/* ============================================================
   ARIA GREEN ENERGY — Shared Design System
   A Solar Energy Division of Aria Nextgen Enterprises Pvt. Ltd.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@300;400;500;600;700;800;900&display=swap');

/* ── Design Tokens ──────────────────────────────────────── */
:root {
  --navy:        #0A2E1A;
  --navy-mid:    #123F26;
  --navy-light:  #1A5C35;
  --gold:        #F0B429;
  --gold-dark:   #D4960F;
  --gold-light:  #FDE68A;
  --white:       #F7F5EE;
  --off-white:   #EEF1EC;
  --slate:       #EEF1EC;
  --text:        #14241B;
  --text-muted:  #5C6B62;
  --text-light:  #7A8B81;
  --green:       #22C55E;
  --green-light: #A9E8C3;
  --border:      #E2E6DF;
  --border-dark: #C8CFC5;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:   0 4px 16px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg:   0 12px 40px rgba(0,0,0,.14), 0 4px 12px rgba(0,0,0,.08);
  --shadow-gold: 0 4px 24px rgba(240,180,41,.30);
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   32px;
  --transition:  all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --font-display:'Nunito', system-ui, sans-serif;
  --font-body:   'Nunito', system-ui, sans-serif;
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; font-family: var(--font-body); font-weight: 600; }
p  { font-weight: 400; }

.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--gold);
  margin-bottom: 14px;
}
.section-label::before {
  content: ''; display: inline-block;
  width: 28px; height: 2px; background: var(--gold);
}

/* ── Layout Utilities ───────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 40px; }
.section { padding: 88px 0; }
.section-sm { padding: 56px 0; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.flex { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.text-center { text-align: center; }
.text-white { color: var(--white); }
.text-gold { color: var(--gold); }
.text-muted { color: var(--text-muted); }
.mb-4  { margin-bottom: 4px; }
.mb-8  { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }

/* ── Background Variants ─────────────────────────────────── */
.bg-navy    { background: var(--navy); color: var(--white); }
.bg-slate   { background: var(--slate); }
.bg-white   { background: var(--white); }
.bg-pattern {
  background-color: var(--navy);
  background-image: radial-gradient(circle at 20% 30%, rgba(240,180,41,0.08) 0%, transparent 50%),
                    radial-gradient(circle at 80% 70%, rgba(26,167,79,0.06) 0%, transparent 50%);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 0.95rem; font-weight: 600;
  letter-spacing: 0.02em; transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold); color: var(--navy);
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover {
  background: var(--gold-dark); transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(240,180,41,.40);
}
.btn-outline {
  border: 2px solid var(--white); color: var(--white);
}
.btn-outline:hover {
  background: var(--white); color: var(--navy); transform: translateY(-2px);
}
.btn-outline-gold {
  border: 2px solid var(--gold); color: var(--gold);
}
.btn-outline-gold:hover {
  background: var(--gold); color: var(--navy); transform: translateY(-2px);
}
.btn-navy {
  background: var(--navy); color: var(--white);
}
.btn-navy:hover {
  background: var(--navy-light); transform: translateY(-2px);
}
.btn-sm { padding: 10px 22px; font-size: 0.88rem; }
.btn svg { width: 18px; height: 18px; }

