/* ===================================
   BABY BUTT FAN — styles.css
   Palette: Warm off-white + Sage Green
   Fonts: Cabinet Grotesk + Satoshi
   =================================== */

/* --- DESIGN TOKENS --- */
:root,
[data-theme='light'] {
  /* Surfaces */
  --color-bg: #FAFAF8;
  --color-surface: #F4F1EC;
  --color-surface-2: #ECEAE4;
  --color-border: #E0DDD6;
  --color-divider: #D8D4CC;

  /* Text */
  --color-text: #1C1917;
  --color-text-muted: #78716C;
  --color-text-faint: #A8A29E;
  --color-text-inverse: #FAFAF8;

  /* Accent — Sage Green */
  --color-primary: #4A7C5F;
  --color-primary-hover: #3A6048;
  --color-primary-active: #2D4D39;
  --color-primary-highlight: #D6E8DC;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(28, 25, 23, 0.06);
  --shadow-md: 0 4px 16px rgba(28, 25, 23, 0.08);
  --shadow-lg: 0 12px 40px rgba(28, 25, 23, 0.1);

  /* Type scale */
  --text-xs:   clamp(0.75rem,  0.7rem + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem + 0.75vw,   1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem + 2.5vw,  3.5rem);
  --text-hero: clamp(3rem,     1rem + 6vw,      6.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body:    'Satoshi', 'Inter', sans-serif;

  /* Content widths */
  --content-default: 1120px;
  --content-narrow: 720px;

  /* Transition */
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme='dark'] {
  --color-bg: #141210;
  --color-surface: #1A1916;
  --color-surface-2: #211F1C;
  --color-border: #2E2C28;
  --color-divider: #252320;
  --color-text: #E8E5DF;
  --color-text-muted: #8A8680;
  --color-text-faint: #5A5754;
  --color-text-inverse: #141210;
  --color-primary: #6AAE87;
  --color-primary-hover: #4F9270;
  --color-primary-active: #3A7558;
  --color-primary-highlight: #1E3329;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #141210;
    --color-surface: #1A1916;
    --color-surface-2: #211F1C;
    --color-border: #2E2C28;
    --color-divider: #252320;
    --color-text: #E8E5DF;
    --color-text-muted: #8A8680;
    --color-text-faint: #5A5754;
    --color-text-inverse: #141210;
    --color-primary: #6AAE87;
    --color-primary-hover: #4F9270;
    --color-primary-active: #3A7558;
    --color-primary-highlight: #1E3329;
  }
}

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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.3s, color 0.3s;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

ul[role='list'], ol[role='list'] { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  line-height: 1.1;
  font-family: var(--font-display);
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: 68ch;
}

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

a:hover { opacity: 0.75; }

button {
  cursor: pointer;
  background: none;
  border: none;
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

::selection {
  background: color-mix(in oklab, var(--color-primary) 25%, transparent);
  color: var(--color-text);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --- UTILITY CLASSES --- */
.container {
  width: 100%;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-16));
}

.section-eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  letter-spacing: -0.03em;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: clamp(var(--space-12), 6vw, var(--space-20));
}

.body-text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--radius-full);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), 
              border-color var(--transition), box-shadow var(--transition),
              transform var(--transition);
  white-space: nowrap;
}

.btn:hover { opacity: 1; }

.btn-primary {
  background: var(--color-text);
  color: var(--color-bg);
  border: 2px solid var(--color-text);
}
.btn-primary:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-text);
  transform: translateY(-1px);
}

.btn-sm  { padding: var(--space-2) var(--space-5);  font-size: var(--text-sm); }
.btn-lg  { padding: var(--space-4) var(--space-8);  font-size: var(--text-base); }

/* --- NAV --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition), background 0.3s;
}

.nav--scrolled {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  max-width: var(--content-default);
  margin-inline: auto;
  padding: var(--space-4) clamp(var(--space-5), 5vw, var(--space-16));
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}
.logo:hover { opacity: 1; }

.logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-sm);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}
.nav-links a:hover { color: var(--color-text); opacity: 1; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: color var(--transition), background var(--transition);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

/* --- HERO --- */
.hero {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  overflow: hidden;
}

.hero-inner {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-16));
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
}

.hero-content {
  max-width: 560px;
}

.hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--color-text);
  margin-bottom: var(--space-8);
}

.hero-sub {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 46ch;
  margin-bottom: var(--space-8);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.hero-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  max-width: 440px;
  width: 100%;
  background: var(--color-surface);
}

.hero-image-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

/* subtle gradient overlay at bottom of hero image */
.hero-image-wrap::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 30%;
  background: linear-gradient(to top, color-mix(in oklab, var(--color-surface) 30%, transparent), transparent);
  pointer-events: none;
}

/* --- TRUST BAR --- */
.trust-bar {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-6);
}

.trust-list {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-8) var(--space-12);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.trust-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* --- PROBLEM / SOLUTION --- */
.problem {
  padding-block: clamp(var(--space-16), 9vw, var(--space-24));
}

.problem-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: clamp(var(--space-10), 7vw, var(--space-20));
}

.problem-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.problem-image img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.problem-content {
  max-width: 500px;
}

.stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* --- HOW IT WORKS --- */
.how-it-works {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: clamp(var(--space-16), 9vw, var(--space-24));
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: var(--space-8);
}

.step {
  text-align: center;
}

.step-number {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 900;
  color: var(--color-primary-highlight);
  line-height: 1;
  margin-bottom: var(--space-4);
  letter-spacing: -0.05em;
  transition: color 0.3s;
}

.step:hover .step-number {
  color: var(--color-primary);
}

.step-title {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.step-body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 26ch;
  margin-inline: auto;
}

.step-divider {
  display: flex;
  align-items: flex-start;
  padding-top: var(--space-12);
  color: var(--color-text-faint);
}

/* --- FEATURES --- */
.features {
  padding-block: clamp(var(--space-16), 9vw, var(--space-24));
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

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

.feature-icon {
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}

.feature-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.feature-body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: none;
}

/* --- PRODUCT BREAK (FULL BLEED) --- */
.product-break {
  overflow: hidden;
}

.product-break-inner {
  max-height: 520px;
  overflow: hidden;
}

.product-break-inner img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: center 40%;
}

/* --- REVIEWS --- */
.reviews {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: clamp(var(--space-16), 9vw, var(--space-24));
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.review-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.review-stars {
  color: #DAA520;
  font-size: var(--text-sm);
  letter-spacing: 2px;
}

.review-text {
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  font-style: italic;
  flex: 1;
  max-width: none;
}

.review-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.review-name {
  display: block;
  font-weight: 600;
  font-size: var(--text-sm);
  font-style: normal;
}

.review-meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: none;
}

/* --- BUY --- */
.buy {
  padding-block: clamp(var(--space-16), 9vw, var(--space-24));
}

.buy-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(var(--space-10), 7vw, var(--space-20));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.buy-image {
  height: 100%;
  min-height: 480px;
}

.buy-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.buy-content {
  padding: var(--space-12) var(--space-12) var(--space-12) 0;
  max-width: 440px;
}

.price-display {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.price {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--color-text);
}

.price-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.buy-perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.buy-perks li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: none;
}

.buy-perks li svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.buy-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.buy-btn {
  flex: 1 1 auto;
  justify-content: center;
  min-width: 160px;
}

.buy-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: none;
}

.buy-note a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- FAQ --- */
.faq {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-block: clamp(var(--space-16), 9vw, var(--space-24));
}

.faq-container {
  max-width: var(--content-narrow);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.faq-item:last-child { border-bottom: none; }
.faq-item--open { background: var(--color-surface); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-8);
  font-size: var(--text-base);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition);
}

.faq-question:hover { background: var(--color-surface-2); }

.faq-icon {
  flex-shrink: 0;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  color: var(--color-text-muted);
}

