.1+.
     Explicit properties work on all Safari versions. */
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(232, 168, 56, 0.1) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero-overlay {
  /* Safari fix 2: explicit properties instead of `inset` shorthand */
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/><circle cx="50" cy="50" r="30" fill="none" stroke="rgba(255,255,255,0.02)" stroke-width="0.5"/><circle cx="50" cy="50" r="20" fill="none" stroke="rgba(255,255,255,0.02)" stroke-width="0.5"/></svg>') center/400px repeat;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  padding: 0.4rem 1.2rem;
  border: 1px solid rgba(232, 168, 56, 0.4);
  border-radius: var(--radius-full);
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-xs);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 400;
  font-style: italic;
  color: rgba(250, 249, 246, 0.85);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.01em;
}

.hero .highlight {
  color: var(--color-accent);
}

.hero-date {
  font-size: 1.05rem;
  color: rgba(250, 249, 246, 0.85);
  margin-bottom: var(--space-xs);
  font-weight: 500;
}

.hero-tagline {
  font-size: 0.85rem;
  color: rgba(250, 249, 246, 0.5);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Hero dual CTA */
.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}

.hero-scroll-indicator span {
  display: block;
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  position: relative;
}

.hero-scroll-indicator span::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  width: 4px;
  height: 8px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(12px); opacity: 0.3; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 2rem;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  letter-spacing: 0.02em;
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 168, 56, 0.3);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.05rem;
}

.btn-full {
  width: 100%;
}

.btn-ghost {
  background: transparent;
  color: rgba(250, 249, 246, 0.85);
  border: 1.5px solid rgba(250, 249, 246, 0.35);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: rgba(250, 249, 246, 0.1);
  border-color: rgba(250, 249, 246, 0.7);
  transform: translateY(-2px);
}

/* --- Section Base --- */
.section {
  padding: var(--space-2xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-subtitle {
  max-width: 580px;
  margin: var(--space-sm) auto 0;
  font-size: 1rem;
  color: var(--color-text-light);
  font-style: italic;
  line-height: 1.65;
}

/* --- About Section --- */
.about {
  background: var(--color-bg);
}

.about-centered {
  max-width: 720px;
  margin: 0 auto var(--space-xl);
  text-align: center;
}

.about-lead {
  font-size: 1.2rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.about-centered p {
  color: var(--color-text-light);
  font-size: 1rem;
  line-height: 1.8;
}

/* Science block */
.science-block {
  max-width: 720px;
  margin: 0 auto;
}

.science-block-inner {
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-accent);
  text-align: left;
}

.science-block-inner .section-label {
  text-align: left;
  margin-bottom: 0.35rem;
}

.science-block-inner h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.science-block-inner p {
  color: var(--color-text-light);
  line-height: 1.8;
  font-size: 1rem;
}

/* --- Quote Band --- */
.quote-band {
  background: var(--color-primary);
  padding: var(--space-lg) 0;
}

.hero-quote {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

.hero-quote p {
  font-family: var(--font-heading);
  font-size: clamp(1.15rem, 2.5vw, 1.5rem);
  font-style: italic;
  font-weight: 400;
  color: rgba(250, 249, 246, 0.92);
  line-height: 1.65;
  margin-bottom: var(--space-xs);
}

.hero-quote cite {
  display: block;
  font-style: normal;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
}

/* --- Program Section (Three Pillars) --- */
.program {
  background: var(--color-bg-alt);
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

.pillar-card {
  padding: var(--space-lg);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px var(--color-card-shadow);
}

.pillar-number {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.08;
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  pointer-events: none;
  user-select: none;
}

.pillar-icon {
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.pillar-card h3 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.pillar-card > p {
  font-size: 0.92rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.pillar-benefits {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.pillar-benefits li {
  font-size: 0.875rem;
  color: var(--color-text);
  padding-left: 1.4rem;
  position: relative;
  line-height: 1.5;
}

.pillar-benefits li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
  top: 0.1em;
}

/* --- Details at a Glance Section --- */
.details {
  background: var(--color-bg);
}

