/* ===================================================================
   SOLSERVA GREENTECH PVT. LTD. - OFFICIAL WEBSITE DESIGN SYSTEM v3.0
   Theme: Smart Solar Monitoring, IoT Intelligence & Green Energy EPC
   Specification: Developer-Ready Content Specification (Clean & Modern)
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@500;600;700&display=swap');

:root {
  /* Brand Colors */
  --primary: #059669;
  --primary-hover: #047857;
  --primary-dark: #064e3b;
  --primary-light: #ecfdf5;
  --primary-glow: rgba(16, 185, 129, 0.28);
  
  --solar-amber: #f59e0b;
  --solar-amber-hover: #d97706;
  --solar-glow: rgba(245, 158, 11, 0.32);
  
  --tech-cyan: #0284c7;
  --tech-cyan-dark: #0369a1;
  --tech-cyan-light: #f0f9ff;
  
  --dark-navy: #09131f;
  --dark-surface: #0f1e2e;
  --dark-card: #15273b;
  --dark-border: rgba(255, 255, 255, 0.12);
  
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-alt: #f1f5f9;
  
  --text-dark: #0f172a;
  --text-muted: #475569;
  --text-light: #94a3b8;
  --text-white: #ffffff;
  
  /* Borders & Shadows */
  --border-light: #e2e8f0;
  --border-hover: #cbd5e1;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 26px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 24px 55px rgba(0, 0, 0, 0.15);
  
  /* Fonts */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
  max-width: 100vw;
}

section, [id] {
  scroll-margin-top: 100px;
}

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

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.25;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(5, 150, 105, 0.1);
  color: var(--primary);
  border: 1px solid rgba(5, 150, 105, 0.25);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.6rem);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 46px;
  line-height: 1.65;
}

.text-center {
  text-align: center;
}

.highlight {
  background: linear-gradient(135deg, #10b981 0%, #34d399 50%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.demo-data-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, 0.18);
  border: 1px solid rgba(245, 158, 11, 0.45);
  color: #d97706;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}