/* ============================================================
   JUSTIN GRATTO — VIRTUAL CISO
   Design: Dark & Precise | Cabinet Grotesk + Satoshi
   ============================================================ */

/* ─── DESIGN TOKENS ─────────────────────────────────────────── */
: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;

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

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

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

/* ─── DARK THEME (DEFAULT) ───────────────────────────────────── */
:root, [data-theme="dark"] {
  --color-bg:             #080c14;
  --color-surface:        #0d1220;
  --color-surface-2:      #111827;
  --color-surface-offset: #151e2e;
  --color-border:         #1e2a40;
  --color-divider:        #172032;

  --color-text:           #e2e8f4;
  --color-text-muted:     #7a8aaa;
  --color-text-faint:     #3a4a66;
  --color-text-inverse:   #0a0e18;

  --color-primary:        #3b82f6;
  --color-primary-hover:  #2563eb;
  --color-primary-active: #1d4ed8;
  --color-primary-glow:   rgba(59, 130, 246, 0.18);
  --color-primary-border: rgba(59, 130, 246, 0.3);

  --color-accent:         #06b6d4;
  --color-success:        #22c55e;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.12);

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

/* ─── LIGHT THEME ────────────────────────────────────────────── */
[data-theme="light"] {
  --color-bg:             #f8fafc;
  --color-surface:        #ffffff;
  --color-surface-2:      #f1f5f9;
  --color-surface-offset: #e8edf5;
  --color-border:         #cbd5e1;
  --color-divider:        #e2e8f0;

  --color-text:           #0f172a;
  --color-text-muted:     #475569;
  --color-text-faint:     #94a3b8;
  --color-text-inverse:   #ffffff;

  --color-primary:        #2563eb;
  --color-primary-hover:  #1d4ed8;
  --color-primary-active: #1e40af;
  --color-primary-glow:   rgba(37, 99, 235, 0.12);
  --color-primary-border: rgba(37, 99, 235, 0.25);

  --color-accent:         #0891b2;
  --color-success:        #16a34a;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #080c14;
    --color-surface:        #0d1220;
    --color-surface-2:      #111827;
    --color-surface-offset: #151e2e;
    --color-border:         #1e2a40;
    --color-divider:        #172032;
    --color-text:           #e2e8f4;
    --color-text-muted:     #7a8aaa;
    --color-text-faint:     #3a4a66;
    --color-text-inverse:   #0a0e18;
    --color-primary:        #3b82f6;
    --color-primary-hover:  #2563eb;
    --color-primary-active: #1d4ed8;
    --color-primary-glow:   rgba(59, 130, 246, 0.18);
    --color-primary-border: rgba(59, 130, 246, 0.3);
    --color-accent:         #06b6d4;
    --color-success:        #22c55e;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.12);
  }
}

/* ─── 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: var(--space-20);
}

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

img, picture, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.15; }
p, li { text-wrap: pretty; max-width: 72ch; }

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

a, button, [role="button"], input, textarea, select {
  transition: color var(--transition), background var(--transition),
    border-color var(--transition), box-shadow var(--transition), opacity var(--transition);
}

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

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

/* ─── LAYOUT UTILITIES ───────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-16));
}

/* ─── BUTTONS ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  padding: 0.6rem 1.25rem;
  cursor: pointer;
  border: 1.5px solid transparent;
  white-space: nowrap;
}
.btn--sm {
  font-size: var(--text-xs);
  padding: 0.45rem 1rem;
}
.btn--lg {
  font-size: var(--text-base);
  padding: 0.8rem 1.75rem;
}
.btn--full { width: 100%; justify-content: center; }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--color-primary-glow);
}
.btn--primary:active { transform: translateY(0); }

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

/* ─── SECTION LABELS & HEADINGS ──────────────────────────────── */
.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: var(--space-5);
}

.section-body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 60ch;
}

.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-5);
}

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

/* ─── NAV ────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition),
    backdrop-filter var(--transition);
}
.nav--scrolled {
  background: color-mix(in srgb, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-4) clamp(var(--space-4), 5vw, var(--space-16));
  max-width: var(--content-wide);
  margin-inline: auto;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
  color: var(--color-text);
}
.nav__name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.nav__links {
  display: flex;
  gap: var(--space-8);
  margin-left: auto;
}
.nav__links a {
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}
.nav__links a:hover { color: var(--color-text); }

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

.btn-theme {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  border: 1.5px solid var(--color-border);
}
.btn-theme:hover { color: var(--color-text); border-color: var(--color-primary-border); }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  margin-left: auto;
  border-radius: var(--radius-sm);
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-muted);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav__hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.is-open span:nth-child(2) { opacity: 0; }
.nav__hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__mobile {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) clamp(var(--space-4), 5vw, var(--space-16));
  border-top: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-bg) 96%, transparent);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.3s, opacity 0.3s;
}
.nav__mobile.is-open {
  max-height: 400px;
  opacity: 1;
}
.nav__mobile a {
  text-decoration: none;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-2) 0;
}
.nav__mobile a:hover { color: var(--color-text); }
.nav__mobile .btn { margin-top: var(--space-2); align-self: flex-start; }

