/* ============================================================
   ISAKIEL ENERGY — Main Stylesheet
   Brand Colors:
     Primary Green  : #1B5E20
     Secondary Green: #4CAF50
     Gold Accent    : #F9A825
     Dark           : #0D1117
     Light Grey     : #F5F7F2
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --green-dark:   #1B5E20;
  --green-mid:    #2E7D32;
  --green-light:  #4CAF50;
  --gold:         #F9A825;
  --gold-dark:    #E65100;
  --dark:         #0D1117;
  --dark-card:    #1A1F2E;
  --text-primary: #1A1A1A;
  --text-muted:   #5C6370;
  --bg-light:     #F5F7F2;
  --bg-white:     #FFFFFF;
  --border:       #E0E6DC;
  --shadow-sm:    0 2px 8px rgba(0,0,0,0.06);
  --shadow-md:    0 4px 20px rgba(0,0,0,0.10);
  --shadow-lg:    0 8px 40px rgba(0,0,0,0.14);
  --radius-sm:    6px;
  --radius-md:    12px;
  --radius-lg:    20px;
  --transition:   0.3s ease;
  --font-body:    'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-heading: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --max-width:    1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

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

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

h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.2rem; }
h5 { font-size: 1rem; }

p { color: var(--text-muted); line-height: 1.75; }

/* ---------- Layout Utilities ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section--dark {
  background: var(--dark);
}

.section--light {
  background: var(--bg-light);
}

.section--green {
  background: var(--green-dark);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-header .eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-light);
  background: rgba(76, 175, 80, 0.12);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section--dark .section-header h2,
.section--green .section-header h2 {
  color: #fff;
}

.section--dark .section-header p,
.section--green .section-header p {
  color: rgba(255,255,255,0.7);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--green-light);
  color: #fff;
  border-color: var(--green-light);
}
.btn-primary:hover {
  background: var(--green-mid);
  border-color: var(--green-mid);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(76,175,80,0.35);
}

.btn-gold {
  background: var(--gold);
  color: var(--dark);
  border-color: var(--gold);
}
.btn-gold:hover {
  background: #FFB300;
  border-color: #FFB300;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249,168,37,0.40);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.10);
  border-color: #fff;
}

.btn-outline-green {
  background: transparent;
  color: var(--green-dark);
  border-color: var(--green-dark);
}
.btn-outline-green:hover {
  background: var(--green-dark);
  color: #fff;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.05rem;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.nav.scrolled .nav__logo-text {
  color: var(--green-dark);
}

.nav.scrolled .nav__links a {
  color: var(--text-primary);
}

.nav.scrolled .nav__links a:hover {
  color: var(--green-light);
}

.nav.scrolled .nav__hamburger span {
  background: var(--text-primary);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav__logo-icon {
  width: 42px;
  height: 42px;
  background: var(--green-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.nav__logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.nav__logo-text span {
  color: var(--gold);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav__links a {
  color: rgba(255,255,255,0.90);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--gold);
  background: rgba(249,168,37,0.10);
}

.nav__cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  transition: all var(--transition);
  border-radius: 2px;
}

.nav__mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  padding: 20px 24px;
  box-shadow: var(--shadow-lg);
  flex-direction: column;
  gap: 4px;
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile a {
  color: var(--text-primary);
  font-weight: 500;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav__mobile a:hover {
  background: var(--bg-light);
  color: var(--green-dark);
}

.nav__mobile .btn {
  margin-top: 12px;
  justify-content: center;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--green-dark) 0%, #0D3B10 60%, #1A1F2E 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%234CAF50' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 80px;
  background: var(--bg-white);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(249,168,37,0.12);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 24px;
  border: 1px solid rgba(249,168,37,0.25);
}

.hero h1 {
  color: #fff;
  margin-bottom: 24px;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.1;
}

.hero h1 span {
  color: var(--gold);
}

.hero p {
  color: rgba(255,255,255,0.80);
  font-size: 1.1rem;
  margin-bottom: 40px;
  max-width: 560px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  flex-wrap: wrap;
}

.hero__stat {
  text-align: left;
}

.hero__stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 4px;
}

.hero__stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  font-weight: 500;
}

/* ---------- Cards ---------- */
.card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  background: rgba(76,175,80,0.10);
}