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

.faq-answer {
  padding: 0 var(--space-8) var(--space-6);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.faq-answer p { max-width: none; }

/* --- FOOTER --- */
.footer {
  background: var(--color-text);
  color: var(--color-bg);
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-logo {
  color: var(--color-bg);
}
.footer-logo .logo-text { color: var(--color-bg); }
.footer-logo:hover { opacity: 0.75; }

.footer-tagline {
  font-size: var(--text-sm);
  color: color-mix(in oklab, var(--color-bg) 50%, transparent);
  max-width: none;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-8);
}

.footer-links a {
  font-size: var(--text-sm);
  color: color-mix(in oklab, var(--color-bg) 65%, transparent);
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--color-bg);
  opacity: 1;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid color-mix(in oklab, var(--color-bg) 15%, transparent);
}

.footer-copy {
  font-size: var(--text-xs);
  color: color-mix(in oklab, var(--color-bg) 40%, transparent);
  max-width: none;
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  font-size: var(--text-xs);
  color: color-mix(in oklab, var(--color-bg) 40%, transparent);
  transition: color var(--transition);
}
.footer-legal a:hover {
  color: var(--color-bg);
  opacity: 1;
}

/* --- HERO PRICE BADGE --- */
.hero-price-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

/* --- COMING SOON BADGE --- */
.coming-soon-badge {
  margin-bottom: var(--space-4);
}

.coming-soon-text {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
}

/* --- NOTIFY FORM --- */
.notify-form {
  margin-bottom: var(--space-5);
}

.notify-input-row {
  display: flex;
  gap: var(--space-3);
}

.notify-input {
  flex: 1;
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-base);
  font-family: var(--font-body);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition);
  min-width: 0;
}

.notify-input:focus {
  border-color: var(--color-primary);
  outline: none;
}

.notify-input::placeholder {
  color: var(--color-text-faint);
}

.notify-btn {
  flex-shrink: 0;
}

.notify-success {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--space-4);
  max-width: none;
}

/* --- SCROLL REVEAL --- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delay for grid items */
.features-grid .feature-card:nth-child(2) { transition-delay: 0.07s; }
.features-grid .feature-card:nth-child(3) { transition-delay: 0.14s; }
.features-grid .feature-card:nth-child(4) { transition-delay: 0.07s; }
.features-grid .feature-card:nth-child(5) { transition-delay: 0.14s; }
.features-grid .feature-card:nth-child(6) { transition-delay: 0.21s; }
.reviews-grid .review-card:nth-child(2) { transition-delay: 0.1s; }
.reviews-grid .review-card:nth-child(3) { transition-delay: 0.2s; }

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-content {
    max-width: 100%;
    order: 0;
  }

  .hero-image {
    order: 1;
    max-width: 320px;
    margin-inline: auto;
  }

  .hero-headline { font-size: var(--text-2xl); }
  .hero-sub { font-size: var(--text-base); }

  .problem-inner {
    grid-template-columns: 1fr;
  }

  .problem-image img { height: 260px; }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .step-divider {
    display: none;
  }

  .step { text-align: left; }
  .step-body { margin-inline: 0; }

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

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

  .buy-inner {
    grid-template-columns: 1fr;
  }

  .buy-image {
    min-height: 280px;
    max-height: 280px;
  }

  .buy-content {
    padding: var(--space-8) var(--space-8);
  }

  .nav-links { display: none; }
}

@media (max-width: 600px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

  .hero-ctas {
    flex-direction: column;
  }

  .hero-ctas .btn { width: 100%; justify-content: center; }

  .trust-list {
    gap: var(--space-5) var(--space-6);
    justify-content: flex-start;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .notify-input-row { flex-direction: column; }
  .notify-btn { width: 100%; justify-content: center; }

  .faq-question { padding: var(--space-5) var(--space-5); }
  .faq-answer   { padding: 0 var(--space-5) var(--space-5); }
}