/* ============================================
   ROSES SRINAGAR BIOFUEL — DESIGN SYSTEM
   Premium Agri-Energy Corporate Website
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Primary Palette */
  --forest-green: #1B5E20;
  --forest-green-dark: #0D3B12;
  --forest-green-light: #2E7D32;

  /* Secondary Palette */
  --earth-brown: #5D4037;
  --earth-brown-light: #795548;
  --soil-tone: #8D6E63;
  --warm-sand: #D7CCC8;

  /* Accent */
  --energy-blue: #0277BD;
  --eco-green: #43A047;
  --eco-gradient: linear-gradient(135deg, #1B5E20 0%, #0277BD 100%);
  --energy-gradient: linear-gradient(135deg, #0277BD 0%, #00ACC1 100%);
  --nature-gradient: linear-gradient(135deg, #2E7D32 0%, #66BB6A 100%);

  /* Neutrals */
  --white: #FFFFFF;
  --off-white: #FAFAFA;
  --light-grey: #F5F5F5;
  --mid-grey: #E0E0E0;
  --text-grey: #616161;
  --dark-grey: #424242;
  --near-black: #1A1A1A;

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

  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Border Radius */
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --radius-full: 50%;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 60px rgba(0,0,0,0.16);

  /* Glass */
  --glass-bg: rgba(255,255,255,0.12);
  --glass-border: rgba(255,255,255,0.2);
  --glass-bg-dark: rgba(0,0,0,0.2);
  --glass-bg-white: rgba(255,255,255,0.85);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-smooth: 0.6s cubic-bezier(0.22, 1, 0.36, 1);

  /* Layout */
  --max-width: 1440px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--near-black);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul, ol { list-style: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--near-black);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.4rem, 3vw, 2rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.5rem); }

p {
  font-size: 1.05rem;
  color: var(--text-grey);
  max-width: 72ch;
}

.text-white { color: var(--white); }
.text-green { color: var(--forest-green); }
.text-accent { color: var(--energy-blue); }

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2.5rem;
}

.container-narrow {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ---------- Section Spacing ---------- */
.section {
  padding: var(--space-3xl) 0;
}

.section-sm {
  padding: var(--space-xl) 0;
}

.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--forest-green);
  margin-bottom: var(--space-sm);
  position: relative;
  padding-left: 40px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 2px;
  background: var(--eco-gradient);
}

.section-title {
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-grey);
  max-width: 640px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-transform: none;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--eco-gradient);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(27, 94, 32, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(27, 94, 32, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--forest-green);
  border: 2px solid var(--forest-green);
}

.btn-secondary:hover {
  background: var(--forest-green);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--white);
  color: var(--forest-green);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
}

.btn-outline-white:hover {
  background: var(--white);
  color: var(--forest-green);
}

.btn svg, .btn i {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.btn:hover svg, .btn:hover i {
  transform: translateX(3px);
}

/* ---------- Cards ---------- */
.card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card-glass {
  background: var(--glass-bg-white);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.card-dark {
  background: var(--forest-green-dark);
  color: var(--white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.card-img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  background: var(--light-grey);
}

.card-body {
  padding: var(--space-md);
}

/* ---------- Glass Panels ---------- */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.glass-panel-white {
  background: var(--glass-bg-white);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

/* ---------- Grids ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.grid-asymmetric {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: var(--space-lg);
}

.grid-asymmetric-reverse {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: var(--space-lg);
}

/* =============================================
   NAVIGATION — Full-Width, Balanced, Responsive
   ============================================= */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
}

.main-nav.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 20px rgba(0,0,0,0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 3vw, 3rem);
  max-width: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--white);
  z-index: 1001;
  flex-shrink: 0;
  white-space: nowrap;
}

.main-nav.scrolled .nav-logo {
  color: var(--forest-green);
}

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-logo-text span {
  display: block;
  font-size: 0.6rem;
  font-weight: 400;
  opacity: 0.8;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  padding: 7px 11px;
  border-radius: 8px;
  transition: all var(--transition-fast);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.main-nav.scrolled .nav-links a {
  color: var(--dark-grey);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(255,255,255,0.15);
}

