/* =============================================================
   DeflektAI v2 — AI FAQ + Lead Capture
   Art Direction: Modern, approachable, distinct from SiteLiftHQ/PageCraft
   Palette: Warm white + indigo/violet accent (NOT teal/cyan/green)
   Typography: Switzer (body) + Plus Jakarta Sans (display)
   Layout: Centered hero, horizontal steps, alternating sections
   ============================================================= */

:root {
  /* 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-3xl:  clamp(2.5rem,   1rem    + 4vw,    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;
  --space-32: 8rem;

  /* Fonts */
  --font-body: 'Switzer', 'Inter', sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Switzer', sans-serif;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-full: 9999px;

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

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1120px;
}

/* ---- LIGHT MODE ---- */
:root, [data-theme="light"] {
  --color-bg:             #fafaf8;
  --color-surface:        #ffffff;
  --color-surface-2:      #f4f3f0;
  --color-surface-offset: #eeecea;
  --color-divider:        #e2dfdb;
  --color-border:         #d0cdc8;

  --color-text:           #1c1917;
  --color-text-muted:     #6b6560;
  --color-text-faint:     #a39e99;

  --color-primary:        #5b4cd4;
  --color-primary-hover:  #4a3cb8;
  --color-primary-active: #3d30a0;
  --color-primary-bg:     #f0eefb;
  --color-primary-text:   #ffffff;

  --color-accent-warm:    #e8734a;

  --color-error:          #c0392b;
  --color-success:        #2d8a4e;

  --shadow-xs: 0 1px 2px rgba(28,25,23,0.04);
  --shadow-sm: 0 1px 3px rgba(28,25,23,0.06), 0 1px 2px rgba(28,25,23,0.04);
  --shadow-md: 0 4px 12px rgba(28,25,23,0.07);
  --shadow-lg: 0 12px 32px rgba(28,25,23,0.1);
}

/* ---- DARK MODE ---- */
[data-theme="dark"] {
  --color-bg:             #141211;
  --color-surface:        #1c1a18;
  --color-surface-2:      #232120;
  --color-surface-offset: #2a2826;
  --color-divider:        #333130;
  --color-border:         #413f3d;

  --color-text:           #e8e5e1;
  --color-text-muted:     #9b9691;
  --color-text-faint:     #6b6762;

  --color-primary:        #8b7ff0;
  --color-primary-hover:  #9d93f5;
  --color-primary-active: #7a6de0;
  --color-primary-bg:     #1e1a2e;
  --color-primary-text:   #ffffff;

  --color-accent-warm:    #f09070;

  --color-error:          #e57373;
  --color-success:        #66bb6a;

  --shadow-xs: 0 1px 2px rgba(0,0,0,0.15);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #141211;
    --color-surface:        #1c1a18;
    --color-surface-2:      #232120;
    --color-surface-offset: #2a2826;
    --color-divider:        #333130;
    --color-border:         #413f3d;
    --color-text:           #e8e5e1;
    --color-text-muted:     #9b9691;
    --color-text-faint:     #6b6762;
    --color-primary:        #8b7ff0;
    --color-primary-hover:  #9d93f5;
    --color-primary-active: #7a6de0;
    --color-primary-bg:     #1e1a2e;
    --color-primary-text:   #ffffff;
    --color-accent-warm:    #f09070;
    --color-error:          #e57373;
    --color-success:        #66bb6a;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.15);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.4);
  }
}

/* =============================================================
   GLOBAL
   ============================================================= */

.container {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: var(--space-6);
}

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

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

/* =============================================================
   BUTTONS
   ============================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  border-radius: var(--radius-full);
  padding: var(--space-3) var(--space-6);
  transition: all var(--transition-interactive);
  white-space: nowrap;
  border: 1.5px solid transparent;
}

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

.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}

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

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

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

/* =============================================================
   HEADER
   ============================================================= */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.header--scrolled {
  border-bottom-color: var(--color-divider);
  box-shadow: var(--shadow-xs);
}

.header__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.header__logo svg { display: inline-block; }

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.header__nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
}

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

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

.header__actions button[data-theme-toggle] {
  color: var(--color-text-muted);
  padding: var(--space-2);
  border-radius: var(--radius-md);
}

.header__actions button[data-theme-toggle]:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.header__mobile-toggle {
  display: none;
  color: var(--color-text);
  padding: var(--space-2);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background: var(--color-bg);
  padding: calc(var(--space-16) + var(--space-8)) var(--space-6) var(--space-6);
}

