/*
 * SAM Design System
 * Clinical marketing website for SAM — privacy-first AI assistant for Dutch GPs
 * 
 * Design principles: Clinical, calm, modern, minimal, trustworthy
 * NOT startup-hype
 */

/* ==========================================================================
   1. FONTS
   ========================================================================== */

/* Fonts loaded via HTML <link> tags in templates */

/* ==========================================================================
   2. CSS CUSTOM PROPERTIES
   ========================================================================== */

:root {
  /* Colors */
  --color-bg:           #F7FAF9;
  --color-surface:      #FFFFFF;
  --color-surface-alt:  #EBF4F4;

  --color-primary:      #01363E;
  --color-primary-mid:  #026270;
  --color-brand:        #038EA2;
  --color-brand-soft:   #0a8582;
  --color-accent:       #0EB4B0;
  --color-accent-alt:   #26FCE2;

  --color-text:         #01363E;
  --color-text-muted:   #4A6869;
  --color-text-light:   #7A9899;
  --color-text-inverse: #F7F6F3;

  --color-border:       #C2D9D9;
  --color-border-dark:   #8AAEAE;

  --color-success:      #0A7B6E;
  --color-error:        #C03B3B;

  /* Typography */
  --font-serif: 'Sora', 'Inter', system-ui, sans-serif;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  /* Type Scale */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;

  /* Spacing (8px base) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.5rem;
  --space-6:  2rem;
  --space-8:  3rem;
  --space-10: 4rem;
  --space-12: 5rem;
  --space-16: 6rem;

  /* Layout */
  --container-max:    1140px;
  --container-narrow: 720px;
  --border-radius:    6px;
  --border-radius-lg: 12px;

  /* Transitions */
  --transition-fast:   150ms ease-out;
  --transition-base:  200ms ease-out;
  --transition-slow:  300ms ease-out;
  --transition-reveal: 500ms ease-out;

  /* Shadows */
  --shadow-sm:  0 1px 2px rgba(1, 54, 62, 0.05);
  --shadow-md:  0 4px 6px rgba(1, 54, 62, 0.07);
  --shadow-lg:  0 10px 15px rgba(1, 54, 62, 0.1);
  --shadow-xl:  0 20px 25px rgba(1, 54, 62, 0.12);
}

/* ==========================================================================
   3. RESET & BASE
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

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

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

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

ul,
ol {
  list-style: none;
}

/* ==========================================================================
   4. TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

@media (max-width: 640px) {
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-3xl); }
  h3 { font-size: var(--text-2xl); }
}

p {
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   5. LAYOUT
   ========================================================================== */

.container {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-5);
  padding-right: var(--space-5);
}

.container--narrow {
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-5);
  padding-right: var(--space-5);
}

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

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

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

/* ==========================================================================
   6. SECTION
   ========================================================================== */

.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.section--alt {
  background-color: var(--color-surface-alt);
}

.section--dark {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

@media (max-width: 640px) {
  .section {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
  }
}

.section__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-brand);
  margin-bottom: var(--space-4);
}

.section__headline {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}

.section__headline--inverse {
  color: var(--color-text-inverse);
}

.section__body {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 640px;
  line-height: 1.7;
}

@media (max-width: 640px) {
  .section__headline {
    font-size: var(--text-3xl);
  }
}

/* ==========================================================================
   7. BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 500;
  line-height: 1;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: 
    background-color var(--transition-base),
    color var(--transition-base),
    transform var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background-color: var(--color-brand);
  color: white;
}

.btn-primary:hover {
  background-color: var(--color-brand-soft);
  transform: scale(1.02);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-brand);
  border: 2px solid var(--color-brand);
}

.btn-secondary:hover {
  background-color: var(--color-brand);
  color: white;
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-brand);
}

.btn-ghost:hover {
  background-color: var(--color-surface-alt);
}

.btn-small {
  padding: 8px 16px;
  font-size: var(--text-sm);
}

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

.btn-accent:hover {
  background-color: var(--color-accent-alt);
}

/* ==========================================================================
   8. NAVIGATION
   ========================================================================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background-color: transparent;
  transition: 
    background-color var(--transition-base),
    box-shadow var(--transition-base),
    backdrop-filter var(--transition-base);
}

