/* ================================================================
   Solar Move Africa — styles.css  (cleaned, unified, mobile-first)
   ================================================================ */

/* ── 1. CSS Variables ─────────────────────────────────────────── */
:root {
  --orange:       #F97316;
  --orange-dark:  #EA580C;
  --blue:         #1D4ED8;
  --green:        #10B981;
  --dark:         #111827;
  --text:         #374151;
  --muted:        #6B7280;
  --light:        #F9FAFB;
  --white:        #FFFFFF;
  --border:       #E5E7EB;
  --shadow-sm:    0 1px 4px rgba(0,0,0,.08);
  --shadow-md:    0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:    0 10px 40px rgba(0,0,0,.14);
  --radius:       12px;
  --radius-sm:    8px;
  --nav-h:        68px;
  --font:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ease:         .25s ease;
}

/* ── 2. Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html   { scroll-behavior: smooth; font-size: 16px; }
body   { font-family: var(--font); color: var(--text); background: var(--white); line-height: 1.65; overflow-x: hidden; }
img    { max-width: 100%; height: auto; display: block; }
a      { text-decoration: none; color: inherit; }
ul,ol  { list-style: none; }
button { font-family: var(--font); cursor: pointer; }

/* ── 3. Typography ────────────────────────────────────────────── */
h1 { font-size: clamp(1.9rem, 5vw, 3.2rem); font-weight: 800; line-height: 1.15; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); font-weight: 700; line-height: 1.2; color: var(--dark); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); font-weight: 600; color: var(--dark); }
h4 { font-size: 1.05rem; font-weight: 600; color: var(--dark); }
p  { color: var(--muted); line-height: 1.75; }

/* ── 4. Layout helpers ────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 32px);
}
section { padding: clamp(48px, 7vw, 88px) 0; }
.section-title    { text-align: center; margin-bottom: .5rem; }
.section-subtitle { text-align: center; max-width: 640px; margin: 0 auto 2.5rem; font-size: 1.05rem; }

/* ── 5. Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 24px;
  border: 2px solid transparent; border-radius: var(--radius-sm);
  font-weight: 600; font-size: .9rem; white-space: nowrap;
  transition: all var(--ease);
}
.btn-primary  { background: linear-gradient(135deg,var(--orange),var(--orange-dark)); color:#fff; box-shadow: 0 4px 14px rgba(249,115,22,.35); }
.btn-primary:hover  { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(249,115,22,.45); filter: brightness(1.05); }
.btn-secondary { background: transparent; color: #fff; border-color: rgba(255,255,255,.8); }
.btn-secondary:hover { background: #fff; color: var(--orange); }
.btn-outline   { background: transparent; color: var(--orange); border-color: var(--orange); }
.btn-outline:hover { background: var(--orange); color: #fff; transform: translateY(-2px); }
.btn-lg   { padding: 14px 32px; font-size: 1rem; }
.btn-full { width: 100%; }

/* ── 6. Header / Nav ──────────────────────────────────────────── */
.header {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
  background: rgba(255,255,255,.97); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); z-index: 1000;
  transition: box-shadow var(--ease);
}
.header.scrolled { box-shadow: var(--shadow-md); }

.nav-container {
  max-width: 1200px; margin: 0 auto; height: var(--nav-h);
  padding: 0 clamp(16px,4vw,32px);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.logo-img  { width: 40px; height: 40px; object-fit: contain; border-radius: 6px; }
.logo-text { font-size: 1.2rem; font-weight: 800; }

.nav-list { display: flex; align-items: center; gap: 28px; }
.nav-link { font-weight: 500; font-size: .9rem; color: #374151; position: relative; padding-bottom: 3px; transition: color var(--ease); }
.nav-link::after { content:''; position: absolute; bottom:0; left:0; width:0; height:2px; background:var(--orange); transition: width var(--ease); }
.nav-link:hover, .nav-link.active { color: var(--orange); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 6px; background: none; border: none; }
.hamburger .bar { width: 24px; height: 2.5px; background: var(--dark); border-radius: 2px; transition: all .3s; }
.hamburger.active .bar:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active .bar:nth-child(2) { opacity: 0; }
.hamburger.active .bar:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ── 7. Hero / Slideshow ──────────────────────────────────────── */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; color: #fff; overflow: hidden;
  margin-top: var(--nav-h);
  background: linear-gradient(135deg,#0c4a6e,#1e3a5f);
}
.slideshow { position: absolute; inset: 0; z-index: 0; }
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity .9s ease; }
.slide.active { opacity: 1; }
.slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; z-index: 1; background: linear-gradient(to bottom,rgba(0,0,0,.5) 0%,rgba(0,0,0,.3) 50%,rgba(0,0,0,.6) 100%); }
.hero-content { position: relative; z-index: 2; max-width: 800px; padding: 0 clamp(16px,5vw,32px); }
.hero-title    { color: #fff; margin-bottom: 18px; text-shadow: 0 2px 12px rgba(0,0,0,.4); }
.hero-subtitle { font-size: clamp(1rem,2.5vw,1.2rem); color: rgba(255,255,255,.88); margin-bottom: 32px; }
.hero-buttons  { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