.glance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
}

.glance-item {
  padding: var(--space-lg);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.glance-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px var(--color-card-shadow);
}

.glance-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
  line-height: 1;
}

.glance-item h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}

.glance-item p {
  font-size: 0.92rem;
  color: var(--color-text-light);
  line-height: 1.65;
}

.glance-divider {
  display: block;
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0.2rem 0;
}

.glance-note {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-top: 0.3rem;
  font-style: italic;
  opacity: 0.75;
}

/* Testimonials styles removed — section no longer used in this version */

/* --- Pricing Section --- */
.pricing {
  background:
    linear-gradient(
      135deg,
      #1a2e0a 0%,
      #2d5016 50%,
      #1a2e0a 100%
    );
  color: var(--color-text-inverse);
}

.pricing .section-label {
  color: var(--color-accent);
}

.pricing .section-header h2 {
  color: var(--color-text-inverse);
}

.pricing-card-wrapper {
  display: flex;
  justify-content: center;
}

.pricing-card {
  max-width: 420px;
  width: 100%;
  padding: var(--space-xl);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  text-align: center;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.pricing-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: var(--color-accent);
  color: var(--color-bg-dark);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.25rem;
  margin-bottom: var(--space-xs);
}

.pricing-currency {
  font-size: 1.2rem;
  font-weight: 600;
  opacity: 0.8;
  letter-spacing: 0.04em;
  align-self: flex-end;
  margin-bottom: 0.6rem;
}

.pricing-value {
  font-family: var(--font-heading);
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1;
}

.pricing-note {
  font-size: 0.9rem;
  opacity: 0.7;
  margin-bottom: var(--space-lg);
}

.pricing-features {
  text-align: left;
  margin-bottom: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pricing-features li {
  font-size: 0.95rem;
  padding-left: 1.75rem;
  position: relative;
  opacity: 0.9;
}

.pricing-features li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.pricing-commitment {
  font-size: 0.8rem;
  opacity: 0.5;
  margin-top: var(--space-sm);
}

/* --- Contact Section --- */
.contact {
  background: var(--color-bg-alt);
}

/* Two-column: form | aside */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-xl);
  align-items: start;
}

/* ── Contact Form ── */
.contact-form-wrapper {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.contact-form-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

/* Side-by-side row for name + email on wide screens */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-sm);
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.4rem;
  letter-spacing: 0.01em;
}

.form-required {
  color: var(--color-accent-dark);
  margin-left: 2px;
}

.form-optional {
  font-weight: 400;
  color: var(--color-text-light);
  font-size: 0.78rem;
  margin-left: 6px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 1px 7px;
  letter-spacing: 0.01em;
  vertical-align: middle;
}

.form-group input,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.9rem;
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-light);
  opacity: 0.55;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 80, 22, 0.1);
  background: #fff;
}

.form-group input[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] {
  border-color: #c0392b;
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.08);
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
  line-height: 1.6;
}

/* Inline field validation message */
.form-error {
  font-size: 0.78rem;
  color: #c0392b;
  margin-top: 0.3rem;
  min-height: 1.1em;
  display: none;
}

.form-error.is-visible {
  display: block;
}

/* ── Phone input group (dial code + number side by side) ── */
.phone-input-group {
  display: flex;
  flex-direction: row;
  gap: 0.5rem;
  align-items: center;
}

.phone-dial-wrapper {
  flex-shrink: 0;
}

.phone-dial-select {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 2rem 0.65rem 0.75rem;
  cursor: pointer;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236b6b66' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}

.phone-dial-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 80, 22, 0.1);
  background-color: #fff;
}

/* Number input takes remaining space — override the 100% width from .form-group input */
.phone-input-group input[type="tel"] {
  flex: 1 1 auto;
  min-width: 0;
  width: auto;
}

/* Submit button loading state */
.btn-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0, 0, 0, 0.2);
  border-top-color: var(--color-bg-dark);
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
  margin-left: 0.5rem;
  flex-shrink: 0;
}

.btn.is-loading .btn-label {
  opacity: 0.6;
}

.btn.is-loading .btn-spinner {
  display: inline-block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Form status banners */
.form-status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: var(--space-sm);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
}

.form-status--success {
  background: rgba(45, 80, 22, 0.08);
  color: var(--color-primary-dark);
  border: 1px solid rgba(45, 80, 22, 0.2);
}

.form-status--error {
  background: rgba(192, 57, 43, 0.06);
  color: #922b21;
  border: 1px solid rgba(192, 57, 43, 0.2);
}

/* ── Contact Aside ── */
.contact-aside {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-aside-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.contact-aside-note {
  padding: var(--space-sm);
  background: rgba(45, 80, 22, 0.05);
  border-radius: var(--radius-sm);
}

.contact-aside-note p {
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.6;
  text-align: center;
}

/* WhatsApp card */
.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px var(--color-card-shadow);
}

.contact-card--featured {
  border: 2px solid var(--color-primary);
}

.contact-card--featured:hover {
  box-shadow: 0 16px 40px rgba(45, 80, 22, 0.14);
}

.contact-icon {
  width: 52px;
  height: 52px;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.contact-card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

.contact-card p {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-light);
}

.contact-cta-label {
  display: inline-block;
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(250, 249, 246, 0.7);
  padding: var(--space-xl) 0 var(--space-md);
}

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

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-inverse);
  margin-bottom: 0.25rem;
}

.footer-tagline {
  font-size: 0.85rem;
  opacity: 0.6;
}

.footer-links h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-sm);
}

.footer-links a {
  display: block;
  font-size: 0.9rem;
  padding: 0.25rem 0;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.footer-links a:hover {
  opacity: 1;
}


.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  opacity: 0.5;
}

.footer-bottom a:hover {
  opacity: 0.8;
}

/* --- Safari fix 3: Flexbox `gap` requires Safari 14.1+.
   CSS Grid `gap` works from Safari 10.1 — only flex containers need fallback.
   These margin rules apply only when gap is unsupported. --------------------*/
@supports not (gap: 1px) {
  /* Desktop nav items */
  .nav-links > li + li        { margin-left: 2rem; }

  /* Hero dual CTA buttons */
  .hero-cta-group > * + *     { margin-left: var(--space-sm); }

  /* Pillar benefit list items */
  .pillar-benefits > li + li  { margin-top: 0.55rem; }

  /* Pricing feature list items */
  .pricing-features > li + li { margin-top: 0.75rem; }

  /* Form status icon + text */
  .form-status > * + *        { margin-left: 0.6rem; }
}

/* ── reCAPTCHA ── */

/* Hide the floating badge — disclosure text in the form satisfies Google's requirement */
.grecaptcha-badge {
  visibility: hidden !important;
}

/* Disclosure notice below the submit button */
.recaptcha-notice {
  font-size: 0.73rem;
  color: var(--color-text-light);
  text-align: center;
  margin-top: 0.6rem;
  line-height: 1.5;
  opacity: 0.75;
}

.recaptcha-notice a {
  color: var(--color-text-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.recaptcha-notice a:hover {
  color: var(--color-primary);
}

/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Focus Styles (Accessibility) --- */
*:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* --- Responsive Design --- */

/* Mobile */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--header-height) + 2rem) 2rem 2rem;
    background: var(--color-bg);
    border-left: 1px solid var(--color-border);
    gap: 0;
    transition: right var(--transition-base);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.08);
    overflow-y: auto;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 0.75rem 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-cta {
    text-align: center;
    margin-top: var(--space-sm);
    border-bottom: none !important;
  }

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

  .hero {
    min-height: 90vh;
  }

  .hero-cta-group {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .hero-cta-group .btn {
    width: 100%;
    max-width: 280px;
  }

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

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

  .science-block-inner {
    padding: var(--space-md);
  }

  /* Contact: stack form above WhatsApp card */
  .contact-layout {
    grid-template-columns: 1fr;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-xs);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 3rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

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

  .pricing-value {
    font-size: 3.5rem;
  }

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