/* ==========================================================================
   Landing Studio CL — Design Tokens
   Adapted from Shopify (dark premium) + Wise (green CTA) for Chilean PYMEs
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Geist:wght@400;500;600;700&family=JetBrains+Mono:wght@500;700&display=swap');

:root {
  /* --- Surfaces (dark / persuasion mode) --- */
  --bg-void:        #0A0B0A;
  --bg-graphite:    #13161A;
  --bg-elevated:    #1A1F24;

  /* --- Surfaces (light / explanation mode) --- */
  --bg-bone:        #F7F5F1;
  --bg-paper:       #FFFFFF;

  /* --- Foreground / text --- */
  --fg-on-dark-1:   #FFFFFF;
  --fg-on-dark-2:   #A8ADB3;
  --fg-on-dark-3:   #6B7177;
  --fg-on-light-1:  #0E0F0C;
  --fg-on-light-2:  #545A60;
  --fg-on-light-3:  #8B9097;

  /* --- Action — WhatsApp green (conversion) --- */
  --accent-whatsapp:        #25D366;
  --accent-whatsapp-hover:  #1FAF4F;
  --accent-whatsapp-press:  #178A3D;
  --accent-whatsapp-fg:     #0A1F0E;
  --accent-whatsapp-soft:   rgba(37, 211, 102, 0.12);

  /* --- Urgency — coral (24h badges, never CTA) --- */
  --accent-coral:           #FF6B47;
  --accent-coral-hover:     #E55530;
  --accent-coral-soft:      rgba(255, 107, 71, 0.12);

  /* --- Borders --- */
  --border-dark:   rgba(255, 255, 255, 0.08);
  --border-dark-strong: rgba(255, 255, 255, 0.16);
  --border-light:  rgba(14, 15, 12, 0.08);
  --border-light-strong: rgba(14, 15, 12, 0.16);

  /* --- Semantic states --- */
  --color-success: #25D366;
  --color-warning: #FFB020;
  --color-danger:  #E5484D;

  /* --- Type families --- */
  --font-display: 'Space Grotesk', 'Fraktion Mono', ui-sans-serif, system-ui, sans-serif;
  --font-body:    'Geist', ui-sans-serif, system-ui, -apple-system, 'Helvetica Neue', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  /* --- Type scale (px) --- */
  --fs-h1: 64px;       --lh-h1: 1.05;  --ls-h1: 0;       --fw-h1: 700;
  --fs-h2: 44px;       --lh-h2: 1.10;  --ls-h2: 0;       --fw-h2: 700;
  --fs-h3: 28px;       --lh-h3: 1.20;  --ls-h3: 0;       --fw-h3: 600;
  --fs-h4: 20px;       --lh-h4: 1.30;  --ls-h4: 0;       --fw-h4: 600;
  --fs-body-lg: 19px;  --lh-body-lg: 1.55; --fw-body-lg: 500;
  --fs-body: 17px;     --lh-body: 1.55;    --fw-body: 500;
  --fs-small: 14px;    --lh-small: 1.50;   --fw-small: 500;
  --fs-eyebrow: 12px;  --lh-eyebrow: 1.0;  --ls-eyebrow: 1.5px; --fw-eyebrow: 600;
  --fs-button: 16px;   --lh-button: 1.0;   --fw-button: 600;

  /* --- Spacing (8-base) --- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* --- Radii --- */
  --radius-pill:   9999px;
  --radius-card:   12px;
  --radius-input:  10px;
  --radius-badge:  6px;
  --radius-device: 24px;

  /* --- Shadows --- */
  --shadow-card-dark:
    0 1px 0 0 rgba(255,255,255,0.04) inset,
    0 1px 2px rgba(0,0,0,0.4),
    0 8px 24px rgba(0,0,0,0.18);
  --shadow-float:
    0 12px 32px rgba(14,15,12,0.10);
  --shadow-focus-green:
    0 0 0 3px rgba(37, 211, 102, 0.35);

  /* --- Motion --- */
  --ease-standard: cubic-bezier(.2, .8, .2, 1);
  --dur-fast:   100ms;
  --dur-base:   150ms;
  --dur-slow:   250ms;
  --dur-reveal: 400ms;

  /* --- Layout --- */
  --container-max: 1200px;
  --pad-x-mobile:  16px;
  --pad-x-tablet:  32px;
  --pad-x-desktop: 64px;
  --nav-height: 64px;
}