/* ── Navigation ──────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10, 46, 26, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(10, 46, 26, 0.99);
  box-shadow: 0 4px 24px rgba(0,0,0,.25);
}
.navbar-inner {
  display: flex; align-items: center;
  justify-content: space-between;
  height: 72px; padding: 0 40px;
  max-width: 1400px; margin: 0 auto;
}
.navbar-logo {
  display: flex; align-items: center; gap: 12px;
}
.navbar-logo .logo-img {
  width: 40px; height: 40px; border-radius: 8px;
  object-fit: contain; flex-shrink: 0;
}
.navbar-logo .logo-text {
  display: flex; flex-direction: column; gap: 0;
}
.navbar-logo .logo-name {
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 700;
  color: var(--white); line-height: 1.1;
}
.navbar-logo .logo-sub {
  font-size: 0.65rem; color: var(--gold); font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.navbar-nav {
  display: flex; align-items: center; gap: 4px;
}
.navbar-nav a {
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 500; color: rgba(255,255,255,0.82);
  transition: var(--transition); letter-spacing: 0.01em;
}
.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--gold); background: rgba(240,180,41,0.10);
}
.navbar-cta {
  background: var(--green); color: var(--navy) !important;
  font-weight: 600 !important; padding: 10px 22px !important;
  border-radius: var(--radius-sm);
}
.navbar-cta:hover {
  background: #1AA74F !important;
  color: var(--navy) !important;
}
.navbar-hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.navbar-hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px; transition: var(--transition);
}

/* ── Page Hero (inner pages) ─────────────────────────────── */
.page-hero {
  padding: 144px 0 72px;
  background: var(--navy);
  background-image: linear-gradient(135deg, #0A2E1A 0%, #123F26 60%, #1A5C35 100%);
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(240,180,41,.08) 0%, transparent 70%);
}
.page-hero .container { position: relative; }
.page-hero-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--gold); margin-bottom: 16px;
}
.page-hero-label::before {
  content: ''; width: 24px; height: 2px; background: var(--gold);
}
.page-hero h1 { color: var(--white); margin-bottom: 16px; }
.page-hero p { color: rgba(255,255,255,0.70); font-size: 1.1rem; max-width: 600px; }
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.82rem; color: rgba(255,255,255,0.50);
  margin-bottom: 20px;
}
.breadcrumb a { color: rgba(255,255,255,0.50); transition: var(--transition); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { color: var(--gold); }

/* ── Cards ──────────────────────────────────────────────── */
.card {
  background: #FFFFFF; border-radius: var(--radius-md);
  border: 1px solid var(--border); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md); transform: translateY(-4px);
  border-color: var(--border-dark);
}
.card-icon {
  width: 52px; height: 52px; border-radius: 12px;

  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 18px; flex-shrink: 0;
}
.card-icon-navy {
  background: linear-gradient(135deg, var(--navy-light), var(--navy));
}
.card-icon-green {
  background: linear-gradient(135deg, #22C55E, var(--green));
}

/* ── Stats ──────────────────────────────────────────────── */
.stat-block { text-align: center; }
.stat-block .stat-number {
  font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700; color: var(--gold); line-height: 1;
}
.stat-block .stat-label {
  font-size: 0.88rem; color: rgba(255,255,255,0.65); margin-top: 6px;
  font-weight: 400; letter-spacing: 0.02em;
}
.stat-divider {
  width: 1px; background: rgba(255,255,255,0.12);
  align-self: stretch; margin: 8px 0;
}

/* ── Forms ──────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block; font-size: 0.88rem; font-weight: 600;
  color: var(--text); margin-bottom: 8px; letter-spacing: 0.01em;
}
.form-control {
  width: 100%; padding: 12px 16px;
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 0.95rem; color: var(--text);
  background: var(--white); transition: var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--gold); box-shadow: 0 0 0 3px rgba(240,180,41,.12);
}
.form-control::placeholder { color: var(--text-light); }
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
  padding-right: 44px;
}
textarea.form-control { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.form-error { font-size: 0.82rem; color: #DC2626; margin-top: 4px; }
.form-success {
  padding: 16px 20px; background: var(--green-light);
  border-radius: var(--radius-sm); border-left: 4px solid var(--green);
  color: #0A5C35; font-weight: 500; margin-bottom: 20px;
  display: none;
}

/* ── Checkmarks / lists ──────────────────────────────────── */
.check-list { display: flex; flex-direction: column; gap: 10px; }
.check-list li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 0.95rem; color: var(--text-muted);
}
.check-list li::before {
  content: '✓'; flex-shrink: 0; width: 20px; height: 20px;
  background: var(--green-light); color: var(--green);
  border-radius: 50%; font-size: 0.75rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin-top: 1px;
}

