/* ============================================================
   CS TECH - Soluções Tecnológicas — Mockup de Layout (estático)
   ============================================================ */

:root {
  --green: #4CAF3E;
  --green-dark: #2E8B2A;
  --blue: #2E9BE0;
  --blue-dark: #1D6FA8;
  --yellow: #F4C430;
  --red: #E24B4B;

  --bg: #f6f9fb;
  --bg-alt: #ffffff;
  --bg-soft: #eef4f2;
  --text: #16232b;
  --text-muted: #55636b;
  --border: #e2e8ec;
  --card-bg: #ffffff;
  --header-bg: rgba(255, 255, 255, 0.85);
  --shadow: 0 10px 30px rgba(16, 40, 34, 0.08);
  --shadow-sm: 0 4px 14px rgba(16, 40, 34, 0.06);
  --radius: 16px;
  --radius-sm: 10px;
  --gradient-primary: linear-gradient(120deg, var(--green) 0%, var(--blue) 100%);
  --map-bg: #dfe9ec;
  --transition: 0.25s ease;
}

html.dark {
  --bg: #0d1420;
  --bg-alt: #121c2b;
  --bg-soft: #101a27;
  --text: #eaf1f5;
  --text-muted: #9fb0bb;
  --border: #22303f;
  --card-bg: #101c2c;
  --header-bg: rgba(13, 20, 32, 0.85);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.35);
  --map-bg: #16222f;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", "Inter", system-ui, -apple-system, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green-dark);
  background: rgba(76, 175, 62, 0.12);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}

html.dark .section-tag {
  color: #7be07a;
  background: rgba(76, 175, 62, 0.15);
}

.section-title {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-desc {
  color: var(--text-muted);
  max-width: 620px;
  margin-bottom: 46px;
  font-size: 1rem;
}

.section-head {
  text-align: center;
  margin: 0 auto;
}
.section-head .section-desc {
  margin-left: auto;
  margin-right: auto;
}

section {
  padding: 96px 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(46, 139, 42, 0.28);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(46, 139, 42, 0.36);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--border);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--green);
  color: var(--green-dark);
}

.btn-light {
  background: #fff;
  color: var(--green-dark);
}
.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.18);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.85rem;
}

/* ============ HEADER ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), border-color var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  max-width: 1180px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo img {
  height: 40px;
  width: auto;
}

.main-nav {
  display: flex;
  gap: 34px;
}

.main-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  position: relative;
  padding: 6px 2px;
  transition: color var(--transition);
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition);
  border-radius: 2px;
}
.main-nav a:hover {
  color: var(--green-dark);
}
.main-nav a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.theme-toggle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text);
  transition: background var(--transition), transform var(--transition), border-color var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover {
  transform: rotate(20deg);
  border-color: var(--green);
}
.theme-toggle svg {
  width: 20px;
  height: 20px;
}
.icon-sun { display: none; }
html.dark .icon-sun { display: block; }
html.dark .icon-moon { display: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ============ HERO / SLIDER ============ */
.hero {
  position: relative;
  margin-top: 72px;
  height: 88vh;
  min-height: 560px;
  overflow: hidden;
  background: #06121c;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.7s ease;
  display: flex;
  align-items: center;
}
.slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.55);
}
.slide-bg.bg-praia { background-image: url('assets/hero-1.png'); background-position: center 20%; }
.slide-bg.bg-system { background-image: url('assets/hero-2.png'); background-position: center; background-color: #0d1729; }
.slide-bg.bg-infra { background-image: url('assets/hero-3.png'); background-position: center; background-color: #0d1729; }
.slide-bg.bg-clientes { background-image: url('assets/hero-4.jpg'); background-position: center; background-color: #0d1729; }

.slide-content {
  position: relative;
  z-index: 3;
  color: #fff;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.slide-content .tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.35);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.slide-content h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  max-width: 640px;
  margin-bottom: 18px;
  text-shadow: 0 4px 18px rgba(0,0,0,0.35);
}