.main-nav.scrolled .nav-links a:hover,
.main-nav.scrolled .nav-links a.active {
  color: var(--forest-green);
  background: rgba(27, 94, 32, 0.08);
}

.nav-cta {
  padding: 8px 20px !important;
  background: var(--white) !important;
  color: var(--forest-green) !important;
  border-radius: var(--radius-lg) !important;
  font-weight: 600 !important;
  margin-left: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.main-nav.scrolled .nav-cta {
  background: var(--forest-green) !important;
  color: var(--white) !important;
  box-shadow: 0 2px 8px rgba(27, 94, 32, 0.25);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  padding: 8px;
  border-radius: 8px;
  transition: background var(--transition-fast);
}

.nav-hamburger:hover {
  background: rgba(255,255,255,0.1);
}

.main-nav.scrolled .nav-hamburger:hover {
  background: rgba(0,0,0,0.05);
}

.nav-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.main-nav.scrolled .nav-hamburger span {
  background: var(--near-black);
}

.nav-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background: var(--forest-green-dark);
  z-index: 999;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.25rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  overflow-y: auto;
  padding: calc(var(--nav-height) + 1rem) 2rem 2rem;
}

.nav-mobile.active {
  opacity: 1;
  pointer-events: all;
}

.nav-mobile a {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: rgba(255,255,255,0.9);
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-align: center;
  width: 100%;
  max-width: 300px;
}

.nav-mobile a:hover {
  background: rgba(255,255,255,0.1);
  color: var(--white);
}

/* =============================================
   HERO SECTIONS — Fixed alignment & visibility
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,59,18,0.88) 0%, rgba(2,119,189,0.65) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 750px;
  padding-top: var(--nav-height);
}

.hero-content h1 {
  color: var(--white);
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.hero-content p {
  color: rgba(255,255,255,0.9);
  font-size: 1.15rem;
  margin-bottom: var(--space-lg);
  max-width: 580px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  align-items: center;
}

/* Page Hero (subpages) */
.page-hero {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.page-hero .hero-bg img {
  object-fit: cover;
  object-position: center;
}

.page-hero .hero-content {
  padding-top: calc(var(--nav-height) + 2rem);
  padding-bottom: var(--space-xl);
}

.page-hero .hero-content h1 {
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  margin-bottom: var(--space-sm);
}

.page-hero .hero-content p {
  font-size: 1.1rem;
}

/* ---------- Stats Bar ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
  padding: var(--space-xl) 0;
}

.stat-item {
  text-align: center;
  padding: var(--space-md);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--forest-green);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-grey);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---------- Feature Icons ---------- */
.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: var(--space-sm);
  background: rgba(27, 94, 32, 0.08);
  color: var(--forest-green);
}

.feature-icon-lg {
  width: 80px;
  height: 80px;
  font-size: 2rem;
}

/* ---------- Divider ---------- */
.divider {
  width: 60px;
  height: 3px;
  background: var(--eco-gradient);
  border-radius: 2px;
  margin: var(--space-md) 0;
}

/* ---------- Badges ---------- */
.badge {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-green {
  background: rgba(27, 94, 32, 0.1);
  color: var(--forest-green);
}

.badge-blue {
  background: rgba(2, 119, 189, 0.1);
  color: var(--energy-blue);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--near-black);
  color: rgba(255,255,255,0.75);
  padding-top: var(--space-3xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand p {
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  margin-top: var(--space-sm);
  max-width: 300px;
}

.footer-brand .footer-logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
}

.footer-brand .footer-logo span {
  color: var(--eco-green);
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
  margin-top: var(--space-md);
}

.footer-socials a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: all var(--transition-fast);
  font-size: 1rem;
}

.footer-socials a:hover {
  background: var(--forest-green);
  color: var(--white);
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-md);
}

.footer-links a {
  display: block;
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  padding: 4px 0;
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 6px;
}

.footer-newsletter p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: var(--space-sm);
}