.card__icon--gold {
  background: rgba(249,168,37,0.12);
}

/* ---------- Products Grid ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.product-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--green-light), var(--gold));
  transform: scaleX(0);
  transition: transform var(--transition);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--green-light);
}

.product-card:hover::before {
  transform: scaleX(1);
}

.product-card__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.product-card h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
}

.product-card p {
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.product-card__brands {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.brand-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(27,94,32,0.08);
  color: var(--green-dark);
  border: 1px solid rgba(27,94,32,0.15);
}

/* ---------- Features / Why Section ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.feature-card {
  padding: 36px;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: var(--green-light);
  box-shadow: var(--shadow-md);
}

.feature-card .number {
  font-size: 3rem;
  font-weight: 900;
  color: rgba(76,175,80,0.15);
  line-height: 1;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

/* ---------- Comparison Table ---------- */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.compare-table th {
  padding: 20px 24px;
  text-align: left;
  font-size: 0.9rem;
  font-weight: 700;
}

.compare-table th:first-child {
  background: var(--bg-light);
  color: var(--text-muted);
}

.compare-table th.col-isakiel {
  background: var(--green-dark);
  color: #fff;
}

.compare-table th.col-others {
  background: #455A64;
  color: #fff;
}

.compare-table td {
  padding: 16px 24px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
}

.compare-table td:first-child {
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-light);
}

.compare-table td.col-isakiel {
  background: rgba(76,175,80,0.06);
  color: var(--green-dark);
  font-weight: 600;
}

.compare-table td.col-others {
  color: var(--text-muted);
}

.check { color: var(--green-light); }
.cross { color: #EF5350; }

/* ---------- Testimonials ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.testimonial-card {
  background: var(--dark-card);
  border-radius: var(--radius-md);
  padding: 36px;
  border: 1px solid rgba(255,255,255,0.06);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 24px;
  right: 32px;
  font-size: 6rem;
  color: rgba(76,175,80,0.15);
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-card p {
  color: rgba(255,255,255,0.80);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-author__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-dark), var(--green-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.testimonial-author__name {
  font-weight: 700;
  color: #fff;
  font-size: 0.9rem;
}

.testimonial-author__role {
  font-size: 0.8rem;
  color: var(--gold);
}

.stars {
  color: var(--gold);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
  border-radius: var(--radius-lg);
  padding: 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: rgba(249,168,37,0.08);
  border-radius: 50%;
}

.cta-banner h2 {
  color: #fff;
  margin-bottom: 16px;
}

.cta-banner p {
  color: rgba(255,255,255,0.75);
  max-width: 520px;
  margin: 0 auto 36px;
}

.cta-banner__actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- About Page ---------- */
.about-hero {
  background: linear-gradient(135deg, var(--green-dark), #1A1F2E);
  padding: 140px 0 80px;
  text-align: center;
}

.about-hero h1, .page-hero h1 {
  color: #fff;
  margin-bottom: 16px;
}

.about-hero p, .page-hero p {
  color: rgba(255,255,255,0.75);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.1rem;
}

.page-hero {
  background: linear-gradient(135deg, var(--green-dark), #1A1F2E);
  padding: 140px 0 80px;
  text-align: center;
}

.founder-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.founder-photo {
  position: relative;
}

.founder-photo__placeholder {
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  border: 2px dashed rgba(255,255,255,0.20);
}

.founder-photo__placeholder .icon {
  font-size: 4rem;
}

.founder-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--gold);
  color: var(--dark);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: var(--shadow-md);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.value-card {
  padding: 28px;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  text-align: center;
  transition: all var(--transition);
}

.value-card:hover {
  border-color: var(--green-light);
  transform: translateY(-4px);
}

.value-card .icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.value-card h4 {
  margin-bottom: 8px;
  color: var(--green-dark);
}

/* ---------- Products Page ---------- */
.product-detail-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.product-detail-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.product-detail-card__image {
  height: 200px;
  background: linear-gradient(135deg, var(--bg-light), #E8F5E9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  border-bottom: 1px solid var(--border);
}

.product-detail-card__body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-detail-card__specs {
  margin: 16px 0 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-row .spec-label {
  color: var(--text-muted);
  font-weight: 500;
}

.spec-row .spec-value {
  font-weight: 600;
  color: var(--green-dark);
}

.product-category-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--border);
}