.nav--transparent {
  background-color: transparent;
}

.nav--solid {
  background-color: rgba(247, 246, 243, 0.95);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
  height: 72px;
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  color: var(--color-primary);
}

.nav__logo img {
  width: 164px;
  height: auto;
  max-height: 44px;
}

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

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-brand);
}

.nav__cta {
  margin-left: var(--space-4);
}

/* Hamburger button — shown on mobile, hidden on desktop */
.nav__hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-primary);
  flex-direction: column;
  gap: 5px;
  width: 32px;
}

.nav__hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: currentColor;
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Animate hamburger to X when open */
.nav__hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
  .nav__logo img {
    width: 132px;
    max-height: 36px;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    padding: var(--space-4) var(--space-5);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-top: 1px solid var(--color-border);
    z-index: 100;
  }

  .nav__links.is-open {
    display: flex;
  }

  .nav__cta {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .nav__inner {
    height: 64px;
  }
}

/* ==========================================================================
   9. HERO
   ========================================================================== */

.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px var(--space-5) 80px;
  text-align: center;
}

.hero__label {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-brand);
  margin-bottom: var(--space-6);
}

.hero__headline {
  font-family: var(--font-serif);
  font-size: var(--text-6xl);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-primary);
  max-width: 800px;
  margin-bottom: var(--space-6);
  overflow-wrap: normal;
  text-wrap: balance;
}

.hero__subline {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 560px;
  margin-top: var(--space-6);
  line-height: 1.7;
  overflow-wrap: normal;
}

.hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  margin-top: var(--space-10);
}

.hero__trust-strip {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-8) 0;
  margin-top: var(--space-16);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  max-width: var(--container-max);
  width: 100%;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.trust-item__icon {
  width: 40px;
  height: 40px;
  color: var(--color-brand);
}

.trust-item__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: center;
}

@media (max-width: 1024px) {
  .hero__trust-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .hero {
    min-height: auto;
    padding: 100px var(--space-5) var(--space-10);
  }
  
  .hero__headline {
    font-size: 1.95rem;
    line-height: 1.2;
  }
  
  .hero__trust-strip {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

/* ==========================================================================
   10. FEATURE BLOCK
   ========================================================================== */

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

.feature--reverse .feature__content {
  order: 2;
}

.feature--reverse .feature__media {
  order: 1;
}

.feature__eyebrow {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-brand);
  margin-bottom: var(--space-3);
}

.feature__headline {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: var(--color-primary);
  line-height: 1.2;
}

.feature__body {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.7;
  margin-top: var(--space-4);
}

.feature__bullets {
  list-style: none;
  margin-top: var(--space-6);
  padding: 0;
}

.feature__bullet {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}

.feature__bullet::before {
  content: "→";
  color: var(--color-brand);
  font-weight: 500;
  flex-shrink: 0;
}

.feature__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-brand);
  font-size: 0.9rem;
  margin-top: var(--space-4);
  transition: color var(--transition-fast);
}

.feature__link:hover {
  color: var(--color-brand-soft);
}

.feature__media {
  background: linear-gradient(135deg, var(--color-surface-alt) 0%, #d4e4e4 100%);
  border-radius: var(--border-radius-lg);
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.feature__media-placeholder {
  color: var(--color-text-light);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

@media (max-width: 1024px) {
  .feature {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .feature--reverse .feature__content,
  .feature--reverse .feature__media {
    order: unset;
  }
  
  .feature__media {
    order: -1;
  }
}

/* ==========================================================================
   11. PRIVACY ARCHITECTURE
   ========================================================================== */

.privacy-diagram {
  max-width: 900px;
  margin: 0 auto;
}

.privacy-diagram__flow {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.privacy-diagram__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
  flex: 1;
}

.privacy-diagram__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--color-surface-alt);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2);
}

.privacy-diagram__icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-brand);
}

.privacy-diagram__label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
}

.privacy-diagram__sublabel {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.privacy-diagram__arrow {
  color: var(--color-brand);
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.privacy-callouts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-12);
}

.privacy-callout {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-5);
  display: flex;
  gap: var(--space-4);
}

.privacy-callout__icon {
  width: 32px;
  height: 32px;
  color: var(--color-brand);
  flex-shrink: 0;
}

.privacy-callout__title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.privacy-callout__body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

