@import url('./buttons.css');

/* =============================================
   HUBLE — Main Stylesheet
   Variables, Reset, Typography, Base Layout
   ============================================= */

:root {
  /* Colors — primary green #7CE2A0 */
  --mint: #7CE2A0;
  --mint-light: #B5EFC8;
  --mint-lighter: #E1F8E9;
  --mint-dark: #4CC97A;
  --mint-darker: #2EAA5C;
  --mint-glow: rgba(124, 226, 160, 0.28);
  --mint-glow-strong: rgba(124, 226, 160, 0.5);
  --black: #1A1A1A;
  --dark: #2D2D2D;
  --gray: #6B7280;
  --gray-light: #F3F4F6;
  --gray-border: rgba(255, 255, 255, 0.2);
  --white: #FFFFFF;
  --white-off: #FAFFFE;
  --danger: #E74C3C;

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.6);
  --glass-bg-strong: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
  --glass-blur: blur(16px);

  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-padding: clamp(3rem, 6vw, 5rem);
  --container-width: 1200px;
  --container-padding: clamp(1.25rem, 4vw, 2rem);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* Border radius */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Easing */
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);

  /* Gradients */
  --grad-mint: linear-gradient(135deg, var(--mint) 0%, var(--mint-dark) 100%);
  --grad-mint-soft: linear-gradient(135deg, var(--mint-light), var(--mint));
  --grad-wash-1: linear-gradient(160deg, var(--white) 0%, var(--mint-lighter) 30%, var(--white) 55%, rgba(124,226,160,0.15) 80%, var(--white) 100%);
  --grad-wash-2: linear-gradient(180deg, var(--white) 0%, var(--mint-lighter) 50%, var(--white) 100%);
  --grad-footer: linear-gradient(135deg, var(--mint) 0%, var(--mint-dark) 100%);

  /* Signature gradients (from skill) */
  --grad-atmosphere: linear-gradient(160deg, #FFFFFF 0%, #E1F8E9 30%, #FFFFFF 55%, rgba(124,226,160,0.25) 80%, #FFFFFF 100%);
  --grad-midnight-mint: linear-gradient(135deg, #1A1A1A 0%, #2D2D2D 50%, #2EAA5C 100%);
  --grad-garden-mesh:
    radial-gradient(at 20% 20%, rgba(124,226,160,0.9) 0%, transparent 50%),
    radial-gradient(at 80% 10%, rgba(181,239,200,0.9) 0%, transparent 50%),
    radial-gradient(at 70% 80%, rgba(46,170,92,0.8) 0%, transparent 55%),
    radial-gradient(at 15% 85%, rgba(225,248,233,1) 0%, transparent 50%),
    #FFFFFF;

  /* Mint shadows */
  --shadow-mint-sm: 0 4px 12px var(--mint-glow);
  --shadow-mint-md: 0 8px 24px var(--mint-glow);
  --shadow-mint-lg: 0 20px 50px var(--mint-glow-strong);
  --shadow-glass-hover: 0 20px 50px rgba(124, 226, 160, 0.2), 0 8px 20px rgba(0, 0, 0, 0.04);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scrollbar-width: none; /* Firefox */
}

::-webkit-scrollbar {
  display: none; /* Chrome/Safari/Edge */
}

/* Custom scrollbar */
.custom-scrollbar {
  position: fixed;
  top: 0;
  right: 0;
  width: 20px;
  height: 100vh;
  z-index: 9999;
  pointer-events: auto;
}

.custom-scrollbar-thumb {
  position: absolute;
  right: 4px;
  width: 8px;
  border-radius: var(--radius-full);
  background: rgba(76, 201, 122, 0.5);
  transition: width 0.2s ease, background 0.2s ease, right 0.2s ease;
  cursor: grab;
  min-height: 40px;
}

.custom-scrollbar-thumb:active {
  cursor: grabbing;
}

.custom-scrollbar.scrolling .custom-scrollbar-thumb {
  width: 10px;
  right: 3px;
  background: rgba(46, 170, 92, 0.7);
}

.custom-scrollbar:hover .custom-scrollbar-thumb,
.custom-scrollbar.dragging .custom-scrollbar-thumb {
  width: 12px;
  right: 3px;
  background: rgba(46, 170, 92, 0.85);
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--black);
  background-color: var(--white);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--black);
}

h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 600;
}

p {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--gray);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

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

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
  font-size: inherit;
}

input, textarea, select {
  font-family: var(--font-body);
  font-size: 1rem;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--section-padding) 0;
  position: relative;
  min-height: calc(100vh - 60px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Glass card utility */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.glass-strong {
  background: var(--glass-bg-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--grad-mint);
  color: var(--black);
  box-shadow: 0 4px 15px var(--mint-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px var(--mint-glow-strong);
}

.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--black);
  border: 1.5px solid rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
  transform: translateY(-3px);
}

/* Section titles */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mint-darker);
  margin-bottom: 1rem;
}

.section-label::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--mint);
  border-radius: 50%;
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--gray);
  font-size: 1.1rem;
  max-width: 550px;
  margin-bottom: 3.5rem;
  line-height: 1.7;
}

.section-subtitle.centered {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-header .section-label {
  justify-content: center;
}

/* Utility */
.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;
}

::selection {
  background-color: var(--mint);
  color: var(--black);
}

/* Gradient backgrounds */
.bg-gradient-1 {
  background: linear-gradient(135deg, var(--mint-lighter) 0%, var(--white) 50%, rgba(124, 226, 160, 0.05) 100%);
}

.bg-gradient-2 {
  background: linear-gradient(180deg, var(--white) 0%, var(--mint-lighter) 50%, var(--white) 100%);
}