/* ── Tags / Badges ──────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: 4px 12px; border-radius: 999px;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.04em;
}
.badge-gold { background: rgba(240,180,41,0.12); color: var(--gold-dark); }
.badge-green { background: var(--green-light); color: var(--green); }
.badge-navy { background: rgba(10,46,26,0.08); color: var(--navy); }

/* ── Process Steps ──────────────────────────────────────── */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.process-steps::before {
  content: ''; position: absolute;
  top: 28px; left: calc(12.5% + 28px); right: calc(12.5% + 28px);
  height: 2px; background: linear-gradient(90deg, var(--gold), var(--gold-light));
  z-index: 0;
}
.process-step { text-align: center; position: relative; z-index: 1; padding: 0 12px; }
.process-step-num {
  width: 56px; height: 56px; border-radius: 50%;

  color: var(--navy); font-family: var(--font-display);
  object-fit: contain; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px; box-shadow: var(--shadow-gold);
}
.process-step h4 { font-size: 0.95rem; margin-bottom: 8px; }
.process-step p { font-size: 0.85rem; color: var(--text-muted); }

/* ── Footer ─────────────────────────────────────────────── */
footer {
  background: var(--navy);
  background-image: linear-gradient(180deg, #0A2E1A 0%, #071A0E 100%);
  color: var(--white); padding: 72px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px; padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .footer-logo-img {
  width: 48px; height: 48px; border-radius: 10px;
  object-fit: contain; margin-bottom: 12px;
}
.footer-brand .footer-logo-name {
  font-family: var(--font-display); font-size: 1.4rem; font-weight: 700;
  color: var(--white); margin-bottom: 4px;
}
.footer-brand .footer-logo-sub {
  font-size: 0.72rem; color: rgba(255,255,255,0.45); font-weight: 500;
  letter-spacing: 0.10em; text-transform: uppercase; margin-bottom: 4px;
}
.footer-brand .footer-tagline {
  font-size: 0.78rem; color: var(--gold); font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 16px;
}
.footer-brand p {
  font-size: 0.9rem; color: rgba(255,255,255,0.55); line-height: 1.7;
  margin-bottom: 20px;
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; color: rgba(255,255,255,0.65);
  transition: var(--transition);
}
.footer-social a:hover {
  border-color: var(--gold); color: var(--gold);
  background: rgba(240,180,41,0.08);
}
.footer-col h5 {
  font-family: var(--font-body); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold);
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  font-size: 0.9rem; color: rgba(255,255,255,0.55); transition: var(--transition);
}
.footer-col ul a:hover { color: var(--white); padding-left: 4px; }
.footer-contact-item {
  display: flex; align-items: flex-start; gap: 12px;
  margin-bottom: 14px;
}
.footer-contact-item .icon {
  width: 32px; height: 32px; border-radius: 6px;
  background: rgba(240,180,41,0.12); color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; flex-shrink: 0;
}
.footer-contact-item .info {
  font-size: 0.88rem; color: rgba(255,255,255,0.55); line-height: 1.5;
}
.footer-contact-item .info strong {
  display: block; color: rgba(255,255,255,0.85); font-size: 0.82rem;
  font-weight: 600; margin-bottom: 2px; text-transform: uppercase;
  letter-spacing: 0.05em;
}
.footer-bottom {
  padding: 20px 0;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.82rem; color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: rgba(255,255,255,0.35); transition: var(--transition); }
.footer-bottom a:hover { color: var(--gold); }
.footer-bottom-links { display: flex; gap: 24px; }

/* ── Highlight Box ──────────────────────────────────────── */
.highlight-box {
  background: linear-gradient(135deg, rgba(240,180,41,0.08), rgba(240,180,41,0.04));
  border: 1px solid rgba(240,180,41,0.20); border-radius: var(--radius-md);
  padding: 28px 32px;
}
.highlight-box-navy {
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  border: 1px solid rgba(255,255,255,0.08); color: var(--white);
}