.slide-content h1 span {
  background: linear-gradient(90deg, #7be07a, #6fd0f0);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.slide-content p {
  font-size: 1.1rem;
  max-width: 520px;
  color: rgba(255,255,255,0.88);
  margin-bottom: 32px;
}

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

/* slide controls */
.slider-controls {
  position: absolute;
  z-index: 5;
  top: 50%;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  transform: translateY(-50%);
  padding: 0 20px;
  pointer-events: none;
}
.slider-arrow {
  pointer-events: all;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.12);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: background var(--transition), transform var(--transition);
}
.slider-arrow:hover {
  background: rgba(255,255,255,0.28);
  transform: scale(1.06);
}
.slider-arrow svg { width: 20px; height: 20px; }

.slider-dots {
  position: absolute;
  z-index: 5;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
}
.slider-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: background var(--transition), width var(--transition);
}
.slider-dots button.active {
  background: #fff;
  width: 26px;
  border-radius: 6px;
}

/* ============ SERVICES ============ */
.services {
  background: var(--bg);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 26px;
}

.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--green);
}

.service-image {
  margin: -30px -26px 4px;
  border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden;
}
.service-image img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  transition: transform var(--transition);
}
.service-card:hover .service-image img {
  transform: scale(1.06);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #fff;
}
.service-icon.ic-green { background: linear-gradient(135deg, var(--green), var(--green-dark)); }
.service-icon.ic-blue { background: linear-gradient(135deg, var(--blue), var(--blue-dark)); }
.service-icon.ic-yellow { background: linear-gradient(135deg, #f7d35c, var(--yellow)); color: #4a3800; }
.service-icon.ic-red { background: linear-gradient(135deg, #ea6b6b, var(--red)); }
.service-icon.ic-teal { background: linear-gradient(135deg, #3fc1a8, #1c8f7a); }

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.93rem;
  flex-grow: 1;
}

.price-tag {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-weight: 800;
  color: var(--green-dark);
  font-size: 1.05rem;
  margin-top: 4px;
}
html.dark .price-tag { color: #7be07a; }
.price-tag small {
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.plan-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--green-dark);
  text-decoration: none;
  margin-top: -6px;
}
.plan-link:hover { text-decoration: underline; }
html.dark .plan-link { color: #7be07a; }

/* ============ PLANS ============ */
.plans {
  background: var(--bg);
}
.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 26px;
  align-items: stretch;
}
.plan-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.plan-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--green);
}
.plan-card.featured {
  border-color: var(--green);
  box-shadow: var(--shadow);
  transform: scale(1.02);
}
.plan-tag {
  position: absolute;
  top: -14px;
  left: 28px;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  padding: 5px 14px;
  border-radius: 999px;
}
.plan-name {
  font-size: 1.15rem;
  font-weight: 800;
}
.plan-desc {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-top: -12px;
}
.plan-price {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.plan-price-month {
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.plan-price-month strong {
  font-size: 1.8rem;
  color: var(--green-dark);
  font-weight: 800;
}
html.dark .plan-price-month strong { color: #7be07a; }
.plan-price-month small {
  color: var(--text-muted);
  font-size: 0.85rem;
}
.plan-price-semester {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.plan-price-semester strong {
  color: var(--text);
}
.badge-save {
  display: inline-block;
  background: rgba(46, 139, 42, 0.12);
  color: var(--green-dark);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 4px;
}
html.dark .badge-save { background: rgba(123, 224, 122, 0.15); color: #7be07a; }
.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.9rem;
  flex-grow: 1;
}
.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.plan-features li::before {
  content: "✓";
  color: var(--green-dark);
  font-weight: 800;
  flex-shrink: 0;
}
html.dark .plan-features li::before { color: #7be07a; }
.plans-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 30px;
}