.product-category-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
}

/* ---------- Installer / Partner Section ---------- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 56px;
}

.benefit-card {
  padding: 32px 28px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition);
}

.benefit-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--gold);
  transform: translateY(-4px);
}

.benefit-card .icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.benefit-card h4 {
  color: #fff;
  margin-bottom: 10px;
  font-size: 1rem;
}

.benefit-card p {
  color: rgba(255,255,255,0.65);
  font-size: 0.85rem;
}

/* ---------- Warranty / Steps ---------- */
.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  left: 27px;
  top: 50px;
  bottom: 50px;
  width: 2px;
  background: linear-gradient(to bottom, var(--green-light), var(--gold));
}

.step {
  display: flex;
  gap: 32px;
  position: relative;
  z-index: 1;
  padding: 24px 0;
}

.step__number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-dark), var(--green-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 0 6px var(--bg-white), 0 0 0 8px var(--green-light);
}

.step__content {
  padding-top: 12px;
}

.step__content h4 {
  margin-bottom: 8px;
  font-size: 1.1rem;
  color: var(--green-dark);
}

/* ---------- Contact Page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-item__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(27,94,32,0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  color: var(--green-dark);
}

.contact-item h4 {
  margin-bottom: 4px;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-item p, .contact-item a {
  color: var(--text-primary);
  font-weight: 500;
}

.contact-item a:hover {
  color: var(--green-light);
}

/* ---------- Form Styles ---------- */
.form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 14px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--green-light);
  box-shadow: 0 0 0 3px rgba(76,175,80,0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-success {
  display: none;
  background: rgba(76,175,80,0.10);
  border: 1px solid var(--green-light);
  border-radius: var(--radius-sm);
  padding: 20px;
  color: var(--green-dark);
  font-weight: 600;
  text-align: center;
}

/* ---------- WhatsApp Float Button ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  transition: all var(--transition);
  text-decoration: none;
  font-size: 1.6rem;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.55);
}

.whatsapp-float::before {
  content: 'Chat on WhatsApp';
  position: absolute;
  right: 72px;
  background: #1A1F2E;
  color: #fff;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.whatsapp-float:hover::before {
  opacity: 1;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.75);
  padding: 64px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer__brand p {
  margin-top: 16px;
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer__heading {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__links a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--gold);
}

.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition);
  color: rgba(255,255,255,0.75);
}

.social-link:hover {
  background: var(--green-light);
  color: #fff;
  transform: translateY(-2px);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer__bottom p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
}

.footer__bottom a {
  color: rgba(255,255,255,0.45);
  font-size: 0.85rem;
  transition: color var(--transition);
}

.footer__bottom a:hover {
  color: var(--gold);
}

/* ---------- Badges / Tags ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
}

.badge-green {
  background: rgba(76,175,80,0.12);
  color: var(--green-dark);
  border: 1px solid rgba(76,175,80,0.25);
}

.badge-gold {
  background: rgba(249,168,37,0.12);
  color: #A67B00;
  border: 1px solid rgba(249,168,37,0.30);
}

/* ---------- FAQ Accordion ---------- */
.faq {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  text-align: left;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition);
}

.faq-question:hover {
  background: var(--bg-light);
}

.faq-question .faq-icon {
  font-size: 1.2rem;
  color: var(--green-light);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-question.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
}

.faq-answer.open {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 0.9rem;
  line-height: 1.75;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.60);
  justify-content: center;
  margin-top: 16px;
}

.breadcrumb a {
  color: rgba(255,255,255,0.60);
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--gold);
}

.breadcrumb span { color: rgba(255,255,255,0.35); }

/* ---------- Map Placeholder ---------- */
.map-placeholder {
  width: 100%;
  height: 320px;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 2px dashed var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 32px;
}

.map-placeholder .icon {
  font-size: 2.5rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .founder-section {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .hero__stats { gap: 28px; }
  .cta-banner { padding: 40px 24px; }
  .footer__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .steps::before { display: none; }
  .compare-table { font-size: 0.8rem; }
  .compare-table th, .compare-table td { padding: 12px 16px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.9rem; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { justify-content: center; }
  .btn-lg { padding: 14px 24px; }
  .cta-banner::before { display: none; }
  .whatsapp-float { bottom: 20px; right: 20px; }
}