/* ============================================================
   TechSites A.I. — Landing Page
   Custom CSS — Dark Theme
   ============================================================ */

/* ─── Design Tokens ─── */
:root {
  /* Colors */
  --bg-primary:    #0f172a;
  --bg-secondary:  #1e293b;
  --bg-card:       #1e293b;
  --bg-card-hover: #263348;
  --text-primary:  #f1f5f9;
  --text-muted:    #94a3b8;
  --text-faint:    #475569;
  --accent-blue:   #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-green:  #10b981;
  --accent-red:    #ef4444;
  --border:        rgba(148, 163, 184, 0.12);
  --border-hover:  rgba(148, 163, 184, 0.25);
  --gradient:      linear-gradient(135deg, #3b82f6, #8b5cf6);
  --gradient-text: linear-gradient(135deg, #60a5fa, #a78bfa);

  /* 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;

  /* Radii */
  --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(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.6);
  --shadow-blue: 0 8px 32px rgba(59,130,246,0.25);
  --shadow-purple: 0 8px 32px rgba(139,92,246,0.25);

  /* Layout */
  --content-narrow: 640px;
  --content-default: 1000px;
  --content-wide: 1200px;

  /* Transition */
  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);

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

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.65;
  min-height: 100dvh;
  overflow-x: hidden;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  text-wrap: balance;
}

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

a { color: inherit; text-decoration: none; }

button, input, select, textarea { font: inherit; color: inherit; }

button { cursor: pointer; background: none; border: none; }

::selection { background: rgba(59,130,246,0.3); }

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

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

/* ─── Utilities ─── */
.container {
  width: 100%;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-10));
}

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

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-blue);
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: var(--text-base);
  color: var(--text-muted);
  max-width: 56ch;
  line-height: 1.7;
}

/* ─── Scroll Animations ─── */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s var(--transition), transform 0.6s var(--transition);
}

.animate-on-scroll.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }
.animate-on-scroll.delay-5 { transition-delay: 0.5s; }

/* ─── Buttons ─── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--gradient);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-blue);
  white-space: nowrap;
}

.btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(59,130,246,0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  white-space: nowrap;
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
}

.btn-outline-blue {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: transparent;
  color: var(--accent-blue);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  border: 1px solid rgba(59,130,246,0.4);
  transition: all var(--transition);
}

.btn-outline-blue:hover {
  background: rgba(59,130,246,0.1);
  border-color: var(--accent-blue);
}

/* ─── Navigation ─── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.nav--scrolled {
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: var(--space-8);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.nav__logo-mark {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  color: #fff;
  flex-shrink: 0;
}

.nav__logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--text-primary);
}

.nav__logo-sub {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 400;
  display: block;
  line-height: 1;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav__links a {
  font-size: var(--text-sm);
  color: #cbd5e1;
  transition: color var(--transition);
  font-weight: 500;
}

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

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

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav__mobile {
  display: none;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: var(--space-4) 0;
}

.nav__mobile.open { display: block; }

.nav__mobile-links {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.nav__mobile-links li a {
  display: block;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  color: var(--text-muted);
  transition: color var(--transition);
}

.nav__mobile-links li a:hover { color: var(--text-primary); }

.nav__mobile-cta {
  padding: var(--space-4) var(--space-6);
  display: flex;
  gap: var(--space-3);
  flex-direction: column;
}

@media (max-width: 900px) {
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
}

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: calc(100svh - 68px);
  display: flex;
  align-items: center;
  padding-block: clamp(var(--space-16), 12vw, var(--space-24));
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero__glow-1 {
  position: absolute;
  top: -20%;
  left: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(59,130,246,0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.hero__glow-2 {
  position: absolute;
  top: 10%;
  right: -10%;
  width: 50%;
  height: 70%;
  background: radial-gradient(ellipse, rgba(139,92,246,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.25);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: #60a5fa;
  margin-bottom: var(--space-8);
  letter-spacing: 0.03em;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

.hero__heading {
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-6);
  color: var(--text-primary);
}

.hero__sub {
  font-size: var(--text-lg);
  color: #b8c5d6;
  margin-bottom: var(--space-10);
  line-height: 1.65;
  max-width: 52ch;
}

.hero__cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.hero__cta-group .btn-primary { font-size: var(--text-base); padding: var(--space-4) var(--space-8); }
.hero__cta-group .btn-secondary { font-size: var(--text-base); padding: var(--space-4) var(--space-8); }

.hero__proof {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: fit-content;
}

.hero__stars { color: #fbbf24; font-size: var(--text-sm); letter-spacing: 1px; }

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

.hero__proof-text strong { color: var(--text-primary); }

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: var(--space-8);
  margin-top: var(--space-16);
  padding-top: var(--space-10);
  border-top: 1px solid var(--border);
}

