/* ==========================================================================
   Clarity CRO — style.css
   Premium clinical diagnostic firm. Dark navy + Steel Blue.
   Instrument Sans + DM Sans. Glassmorphism + glow + scroll reveal.
   ========================================================================== */

/* ---------- Custom Properties ---------- */
:root {
  /* Primary (Navy) */
  --primary-900: hsl(220, 45%, 10%);
  --primary-800: hsl(220, 45%, 15%);
  --primary-700: hsl(220, 45%, 20%);
  --primary-600: hsl(220, 45%, 28%);
  --primary-500: hsl(220, 45%, 35%);
  --primary-400: hsl(220, 40%, 45%);
  --primary-300: hsl(220, 35%, 55%);
  --primary-200: hsl(220, 30%, 72%);
  --primary-100: hsl(220, 25%, 88%);
  --primary-50:  hsl(220, 25%, 96%);

  /* Accent (Steel Blue) */
  --accent-700: hsl(210, 50%, 35%);
  --accent-600: hsl(210, 50%, 45%);
  --accent-500: hsl(210, 50%, 55%);
  --accent-400: hsl(210, 48%, 62%);
  --accent-300: hsl(210, 45%, 72%);
  --accent-200: hsl(210, 40%, 82%);
  --accent-100: hsl(210, 35%, 92%);
  --accent-50:  hsl(210, 40%, 97%);

  /* Grey (Cool-tinted) */
  --grey-900: hsl(215, 15%, 15%);
  --grey-800: hsl(215, 12%, 25%);
  --grey-700: hsl(215, 10%, 35%);
  --grey-600: hsl(215, 10%, 45%);
  --grey-500: hsl(215, 10%, 55%);
  --grey-400: hsl(215, 10%, 68%);
  --grey-300: hsl(215, 12%, 80%);
  --grey-200: hsl(215, 14%, 90%);
  --grey-100: hsl(215, 15%, 95%);
  --grey-50:  hsl(215, 15%, 98%);

  /* Semantic */
  --color-bg:         #ffffff;
  --color-bg-alt:     var(--grey-100);
  --color-text:       var(--grey-900);
  --color-text-muted: var(--grey-600);
  --color-border:     var(--grey-300);
  --color-error:      hsl(0, 70%, 55%);
  --color-error-bg:   hsl(0, 70%, 97%);
  --color-success:    hsl(145, 50%, 38%);

  /* Type Scale (1.25 ratio, 18px base) */
  --text-xs:   0.75rem;   /* 12px */
  --text-sm:   0.875rem;  /* 14px */
  --text-base: 1.125rem;  /* 18px */
  --text-lg:   1.25rem;   /* 20px */
  --text-xl:   1.5rem;    /* 24px */
  --text-2xl:  2rem;      /* 32px */
  --text-3xl:  2.5rem;    /* 40px */
  --text-4xl:  3rem;      /* 48px */
  --text-5xl:  3.5rem;    /* 56px */

  /* Spacing Scale (8px grid) */
  --space-1:  0.5rem;    /* 8px */
  --space-2:  1rem;      /* 16px */
  --space-3:  1.5rem;    /* 24px */
  --space-4:  2rem;      /* 32px */
  --space-5:  2.5rem;    /* 40px */
  --space-6:  3rem;      /* 48px */
  --space-7:  3.5rem;    /* 56px */
  --space-8:  4rem;      /* 64px */
  --space-10: 5rem;      /* 80px */
  --space-12: 6rem;      /* 96px */
  --space-16: 8rem;      /* 128px */

  /* Layout */
  --max-width:   1100px;
  --content-max: 65ch;
  --radius:      2px;
  --radius-lg:   6px;

  /* Shadows (3-level scale) */
  --shadow-sm: 0 1px 2px hsla(220, 45%, 10%, 0.05), 0 1px 3px hsla(220, 45%, 10%, 0.08);
  --shadow-md: 0 4px 6px hsla(220, 45%, 10%, 0.06), 0 2px 4px hsla(220, 45%, 10%, 0.04);
  --shadow-lg: 0 10px 25px hsla(220, 45%, 10%, 0.08), 0 4px 10px hsla(220, 45%, 10%, 0.05);

