/* =====================================================================
   Sephos Design Tokens
   colors · typography · spacing · radii · elevation
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

:root {
  /* ---------- Brand & Accent ---------- */
  --color-primary:                 #533afd;
  --color-primary-deep:            #4434d4;
  --color-primary-press:           #2e2b8c;
  --color-primary-soft:            #665efd;
  --color-primary-subdued:         #b9b9f9;
  --color-brand-dark-900:          #1c1e54;
  --color-ruby:                    #ea2261;
  --color-magenta:                 #f96bee;
  --color-lemon:                   #9b6829;

  /* Sephos validation/security accents (extension to the inspiration system) */
  --color-validate:                #10b981;
  --color-validate-soft:           #d1fae5;
  --color-validate-deep:           #047857;
  --color-cyan:                    #06b6d4;
  --color-cyan-soft:               #cffafe;

  /* ---------- Surface ---------- */
  --color-canvas:                  #ffffff;
  --color-canvas-soft:             #f6f9fc;
  --color-canvas-cream:            #f5e9d4;
  --color-hairline:                #e3e8ee;
  --color-hairline-input:          #a8c3de;

  /* ---------- Text ---------- */
  --color-ink:                     #0d253d;
  --color-ink-secondary:           #273951;
  --color-ink-mute:                #64748d;
  --color-ink-mute-2:              #61718a;
  --color-on-primary:              #ffffff;

  /* ---------- Typography ---------- */
  --font-family-sans:              'Inter', 'SF Pro Display', system-ui, -apple-system, sans-serif;

  /* Display tier — weight 300, negative tracking */
  --type-display-xxl-size:         56px;
  --type-display-xxl-lh:           1.03;
  --type-display-xxl-tracking:     -1.4px;

  --type-display-xl-size:          48px;
  --type-display-xl-lh:            1.15;
  --type-display-xl-tracking:      -0.96px;

  --type-display-lg-size:          32px;
  --type-display-lg-lh:            1.1;
  --type-display-lg-tracking:      -0.64px;

  --type-display-md-size:          26px;
  --type-display-md-lh:            1.12;
  --type-display-md-tracking:      -0.26px;

  --type-heading-lg-size:          22px;
  --type-heading-lg-lh:            1.1;
  --type-heading-lg-tracking:      -0.22px;

  --type-heading-md-size:          20px;
  --type-heading-md-lh:            1.4;
  --type-heading-md-tracking:      -0.2px;

  --type-heading-sm-size:          18px;
  --type-heading-sm-lh:            1.4;
  --type-heading-sm-tracking:      0;

  /* Body tier */
  --type-body-lg-size:             16px;
  --type-body-md-size:             15px;
  --type-body-lh:                  1.4;

  /* Tabular (money / counts / participation rates) */
  --type-body-tabular-size:        14px;
  --type-body-tabular-tracking:    -0.42px;

  /* Controls */
  --type-button-md-size:           16px;
  --type-button-sm-size:           14px;
  --type-caption-size:             13px;
  --type-caption-tracking:         -0.39px;
  --type-micro-size:               11px;
  --type-micro-cap-size:           10px;
  --type-micro-cap-tracking:       0.1px;

  /* ---------- Spacing ---------- */
  --space-xxs:                     2px;
  --space-xs:                      4px;
  --space-sm:                      8px;
  --space-md:                      12px;
  --space-lg:                      16px;
  --space-xl:                      24px;
  --space-xxl:                     32px;
  --space-huge:                    64px;

  /* ---------- Radii ---------- */
  --radius-xs:                     4px;
  --radius-sm:                     6px;
  --radius-md:                     8px;
  --radius-lg:                     12px;
  --radius-xl:                     16px;
  --radius-pill:                   9999px;

  /* ---------- Elevation ---------- */
  --shadow-1:                      rgba(0,55,112,0.08) 0 1px 3px;
  --shadow-2:                      rgba(0,55,112,0.08) 0 8px 24px, rgba(0,55,112,0.04) 0 2px 6px;
  --shadow-product:                rgba(13, 37, 61, 0.12) 0 24px 60px -20px, rgba(13, 37, 61, 0.08) 0 2px 6px;

  /* ---------- Motion ---------- */
  --ease-standard:                 cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast:                      160ms;
  --dur-base:                      220ms;
  --dur-slow:                      280ms;
}

/* =====================================================================
   Global reset + body defaults
   ===================================================================== */

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

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family-sans);
  font-weight: 300;
  font-size: var(--type-body-md-size);
  line-height: var(--type-body-lh);
  color: var(--color-ink);
  background: var(--color-canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01" on;
}

/* =====================================================================
   Semantic type roles
   ===================================================================== */

.t-display-xxl, h1.display {
  font-size: var(--type-display-xxl-size);
  line-height: var(--type-display-xxl-lh);
  letter-spacing: var(--type-display-xxl-tracking);
  font-weight: 300;
  margin: 0;
}

.t-display-xl, h1 {
  font-size: var(--type-display-xl-size);
  line-height: var(--type-display-xl-lh);
  letter-spacing: var(--type-display-xl-tracking);
  font-weight: 300;
  margin: 0;
}

