/* ========================================================================
   REVSITE.IO — Design Tokens & Component Styles
   Art Direction: Premium consulting firm. Stripe-level polish.
   Palette: Dark navy + white + slate grays + refined blue accent
   ======================================================================== */

/* --- FONTS --- */
/* Instrument Sans (body) from Fontshare, Instrument Serif (display) from Google */

/* --- DESIGN TOKENS --- */
:root {
  /* Type Scale (fluid clamp) */
  --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 (4px base) */
  --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;

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

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 300ms cubic-bezier(0.16, 1, 0.3, 1);

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

  /* Fonts */
  --font-body: 'Instrument Sans', 'Inter', sans-serif;
  --font-display: 'Instrument Serif', 'Georgia', serif;
}

/* ===== LIGHT MODE (default) ===== */
:root, [data-theme="light"] {
  --color-bg: #ffffff;
  --color-surface: #f8fafc;
  --color-surface-2: #f1f5f9;
  --color-surface-offset: #e2e8f0;
  --color-divider: #e2e8f0;
  --color-border: #cbd5e1;
  --color-border-subtle: #e2e8f0;

  --color-text: #0f172a;
  --color-text-secondary: #334155;
  --color-text-muted: #64748b;
  --color-text-faint: #94a3b8;
  --color-text-inverse: #ffffff;

  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-primary-active: #1d4ed8;

  --color-navy: #0f172a;
  --color-navy-light: #1e293b;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.08);

  /* Hero gradient */
  --hero-gradient: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(59,130,246,0.08) 0%, transparent 60%),
                   radial-gradient(ellipse 60% 50% at 80% 20%, rgba(59,130,246,0.05) 0%, transparent 50%);
}

/* ===== DARK MODE ===== */
[data-theme="dark"] {
  --color-bg: #0b0f1a;
  --color-surface: #111827;
  --color-surface-2: #1e293b;
  --color-surface-offset: #1e293b;
  --color-divider: #1e293b;
  --color-border: #334155;
  --color-border-subtle: #1e293b;

  --color-text: #e2e8f0;
  --color-text-secondary: #cbd5e1;
  --color-text-muted: #94a3b8;
  --color-text-faint: #64748b;
  --color-text-inverse: #0f172a;

  --color-primary: #60a5fa;
  --color-primary-hover: #93c5fd;
  --color-primary-active: #3b82f6;

  --color-navy: #e2e8f0;
  --color-navy-light: #cbd5e1;

  --shadow-sm: 0 1px 2px 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);

  --hero-gradient: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(59,130,246,0.12) 0%, transparent 60%),
                   radial-gradient(ellipse 60% 50% at 80% 20%, rgba(59,130,246,0.08) 0%, transparent 50%);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0b0f1a;
    --color-surface: #111827;
    --color-surface-2: #1e293b;
    --color-surface-offset: #1e293b;
    --color-divider: #1e293b;
    --color-border: #334155;
    --color-border-subtle: #1e293b;
    --color-text: #e2e8f0;
    --color-text-secondary: #cbd5e1;
    --color-text-muted: #94a3b8;
    --color-text-faint: #64748b;
    --color-text-inverse: #0f172a;
    --color-primary: #60a5fa;
    --color-primary-hover: #93c5fd;
    --color-primary-active: #3b82f6;
    --color-navy: #e2e8f0;
    --color-navy-light: #cbd5e1;
    --shadow-sm: 0 1px 2px 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);
    --hero-gradient: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(59,130,246,0.12) 0%, transparent 60%),
                     radial-gradient(ellipse 60% 50% at 80% 20%, rgba(59,130,246,0.08) 0%, transparent 50%);
  }
}


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

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

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img, picture, video, canvas, 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, h5, h6 { text-wrap: balance; line-height: 1.15; }
p, li, figcaption { text-wrap: pretty; max-width: 72ch; }

::selection {
  background: rgba(59,130,246, 0.15);
  color: var(--color-text);
}

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button { cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }

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

.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: var(--space-6);
}

@media (min-width: 768px) {
  .container { padding-inline: var(--space-10); }
}

@media (min-width: 1280px) {
  .container { padding-inline: var(--space-16); }
}

.section-padding {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}


/* ===== HEADER / NAV ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg), transparent 8%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-smooth),
              box-shadow var(--transition-smooth);
}

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

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

@media (min-width: 768px) {
  .header__inner { height: 4.5rem; }
}

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

.header__logo-text {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}

.header__nav {
  display: none;
  align-items: center;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .header__nav { display: flex; }
}

.header__nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.01em;
  position: relative;
}

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

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive),
              background var(--transition-interactive);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-6);
  transition: all var(--transition-interactive);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: #ffffff;
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(59,130,246,0.25);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  background: var(--color-surface);
  border-color: var(--color-text-faint);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3);
}

.btn--ghost:hover {
  color: var(--color-text);
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

/* Header CTA hidden on mobile */
.header__cta {
  display: none;
}

@media (min-width: 768px) {
  .header__cta { display: inline-flex; }
}

/* Mobile menu button */
.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  color: var(--color-text);
}

@media (min-width: 1024px) {
  .mobile-menu-btn { display: none; }
}

.mobile-menu-btn svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--color-bg);
  flex-direction: column;
  padding: var(--space-6);
  padding-top: var(--space-20);
}

.mobile-nav.is-open {
  display: flex;
}

.mobile-nav__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-6);
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

.mobile-nav a {
  display: block;
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-divider);
}

.mobile-nav a:last-child {
  border-bottom: none;
}

.mobile-nav .btn {
  margin-top: var(--space-8);
  text-align: center;
  justify-content: center;
}


/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--hero-gradient);
  pointer-events: none;
}

/* Subtle geometric grid pattern */
.hero__grid {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image:
    linear-gradient(var(--color-text) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-text) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 52rem;
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
}

.hero__headline {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--color-text);
  margin-bottom: var(--space-8);
}

.hero__headline em {
  font-style: italic;
  color: var(--color-primary);
}

.hero__subhead {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-text-secondary);
  max-width: 38rem;
  margin-bottom: var(--space-10);
  font-weight: 400;
}

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

.hero__meta {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  letter-spacing: 0.02em;
}

.text-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

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

.text-link svg {
  width: 1rem;
  height: 1rem;
  transition: transform var(--transition-interactive);
}

.text-link:hover svg {
  transform: translateY(2px);
}


/* ===== SECTION HEADERS ===== */
.section-label {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 36rem;
  line-height: 1.7;
}


/* ===== PROBLEM SECTION (The Visibility Gap) ===== */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-12);
}

@media (min-width: 768px) {
  .problem-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }
}

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

.problem-card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
}

.problem-card__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--color-primary), transparent 90%);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  margin-bottom: var(--space-6);
}

.problem-card__title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.problem-card__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.65;
}


/* ===== HOW IT WORKS ===== */
.steps {
  margin-top: var(--space-12);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }
}

.step {
  position: relative;
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
}

.step__number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: color-mix(in srgb, var(--color-primary), transparent 70%);
  line-height: 1;
  margin-bottom: var(--space-6);
}

.step__title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.step__price {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.step__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.65;
}

.step__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.step__list li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  padding: var(--space-2) 0;
  padding-left: 1.25rem;
  position: relative;
}

.step__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-primary), transparent 50%);
}

.step__list li + li {
  border-top: 1px solid var(--color-divider);
}

/* Connector line between steps (desktop) */
@media (min-width: 768px) {
  .step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 3rem;
    right: -1.25rem;
    width: 2.5rem;
    height: 1px;
    background: var(--color-divider);
  }
}


/* ===== AI DISCOVERY ===== */
.ai-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.ai-section__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 768px) {
  .ai-section__layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.ai-mockup {
  background: var(--color-bg);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  font-family: var(--font-body);
}

.ai-mockup__prompt {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}

.ai-mockup__icon {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  flex-shrink: 0;
  margin-top: var(--space-1);
}

.ai-mockup__prompt-text {
  font-size: var(--text-base);
  color: var(--color-text);
  font-weight: 500;
}

.ai-mockup__response {
  padding-left: calc(1.5rem + var(--space-3));
}

.ai-mockup__response p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.ai-mockup__response ol {
  list-style: none;
  counter-reset: ai-list;
  padding: 0;
}

.ai-mockup__response ol li {
  counter-increment: ai-list;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--space-2) 0;
  display: flex;
  gap: var(--space-2);
}

.ai-mockup__response ol li::before {
  content: counter(ai-list) ".";
  font-weight: 600;
  color: var(--color-text-faint);
  min-width: 1.25rem;
}

.ai-mockup__response ol li strong {
  font-weight: 600;
  color: var(--color-text);
}

.ai-content__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-top: var(--space-6);
  max-width: 32rem;
}

.ai-mockup__disclaimer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-style: italic;
  padding-left: calc(1.5rem + var(--space-3));
}

.ai-footnote {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.6;
  font-style: italic;
  max-width: 100%;
}


/* ===== INDUSTRIES ===== */
.industries-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-12);
}

@media (min-width: 640px) {
  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .industries-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

.industry-card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
}

.industry-card__icon {
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: var(--space-6);
  color: var(--color-primary);
  opacity: 0.8;
}

.industry-card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

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


/* ===== WHAT YOU RECEIVE ===== */
.deliverables-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-12);
}

@media (min-width: 640px) {
  .deliverables-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .deliverables-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.deliverable {
  padding: var(--space-6) var(--space-8);
  border-left: 2px solid color-mix(in srgb, var(--color-primary), transparent 70%);
  transition: border-color var(--transition-smooth);
}

.deliverable:hover {
  border-left-color: var(--color-primary);
}

.deliverable__number {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: color-mix(in srgb, var(--color-primary), transparent 60%);
  line-height: 1;
  margin-bottom: var(--space-3);
}

.deliverable__title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

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

.deliverables-note {
  margin-top: var(--space-10);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  font-style: italic;
  text-align: center;
}


/* ===== ABOUT / CREDIBILITY ===== */
.about-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.about-section__layout {
  max-width: var(--content-default);
  margin-inline: auto;
}

.about-text {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 42rem;
}

.about-quote {
  margin-top: var(--space-10);
  padding-left: var(--space-8);
  border-left: 3px solid var(--color-primary);
}

.about-quote__text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: italic;
  color: var(--color-text);
  line-height: 1.4;
  letter-spacing: -0.01em;
}


/* ===== CONTACT / CTA ===== */
.contact-section {
  position: relative;
  overflow: hidden;
}

.contact-section__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 100%, rgba(59,130,246,0.05) 0%, transparent 60%);
  pointer-events: none;
}

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

@media (min-width: 768px) {
  .contact-layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.contact-info {
  max-width: 28rem;
}

.contact-info__email {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  margin-top: var(--space-8);
}

.contact-info__email:hover {
  color: var(--color-primary);
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

@media (min-width: 768px) {
  .contact-form { padding: var(--space-10); }
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246, 0.1);
}

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

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

.form-submit {
  margin-top: var(--space-6);
  width: 100%;
}

.form-note {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
}


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

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

@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

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

.footer__logo-text {
  font-weight: 600;
  font-size: var(--text-base);
  letter-spacing: -0.02em;
}

.footer__email {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}

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

.footer__nav {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}

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

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

.footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}

.footer__legal {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.6;
}

.footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}


/* ===== SCROLL REVEAL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }


/* ===== FAQ SECTION (visually hidden, schema-driven) ===== */
.faq-section {
  background: var(--color-bg);
}

.faq-list {
  margin-top: var(--space-10);
  max-width: var(--content-default);
}

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

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-6) 0;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  gap: var(--space-4);
}

.faq-item__question:hover {
  color: var(--color-primary);
}

.faq-item__icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-text-faint);
  transition: transform var(--transition-smooth);
}

.faq-item.is-open .faq-item__icon {
  transform: rotate(45deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.is-open .faq-item__answer {
  max-height: 20rem;
}

.faq-item__answer p {
  padding-bottom: var(--space-6);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 48rem;
}


/* ===== DIVIDER LINE ===== */
.section-divider {
  width: 100%;
  height: 1px;
  background: var(--color-divider);
  border: none;
}