.slideshow-control {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,.2); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.3); color: #fff; font-size: 1.5rem;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--ease);
}
.slideshow-control:hover { background: rgba(255,255,255,.35); }
.slideshow-control.prev { left: clamp(12px,3vw,28px); }
.slideshow-control.next { right: clamp(12px,3vw,28px); }
.slideshow-indicators { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 3; display: flex; gap: 8px; }
.slideshow-indicators button { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.4); border: none; transition: all .3s; }
.slideshow-indicators button.active { background: #fff; width: 22px; border-radius: 4px; }

/* ── 8. Legitimacy Ribbon ─────────────────────────────────────── */
.legitimacy-ribbon { background: linear-gradient(135deg,#0c4a6e,#1e3a5f); color: #fff; padding: 10px 0; }
.ribbon-content {
  max-width: 1200px; margin: 0 auto;
  padding: 0 clamp(16px,4vw,32px);
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: .82rem;
}
.ribbon-content .info-item { opacity: .9; }
.download-link { margin-left: auto; color: #fbbf24; font-weight: 600; font-size: .82rem; }
.download-link:hover { opacity: .8; }

/* ── 9. Page Hero (inner pages) ───────────────────────────────── */
.page-header {
  background: linear-gradient(135deg,#0c4a6e 0%,#1e3a5f 60%,#0f172a 100%);
  padding: clamp(72px,10vw,110px) 0 clamp(40px,5vw,60px);
  margin-top: var(--nav-h); text-align: center; color: #fff;
}
.page-title    { color: #fff; margin-bottom: 12px; }
.page-subtitle { color: rgba(255,255,255,.8); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }

/* ── 10. Services ─────────────────────────────────────────────── */
.services-preview { background: var(--light); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px,1fr));
  gap: 24px; margin-top: clamp(24px,4vw,40px);
}
.service-card {
  background: #fff; border-radius: var(--radius); border: 1px solid var(--border);
  padding: 28px 24px; display: flex; flex-direction: column; gap: 12px;
  transition: transform var(--ease), box-shadow var(--ease);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-icon { width: 52px; height: 52px; border-radius: var(--radius-sm); background: rgba(249,115,22,.1); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: var(--orange); }
.service-title { font-size: 1.05rem; font-weight: 700; margin: 0; }
.service-description { flex: 1; font-size: .9rem; }

/* Services detail (services.html) */
.service-detail { padding: clamp(40px,6vw,72px) 0; }
.service-detail.alternate { background: var(--light); }
.service-content { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.service-heading { font-size: clamp(1.4rem,3vw,2rem); margin-bottom: 12px; }
.service-intro { font-size: 1.05rem; margin-bottom: 20px; }
.feature-list { display: flex; flex-direction: column; gap: 8px; margin: 12px 0 20px; }
.feature-list li { display: flex; align-items: center; gap: 10px; font-size: .92rem; color: var(--text); }
.feature-list .fas.fa-check { color: var(--green); flex-shrink: 0; }
.service-image img, .filled-image { width: 100%; border-radius: var(--radius); object-fit: cover; height: 360px; }
.process-steps { display: flex; flex-direction: column; gap: 14px; margin: 12px 0 20px; }
.step { display: flex; gap: 14px; align-items: flex-start; }
.step-number { width: 32px; height: 32px; border-radius: 50%; background: var(--orange); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0; font-size: .9rem; }
.step-content h4 { margin-bottom: 3px; }
.step-content p { font-size: .85rem; margin: 0; }
.example-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin: 12px 0 20px; }
.example-item { background: var(--light); border-radius: var(--radius-sm); padding: 14px; }
.example-item h4 { font-size: .9rem; margin-bottom: 4px; }
.example-item p { font-size: .82rem; margin: 0; }
.service-form { background: var(--light); border-radius: var(--radius); padding: 32px; }
.service-form h3 { margin-bottom: 20px; }

/* ── 11. Value Proposition ────────────────────────────────────── */
.value-proposition { background: #fff; }
.benefits-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 32px; margin-top: 40px; }
.benefit-item { text-align: center; }
.benefit-icon { width: 64px; height: 64px; border-radius: 50%; background: linear-gradient(135deg,var(--orange),var(--orange-dark)); display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; font-size: 1.6rem; color: #fff; box-shadow: 0 8px 20px rgba(249,115,22,.3); }
.benefit-item h3 { font-size: 1.05rem; margin-bottom: 8px; }

/* ── 12. Projects ─────────────────────────────────────────────── */
.projects { background: var(--light); }
.projects-grid,
.project-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(270px,1fr)); gap: 24px; margin-top: 32px; }
.project-card { background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); transition: transform var(--ease), box-shadow var(--ease); }
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-card > img,
.project-image { width: 100%; height: 200px; object-fit: cover; display: block; }
.project-content { padding: 20px; }
.project-content h3, .project-title { font-size: 1.05rem; margin-bottom: 8px; }
.tag, .project-status { display: inline-block; margin-top: 10px; padding: 4px 12px; border-radius: 20px; font-size: .78rem; font-weight: 600; }
.tag { background: rgba(249,115,22,.1); color: var(--orange); }
.status-current   { background: rgba(16,185,129,.12); color: #059669; }
.status-completed { background: rgba(59,130,246,.12); color: #2563eb; }
.project-detail-list { padding: 0; margin-top: 10px; }
.project-detail-list li { font-size: .9rem; color: var(--muted); margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.project-detail-list i { color: var(--blue); flex-shrink: 0; }
.project-impact { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--border); font-style: italic; font-size: .9rem; color: var(--muted); }

/* ── 13. Testimonials ─────────────────────────────────────────── */
.testimonials { background: #fff; }
.testimonial-slide { display: none; }
.testimonial-slide.active { display: block; }
.testimonial-card { max-width: 680px; margin: 0 auto; background: var(--light); border-radius: 20px; padding: clamp(24px,5vw,40px); border: 1px solid var(--border); text-align: center; }
.testimonial-stars { color: #fbbf24; font-size: 1.1rem; margin-bottom: 14px; }
.testimonial-text  { font-size: 1.05rem; font-style: italic; color: var(--text); margin-bottom: 18px; }
.testimonial-author strong { display: block; color: var(--dark); }
.testimonial-author span   { font-size: .85rem; color: var(--muted); }
.testimonial-controls { display: flex; justify-content: center; gap: 12px; margin-top: 24px; }
.testimonial-btn { width: 40px; height: 40px; border-radius: 50%; background: var(--light); border: 1px solid var(--border); color: var(--muted); font-size: .9rem; display: flex; align-items: center; justify-content: center; transition: all var(--ease); }
.testimonial-btn:hover { background: var(--orange); color: #fff; border-color: var(--orange); }

/* ── 14. CTA ──────────────────────────────────────────────────── */
.cta-section { background: linear-gradient(135deg,var(--orange) 0%,var(--orange-dark) 60%,#b91c1c 100%); color: #fff; }
.cta-content { text-align: center; max-width: 640px; margin: 0 auto; }
.cta-title   { color: #fff; margin-bottom: 14px; }
.cta-description { color: rgba(255,255,255,.88); margin-bottom: 26px; font-size: 1.05rem; }

/* ── 15. Shop ─────────────────────────────────────────────────── */
.shop-hero { background: linear-gradient(135deg,#0c4a6e,#1e3a5f); color: #fff; text-align: center; padding: clamp(72px,10vw,110px) 0 40px; margin-top: var(--nav-h); }
.shop-hero h1 { color: #fff; }
.shop-hero p  { color: rgba(255,255,255,.8); max-width: 560px; margin: 12px auto 0; }
.controls { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 12px; padding: 20px clamp(16px,4vw,32px); background: var(--light); border-bottom: 1px solid var(--border); }
.controls select, .controls input { padding: 9px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-family: var(--font); font-size: .9rem; outline: none; background: #fff; }
.controls input { min-width: 220px; }
.products-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(270px,1fr)); gap: 24px; padding: 40px clamp(16px,4vw,32px); max-width: 1200px; margin: 0 auto; }
.product-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform var(--ease), box-shadow var(--ease); }
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.product-card img { width: 100%; height: 200px; object-fit: cover; }
.card-body { padding: 18px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.card-body h3 { font-size: 1rem; margin: 0; }
.card-badge  { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: .75rem; font-weight: 600; background: rgba(249,115,22,.1); color: var(--orange); }
.card-price  { font-size: 1.2rem; font-weight: 800; color: var(--dark); }
.card-footer { padding: 0 18px 18px; }

/* ── 16. Contact ──────────────────────────────────────────────── */
.contact-layout { display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; max-width: 1000px; margin: 0 auto; padding: 60px clamp(16px,4vw,32px); }
.contact-sidebar h2 { font-size: 1.5rem; margin-bottom: 8px; }
.contact-cards { display: flex; flex-direction: column; gap: 14px; margin-top: 24px; }
.contact-card { display: flex; align-items: center; gap: 16px; padding: 18px; border-radius: var(--radius); border: 1px solid var(--border); background: #fff; transition: transform var(--ease), box-shadow var(--ease); }
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.contact-card-icon { width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; flex-shrink: 0; }
.contact-card.whatsapp .contact-card-icon { background: #e5ffe5; color: #25d366; }
.contact-card.email    .contact-card-icon { background: #e6f7ff; color: #2563eb; }
.contact-card.phone    .contact-card-icon { background: #fff7e6; color: #f97316; }
.contact-card h4 { font-size: .95rem; margin-bottom: 2px; }
.contact-card p  { font-size: .85rem; margin: 0; }
.map-box { margin-top: 24px; border-radius: var(--radius); overflow: hidden; }
.map-box iframe { width: 100%; height: 250px; border: none; display: block; }
.contact-form-box { background: var(--light); border-radius: var(--radius); padding: 32px; }
.contact-form-box h3 { margin-bottom: 20px; font-size: 1.3rem; }

/* ── 17. About ────────────────────────────────────────────────── */
.mission-row, .story-row { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding: clamp(40px,6vw,72px) 0; }
.story-row { background: var(--light); }
.story-row .container { padding-top: clamp(40px,6vw,72px); padding-bottom: clamp(40px,6vw,72px); }
.about-img { width: 100%; height: 320px; object-fit: cover; border-radius: var(--radius); }
.impact-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(160px,1fr)); gap: 20px; margin-top: 40px; }
.impact-box { background: linear-gradient(135deg,#1a73e8,#10b981); color: #fff; border-radius: var(--radius); padding: 24px; text-align: center; transition: transform var(--ease); }
.impact-box:hover { transform: translateY(-5px); }
.impact-icon   { font-size: 2rem; margin-bottom: 8px; }
.impact-number { font-size: 2.2rem; font-weight: 800; display: block; }
.impact-label  { font-size: .9rem; opacity: .9; }
.team-grid   { display: grid; grid-template-columns: repeat(auto-fit,minmax(200px,1fr)); gap: 24px; margin-top: 32px; }
.team-card   { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); padding: 22px; text-align: center; transition: transform var(--ease); }
.team-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.team-card img { width: 100%; height: 220px; object-fit: cover; object-position: top; border-radius: var(--radius-sm); margin-bottom: 12px; }
.team-card h3  { font-size: 1rem; margin-bottom: 2px; color: #10b981; }
.team-role     { font-size: .85rem; font-weight: 600; color: #1a73e8; margin-bottom: 8px; }
.team-card p   { font-size: .82rem; margin: 0; }
.values-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(180px,1fr)); gap: 20px; margin-top: 32px; }
.value-card  { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); padding: 24px; text-align: center; transition: transform var(--ease); }
.value-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.value-icon  { font-size: 2rem; color: var(--blue); margin-bottom: 10px; }
.value-card h3 { font-size: 1rem; margin-bottom: 6px; }
.value-card p  { font-size: .85rem; margin: 0; }

/* ── 18. Forms ────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .88rem; font-weight: 500; color: var(--dark); margin-bottom: 5px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 11px 13px;
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  font-family: var(--font); font-size: .92rem; color: var(--text);
  background: #fff; outline: none; transition: border-color var(--ease);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(249,115,22,.1); }
.form-group textarea { resize: vertical; min-height: 110px; }
.radio-group { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; padding: 8px 0; }
.radio-group label { display: flex; align-items: center; gap: 5px; font-weight: 400; margin-bottom: 0; }
.form-success { background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.3); color: #065f46; padding: 14px; border-radius: var(--radius-sm); margin-bottom: 14px; font-size: .9rem; }
.form-error   { background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.3); color: #991b1b; padding: 14px; border-radius: var(--radius-sm); margin-bottom: 14px; font-size: .9rem; }
.field-error  { color: #ef4444; font-size: .8rem; margin-top: 3px; }

/* ── 19. Footer ───────────────────────────────────────────────── */
.footer { background: var(--dark); color: rgba(255,255,255,.7); padding: clamp(40px,6vw,64px) 0 0; }
.footer-content { display: grid; grid-template-columns: 1.8fr repeat(3,1fr); gap: clamp(20px,3vw,44px); margin-bottom: 44px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.footer-logo .logo-img { width: 36px; height: 36px; }
.footer-logo .logo-text { color: #fff; font-size: 1.1rem; font-weight: 700; }
.footer-description { font-size: .88rem; line-height: 1.7; }
.footer-title { color: #fff; font-size: .95rem; font-weight: 700; margin-bottom: 14px; }
.footer-links li + li { margin-top: 9px; }
.footer-links a { font-size: .87rem; color: rgba(255,255,255,.55); transition: color var(--ease); }
.footer-links a:hover { color: var(--orange); }
.contact-info p { display: flex; align-items: flex-start; gap: 10px; font-size: .87rem; margin-bottom: 9px; }
.contact-info i { color: var(--orange); width: 14px; flex-shrink: 0; margin-top: 3px; }
.social-links { display: flex; gap: 10px; margin-top: 14px; }
.social-link { width: 34px; height: 34px; border-radius: 8px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.65); font-size: .88rem; transition: all var(--ease); }
.social-link:hover { background: var(--orange); border-color: var(--orange); color: #fff; transform: translateY(-2px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 18px 0; text-align: center; font-size: .82rem; color: rgba(255,255,255,.35); }

/* ── 20. Utility ──────────────────────────────────────────────── */
.scroll-progress { position: fixed; top: 0; left: 0; z-index: 2000; height: 3px; width: 0; background: linear-gradient(90deg,var(--orange),#fbbf24); transition: width .1s linear; }
.back-to-top { position: fixed; bottom: 26px; right: 26px; z-index: 900; width: 42px; height: 42px; border-radius: 50%; background: var(--orange); color: #fff; border: none; font-size: 1rem; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; box-shadow: 0 4px 14px rgba(249,115,22,.45); transition: all var(--ease); }
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { transform: translateY(-3px); }
.anim { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.anim.in { opacity: 1; transform: none; }
.faq-question { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; cursor: pointer; font-weight: 600; border-bottom: 1px solid var(--border); }
.faq-question::after { content:'+'; font-size: 1.3rem; color: var(--orange); transition: transform var(--ease); }
.faq-question.active::after { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-answer.active { max-height: 400px; }
.faq-answer p { padding: 12px 0; font-size: .93rem; }

/* ── 21. Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-content { grid-template-columns: 1fr 1fr; }
  .service-content { grid-template-columns: 1fr; }
  .service-image { order: -1; }
  .service-image img, .filled-image { height: 260px; }
  .example-grid { grid-template-columns: 1fr; }
  .mission-row, .story-row { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --nav-h: 62px; }
  .hamburger { display: flex; }
  .nav-cta   { display: none; }
  .nav-menu  {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px; z-index: 999;
    transform: translateY(-110%); opacity: 0;
    transition: transform .35s ease, opacity .35s ease;
    pointer-events: none;
  }
  .nav-menu.active { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-list  { flex-direction: column; gap: 0; }
  .nav-link  { display: block; padding: 13px 0; font-size: 1rem; border-bottom: 1px solid var(--border); }
  .nav-link::after { display: none; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .hero-buttons .btn { width: 100%; max-width: 280px; }
  .slideshow-control { display: none; }
  .footer-content { grid-template-columns: 1fr; gap: 24px; }
  .ribbon-content { flex-direction: column; gap: 6px; }
  .download-link { margin-left: 0; }
  .controls { flex-direction: column; align-items: stretch; }
  .controls input { min-width: unset; }
}
@media (max-width: 480px) {
  .services-grid, .benefits-grid, .values-grid, .team-grid, .projects-grid, .project-grid { grid-template-columns: 1fr; }
  .back-to-top { right: 14px; bottom: 14px; }
}