/* --- Semantic element styles --- */

html, body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-weight: var(--fw-body);
  color: var(--fg-on-light-1);
  background: var(--bg-bone);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'ss01', 'cv01';
}

h1, .h1 {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: var(--fw-h1);
  line-height: var(--lh-h1);
  letter-spacing: var(--ls-h1);
  margin: 0;
}
h2, .h2 {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: var(--fw-h2);
  line-height: var(--lh-h2);
  letter-spacing: var(--ls-h2);
  margin: 0;
}
h3, .h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: var(--fw-h3);
  line-height: var(--lh-h3);
  letter-spacing: var(--ls-h3);
  margin: 0;
}
h4, .h4 {
  font-family: var(--font-body);
  font-size: var(--fs-h4);
  font-weight: var(--fw-h4);
  line-height: var(--lh-h4);
  letter-spacing: var(--ls-h4);
  margin: 0;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-eyebrow);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  line-height: var(--lh-eyebrow);
}

.body-lg {
  font-size: var(--fs-body-lg);
  line-height: var(--lh-body-lg);
  font-weight: var(--fw-body-lg);
}
.small, small {
  font-size: var(--fs-small);
  line-height: var(--lh-small);
  font-weight: var(--fw-small);
}
.mono {
  font-family: var(--font-mono);
}

/* Mobile type adjustments */
@media (max-width: 768px) {
  :root {
    --fs-h1: 40px;
    --fs-h2: 32px;
    --fs-h3: 24px;
    --fs-body-lg: 17px;
    --fs-body: 16px;
  }
}

/* --- Dark mode utility class --- */
.surface-dark {
  background: var(--bg-void);
  color: var(--fg-on-dark-1);
}
.surface-dark .muted { color: var(--fg-on-dark-2); }
.surface-light .muted { color: var(--fg-on-light-2); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--fs-button);
  font-weight: var(--fw-button);
  line-height: var(--lh-button);
  padding: 14px 22px;
  border-radius: var(--radius-pill);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform var(--dur-base) var(--ease-standard),
              background var(--dur-base) var(--ease-standard),
              border-color var(--dur-base) var(--ease-standard);
  white-space: nowrap;
  text-decoration: none;
}
.btn:hover { transform: scale(1.02); }
.btn:active { transform: scale(0.98); }
.btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus-green);
}

.btn-primary {
  background: var(--accent-whatsapp);
  color: var(--accent-whatsapp-fg);
  border-color: var(--accent-whatsapp);
}
.btn-primary:hover { background: var(--accent-whatsapp-hover); border-color: var(--accent-whatsapp-hover); }

.btn-ghost-dark {
  background: transparent;
  color: var(--fg-on-dark-1);
  border-color: rgba(255,255,255,0.32);
}
.btn-ghost-dark:hover { border-color: rgba(255,255,255,1); }

.btn-ghost-light {
  background: transparent;
  color: var(--fg-on-light-1);
  border-color: rgba(14,15,12,0.16);
}
.btn-ghost-light:hover { border-color: rgba(14,15,12,0.6); }

.btn-light {
  background: var(--fg-on-dark-1);
  color: var(--fg-on-light-1);
  border-color: var(--fg-on-dark-1);
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: var(--radius-badge);
  letter-spacing: 0.1px;
}
.badge-coral {
  background: var(--accent-coral-soft);
  color: var(--accent-coral);
  border: 1px solid var(--accent-coral-soft);
}
.badge-green {
  background: var(--accent-whatsapp-soft);
  color: var(--accent-whatsapp);
}
.badge-neutral-dark {
  background: rgba(255,255,255,0.08);
  color: var(--fg-on-dark-1);
}
.badge-neutral-light {
  background: rgba(14,15,12,0.06);
  color: var(--fg-on-light-1);
}

/* --- Inputs --- */
.input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  padding: 12px 14px;
  border-radius: var(--radius-input);
  border: 1px solid var(--border-light-strong);
  background: var(--bg-paper);
  color: var(--fg-on-light-1);
  transition: border-color var(--dur-base) var(--ease-standard),
              box-shadow var(--dur-base) var(--ease-standard);
}
.input::placeholder { color: var(--fg-on-light-3); }
.input:focus {
  outline: none;
  border-color: var(--accent-whatsapp);
  box-shadow: var(--shadow-focus-green);
}
.input-dark {
  background: rgba(255,255,255,0.04);
  border-color: var(--border-dark-strong);
  color: var(--fg-on-dark-1);
}
.input-dark::placeholder { color: var(--fg-on-dark-3); }

/* --- Cards --- */
.card-dark {
  background: var(--bg-graphite);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card-dark);
}
.card-light {
  background: var(--bg-paper);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
}

/* --- Layout helpers --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--pad-x-desktop);
  padding-right: var(--pad-x-desktop);
}
@media (max-width: 1024px) { .container { padding-left: var(--pad-x-tablet); padding-right: var(--pad-x-tablet); } }
@media (max-width: 640px)  { .container { padding-left: var(--pad-x-mobile); padding-right: var(--pad-x-mobile); } }