  /* Glow */
  --glow-accent: 0 4px 24px hsla(210, 50%, 55%, 0.2);
  --glow-accent-intense: 0 4px 32px hsla(210, 50%, 55%, 0.35);
}

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

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

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--accent-600);
  text-decoration: none;
}

a:hover {
  color: var(--accent-700);
  text-decoration: underline;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--primary-700);
}

h1 { font-size: clamp(2.25rem, 5vw + 1rem, 4rem); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p {
  max-width: var(--content-max);
}

/* ---------- Layout ---------- */
.grove-container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.grove-section {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
  position: relative;
  overflow: hidden;
}

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

/* ---------- Scroll Reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Stagger delays for children */
[data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal-delay="2"] { transition-delay: 0.2s; }
[data-reveal-delay="3"] { transition-delay: 0.3s; }
[data-reveal-delay="4"] { transition-delay: 0.4s; }
[data-reveal-delay="5"] { transition-delay: 0.5s; }

/* ---------- Gradient Dividers ---------- */
.section-divider {
  height: 1px;
  border: none;
  background: linear-gradient(90deg, transparent, var(--accent-300), transparent);
  max-width: 200px;
  margin: 0 auto;
}

/* ---------- Buttons ---------- */
.diagnostic-button {
  display: inline-block;
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  color: #ffffff;
  background-color: var(--accent-500);
  border: 2px solid var(--accent-500);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-4);
  min-height: 48px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
  box-shadow: var(--glow-accent);
  position: relative;
}

.diagnostic-button:hover {
  background-color: var(--accent-600);
  border-color: var(--accent-600);
  text-decoration: none;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--glow-accent-intense);
}

.diagnostic-button:active {
  background-color: var(--accent-700);
  border-color: var(--accent-700);
  transform: translateY(0) scale(0.98);
  box-shadow: var(--glow-accent);
}

.diagnostic-button-outline {
  color: var(--accent-500);
  background-color: transparent;
  border: 2px solid var(--accent-500);
  box-shadow: none;
}

.diagnostic-button-outline:hover {
  background-color: var(--accent-500);
  color: #ffffff;
  box-shadow: var(--glow-accent);
}

/* ---------- Section Transition Hooks ---------- */
.section-transition {
  text-align: center;
  padding: var(--space-5) var(--space-4);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--primary-400);
  max-width: var(--content-max);
  margin: 0 auto;
}

/* ---------- Section Rule (gradient version) ---------- */
.section-rule {
  height: 1px;
  border: none;
  background: linear-gradient(90deg, transparent, var(--accent-300), transparent);
  max-width: 200px;
  margin: var(--space-4) auto;
}

/* ==========================================================================
   1. HERO — Dark navy with ambient glow blobs and dot-grid
   ========================================================================== */
.diagnostic-hero {
  text-align: center;
  padding: var(--space-16) var(--space-4) var(--space-10);
  background-color: var(--primary-800);
  position: relative;
  overflow: hidden;
}

/* Ambient glow blob — top right */
.diagnostic-hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, hsla(210, 50%, 55%, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

/* Ambient glow blob — bottom left */
.diagnostic-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, hsla(220, 50%, 45%, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

/* Dot-grid overlay with radial fade */
.hero-dot-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, hsla(210, 50%, 70%, 0.15) 1px, transparent 1px);
  background-size: 32px 32px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  pointer-events: none;
}

.diagnostic-hero .grove-container {
  position: relative;
  z-index: 1;
}

.diagnostic-hero h1 {
  max-width: 800px;
  margin: 0 auto var(--space-3);
  letter-spacing: -0.03em;
  color: #ffffff;
  background: linear-gradient(180deg, hsla(0, 0%, 100%, 1) 30%, hsla(0, 0%, 100%, 0.65) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.diagnostic-hero-sub {
  max-width: var(--content-max);
  margin: 0 auto var(--space-5);
  font-size: var(--text-lg);
  color: hsla(210, 30%, 80%, 0.8);
  line-height: 1.6;
}