/* ============ ABOUT ============ */
.about {
  background: var(--bg-soft);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 34px;
}
.stat-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 12px;
  text-align: center;
}
.stat-box strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-box span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============ CLIENTS ============ */
.clients {
  background: var(--bg);
}
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 22px;
}
.client-logo {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  padding: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 130px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.client-logo:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--green);
}
.client-logo img {
  max-width: 100%;
  max-height: 90px;
  width: auto;
  object-fit: contain;
}

/* ============ TESTIMONIALS ============ */
.testimonials {
  background: var(--bg-soft);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 26px;
}
.testimonial-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--green);
}
.testimonial-card .stars {
  color: var(--yellow);
  letter-spacing: 2px;
  font-size: 0.95rem;
}
.testimonial-card > p {
  color: var(--text-muted);
  font-size: 0.95rem;
  flex-grow: 1;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-author .avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.testimonial-author strong {
  display: block;
  font-size: 0.92rem;
}
.testimonial-author span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============ FAQ ============ */
.faq {
  background: var(--bg);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition);
}
.faq-item:hover {
  border-color: var(--green);
}
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 0.98rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--green-dark);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item[open] summary::after {
  content: "\2212";
}
.faq-item p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 14px;
}

/* ============ CONTACT ============ */
.contact {
  background: var(--bg);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 40px;
  align-items: stretch;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.contact-item {
  display: flex;
  gap: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}
.contact-item .ic {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-item h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}
.contact-item p, .contact-item a {
  color: var(--text-muted);
  font-size: 0.92rem;
}
.contact-item a:hover { color: var(--green-dark); }

.map-placeholder {
  border-radius: var(--radius);
  background: var(--map-bg);
  min-height: 340px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.map-placeholder .map-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(46,139,42,0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(46,139,42,0.08) 1px, transparent 1px);
  background-size: 32px 32px;
}
.map-placeholder .pin {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--text-muted);
}
.map-placeholder .pin .pin-icon {
  width: 54px;
  height: 54px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(46,139,42,0.3);
}
.map-placeholder .pin strong {
  display: block;
  color: var(--text);
  margin-bottom: 4px;
}
.map-placeholder .pin small {
  font-size: 0.78rem;
}

/* ============ FOOTER ============ */
.site-footer {
  background: #0d1420;
  color: #cbd6dd;
  padding: 60px 0 0;
}
html:not(.dark) .site-footer { background: #10202a; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo img { height: 38px; margin-bottom: 14px; }
.footer-brand p {
  font-size: 0.9rem;
  color: #9db0bb;
  max-width: 320px;
}
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #cbd6dd;
  transition: background var(--transition), color var(--transition), transform var(--transition), border-color var(--transition);
}
.footer-social a:hover {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  transform: translateY(-3px);
}
.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 16px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col a {
  font-size: 0.88rem;
  color: #9db0bb;
  transition: color var(--transition);
}
.footer-col a:hover { color: #7be07a; }

.footer-bottom {
  text-align: center;
  padding: 22px 0;
  font-size: 0.82rem;
  color: #7f8f99;
}

/* ============ WHATSAPP FLOAT ============ */
.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 10px 26px rgba(37, 211, 102, 0.45);
  animation: wa-pulse 2.2s infinite;
}
.whatsapp-float svg { width: 30px; height: 30px; }

@keyframes wa-pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.55), 0 10px 26px rgba(37,211,102,0.35); }
  70% { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0), 0 10px 26px rgba(37,211,102,0.35); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0), 0 10px 26px rgba(37,211,102,0.35); }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
  .about-grid, .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 780px) {
  .main-nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-alt);
    flex-direction: column;
    padding: 20px 24px;
    gap: 18px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-130%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav-toggle { display: flex; }
  .header-actions .btn span.btn-text { display: none; }
  .header-actions .btn { padding: 11px; }
  section { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .slide-cta { flex-direction: column; }
  .slide-cta .btn { width: 100%; justify-content: center; }
  .slider-arrow { width: 38px; height: 38px; }
}