.t-display-lg, h2 {
  font-size: var(--type-display-lg-size);
  line-height: var(--type-display-lg-lh);
  letter-spacing: var(--type-display-lg-tracking);
  font-weight: 300;
  margin: 0;
}

.t-display-md, h3 {
  font-size: var(--type-display-md-size);
  line-height: var(--type-display-md-lh);
  letter-spacing: var(--type-display-md-tracking);
  font-weight: 300;
  margin: 0;
}

.t-heading-lg, h4 {
  font-size: var(--type-heading-lg-size);
  line-height: var(--type-heading-lg-lh);
  letter-spacing: var(--type-heading-lg-tracking);
  font-weight: 300;
  margin: 0;
}

.t-heading-md, h5 {
  font-size: var(--type-heading-md-size);
  line-height: var(--type-heading-md-lh);
  letter-spacing: var(--type-heading-md-tracking);
  font-weight: 300;
  margin: 0;
}

.t-heading-sm, h6 {
  font-size: var(--type-heading-sm-size);
  line-height: var(--type-heading-sm-lh);
  font-weight: 300;
  margin: 0;
}

.t-body-lg, p.lead {
  font-size: var(--type-body-lg-size);
  line-height: var(--type-body-lh);
  font-weight: 300;
}

.t-body-md, p {
  font-size: var(--type-body-md-size);
  line-height: var(--type-body-lh);
  font-weight: 300;
}

.t-body-tabular, .tabular {
  font-size: var(--type-body-tabular-size);
  letter-spacing: var(--type-body-tabular-tracking);
  font-feature-settings: "ss01" on, "tnum" on;
  font-weight: 300;
}

.t-caption {
  font-size: var(--type-caption-size);
  letter-spacing: var(--type-caption-tracking);
  font-weight: 400;
  color: var(--color-ink-mute);
}

.t-micro {
  font-size: var(--type-micro-size);
  font-weight: 300;
  color: var(--color-ink-mute);
}

.t-eyebrow, .t-micro-cap {
  font-size: var(--type-micro-cap-size);
  letter-spacing: var(--type-micro-cap-tracking);
  text-transform: uppercase;
  font-weight: 400;
  color: var(--color-ink-mute);
}

/* =====================================================================
   Buttons (canonical pill)
   ===================================================================== */

.btn,
.btn-primary,
.btn-secondary,
.btn-on-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-family-sans);
  font-size: var(--type-button-md-size);
  font-weight: 400;
  line-height: 1;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--dur-base) var(--ease-standard),
              color var(--dur-base) var(--ease-standard),
              border-color var(--dur-base) var(--ease-standard);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}
.btn-primary:hover {
  background: var(--color-primary-deep);
}
.btn-primary:active {
  background: var(--color-primary-press);
}

.btn-secondary {
  background: var(--color-canvas);
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-secondary:hover {
  background: var(--color-primary-subdued);
}

.btn-on-dark {
  background: var(--color-brand-dark-900);
  color: var(--color-on-primary);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: transparent;
  color: var(--color-ink);
  font-family: var(--font-family-sans);
  font-size: var(--type-button-md-size);
  font-weight: 400;
  padding: var(--space-sm) var(--space-md);
  border: none;
  cursor: pointer;
  border-radius: var(--radius-pill);
  transition: background-color var(--dur-base) var(--ease-standard);
}
.btn-ghost:hover {
  background: rgba(13, 37, 61, 0.04);
}

.btn-sm {
  font-size: var(--type-button-sm-size);
  padding: 6px 12px;
}

/* =====================================================================
   Inputs
   ===================================================================== */

.input {
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-family-sans);
  font-weight: 300;
  font-size: var(--type-body-md-size);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-hairline-input);
  outline: none;
  transition: border-color var(--dur-base) var(--ease-standard);
  width: 100%;
}
.input:focus {
  border-color: var(--color-primary);
}

/* =====================================================================
   Pills, tags
   ===================================================================== */

.pill-tag-soft {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--color-primary-subdued);
  color: var(--color-primary-press);
  font-size: var(--type-micro-cap-size);
  letter-spacing: var(--type-micro-cap-tracking);
  text-transform: uppercase;
  font-weight: 400;
  padding: 4px 8px;
  border-radius: var(--radius-pill);
}

.pill-validate {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--color-validate-soft);
  color: var(--color-validate-deep);
  font-size: var(--type-micro-cap-size);
  letter-spacing: var(--type-micro-cap-tracking);
  text-transform: uppercase;
  font-weight: 400;
  padding: 4px 8px;
  border-radius: var(--radius-pill);
}

/* =====================================================================
   Cards
   ===================================================================== */

.card {
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  padding: var(--space-xxl);
}

.card-featured {
  background: var(--color-brand-dark-900);
  color: var(--color-on-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-xxl);
}

.card-cream {
  background: var(--color-canvas-cream);
  color: var(--color-ink);
  border-radius: var(--radius-lg);
  padding: var(--space-xxl);
}

/* =====================================================================
   Link
   ===================================================================== */

.link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 400;
  transition: opacity var(--dur-base) var(--ease-standard);
}
.link:hover {
  opacity: 0.7;
}