/* ─── HERO ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-block: clamp(var(--space-20), 12vw, var(--space-32));
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.45;
}
[data-theme="light"] .hero__bg img { opacity: 0.15; }

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    color-mix(in srgb, var(--color-bg) 20%, transparent) 0%,
    color-mix(in srgb, var(--color-bg) 60%, transparent) 60%,
    var(--color-bg) 100%
  );
}

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

.hero__headline {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.hero__sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 56ch;
  line-height: 1.6;
  margin-bottom: var(--space-10);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}
.trust-item svg { color: var(--color-success); flex-shrink: 0; }

/* ─── PROBLEM ────────────────────────────────────────────────── */
.problem {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.problem__grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-16);
  align-items: start;
}

.problem__label {
  padding-top: var(--space-2);
}

.problem__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.problem__card {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.problem__card:hover { border-color: var(--color-primary-border); }

.problem__card-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-glow);
  border: 1px solid var(--color-primary-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.problem__card h3 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}
.problem__card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ─── SERVICES ───────────────────────────────────────────────── */
.services {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

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

.service-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.service-card:hover {
  border-color: var(--color-primary-border);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.service-card--featured {
  border-color: var(--color-primary-border);
  background: color-mix(in srgb, var(--color-surface) 95%, var(--color-primary));
}
[data-theme="light"] .service-card--featured {
  background: color-mix(in srgb, var(--color-surface) 97%, var(--color-primary));
}

.service-card__icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-glow);
  border: 1px solid var(--color-primary-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.25;
}
.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-5);
}

.service-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.service-card__list li {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding-left: var(--space-4);
  position: relative;
}
.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.6;
}

/* ─── AI SERVICE CARD VARIANTS ──────────────────────────────── */
.service-card--ai {
  border-color: color-mix(in srgb, var(--color-accent) 30%, transparent);
  background: color-mix(in srgb, var(--color-surface) 97%, var(--color-accent));
}
.service-card--ai:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 40px color-mix(in srgb, var(--color-accent) 10%, transparent);
}
.service-card__icon--ai {
  background: color-mix(in srgb, var(--color-accent) 15%, transparent);
  border-color: color-mix(in srgb, var(--color-accent) 30%, transparent);
  color: var(--color-accent);
}
.service-card__badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.75rem;
  margin-bottom: var(--space-4);
}

.service-card--cta {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--color-primary) 15%, var(--color-surface)),
    color-mix(in srgb, var(--color-accent) 8%, var(--color-surface))
  );
  border-color: var(--color-primary-border);
}

.service-card__cta-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.service-card--cta h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.service-card--cta p {
  margin-bottom: var(--space-6);
}

/* ─── HOW IT WORKS ───────────────────────────────────────────── */
.how-it-works {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

.steps::before {
  content: '';
  position: absolute;
  top: 2.2rem;
  left: 4rem;
  right: 4rem;
  height: 1px;
  background: linear-gradient(to right,
    var(--color-primary) 0%,
    var(--color-accent) 50%,
    var(--color-primary) 100%
  );
  opacity: 0.3;
  pointer-events: none;
}

.step {
  padding: var(--space-8) var(--space-6);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  position: relative;
}
.step:hover { border-color: var(--color-primary-border); }

.step__number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 800;
  color: var(--color-primary);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: var(--space-4);
  letter-spacing: -0.04em;
}

.step__content h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.step__content p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-5);
}

.step__items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.step__items li {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding-left: var(--space-5);
  position: relative;
}
.step__items li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.5;
}

/* ─── WHO I HELP ─────────────────────────────────────────────── */
.who {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.who__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.who__card {
  padding: var(--space-10) var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.who__card:hover {
  border-color: var(--color-primary-border);
  box-shadow: var(--shadow-glow);
}

.who__card-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-inverse);
  background: var(--color-primary);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.75rem;
  margin-bottom: var(--space-5);
}
.who__card-tag--ai {
  background: var(--color-accent);
}
[data-theme="light"] .who__card-tag--ai {
  background: var(--color-accent);
  color: #fff;
}

.who__card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.3;
}
.who__card > p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-8);
}

.who__signals {
  padding: var(--space-5);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.who__signals-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  max-width: none;
}
.who__signals ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.who__signals li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-5);
  position: relative;
}
.who__signals li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.6;
}

/* ─── PRICING ───────────────────────────────────────────────── */
.pricing {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
  background: var(--color-bg);
}
.pricing__intro {
  max-width: 52ch;
  margin-inline: auto;
  text-align: center;
  margin-top: var(--space-4);
}
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}
@media (max-width: 900px) {
  .pricing__grid { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
}