@media (max-width: 640px) {
  .privacy-diagram__flow {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .privacy-diagram__arrow {
    transform: rotate(90deg);
  }
  
  .privacy-callouts {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   12. INTEGRATIONS
   ========================================================================== */

.integrations__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.integration-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-6);
  text-align: center;
}

.integration-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-3);
  color: var(--color-brand);
}

.integration-card__name {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.integration-card__category {
  font-size: var(--text-xs);
  color: var(--color-brand);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.integration-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}

@media (max-width: 768px) {
  .integrations__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .integrations__grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   13. FAQ
   ========================================================================== */

.faq-list {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

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

.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq-item__question {
  width: 100%;
  text-align: left;
  padding: var(--space-5) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  cursor: pointer;
  font-weight: 500;
  color: var(--color-primary);
  background: transparent;
  border: none;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  transition: color var(--transition-fast);
}

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

.faq-item__icon {
  width: 24px;
  height: 24px;
  color: var(--color-brand);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

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

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item.is-open .faq-item__answer {
  max-height: 500px;
}

.faq-item__answer-inner {
  padding-bottom: var(--space-5);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   14. CTA SECTION
   ========================================================================== */

.cta-section {
  background-color: var(--color-primary);
  padding: var(--space-16) var(--space-5);
  text-align: center;
}

.cta-section__headline {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 400;
  color: white;
  max-width: 600px;
  margin: 0 auto;
}

.cta-section__subline {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-lg);
  max-width: 500px;
  margin: var(--space-4) auto 0;
  line-height: 1.7;
}

.cta-section__buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.cta-section .btn-primary {
  background-color: white;
  color: var(--color-primary);
}

.cta-section .btn-primary:hover {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

.cta-section .btn-secondary {
  border-color: rgba(255, 255, 255, 0.5);
  color: white;
}

.cta-section .btn-secondary:hover {
  background-color: white;
  color: var(--color-primary);
}

@media (max-width: 640px) {
  .cta-section {
    padding: var(--space-10) var(--space-5);
  }
  
  .cta-section__headline {
    font-size: var(--text-3xl);
  }
}

/* ==========================================================================
   15. FORM (TRIAL SIGNUP)
   ========================================================================== */

.form-trial {
  max-width: 560px;
  margin: 0 auto;
}

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

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

.form-label {
  display: block;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  font-size: 0.9rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: white;
  transition: border-color var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-brand);
}

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

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%234A6869' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 20px;
  padding-right: 44px;
}

.form-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.form-checkbox {
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--color-border);
  border-radius: 4px;
  appearance: none;
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
  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='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 0;
  transition: background-size var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.form-checkbox:checked {
  background-color: var(--color-brand);
  border-color: var(--color-brand);
  background-size: 12px;
}

.form-checkbox-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.form-error {
  color: var(--color-error);
  font-size: 0.8rem;
  margin-top: var(--space-1);
  display: block;
}

.form-success {
  background-color: rgba(10, 123, 110, 0.1);
  border: 1px solid var(--color-success);
  color: var(--color-success);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
}

.form-submit {
  width: 100%;
  margin-top: var(--space-2);
}

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

/* ==========================================================================
   16. FOOTER
   ========================================================================== */

.footer {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__brand {
  grid-column: span 1;
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  margin-bottom: var(--space-3);
}

.footer__logo img {
  width: 148px;
  height: auto;
  max-height: 40px;
}

.footer__tagline {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer__nav-title {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: var(--space-4);
}

.footer__link {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: var(--space-2);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: white;
}

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

.footer__copy {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.8rem;
}

@media (max-width: 1024px) {
  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  
  .footer__brand {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .footer__top {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer__brand {
    grid-column: span 1;
  }
  
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ==========================================================================
   17. UTILITIES
   ========================================================================== */

.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: 
    opacity var(--transition-reveal),
    transform var(--transition-reveal);
}

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

.fade-up-delay-1 { transition-delay: 100ms; }
.fade-up-delay-2 { transition-delay: 200ms; }
.fade-up-delay-3 { transition-delay: 300ms; }
.fade-up-delay-4 { transition-delay: 400ms; }

/* ==========================================================================
   18. FOCUS STYLES
   ========================================================================== */

:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible) {
  outline: none;
}

/* ==========================================================================
   19. SELECTION
   ========================================================================== */