.diagnostic-hero .diagnostic-button {
  box-shadow: 0 4px 32px hsla(210, 50%, 55%, 0.35), 0 0 0 1px hsla(210, 50%, 55%, 0.1);
}

.diagnostic-hero .diagnostic-button:hover {
  box-shadow: 0 8px 40px hsla(210, 50%, 55%, 0.5), 0 0 0 1px hsla(210, 50%, 55%, 0.2);
}

/* ==========================================================================
   2. STAKES — Warm-tinted urgent background
   ========================================================================== */
.stakes-section {
  background-color: hsl(0, 40%, 98%);
  position: relative;
}

/* Subtle decorative circle */
.stakes-section::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -80px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: hsla(0, 40%, 60%, 0.04);
  pointer-events: none;
}

.stakes-content {
  max-width: var(--content-max);
  margin: 0 auto;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--grey-800);
}

/* ==========================================================================
   3. VALUE PROP — Cool brand-50 tint
   ========================================================================== */
.value-prop-section {
  background-color: var(--accent-50);
  position: relative;
}

/* Decorative circle */
.value-prop-section::before {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -60px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: hsla(210, 50%, 55%, 0.05);
  pointer-events: none;
}

.value-prop-heading {
  text-align: center;
  margin-bottom: var(--space-6);
}

.audit-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.audit-card {
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  background: hsla(0, 0%, 100%, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--accent-500);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
  position: relative;
}

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

.audit-card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  background-color: var(--primary-700);
  color: #ffffff;
  font-weight: 700;
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
}

.audit-card h3 {
  margin-bottom: var(--space-1);
  color: var(--primary-700);
}

.audit-card p {
  color: var(--grey-700);
  font-size: var(--text-base);
  line-height: 1.6;
}

/* ==========================================================================
   4. ABOUT — Clean white
   ========================================================================== */
.about-section {
  background-color: #ffffff;
}

.about-content {
  max-width: var(--content-max);
  margin: 0 auto;
}

.about-content h2 {
  margin-bottom: var(--space-4);
}

.about-text {
  color: var(--grey-800);
  line-height: 1.7;
}

/* ==========================================================================
   5. PROCESS — Light grey with dot pattern
   ========================================================================== */
.process-section {
  background-color: var(--grey-50);
  position: relative;
}

/* Subtle dot pattern overlay */
.process-dot-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--grey-300) 0.8px, transparent 0.8px);
  background-size: 24px 24px;
  opacity: 0.4;
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 10%, transparent 70%);
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 10%, transparent 70%);
  pointer-events: none;
}

.process-section .grove-container {
  position: relative;
  z-index: 1;
}

.process-heading {
  text-align: center;
  margin-bottom: var(--space-6);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  max-width: 960px;
  margin: 0 auto;
}

.process-step {
  text-align: center;
  padding: var(--space-4) var(--space-3);
  background: hsla(0, 0%, 100%, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

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

.process-step-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  border: 2px solid var(--accent-500);
  margin-bottom: var(--space-3);
  background: hsla(210, 50%, 55%, 0.05);
}

.process-step-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--accent-500);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.process-step-number {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-1);
}

.process-step h3 {
  margin-bottom: var(--space-1);
}

.process-step p {
  color: var(--grey-700);
  font-size: var(--text-base);
  line-height: 1.6;
  margin: 0 auto;
}

/* ==========================================================================
   6. PROOF — White with accent left-border on testimonials
   ========================================================================== */
.proof-section {
  background-color: #ffffff;
  position: relative;
}

/* Decorative circle */
.proof-section::after {
  content: '';
  position: absolute;
  top: 20%;
  right: -60px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: hsla(210, 50%, 55%, 0.04);
  pointer-events: none;
}

.proof-heading {
  text-align: center;
  margin-bottom: var(--space-6);
}

.proof-narratives {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.proof-narrative {
  border-left: 4px solid var(--accent-500);
  padding: var(--space-4);
  background-color: var(--grey-50);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

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

.proof-narrative p {
  color: var(--grey-800);
  line-height: 1.7;
  font-size: var(--text-base);
}

.proof-result {
  display: block;
  margin-top: var(--space-2);
  font-weight: 600;
  color: var(--primary-700);
}