/* Pricing card base */
.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}
.pricing-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 40px color-mix(in srgb, var(--color-primary) 10%, transparent);
}

/* AI card variant */
.pricing-card--ai {
  border-color: color-mix(in srgb, var(--color-accent) 30%, transparent);
  background: color-mix(in srgb, var(--color-surface) 97%, var(--color-accent));
}
.pricing-card--ai:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 40px color-mix(in srgb, var(--color-accent) 10%, transparent);
}

/* Featured highlight ring */
.pricing-card--featured {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-accent) 40%, transparent),
              0 8px 32px color-mix(in srgb, var(--color-accent) 8%, transparent);
}

.pricing-card__badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.75rem;
  width: fit-content;
}
.pricing-card__label {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  line-height: 1;
}
.pricing-card__from {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-right: var(--space-1);
}
.pricing-card__amount {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.pricing-card__period {
  font-size: var(--text-base);
  color: var(--color-text-muted);
}
.pricing-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}
.pricing-card__features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}
.pricing-card__features li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding-left: var(--space-6);
  position: relative;
}
.pricing-card__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 14px;
  height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2.5'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}
.pricing-card--ai .pricing-card__features li::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2306b6d4' stroke-width='2.5'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
}
.pricing-card .btn {
  margin-top: auto;
  width: 100%;
  text-align: center;
}
.pricing__note {
  margin-top: var(--space-8);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.pricing__note a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ─── ABOUT ──────────────────────────────────────────────────── */
.about {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about__grid {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: var(--space-20);
  align-items: center;
}

.about__visual {
  position: relative;
}

.about__portrait-wrapper {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 3 / 4;
  background: var(--color-surface-2);
}
.about__portrait {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about__credentials {
  margin-top: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.credential {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
}
.credential__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.about__content .section-label { margin-bottom: var(--space-4); }

.about__body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}
.about__body:last-of-type { margin-bottom: var(--space-8); }

/* ─── CONTACT ────────────────────────────────────────────────── */
.contact {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: start;
}

.contact__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.contact .section-body { margin-bottom: var(--space-8); }

.contact__promise {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.contact__promise li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.contact__promise svg { color: var(--color-success); flex-shrink: 0; margin-top: 2px; }

/* Form */
.contact__form-wrapper {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.form-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-group input,
.form-group textarea {
  background: var(--color-surface-2);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.65rem var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-faint);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
  outline: none;
}

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

.contact__success {
  text-align: center;
  padding: var(--space-12) var(--space-8);
}
.success-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-success) 15%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-success) 30%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-success);
  margin: 0 auto var(--space-6);
}
.contact__success h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.contact__success p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 40ch;
  margin-inline: auto;
}

/* ─── FOOTER ─────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-12);
  background: var(--color-surface);
}

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

.footer__brand {
  margin-right: auto;
}
.footer__tagline {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  max-width: none;
}

.footer__links {
  display: flex;
  gap: var(--space-8);
}
.footer__links a {
  text-decoration: none;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer__links a:hover { color: var(--color-text); }

.footer__copy {
  width: 100%;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

/* ─── SCROLL ANIMATIONS ──────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.service-card:nth-child(2) { transition-delay: 0.08s; }
.service-card:nth-child(3) { transition-delay: 0.16s; }
.service-card:nth-child(4) { transition-delay: 0.08s; }
.service-card:nth-child(5) { transition-delay: 0.16s; }
.service-card:nth-child(6) { transition-delay: 0.24s; }
.step:nth-child(2) { transition-delay: 0.1s; }
.step:nth-child(3) { transition-delay: 0.2s; }
.who__card:nth-child(2) { transition-delay: 0.1s; }

/* ─── RESPONSIVE ─────────────────────────────────────────────── */

/* Tablet */
@media (max-width: 1024px) {
  .problem__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  .about__portrait-wrapper { max-width: 380px; }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .steps::before { display: none; }
}

/* Mobile */
@media (max-width: 768px) {
  .nav__links, .nav__actions .btn { display: none; }
  .nav__hamburger { display: flex; }
  .nav__actions { gap: var(--space-2); }
  .nav__actions .btn-theme { display: flex; }

  .hero__headline { letter-spacing: -0.01em; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .hero__trust { gap: var(--space-4); }

  .problem__cards { grid-template-columns: 1fr; }
  .services__grid { grid-template-columns: 1fr; }
  .who__grid { grid-template-columns: 1fr; }
  .contact__inner { grid-template-columns: 1fr; gap: var(--space-10); }

  .footer__inner { flex-direction: column; align-items: flex-start; gap: var(--space-4); }
  .footer__links { flex-wrap: wrap; gap: var(--space-4); }
  .footer__brand { margin-right: 0; }
}

@media (max-width: 480px) {
  .about__credentials { display: none; }
}