/* ============================================================
   AUTONOMÍA — Design Tokens
   Estilo Apple · tonos claros · acento azul eléctrico
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400&display=swap');

:root {
  /* Surfaces */
  --color-bg:          #FFFFFF;
  --color-bg-alt:      #F5F5F7;
  --color-bg-sunken:   #FBFBFD;
  --color-nav-bg:      rgba(255,255,255,0.72);
  --color-overlay:     rgba(0,0,0,0.28);

  /* Ink */
  --color-fg1:         #1D1D1F;
  --color-fg2:         #424245;
  --color-fg3:         #6E6E73;
  --color-fg4:         #86868B;
  --color-fg-inv:      #FFFFFF;

  /* Accent — Autonomía Blue */
  --accent:            #0066FF;
  --accent-hover:      #0052CC;
  --accent-press:      #003D99;
  --accent-soft:       #E8F1FF;
  --accent-deep:       #0040A8;

  /* Semantic */
  --success:           #30D158;
  --success-bg:        #E9FAEF;
  --warning:           #FF9F0A;
  --warning-bg:        #FFF4E0;
  --error:             #FF3B30;
  --error-bg:          #FFE8E6;

  /* Borders */
  --border:            rgba(0,0,0,0.08);
  --border-strong:     rgba(0,0,0,0.14);
  --divider:           #E5E5E7;

  /* Typography */
  --font:     'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  /* Type scale */
  --fs-hero:    clamp(44px, 7vw, 88px);
  --fs-display: clamp(34px, 5vw, 60px);
  --fs-h1:      clamp(26px, 3.5vw, 44px);
  --fs-h2:      clamp(20px, 2.5vw, 30px);
  --fs-h3:      20px;
  --fs-h4:      17px;
  --fs-body:    17px;
  --fs-sm:      15px;
  --fs-xs:      13px;
  --fs-micro:   11px;

  /* Weights */
  --fw-light:    300;
  --fw-regular:  400;
  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     700;
  --fw-heavy:    800;
  --fw-black:    900;

  /* Line heights */
  --lh-display: 1.05;
  --lh-heading: 1.15;
  --lh-body:    1.6;
  --lh-tight:   1.25;

  /* Tracking */
  --tracking-hero:    -0.035em;
  --tracking-display: -0.025em;
  --tracking-heading: -0.015em;
  --tracking-body:    -0.003em;
  --tracking-caps:     0.08em;

  /* Spacing — base 4px */
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3:  12px;
  --sp-4:  16px;
  --sp-5:  24px;
  --sp-6:  32px;
  --sp-8:  48px;
  --sp-10: 64px;
  --sp-12: 96px;
  --sp-16: 128px;
  --sp-20: 160px;

  /* Radius */
  --r-xs:   4px;
  --r-sm:   8px;
  --r-md:   12px;
  --r-lg:   16px;
  --r-xl:   22px;
  --r-2xl:  28px;
  --r-3xl:  36px;
  --r-pill: 999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 4px 16px rgba(0,0,0,0.06);
  --shadow-md: 0 12px 32px rgba(0,0,0,0.08);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.10);
  --shadow-xl: 0 40px 80px rgba(0,0,0,0.14);
  --shadow-blue: 0 8px 32px rgba(0,102,255,0.28);
  --shadow-focus: 0 0 0 4px rgba(0,102,255,0.18);

  /* Blur */
  --blur-nav:   saturate(180%) blur(20px);
  --blur-modal: blur(12px);

  /* Motion */
  --ease:     cubic-bezier(0.25,0.1,0.25,1);
  --ease-out: cubic-bezier(0.16,1,0.3,1);
  --ease-spring: cubic-bezier(0.34,1.56,0.64,1);
  --dur-xs: 120ms;
  --dur-sm: 200ms;
  --dur-md: 300ms;
  --dur-lg: 500ms;

  /* Layout */
  --container:   1200px;
  --container-sm: 800px;
  --nav-h:       62px;
}

/* Base reset */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-fg1);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: var(--tracking-body);
  margin: 0;
  padding-top: 0;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: opacity var(--dur-sm) var(--ease); }
h1,h2,h3,h4,h5,h6 { margin: 0; color: var(--color-fg1); }
p { margin: 0; color: var(--color-fg2); }
button { font-family: var(--font); cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }