/* ---------- Design tokens ---------- */
:root {
  --ink: #0c2e22;
  --charcoal: #123626;
  --charcoal-soft: #18432f;
  --stone-600: #44564c;
  --stone-400: #93a89c;
  --stone-200: #d7e6dc;
  --bone: #f2faf5;
  --paper: #ffffff;
  --bronze: #1f9d55;
  --bronze-light: #2fb868;
  --bronze-soft: #d9f2e3;
  --sun: #f6b93b;
  --sun-light: #ffd66b;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(12, 46, 34, 0.08);
  --shadow-md: 0 12px 28px rgba(12, 46, 34, 0.1);
  --shadow-lg: 0 28px 56px rgba(12, 46, 34, 0.16);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Base ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bone);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 3px;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--bronze);
  margin-bottom: 0.75rem;
}

.eyebrow-light {
  color: rgba(255, 255, 255, 0.7);
}

.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 3.5rem;
}

.section-header h2 {
  font-size: clamp(1.9rem, 1.5rem + 1.6vw, 2.6rem);
}

section {
  padding: 6.5rem 2rem;
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background: var(--bronze);
  color: var(--paper);
  padding: 1rem 2rem;
  border: none;
  border-radius: 100px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: background 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.btn:hover {
  background: var(--bronze-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  font-size: 0.9rem;
  flex-shrink: 0;
  transition: background 0.2s ease;
}

.btn:hover .btn-arrow {
  background: rgba(255, 255, 255, 0.38);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.45);
  color: var(--paper);
  box-shadow: none;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.8);
  transform: translateY(-2px);
}

.btn-small {
  padding: 0.65rem 1.4rem;
  font-size: 0.88rem;
}

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--bronze), var(--sun));
  z-index: 300;
  transition: width 0.1s linear;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .scroll-progress { transition: none; }
}

/* ---------- Navbar ---------- */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(12, 46, 34, 0);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease), backdrop-filter 0.3s var(--ease);
}

#site-header.scrolled {
  background: rgba(12, 46, 34, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-md);
}

.navbar {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 2rem;
  gap: 1.5rem;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--paper);
  flex-shrink: 0;
}

.logo span {
  color: var(--sun);
}

.nav-links {
  display: flex;
  gap: 1.8rem;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  position: relative;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.3rem 0;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1.5px;
  background: var(--sun);
  transition: width 0.25s var(--ease);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--paper);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--paper);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(
      to right,
      rgba(6, 28, 16, 0.88) 0%,
      rgba(10, 38, 22, 0.78) 45%,
      rgba(10, 38, 22, 0.55) 75%,
      rgba(6, 28, 16, 0.42) 100%
    ),
    url('images/hero.jpg?v=2') center / cover no-repeat;
  color: var(--paper);
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 9rem 2rem 5rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
}

.glow-1 {
  width: 520px;
  height: 520px;
  top: -10%;
  right: -4%;
  background: radial-gradient(circle, rgba(246, 185, 59, 0.5), transparent 70%);
  animation: drift-1 17s ease-in-out infinite alternate;
}

.glow-2 {
  width: 420px;
  height: 420px;
  bottom: -14%;
  left: -6%;
  background: radial-gradient(circle, rgba(47, 184, 104, 0.28), transparent 70%);
  animation: drift-2 21s ease-in-out infinite alternate;
}

@keyframes drift-1 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-40px, 30px) scale(1.12); }
}

@keyframes drift-2 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, -24px) scale(1.06); }
}

@media (prefers-reduced-motion: reduce) {
  .glow { animation: none; }
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
}

.hero-content {
  max-width: 620px;
  text-align: left;
}

.hero h1 {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: clamp(2.8rem, 2rem + 3.5vw, 5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.4rem;
  color: var(--paper);
}

.hero-text {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.72);
  max-width: 540px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-start;
  flex-wrap: wrap;
}

/* Trust pills — individual reveals slide in from right */
.trust-pills {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  flex-shrink: 0;
}

.trust-pills .reveal {
  transform: translateX(32px);
}

.trust-pills .reveal.is-visible {
  transform: none;
}

.trust-pills .reveal:nth-child(1) { transition-delay: 0.05s; }
.trust-pills .reveal:nth-child(2) { transition-delay: 0.15s; }
.trust-pills .reveal:nth-child(3) { transition-delay: 0.25s; }
.trust-pills .reveal:nth-child(4) { transition-delay: 0.35s; }

.trust-pill {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 100px;
  padding: 0.75rem 1.5rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.88rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.trust-pill:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
}

.pill-num {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--sun);
  font-size: 1.1rem;
  min-width: 2.8rem;
}

.pill-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 50%;
  background: var(--bronze);
  color: var(--paper);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.trust-pill-accent {
  background: rgba(31, 157, 85, 0.15);
  border-color: rgba(47, 184, 104, 0.3);
}

.trust-pill-accent:hover {
  background: rgba(31, 157, 85, 0.22);
}

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  background: var(--ink);
  padding: 1.1rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 30s linear infinite;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-group {
  display: flex;
  flex-shrink: 0;
}

.marquee-group span {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.marquee-group span::after {
  content: '\25C6';
  margin: 0 2.2rem;
  color: var(--sun);
  font-size: 0.5rem;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ---------- About ---------- */
.about {
  background: var(--paper);
}

.about-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 4.5rem;
  align-items: start;
}

.about-copy h2 {
  font-size: clamp(1.8rem, 1.4rem + 1.6vw, 2.4rem);
  margin-bottom: 1.4rem;
}

.about-text {
  color: var(--stone-600);
  font-size: 1.05rem;
  margin-bottom: 2.2rem;
}

.value-list li {
  display: flex;
  align-items: baseline;
  gap: 1.1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--stone-200);
  color: var(--ink);
  font-weight: 500;
}

.value-mark {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--bronze);
  font-size: 0.95rem;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.stat-card {
  background: var(--bone);
  border-left: 3px solid var(--bronze);
  border-radius: var(--radius-sm);
  padding: 1.6rem 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  box-shadow: var(--shadow-sm);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.3rem;
  font-weight: 700;
  color: var(--ink);
}

.stat-label {
  color: var(--stone-600);
  font-size: 0.88rem;
}

/* ---------- Why Solar ---------- */
.why-solar {
  position: relative;
  background:
    linear-gradient(
      rgba(4, 20, 12, 0.78),
      rgba(4, 20, 12, 0.78)
    ),
    url('images/why-solar.jpg?v=2') center / cover no-repeat;
  background-attachment: fixed;
  color: var(--paper);
}

@media (max-width: 900px) {
  .why-solar { background-attachment: scroll; }
}

.why-solar .section-header h2 {
  color: var(--paper);
}

.why-solar .eyebrow {
  color: var(--sun);
}

.reason-grid {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.reason-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  padding: 2.4rem 2rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}

.reason-card:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-4px);
}

.reason-icon {
  width: 3rem;
  height: 3rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: rgba(246, 185, 59, 0.15);
  border-radius: 0.6rem;
  margin-bottom: 1.2rem;
  color: var(--sun);
}

.reason-icon svg {
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
}

.reason-card h3 {
  color: var(--paper);
  font-size: 1.25rem;
  margin-bottom: 0.9rem;
}

.reason-card p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.97rem;
  line-height: 1.7;
}

/* ---------- Services ---------- */
.services {
  background: var(--bone);
}

.services-grid {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.service-card {
  position: relative;
  background: var(--paper);
  padding: 2.2rem 2rem 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

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

.services-grid .service-card:nth-child(2) { transition-delay: 90ms; }
.services-grid .service-card:nth-child(3) { transition-delay: 180ms; }
.services-grid .service-card:nth-child(4) { transition-delay: 270ms; }

.service-icon {
  width: 2.8rem;
  height: 2.8rem;
  background: var(--bronze-soft);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  color: var(--bronze);
  transition: background 0.25s ease;
}

.service-card:hover .service-icon {
  background: var(--bronze);
  color: var(--paper);
}

.service-icon svg {
  width: 1.4rem;
  height: 1.4rem;
}

.service-index {
  display: block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--stone-400);
  margin-bottom: 0.6rem;
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.7rem;
}

.service-card p {
  color: var(--stone-600);
  font-size: 0.96rem;
}

/* ---------- Process ---------- */
.process {
  background: var(--paper);
}

.process-grid {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
}

.process-step {
  position: relative;
  padding-top: 1.5rem;
  border-top: 2px solid var(--stone-200);
  transition: border-color 0.3s ease;
}

.process-step:hover {
  border-color: var(--bronze);
}

.process-index {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--bronze);
  margin-bottom: 0.8rem;
}

.process-step h3 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}

.process-step p {
  color: var(--stone-600);
  font-size: 0.95rem;
}

.process-grid .process-step:nth-child(2) { transition-delay: 90ms; }
.process-grid .process-step:nth-child(3) { transition-delay: 180ms; }
.process-grid .process-step:nth-child(4) { transition-delay: 270ms; }

/* ---------- Testimonials ---------- */
.testimonials {
  background: var(--bone);
}

.testimonials-grid {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}

.testimonial-card {
  background: var(--paper);
  border-radius: var(--radius);
  padding: 2.2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

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

.testimonials-grid .testimonial-card:nth-child(2) { transition-delay: 90ms; }
.testimonials-grid .testimonial-card:nth-child(3) { transition-delay: 180ms; }

.testimonial-stars {
  color: var(--sun);
  font-size: 1rem;
  letter-spacing: 0.1em;
  margin-bottom: 1.1rem;
}

.testimonial-text {
  color: var(--stone-600);
  font-size: 0.97rem;
  line-height: 1.75;
  margin-bottom: 1.6rem;
  flex: 1;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.author-avatar {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  background: var(--bronze-soft);
  border: 2px solid var(--bronze);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--bronze);
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.95rem;
  color: var(--ink);
  font-weight: 600;
}

.testimonial-author span {
  font-size: 0.82rem;
  color: var(--stone-400);
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: var(--bronze);
  padding: 5.5rem 2rem;
}

.cta-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.cta-banner h2 {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: clamp(1.9rem, 1.5rem + 1.8vw, 2.8rem);
  letter-spacing: -0.02em;
  color: var(--paper);
  margin-bottom: 1rem;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.05rem;
  margin-bottom: 2.2rem;
}

.cta-btn {
  background: var(--paper);
  color: var(--bronze);
  font-weight: 700;
}

.cta-btn:hover {
  background: var(--bone);
}

.cta-arrow {
  background: var(--bronze-soft) !important;
  color: var(--bronze);
}

/* ---------- Contact ---------- */
.contact {
  background: var(--paper);
}

.contact-details {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.97rem;
  color: var(--stone-600);
}

.contact-detail-item svg {
  color: var(--bronze);
  flex-shrink: 0;
}

/* Phone icon — gentle ringing wiggle */
@keyframes phone-ring {
  0%, 60%, 100% { transform: rotate(0); }
  6% { transform: rotate(14deg); }
  12% { transform: rotate(-12deg); }
  18% { transform: rotate(10deg); }
  24% { transform: rotate(-8deg); }
  30% { transform: rotate(5deg); }
  36% { transform: rotate(-3deg); }
  42% { transform: rotate(0); }
}

.phone-ring {
  animation: phone-ring 2.6s ease-in-out infinite;
  transform-origin: 50% 50%;
}

@media (prefers-reduced-motion: reduce) {
  .phone-ring { animation: none; }
}

.contact-detail-item a {
  color: var(--bronze);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem 1.2rem;
  align-items: stretch;
  max-width: 860px;
  margin: 0 auto;
  background: var(--bone);
  padding: 2.4rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.form-field {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.45rem;
}

.form-full {
  grid-column: 1 / -1;
}

.contact-form label {
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--stone-600);
  padding-left: 1.2rem;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  -webkit-appearance: none;
  appearance: none;
  height: 3.25rem;
  padding: 0 1.2rem;
  border: 1.5px solid #dce4e0;
  border-radius: 50px;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.5;
  background: var(--paper);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Radio boxes */
.radio-group {
  display: flex;
  gap: 0.6rem;
}

.radio-box {
  flex: 1;
  cursor: pointer;
}

.radio-box input[type="radio"] {
  display: none;
}

.radio-box span {
  display: block;
  text-align: center;
  padding: 0.75rem 1rem;
  border: 1.5px solid #dce4e0;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--stone-600);
  background: var(--paper);
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.radio-box:hover span {
  border-color: var(--bronze);
  color: var(--bronze);
}

.radio-box input:checked + span {
  background: var(--bronze-soft);
  border-color: var(--bronze);
  color: var(--bronze);
  font-weight: 700;
}

/* Custom select */
.cs-wrap {
  position: relative;
}

.cs-trigger {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 3.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.2rem;
  border: 1.5px solid #dce4e0;
  border-radius: 50px;
  background: var(--paper);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.cs-trigger:hover {
  border-color: var(--bronze);
}

.cs-wrap.is-open .cs-trigger {
  border-color: var(--bronze);
  box-shadow: 0 0 0 3px var(--bronze-soft);
}

.cs-label {
  color: inherit;
}

.cs-trigger[data-empty="true"] .cs-label {
  color: #9ca3af;
}

.cs-arrow {
  flex-shrink: 0;
  color: var(--bronze);
  transition: transform 0.22s ease;
}

.cs-wrap.is-open .cs-arrow {
  transform: rotate(180deg);
}

.cs-list {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--paper);
  border: 1px solid var(--stone-200);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0,0,0,0.10);
  list-style: none;
  padding: 0.35rem 0;
  margin: 0;
  z-index: 200;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.cs-wrap.is-open .cs-list {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.cs-option {
  padding: 0.7rem 1rem;
  font-size: 0.97rem;
  cursor: pointer;
  color: var(--ink);
  transition: background 0.15s ease, color 0.15s ease;
}

.cs-option:hover {
  background: var(--bronze-soft);
  color: var(--bronze);
}

.cs-option.cs-selected {
  color: var(--bronze);
  font-weight: 600;
  background: var(--bronze-soft);
}

.cs-option.cs-placeholder {
  color: #9ca3af;
}

.cs-option.cs-placeholder:hover {
  background: var(--bone);
  color: #9ca3af;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--bronze);
  outline: none;
  box-shadow: 0 0 0 3px var(--bronze-soft);
}

.contact-form .btn {
  margin-top: 1.3rem;
  align-self: flex-start;
}

.form-success {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  padding: 2rem 0;
}

.form-success h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--bronze);
}

.form-success p {
  color: var(--stone-600);
  font-size: 1rem;
  max-width: 420px;
}

.form-error {
  grid-column: 1 / -1;
  background: #fff0f0;
  border: 1px solid #f5c6c6;
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.2rem;
  font-size: 0.93rem;
  color: #c0392b;
}

/* ---------- Map ---------- */
.map-section {
  background: var(--bone);
  padding: 0;
}

.map-inner {
  width: 100%;
}

.map-card {
  border-radius: 0;
  overflow: hidden;
  box-shadow: none;
}

.map-header {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: var(--ink);
  padding: 1.1rem 2rem;
}

.map-header svg {
  color: var(--sun);
  flex-shrink: 0;
}

.map-address-text {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--paper);
}

.map-embed {
  height: 420px;
  overflow: hidden;
}

.map-embed iframe {
  display: block;
  width: 100%;
  height: calc(100% + 170px);
  margin-top: -170px;
  border: 0;
}

/* ---------- FAQ ---------- */
.faq {
  background: var(--bone);
  padding-top: 0;
}

.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--paper);
  border: 1px solid var(--stone-200);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.2s var(--ease);
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
}

.faq-item[open] {
  box-shadow: var(--shadow-sm);
  border-color: var(--bronze);
}

.faq-item summary {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  flex-shrink: 0;
  color: var(--bronze);
  transition: transform 0.25s var(--ease);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item[open] summary {
  color: var(--bronze);
}

.faq-item p {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.97rem;
  line-height: 1.75;
  color: var(--stone-600);
  border-top: 1px solid var(--stone-200);
  padding-top: 1rem;
}

/* ---------- Footer ---------- */
footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.6);
  padding: 3.5rem 2rem 2rem;
  border-top: 2px solid var(--sun);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto 2rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: 2rem;
}

.footer-brand .logo {
  margin-bottom: 0.75rem;
}

.footer-tagline {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  text-align: center;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--sun);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-end;
  text-align: right;
}

.footer-phone {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--sun);
  transition: color 0.2s ease;
}

.footer-phone:hover {
  color: var(--sun-light);
}

.footer-contact span {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-phone,
.footer-contact span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-contact svg {
  color: var(--sun);
  flex-shrink: 0;
}

.footer-copy {
  max-width: 1200px;
  margin: 0 auto;
  font-size: 0.82rem;
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ---------- Scroll-to-top button ---------- */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--bronze);
  color: var(--paper);
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), background 0.2s ease;
  z-index: 50;
  pointer-events: none;
}

.scroll-top.visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.scroll-top:hover {
  background: var(--bronze-light);
  transform: translateY(-2px);
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .hero-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 2.5rem;
  }

  .trust-pills {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .trust-pill { white-space: normal; }

  .about-grid { grid-template-columns: 1fr; }

  .about-stats {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .stat-card { flex: 1 1 200px; }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    row-gap: 2.5rem;
  }

  .footer-contact { align-items: flex-start; text-align: left; }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-cta { display: none; }

  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(12, 46, 34, 0.97);
    backdrop-filter: blur(14px);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1.2rem;
  }

  .hero {
    padding-top: 8rem;
    padding-bottom: 4rem;
    align-items: flex-start;
  }

  .hero h1 { font-size: clamp(2.2rem, 1.5rem + 4vw, 3.2rem); }

  section { padding: 4.5rem 1.5rem; }

  .reason-grid { grid-template-columns: 1fr; }

  .contact-details { gap: 1.2rem; flex-direction: column; align-items: center; text-align: center; }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .footer-contact { align-items: flex-start; }

  .scroll-top {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 2.6rem;
    height: 2.6rem;
  }
}

/* ====================================================
   ERGA PAGE
   ==================================================== */

.erga-hero {
  position: relative;
  background: var(--ink);
  padding: 8rem 2rem 5rem;
  overflow: hidden;
  text-align: center;
}

.erga-hero .glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  pointer-events: none;
}

.erga-hero .glow-1 {
  width: 500px;
  height: 500px;
  background: var(--bronze);
  top: -8rem;
  left: 10%;
}

.erga-hero .glow-2 {
  width: 350px;
  height: 350px;
  background: var(--sun);
  bottom: -4rem;
  right: 12%;
}

.erga-hero-inner {
  max-width: 750px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.erga-breadcrumb {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 1.5rem;
  letter-spacing: 0.04em;
}

.erga-breadcrumb a {
  color: var(--bronze);
  text-decoration: none;
  transition: color 0.2s;
}

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

.erga-hero h1 {
  color: var(--paper);
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin-bottom: 1rem;
}

.erga-hero-sub {
  color: rgba(255, 255, 255, 0.65);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto 3rem;
}

.erga-hero-stats {
  display: flex;
  justify-content: center;
  gap: 3.5rem;
  flex-wrap: wrap;
}

.erga-stat strong {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--sun);
  font-family: 'Playfair Display', serif;
  line-height: 1;
  margin-bottom: 0.3rem;
}

.erga-stat span {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

/* Projects Grid */
.erga-section {
  background: var(--bone);
  padding: 5rem 2rem 6.5rem;
}

.erga-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.erga-card {
  background: var(--paper);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.07);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.erga-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.erga-img-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--ink);
}

.erga-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s var(--ease);
}

.erga-card:hover .erga-img-wrap img {
  transform: scale(1.05);
}

.erga-badges {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  right: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  pointer-events: none;
}

.erga-badge-kwp {
  background: var(--sun);
  color: var(--ink);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.22rem 0.65rem;
  border-radius: 50px;
  letter-spacing: 0.02em;
}

.erga-badge-type {
  background: rgba(28, 42, 53, 0.82);
  color: var(--paper);
  font-size: 0.67rem;
  font-weight: 500;
  padding: 0.22rem 0.65rem;
  border-radius: 50px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.erga-info {
  padding: 1rem 1.25rem 1.1rem;
}

.erga-info-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
}

.erga-info h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}

.erga-year {
  font-size: 0.78rem;
  color: var(--stone-600);
  font-weight: 500;
  white-space: nowrap;
}

.erga-specs {
  margin: 0.45rem 0 0;
  padding-top: 0.55rem;
  border-top: 1px solid var(--stone-200);
  font-size: 0.8rem;
  color: var(--stone-600);
  line-height: 1.45;
}

/* ERGA bottom CTA */
.erga-cta {
  background: var(--ink);
  padding: 5.5rem 2rem;
  text-align: center;
}

.erga-cta h2 {
  color: var(--paper);
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  margin-bottom: 0.8rem;
}

.erga-cta p {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 2rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* Placeholder image style when no photo is set */
.erga-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, #1c2a35 0%, #243545 100%);
  color: rgba(246, 185, 59, 0.35);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.erga-img-placeholder svg {
  opacity: 0.3;
}

@media (max-width: 960px) {
  .erga-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .erga-hero { padding: 6rem 1.5rem 3.5rem; }
  .erga-hero-stats { gap: 2rem; }
  .erga-grid { grid-template-columns: 1fr; }
  .erga-section { padding: 3.5rem 1.25rem 4.5rem; }
}