.hero__metric-value {
  font-size: var(--text-2xl);
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-1);
}

.hero__metric-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 500;
}

/* ─── Who it's for ─── */
.who-its-for {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.who-its-for__header { text-align: center; margin-bottom: var(--space-16); }

.who-its-for__header .section-subtitle { margin-inline: auto; }

.niches-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.niche-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.niche-card:hover {
  border-color: rgba(59,130,246,0.3);
  background: rgba(59,130,246,0.04);
  transform: translateY(-3px);
}

.niche-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: var(--space-5);
  flex-shrink: 0;
}

.niche-card__title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.niche-card__desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 100%;
}

/* ─── How It Works ─── */
.how-it-works {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
  background: var(--bg-secondary);
}

.how-it-works__header { text-align: center; margin-bottom: var(--space-16); }
.how-it-works__header .section-subtitle { margin-inline: auto; }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 44px;
  left: calc(16.66% + var(--space-8));
  right: calc(16.66% + var(--space-8));
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  opacity: 0.3;
}

.step {
  padding: var(--space-8);
  text-align: center;
  position: relative;
}

.step__number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  font-weight: 800;
  color: #fff;
  margin: 0 auto var(--space-6);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-blue);
}

.step__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.step__desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 26ch;
  margin-inline: auto;
}

.how-it-works__cta {
  text-align: center;
  margin-top: var(--space-12);
}

/* ─── Portfolio ─── */
.portfolio {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
  background: var(--bg-primary);
}

.portfolio__header { text-align: center; margin-bottom: var(--space-16); }
.portfolio__header .section-subtitle { margin-inline: auto; }

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

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg);
}

.portfolio-card__preview {
  height: 200px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-card__browser {
  width: 90%;
  height: 150px;
  background: #0f172a;
  border-radius: 8px 8px 0 0;
  border: 1px solid rgba(255,255,255,0.1);
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.portfolio-card__browser-bar {
  height: 24px;
  background: #1e293b;
  display: flex;
  align-items: center;
  padding: 0 10px;
  gap: 5px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.portfolio-card__browser-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.portfolio-card__browser-content {
  padding: 10px;
  height: calc(100% - 24px);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.portfolio-card__info { padding: var(--space-6); }

.portfolio-card__niche {
  font-size: var(--text-xs);
  color: var(--accent-blue);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.portfolio-card__name {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.portfolio-card__result {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--accent-green);
  font-weight: 600;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

/* ─── Pricing ─── */
.pricing {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.pricing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 50%;
  background: radial-gradient(ellipse, rgba(139,92,246,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.pricing__header { text-align: center; margin-bottom: var(--space-16); }
.pricing__header .section-subtitle { margin-inline: auto; }

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

.pricing-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
}

.pricing-card:hover { transform: translateY(-4px); }

.pricing-card--featured {
  background: linear-gradient(135deg, rgba(59,130,246,0.08) 0%, rgba(139,92,246,0.08) 100%);
  border-color: rgba(139,92,246,0.4);
  box-shadow: var(--shadow-purple);
  transform: scale(1.02);
}

.pricing-card--featured:hover { transform: scale(1.02) translateY(-4px); }

.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-card__header { border-bottom: 1px solid var(--border); padding-bottom: var(--space-6); }

.pricing-card__name {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.pricing-card__amount {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

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

.pricing-card__setup {
  font-size: var(--text-xs);
  color: var(--text-faint);
  margin-top: var(--space-1);
}

.pricing-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.pricing-card__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: 100%;
}

.pricing-card__features li::before {
  content: '';
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.3);
  flex-shrink: 0;
  margin-top: 1px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2310b981' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: 11px;
  background-position: center;
  background-repeat: no-repeat;
}

.pricing-card__cta { margin-top: auto; }

.pricing-card__cta .btn-primary,
.pricing-card__cta .btn-secondary {
  width: 100%;
  justify-content: center;
  font-size: var(--text-base);
  padding: var(--space-4);
}

.pricing__note {
  text-align: center;
  margin-top: var(--space-10);
  padding: var(--space-5);
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.pricing__note strong { color: var(--text-primary); }

.pricing__faq-note {
  text-align: center;
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--text-faint);
}

.pricing__faq-note strong { color: var(--text-muted); }

/* ─── Testimonials ─── */
.testimonials {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
  background: var(--bg-primary);
}

.testimonials__header { text-align: center; margin-bottom: var(--space-16); }
.testimonials__header .section-subtitle { margin-inline: auto; }

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

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transition: transform var(--transition), border-color var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-hover);
}

.testimonial-card__stars { color: #fbbf24; font-size: var(--text-sm); letter-spacing: 1px; }