/* ── Divider ─────────────────────────────────────────────── */
.divider {
  width: 64px; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px; margin: 16px 0 24px;
}
.divider-center { margin: 16px auto 24px; }

/* ── Table scroll (mobile) ──────────────────────────────── */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius-sm); }
.table-scroll table { min-width: 520px; }

/* ── Alert Banner ────────────────────────────────────────── */
.alert-banner {
  background: linear-gradient(90deg, var(--navy-light), var(--navy));
  border-left: 4px solid var(--gold); padding: 16px 24px;
  border-radius: var(--radius-sm); display: flex; align-items: center; gap: 12px;
  font-size: 0.9rem; color: rgba(255,255,255,0.85);
}
.alert-banner strong { color: var(--gold); }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .process-steps::before { display: none; }
  .navbar-inner { padding: 0 24px; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-sm { padding: 40px 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .navbar-nav { display: none; flex-direction: column; position: fixed;
    top: 72px; left: 0; right: 0; background: rgba(10,46,26,0.98);
    padding: 20px 24px; border-bottom: 1px solid rgba(255,255,255,0.08);
    gap: 2px; }
  .navbar-nav.open { display: flex; }
  .navbar-nav a { display: block; padding: 12px 16px; min-height: 44px; display: flex; align-items: center; }
  .navbar-hamburger { display: flex; }
  .page-hero { padding: 120px 0 56px; }
  .process-steps { grid-template-columns: 1fr; }
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }
  .container-wide { padding: 0 20px; }

  /* Hero — home page */
  .hero-content { padding: 40px 0; max-width: 100%; }
  .hero-sun { display: none; }
  .hero-stats { flex-wrap: wrap; gap: 20px; padding-top: 28px; }
  .hero-stat { padding-right: 0 !important; margin-right: 0 !important;
    border-right: none !important; flex: 1 1 120px; }
  .hero-actions { flex-direction: column; gap: 12px; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  /* Navbar logo — hide tagline on small screens to prevent overflow */
  .navbar-logo .logo-sub { display: none; }

  /* Quick nav (services page) */
  .quick-nav { flex-wrap: wrap; gap: 8px; }
  .quick-nav .btn { font-size: 0.8rem; padding: 8px 14px; }

  /* Card padding */
  .service-card { padding: 28px 20px; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .btn { padding: 12px 24px; font-size: 0.88rem; }
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.55rem; }
  h3 { font-size: 1.1rem; }
  .page-hero h1 { font-size: 1.75rem; }
  .hero-stat-num { font-size: 1.6rem; }
  .hero-stat-label { font-size: 0.75rem; }
  .result-value { font-size: 1.8rem; }
  .navbar-logo .logo-name { font-size: 1rem; }
}

/* ── Animations ─────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
  50%       { box-shadow: 0 0 0 12px rgba(34,197,94,0); }
}
.animate-fade-up { animation: fadeInUp 0.7s ease-out both; }
.animate-fade-up-2 { animation: fadeInUp 0.7s 0.15s ease-out both; }
.animate-fade-up-3 { animation: fadeInUp 0.7s 0.30s ease-out both; }
.animate-fade    { animation: fadeIn  0.7s ease-out both; }

/* ── Scroll animations (JS-toggled) ─────────────────────── */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Tooltip / Certifications ────────────────────────────── */
.cert-list { display: flex; flex-wrap: wrap; gap: 12px; }
.cert-badge {
  padding: 8px 16px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--white);
  font-size: 0.82rem; font-weight: 600; color: var(--text-muted);
  display: flex; align-items: center; gap: 8px;
}
.cert-badge::before {
  content: '✓'; width: 18px; height: 18px; border-radius: 50%;
  background: var(--green-light); color: var(--green);
  font-size: 0.7rem; display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}