/* =============================================
   HIGHTECH POLIMER — Base Styles
   ============================================= */

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

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

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

::selection {
  background: rgba(46, 204, 113, 0.3);
  color: var(--text-primary);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -1.5px;
}

h1 {
  font-size: clamp(42px, 7vw, 96px);
  letter-spacing: -3px;
}

h2 {
  font-size: clamp(28px, 3.5vw, 48px);
}

h3 {
  font-size: clamp(18px, 2vw, 24px);
  letter-spacing: -0.5px;
}

p {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: clamp(14px, 1.2vw, 16px);
}

/* Utility Classes */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 80px);
}

.section {
  padding: var(--section-padding) 0;
  position: relative;
}

.gradient-text {
  background: var(--grad-green);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--green-300);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.label::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--green-300);
}

.section-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 540px;
  margin-bottom: 50px;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-darkest);
}

::-webkit-scrollbar-thumb {
  background: var(--green-900);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--green-700);
}

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--green-500);
  outline-offset: 2px;
}