.footer-newsletter-form {
  display: flex;
  gap: 0.5rem;
}

.footer-newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.05);
  color: var(--white);
  font-size: 0.9rem;
  outline: none;
  transition: border var(--transition-fast);
  min-width: 0;
}

.footer-newsletter-form input:focus {
  border-color: var(--eco-green);
}

.footer-newsletter-form button {
  padding: 12px 20px;
  background: var(--forest-green);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.footer-newsletter-form button:hover {
  background: var(--forest-green-light);
}

.footer-certifications {
  display: flex;
  gap: 0.75rem;
  margin-top: var(--space-md);
  flex-wrap: wrap;
}

.footer-cert {
  padding: 6px 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-credit a {
  color: var(--eco-green);
  transition: color var(--transition-fast);
}

.footer-credit a:hover {
  color: var(--white);
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--forest-green);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  border: none;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-base);
  z-index: 900;
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ---------- Forms ---------- */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--dark-grey);
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--mid-grey);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--near-black);
  background: var(--white);
  outline: none;
  transition: border var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--forest-green);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ---------- Tables ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.data-table thead {
  background: var(--forest-green);
  color: var(--white);
}

.data-table th {
  padding: 14px 16px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  text-align: left;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table td {
  padding: 14px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--mid-grey);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:nth-child(even) {
  background: var(--light-grey);
}

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--mid-grey);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.tab-btn {
  padding: 12px 24px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  background: transparent;
  color: var(--text-grey);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
}

.tab-btn.active,
.tab-btn:hover {
  color: var(--forest-green);
  border-bottom-color: var(--forest-green);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* =============================================
   RESPONSIVE — Full device coverage
   ============================================= */

/* Wide desktop — show all nav links */
@media (min-width: 1401px) {
  .nav-inner { padding: 0 3rem; }
  .nav-links a { font-size: 0.82rem; padding: 7px 12px; }
}

/* Desktop nav breakpoint — hide links, show hamburger */
@media (max-width: 1400px) {
  .nav-links a { font-size: 0.78rem; padding: 6px 8px; }
}

@media (max-width: 1280px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-mobile { display: flex; }
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .container { padding: 0 2rem; }
}

@media (max-width: 768px) {
  :root {
    --space-3xl: 4.5rem;
    --space-2xl: 3.5rem;
    --space-xl: 2.5rem;
    --nav-height: 64px;
  }

  .container { padding: 0 1.5rem; }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .grid-asymmetric,
  .grid-asymmetric-reverse { grid-template-columns: 1fr; }

  .hero { min-height: 85vh; }
  .page-hero { min-height: 45vh; }

  .hero-content { padding-top: calc(var(--nav-height) + 1.5rem); }
  .hero-content h1 { font-size: clamp(1.8rem, 6vw, 2.8rem); }
  .hero-content p { font-size: 1rem; }

  .page-hero .hero-content { padding-top: calc(var(--nav-height) + 1rem); padding-bottom: var(--space-lg); }
  .page-hero .hero-content h1 { font-size: clamp(1.6rem, 5vw, 2.4rem); }

  .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .footer-bottom { flex-direction: column; text-align: center; }

  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: fit-content; }

  .stats-bar { grid-template-columns: repeat(2, 1fr); }

  .nav-logo { font-size: 1rem; }
  .nav-logo-text span { font-size: 0.55rem; }

  /* Table horizontal scroll */
  .data-table { display: block; overflow-x: auto; }
}

@media (max-width: 480px) {
  :root {
    --space-3xl: 3.5rem;
    --space-xl: 2rem;
    --nav-height: 60px;
  }

  .container { padding: 0 1.25rem; }
  .stats-bar { grid-template-columns: 1fr; }
  .btn { padding: 12px 24px; font-size: 0.9rem; }

  .hero { min-height: 80vh; }
  .page-hero { min-height: 40vh; }

  .hero-content h1 { font-size: 1.8rem; }

  .nav-mobile a { font-size: 1rem; padding: 8px 20px; }
}