.mobile-nav.active {
  display: block;
}

.mobile-nav nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.mobile-nav a {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
}

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

  .header__mobile-toggle {
    display: flex;
  }
}

/* =============================================================
   HERO — Centered, no stats bar (different from old left-aligned)
   ============================================================= */

.hero {
  padding: clamp(var(--space-16), 10vw, var(--space-32)) var(--space-6);
  padding-bottom: clamp(var(--space-12), 8vw, var(--space-20));
  max-width: var(--content-wide);
  margin: 0 auto;
  text-align: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-bg);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.hero__badge svg {
  display: inline-block;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  line-height: 1.05;
  max-width: 20ch;
  margin-inline: auto;
  letter-spacing: -0.02em;
}

.hero__title .highlight {
  color: var(--color-primary);
}

.hero__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 48ch;
  margin: 0 auto var(--space-8);
  line-height: 1.7;
}

.hero__ctas {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

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

/* =============================================================
   SOCIAL PROOF BAR
   ============================================================= */

.proof-bar {
  padding: var(--space-10) 0;
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

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

.proof-bar__stat {
  text-align: center;
}

.proof-bar__number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.proof-bar__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* =============================================================
   HOW IT WORKS — Horizontal 3-step (not 4-column cards)
   ============================================================= */

.how-it-works {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) 0;
  background: var(--color-surface-2);
}

.how-it-works .section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 48ch;
  margin: var(--space-4) auto 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  position: relative;
}

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

.step__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  position: relative;
  z-index: 1;
}

.step__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.step__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 28ch;
  margin-inline: auto;
}

@media (max-width: 640px) {
  .steps {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

/* =============================================================
   BENEFITS — Alternating icon rows (not 3-col card grid)
   ============================================================= */

.benefits {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) 0;
}

.benefits .section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.benefits__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  max-width: var(--content-default);
  margin: 0 auto;
}

.benefit-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  padding: var(--space-6) var(--space-8);
  border-radius: var(--radius-2xl);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.benefit-row:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.benefit-row__icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.benefit-row__content {
  flex: 1;
}

.benefit-row__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

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

@media (max-width: 640px) {
  .benefit-row {
    padding: var(--space-5) var(--space-5);
  }
}

/* =============================================================
   PRICING — Single tier, centered (not 3-col)
   ============================================================= */

.pricing {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) 0;
  background: var(--color-surface-2);
}

.pricing .section-header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.pricing__card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.pricing__card-header {
  margin-bottom: var(--space-6);
}

.pricing__card-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.pricing__card-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.pricing__card-price {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}

.pricing__amount {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

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

.pricing__setup {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-2);
}

.pricing__features {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  text-align: left;
}

.pricing__features li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-6);
  position: relative;
  line-height: 1.5;
}

.pricing__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 600;
}

.pricing__card .btn {
  width: 100%;
}

.pricing__note {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-6);
  max-width: 48ch;
  margin-inline: auto;
}

/* =============================================================
   FAQ — Left-aligned title + accordion (different layout)
   ============================================================= */

.faq {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) 0;
}

.faq__layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-12);
  align-items: start;
}

.faq__header {
  position: sticky;
  top: 6rem;
}

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

.faq__item {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq__question {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.faq__question::-webkit-details-marker { display: none; }

.faq__question::after {
  content: '+';
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: transform var(--transition-interactive);
}

.faq__item[open] .faq__question::after {
  content: '−';
}

.faq__answer {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: 0 var(--space-6) var(--space-5);
  line-height: 1.7;
  max-width: none;
}

@media (max-width: 768px) {
  .faq__layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .faq__header {
    position: static;
  }
}

/* =============================================================
   CTA SECTION
   ============================================================= */

.cta-section {
  padding: clamp(var(--space-16), 10vw, var(--space-32)) var(--space-6);
  text-align: center;
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-divider);
}

.cta-section__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.cta-section__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 48ch;
  margin: 0 auto var(--space-8);
  line-height: 1.7;
}

.cta-section__note {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
}

.cta-section__note a {
  color: var(--color-primary);
  text-decoration: none;
}

.cta-section__note a:hover {
  text-decoration: underline;
}

/* =============================================================
   FOOTER
   ============================================================= */

.footer {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-8) 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-text);
}

.footer__brand svg { display: inline-block; }

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

.footer__links {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  justify-content: center;
}

.footer__links a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
}

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

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

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

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

.footer__credit a {
  color: var(--color-text-muted);
  text-decoration: none;
}

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

/* =============================================================
   SCROLL REVEAL
   ============================================================= */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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