.testimonial-card__quote {
  font-size: var(--text-base);
  color: var(--text-primary);
  line-height: 1.7;
  font-style: italic;
  flex: 1;
}

.testimonial-card__quote::before { content: '"'; color: var(--accent-blue); font-size: var(--text-xl); line-height: 0; vertical-align: -0.4em; margin-right: var(--space-1); }

.testimonial-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: var(--space-4);
}

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

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
  color: #fff;
  flex-shrink: 0;
}

.testimonial-card__name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
}

.testimonial-card__company {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.testimonial-card__plan {
  font-size: var(--text-xs);
  color: var(--accent-purple);
  background: rgba(139,92,246,0.1);
  border: 1px solid rgba(139,92,246,0.2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-weight: 600;
}

/* ─── FAQ ─── */
.faq {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
  background: var(--bg-secondary);
}

.faq__header { text-align: center; margin-bottom: var(--space-16); }
.faq__header .section-subtitle { margin-inline: auto; }

.faq__list {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item.open { border-color: rgba(59,130,246,0.3); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: color var(--transition);
}

.faq-question:hover { color: #60a5fa; }

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 400;
  color: var(--accent-blue);
  flex-shrink: 0;
  transition: background var(--transition), transform var(--transition);
  line-height: 1;
}

.faq-item.open .faq-icon { background: rgba(59,130,246,0.2); transform: rotate(45deg); }

.faq-answer {
  display: none;
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.75;
  border-top: 1px solid var(--border);
  padding-top: var(--space-4);
}

.faq-item.open .faq-answer { display: block; }

/* ─── CTA / Lead Form ─── */
.audit-cta {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.audit-cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(59,130,246,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.audit-cta__inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin-inline: auto;
  text-align: center;
}

.audit-cta__inner .section-title { font-size: var(--text-2xl); }

.audit-cta__inner .section-subtitle { margin-inline: auto; margin-bottom: var(--space-10); }

.lead-form {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-align: left;
}

.lead-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-field { display: flex; flex-direction: column; gap: var(--space-2); }

.form-field label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-field input,
.form-field select,
.form-field textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-primary);
  transition: border-color var(--transition), background var(--transition);
  width: 100%;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  background: rgba(59,130,246,0.05);
}

.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--text-faint); }

.form-field select { appearance: none; cursor: pointer; }

.form-field select option { background: var(--bg-secondary); }

.lead-form__submit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.lead-form__submit .btn-primary {
  width: 100%;
  justify-content: center;
  font-size: var(--text-base);
  padding: var(--space-4);
}

.lead-form__privacy {
  font-size: var(--text-xs);
  color: var(--text-faint);
  text-align: center;
}

.success-state {
  display: none;
  text-align: center;
  padding: var(--space-12);
}

.success-state__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(16,185,129,0.15);
  border: 2px solid rgba(16,185,129,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto var(--space-5);
}

.success-state__title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.success-state__text {
  font-size: var(--text-base);
  color: var(--text-muted);
  max-width: 40ch;
  margin-inline: auto;
}

/* ─── Footer ─── */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding-block: clamp(var(--space-12), 6vw, var(--space-16));
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-12);
  align-items: start;
  margin-bottom: var(--space-8);
}

.footer__brand .nav__logo {
  margin-bottom: var(--space-4);
}

.footer__brand-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: 30ch;
  line-height: 1.7;
}

.footer__nav-title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin-bottom: var(--space-4);
}

.footer__nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

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

.footer__nav-links a:hover { color: var(--text-primary); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: var(--space-4);
}

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

.footer__email {
  font-size: var(--text-xs);
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer__email:hover { color: var(--accent-blue); }

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .niches-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid::before { display: none; }
  .steps-grid { grid-template-columns: 1fr; }
  .step { padding: var(--space-6); }
  .portfolio-grid { grid-template-columns: 1fr; max-width: 440px; margin-inline: auto; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 440px; margin-inline: auto; }
  .pricing-card--featured { transform: none; }
  .pricing-card--featured:hover { transform: translateY(-4px); }
  .testimonials-grid { grid-template-columns: 1fr; max-width: 500px; margin-inline: auto; }
  .footer__inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero__metrics { grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
}

@media (max-width: 600px) {
  .niches-grid { grid-template-columns: 1fr; }
  .hero__cta-group { flex-direction: column; align-items: flex-start; }
  .hero__cta-group .btn-primary,
  .hero__cta-group .btn-secondary { width: 100%; justify-content: center; }
  .hero__metrics { grid-template-columns: 1fr; gap: var(--space-4); }
  .lead-form__row { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .hero__proof { flex-wrap: wrap; }
}