.proof-testimonial {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--grey-200);
  font-style: italic;
  font-size: var(--text-base);
  color: var(--grey-700);
  line-height: 1.6;
}

.proof-testimonial cite {
  display: block;
  margin-top: var(--space-1);
  font-style: normal;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--primary-600);
}

/* ==========================================================================
   7. LEAD MAGNET — Cool brand tint
   ========================================================================== */
.lead-magnet-section {
  background-color: var(--accent-50);
  position: relative;
}

.lead-magnet-section::before {
  content: '';
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: hsla(210, 50%, 55%, 0.04);
  pointer-events: none;
}

.lead-magnet-content {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.lead-magnet-content h2 {
  margin-bottom: var(--space-3);
}

.lead-magnet-text {
  color: var(--grey-700);
  margin: 0 auto var(--space-5);
  line-height: 1.7;
}

.lead-magnet-form {
  display: flex;
  gap: var(--space-2);
  max-width: 480px;
  margin: 0 auto;
}

.lead-magnet-form .form-input {
  flex: 1;
}

/* ==========================================================================
   8. FINAL CTA — Dark navy (bookend with hero)
   ========================================================================== */
.final-cta-section {
  background-color: var(--primary-800);
  color: #ffffff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Ambient glow for bookend effect */
.final-cta-section::before {
  content: '';
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, hsla(210, 50%, 55%, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.final-cta-section .grove-container {
  position: relative;
  z-index: 1;
}

.final-cta-section h2 {
  color: #ffffff;
  margin-bottom: var(--space-4);
}

.final-cta-loss {
  font-size: var(--text-base);
  color: hsla(0, 0%, 100%, 0.7);
  max-width: var(--content-max);
  margin: 0 auto var(--space-5);
  font-style: italic;
}

.final-cta-form {
  max-width: 520px;
  margin: 0 auto var(--space-3);
}

.final-cta-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.final-cta-form .form-row-full {
  margin-bottom: var(--space-3);
}

.final-cta-reassurance {
  font-size: var(--text-sm);
  color: hsla(0, 0%, 100%, 0.6);
  margin-top: var(--space-2);
}

.final-cta-section .diagnostic-button {
  background-color: var(--accent-500);
  border-color: var(--accent-500);
  width: 100%;
  box-shadow: 0 4px 32px hsla(210, 50%, 55%, 0.35);
}

.final-cta-section .diagnostic-button:hover {
  background-color: var(--accent-400);
  border-color: var(--accent-400);
  box-shadow: 0 8px 40px hsla(210, 50%, 55%, 0.5);
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-input {
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-base);
  line-height: 1.4;
  color: var(--color-text);
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-1) var(--space-2);
  min-height: 48px;
  width: 100%;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input::placeholder {
  color: var(--grey-400);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-500);
  box-shadow: 0 0 0 3px hsla(210, 50%, 55%, 0.2);
}

.form-input-error {
  border-color: var(--color-error);
}

.form-input-error:focus {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px hsla(0, 70%, 55%, 0.2);
}

.form-error-message {
  font-size: var(--text-sm);
  color: var(--color-error);
  margin-top: 4px;
  display: none;
}

.form-field {
  position: relative;
}

.form-field.has-error .form-error-message {
  display: block;
}

.form-success {
  display: none;
  padding: var(--space-3);
  text-align: center;
  font-size: var(--text-base);
}

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

.final-cta-section .form-success {
  color: hsla(0, 0%, 100%, 0.9);
}

/* Dark section form inputs */
.final-cta-section .form-input {
  background-color: hsla(0, 0%, 100%, 0.08);
  border-color: hsla(0, 0%, 100%, 0.15);
  color: #ffffff;
}

.final-cta-section .form-input::placeholder {
  color: hsla(0, 0%, 100%, 0.4);
}

.final-cta-section .form-input:focus {
  border-color: var(--accent-400);
  box-shadow: 0 0 0 3px hsla(210, 50%, 55%, 0.25);
  background-color: hsla(0, 0%, 100%, 0.12);
}

