/**
 * Zenvel Formulation - Professional Design Token System
 * Inspired by FixeraTech's minimalist elegance
 * Color palette extracted from official Zenvel logo
 *
 * Logo Analysis:
 *   - Primary Green: #00A859  (logo oval border & tagline)
 *   - Black: #111111          (ZENVEL wordmark)
 *   - White: #FFFFFF          (logo fill)
 */

:root {
  /* ─────────────────────────────────────────
     BRAND PALETTE — Zenvel Logo Colors
  ───────────────────────────────────────── */
  --zv-primary:        #00A859;   /* Official Zenvel Green (logo oval) */
  --zv-primary-deep:   #007A40;   /* Deep Emerald — hover states */
  --zv-primary-dark:   #005C2E;   /* Dark Forest — active / pressed */
  --zv-primary-light:  #E4F5EC;   /* Pale Mint — backgrounds, tints */
  --zv-primary-subtle: #F2FAF5;   /* Ultra-subtle wash */

  /* Gold Accent — elegance & warmth */
  --zv-gold:           #B8922A;   /* Rich Ayurvedic Gold */
  --zv-gold-light:     #FFF4DC;   /* Warm Gold Tint */
  --zv-gold-border:    #E8C97E;   /* Gold border */

  /* Crimson — sale badges, urgent */
  --zv-sale:           #C0392B;
  --zv-sale-light:     #FDEAEA;

  /* ─────────────────────────────────────────
     NEUTRAL TYPOGRAPHY SYSTEM
     Dark-on-light, high contrast, readable
  ───────────────────────────────────────── */
  --zv-ink-900:   #0D1409;   /* Richest black-green (headlines) */
  --zv-ink-700:   #1E2E1E;   /* Body text */
  --zv-ink-500:   #4A5E4A;   /* Muted / supporting text */
  --zv-ink-400:   #6D7F6D;   /* Placeholder, captions */
  --zv-ink-200:   #B8C8B8;   /* Subtle dividers */
  --zv-ink-100:   #E8EEE8;   /* Light dividers */

  /* Named aliases for backwards compat */
  --zv-color-text:       var(--zv-ink-700);
  --zv-color-text-muted: var(--zv-ink-500);
  --zv-color-text-subtle:var(--zv-ink-400);

  /* ─────────────────────────────────────────
     SURFACE / BACKGROUND SYSTEM
  ───────────────────────────────────────── */
  --zv-bg-page:      #F8FBF8;   /* Off-white canvas — not harsh white */
  --zv-bg-card:      #FFFFFF;   /* Pure card surface */
  --zv-bg-dark:      #0A1A0A;   /* Near-black for footer / CTA */
  --zv-bg-dark-card: #121E12;   /* Dark card surface */

  /* ─────────────────────────────────────────
     BORDER & FOCUS SYSTEM
  ───────────────────────────────────────── */
  --zv-border-color: #DFE8DF;
  --zv-border-soft:  #EAF0EA;
  --zv-border-focus: #00A859;
  --zv-border-dark:  rgba(255,255,255,0.08);

  /* ─────────────────────────────────────────
     ELEVATION / SHADOWS
  ───────────────────────────────────────── */
  --zv-shadow-xs: 0 1px 2px rgba(0,60,20,0.05);
  --zv-shadow-sm: 0 2px 8px rgba(0,60,20,0.07), 0 1px 2px rgba(0,60,20,0.04);
  --zv-shadow-md: 0 6px 20px rgba(0,60,20,0.09), 0 2px 6px rgba(0,60,20,0.05);
  --zv-shadow-lg: 0 16px 40px rgba(0,60,20,0.12), 0 6px 12px rgba(0,60,20,0.06);
  --zv-shadow-green: 0 8px 24px rgba(0,168,89,0.20);
  --zv-shadow-dock: 0 -4px 20px rgba(0,0,0,0.10);

  /* ─────────────────────────────────────────
     TYPOGRAPHY — Professional Fluid Scale
  ───────────────────────────────────────── */
  --zv-font-sans:  'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont,
                   "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --zv-font-serif: 'Playfair Display', Georgia, "Times New Roman", serif;
  --zv-font-mono:  "JetBrains Mono", "Fira Code", Consolas, monospace;

  /* Fluid typography — 320px → 1440px */
  --zv-text-xs:   clamp(0.68rem,  0.62rem + 0.3vw, 0.80rem);
  --zv-text-sm:   clamp(0.82rem,  0.76rem + 0.3vw, 0.94rem);
  --zv-text-base: clamp(0.94rem,  0.88rem + 0.3vw, 1.06rem);
  --zv-text-lg:   clamp(1.08rem,  0.98rem + 0.5vw, 1.28rem);
  --zv-text-xl:   clamp(1.25rem,  1.10rem + 0.75vw, 1.55rem);
  --zv-text-2xl:  clamp(1.50rem,  1.28rem + 1.1vw,  2.00rem);
  --zv-text-3xl:  clamp(1.85rem,  1.50rem + 1.75vw, 2.65rem);
  --zv-text-4xl:  clamp(2.20rem,  1.75rem + 2.25vw, 3.40rem);
  --zv-text-5xl:  clamp(2.80rem,  2.10rem + 3.5vw,  4.50rem);

  /* Letter spacing */
  --zv-tracking-tight:  -0.03em;
  --zv-tracking-normal:  0;
  --zv-tracking-wide:    0.04em;
  --zv-tracking-widest:  0.12em;

  /* ─────────────────────────────────────────
     BORDER RADIUS
  ───────────────────────────────────────── */
  --zv-radius-sm:   6px;
  --zv-radius-md:   12px;
  --zv-radius-lg:   20px;
  --zv-radius-xl:   28px;
  --zv-radius-pill: 9999px;

  /* ─────────────────────────────────────────
     SPACING SYSTEM
  ───────────────────────────────────────── */
  --zv-space-1:  0.25rem;
  --zv-space-2:  0.5rem;
  --zv-space-3:  0.75rem;
  --zv-space-4:  1rem;
  --zv-space-6:  1.5rem;
  --zv-space-8:  2rem;
  --zv-space-12: 3rem;
  --zv-space-16: 4rem;
  --zv-space-24: 6rem;

  /* ─────────────────────────────────────────
     LAYOUT
  ───────────────────────────────────────── */
  --zv-container-max: 1240px;
  --zv-container-pad: clamp(1rem, 0.5rem + 3vw, 2.5rem);

  /* ─────────────────────────────────────────
     Z-INDEX LAYERS
  ───────────────────────────────────────── */
  --zv-z-dropdown: 100;
  --zv-z-sticky:   500;
  --zv-z-dock:     800;
  --zv-z-drawer:   1000;
  --zv-z-modal:    1100;
  --zv-z-toast:    1200;

  /* ─────────────────────────────────────────
     TRANSITIONS
  ───────────────────────────────────────── */
  --zv-ease:      cubic-bezier(0.4, 0, 0.2, 1);
  --zv-ease-out:  cubic-bezier(0, 0, 0.2, 1);
  --zv-ease-in:   cubic-bezier(0.4, 0, 1, 1);
  --zv-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  --zv-transition-fast: 150ms var(--zv-ease);
  --zv-transition-base: 250ms var(--zv-ease);
  --zv-transition-slow: 400ms var(--zv-ease);
}

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--zv-font-sans);
  font-size: var(--zv-text-base);
  line-height: 1.65;
  color: var(--zv-color-text);
  background-color: var(--zv-bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main#main-content { flex: 1 0 auto; }

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

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, textarea, select { font: inherit; }