::selection {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

::-moz-selection {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

/* ==========================================================================
   20. SCROLLBAR (webkit)
   ========================================================================== */

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-surface-alt);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-dark);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-light);
}

/* ==========================================================================
   21. TYPOGRAPHY UTILITIES
   ========================================================================== */

.text-xs   { font-size: var(--text-xs); }
.text-sm   { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg   { font-size: var(--text-lg); }
.text-xl   { font-size: var(--text-xl); }
.text-2xl  { font-size: var(--text-2xl); }
.text-3xl  { font-size: var(--text-3xl); }
.text-4xl  { font-size: var(--text-4xl); }
.text-5xl  { font-size: var(--text-5xl); }
.text-6xl  { font-size: var(--text-6xl); }

.font-serif { font-family: var(--font-serif); }
.font-sans  { font-family: var(--font-sans); }
.font-mono  { font-family: var(--font-mono); }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }

code,
pre {
  font-family: var(--font-mono);
}

/* ==========================================================================
   22. SPACING UTILITIES
   ========================================================================== */

.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }

.w-full { width: 100%; }

/* ==========================================================================
   23. INSTALLATION STEPS
   ========================================================================== */

.install-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.install-step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}

.install-step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-brand);
  color: white;
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.install-step__title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.install-step__desc {
  font-size: var(--text-sm);
  color: var(--color-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.install-step__desc code {
  background: var(--color-muted);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85em;
}

.install-pricing {
  margin-top: var(--space-8);
  text-align: center;
  padding: var(--space-5) var(--space-6);
  background: var(--color-muted);
  border-radius: var(--radius-lg);
}

.install-pricing__text {
  font-size: var(--text-lg);
  color: var(--color-primary);
}

/* Hero trial note */
.hero__trial-note {
  display: block;
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-secondary);
}

/* CTA pricing line */
.cta-section__pricing {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-secondary);
  opacity: 0.85;
}

/* ==========================================================================
   24. CODEX DESIGN IMPORTS — Accessibility & Modern Patterns
   ========================================================================== */

/* Skip Link - Accessibility */
.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--color-brand);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 999;
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  left: 12px;
}

/* Glassmorphism Header Effect */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
}

/* Card Component - Codex style */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 10px 22px rgba(17, 32, 59, 0.06);
}

/* Accordion List */
.accordion-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.accordion-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
}

.accordion-trigger {
  width: 100%;
  padding: 18px 20px;
  background: transparent;
  border: none;
  text-align: left;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color var(--transition-fast);
}

.accordion-trigger:hover {
  background-color: var(--color-surface-alt);
}

.accordion-trigger::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-brand);
  transition: transform var(--transition-base);
}

.accordion-item.is-open .accordion-trigger::after {
  transform: rotate(45deg);
}

.accordion-panel {
  padding: 0 20px 18px;
  color: var(--color-text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--color-border);
}

.accordion-panel[hidden] {
  display: none;
}

/* Quote Blockquote */
.quote {
  margin: 0;
  padding: 0;
}

.quote p {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}

.quote small {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: normal;
}

/* Badges */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Honeypot Field */
.hp-field {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Form Status States */
.form-status {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--border-radius);
  font-size: var(--text-sm);
  display: none;
}

.form-status.success {
  display: block;
  background-color: rgba(10, 123, 110, 0.1);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.form-status.error {
  display: block;
  background-color: rgba(192, 59, 59, 0.1);
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

/* Grid Layout Classes */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

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

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Form Label & Input Enhancements */
.form-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-grid .form-label {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-weight: 500;
  color: var(--color-primary);
}

.form-grid .form-label input,
.form-grid .form-label textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  transition: border-color var(--transition-base);
}

.form-grid .form-label input:focus,
.form-grid .form-label textarea:focus {
  outline: none;
  border-color: var(--color-brand);
}

.form-grid .form-label textarea {
  min-height: 100px;
  resize: vertical;
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.consent input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--color-brand);
}

/* Lead text */
.lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 60ch;
}

/* Clean list */
.clean {
  list-style: none;
  padding: 0;
  margin: 0;
}

.clean li {
  padding: var(--space-2) 0;
  padding-left: var(--space-5);
  position: relative;
}

.clean li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-brand);
}