/* ==========================================================================
   9. FOOTER — Darkest shade
   ========================================================================== */
.grove-footer {
  background-color: var(--primary-900);
  color: var(--grey-400);
  padding: var(--space-6) var(--space-4);
  font-size: var(--text-sm);
  border-top: 1px solid hsla(220, 45%, 20%, 0.5);
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
}

.footer-brand {
  font-weight: 700;
  color: var(--grey-200);
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
  letter-spacing: -0.02em;
}

.footer-details {
  line-height: 1.8;
}

.footer-links a {
  color: var(--grey-400);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-copyright {
  text-align: right;
  line-height: 1.8;
}

/* ==========================================================================
   Sticky Mobile CTA Bar
   ========================================================================== */
.sticky-cta-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 60px;
  background-color: hsla(220, 45%, 12%, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-2);
  box-shadow: 0 -2px 12px hsla(220, 45%, 10%, 0.25);
}

.sticky-cta-bar .diagnostic-button {
  font-size: var(--text-sm);
  padding: var(--space-1) var(--space-3);
  min-height: 44px;
  flex: 1;
  max-width: 360px;
}

.sticky-cta-dismiss {
  position: absolute;
  top: 4px;
  right: 8px;
  background: none;
  border: none;
  color: hsla(0, 0%, 100%, 0.6);
  font-size: var(--text-lg);
  cursor: pointer;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: color 0.2s ease;
}

.sticky-cta-dismiss:hover {
  color: #ffffff;
}

/* ==========================================================================
   Responsive: Tablet
   ========================================================================== */
@media (max-width: 1100px) {
  .grove-container {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }
}

@media (max-width: 768px) {
  /* Show sticky CTA */
  .sticky-cta-bar {
    display: flex;
  }

  .sticky-cta-bar.is-hidden {
    display: none;
  }

  /* Add bottom padding so content isn't hidden behind sticky bar */
  body {
    padding-bottom: 60px;
  }

  /* Section spacing */
  .grove-section {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }

  .diagnostic-hero {
    padding-top: var(--space-10);
    padding-bottom: var(--space-6);
  }

  /* Reduce glow blob sizes on mobile */
  .diagnostic-hero::before {
    width: 300px;
    height: 300px;
  }

  .diagnostic-hero::after {
    width: 250px;
    height: 250px;
  }

  /* Cards stack */
  .audit-cards {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .process-steps {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .proof-narratives {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  /* CTA buttons full-width */
  .diagnostic-button {
    display: block;
    width: calc(100% - var(--space-4));
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  /* Lead magnet form stacks */
  .lead-magnet-form {
    flex-direction: column;
  }

  .lead-magnet-form .diagnostic-button {
    width: 100%;
  }

  /* Final CTA form stacks */
  .final-cta-form .form-row {
    grid-template-columns: 1fr;
  }

  /* Footer stacks */
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: var(--space-3);
  }

  .footer-copyright {
    text-align: center;
  }
}

/* ==========================================================================
   Responsive: Small Mobile (375px)
   ========================================================================== */
@media (max-width: 480px) {
  body {
    font-size: 1rem;
  }

  .grove-section {
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
  }

  .diagnostic-hero {
    padding-top: var(--space-8);
    padding-bottom: var(--space-5);
  }

  .diagnostic-hero-sub {
    font-size: var(--text-base);
  }

  /* Further reduce glow blobs */
  .diagnostic-hero::before {
    width: 200px;
    height: 200px;
    opacity: 0.8;
  }

  .diagnostic-hero::after {
    width: 160px;
    height: 160px;
    opacity: 0.8;
  }

  /* Simplify glassmorphism on low-end devices */
  .audit-card,
  .process-step {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: #ffffff;
  }

  .section-transition {
    font-size: var(--text-base);
    padding: var(--space-3) var(--space-2);
  }

  .grove-container {
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }
}

/* Real photo */
.about-headshot {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent-500, hsl(210, 50%, 55%));
  box-shadow: 0 4px 16px hsla(210, 50%, 55%, 0.15);
  margin-bottom: var(--space-4, 24px);
}
@media (max-width: 768px) { .about-headshot { width: 120px; height: 120px; } }