/* ==========================================================================
   Buhlebemvelo Financial Services - Stylesheet
   ========================================================================== */

:root {
  --color-primary: #14538f;
  --color-primary-dark: #0c3a64;
  --color-primary-light: #4a9bdb;
  --color-accent: #f5b942;
  --color-accent-dark: #d99a1f;
  --color-text: #2b3440;
  --color-text-light: #6b7785;
  --color-bg-light: #f4f8fc;
  --color-bg-alt: #eef4fa;
  --color-white: #ffffff;
  --color-border: #e1e8f0;

  --font-heading: 'Poppins', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --container-width: 1180px;
  --radius: 10px;
  --shadow-sm: 0 2px 10px rgba(20, 83, 143, 0.08);
  --shadow-md: 0 8px 30px rgba(20, 83, 143, 0.12);
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  line-height: 1.7;
  background: var(--color-white);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.3;
}

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

section {
  padding: 80px 0;
}

/* ---------- Utility ---------- */
.section-tag {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-bottom: 12px;
}

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

.section-header h2 {
  font-size: clamp(28px, 4vw, 38px);
  margin-bottom: 14px;
}

.section-header p {
  color: var(--color-text-light);
  font-size: 17px;
}

.section-header.align-left {
  margin: 0 0 48px;
  text-align: left;
}

.bg-alt {
  background: var(--color-bg-alt);
}

.text-center {
  text-align: center;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--color-white);
}

.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn-secondary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-secondary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
  justify-content: center;
}

/* ---------- Top bar ---------- */
.topbar {
  background: var(--color-primary-dark);
  color: #cfe3f7;
  font-size: 14px;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 40px;
  flex-wrap: wrap;
  gap: 8px;
}

.topbar a {
  color: #cfe3f7;
  transition: var(--transition);
}

.topbar a:hover {
  color: var(--color-accent);
}

.topbar-contact {
  display: flex;
  gap: 24px;
}

.topbar-contact span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ---------- Header / Nav ---------- */
.site-header {
  background: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

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

.logo img {
  height: 78px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav-links a {
  font-weight: 600;
  font-size: 15px;
  color: var(--color-primary-dark);
  position: relative;
  padding: 6px 0;
  transition: var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: var(--transition);
}

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

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 26px;
  height: 3px;
  background: var(--color-primary-dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, var(--color-primary-light) 100%);
  color: var(--color-white);
  overflow: hidden;
  padding: 110px 0 100px;
}

.hero::before,
.hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.hero::before {
  width: 480px;
  height: 480px;
  top: -180px;
  right: -120px;
}

.hero::after {
  width: 320px;
  height: 320px;
  bottom: -160px;
  right: 220px;
  background: rgba(245, 185, 66, 0.12);
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.hero-content .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 22px;
}

.hero h1 {
  color: var(--color-white);
  font-size: clamp(34px, 5vw, 54px);
  margin-bottom: 20px;
}

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

.hero p {
  font-size: 18px;
  color: #dceaf9;
  max-width: 540px;
  margin-bottom: 32px;
}

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

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card {
  background: var(--color-white);
  color: var(--color-text);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 380px;
}

.hero-card h3 {
  font-size: 20px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.hero-stat {
  text-align: center;
  padding: 18px 10px;
  background: var(--color-bg-light);
  border-radius: var(--radius);
}

.hero-stat .num {
  font-size: 26px;
  font-weight: 800;
  color: var(--color-primary);
  display: block;
}

.hero-stat svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-primary);
  margin: 0 auto 8px;
  display: block;
}

.hero-stat .label {
  font-size: 13px;
  color: var(--color-text-light);
}

/* ---------- Trust strip ---------- */
.trust-strip {
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
}

.trust-strip .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 28px 24px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: var(--color-primary-dark);
  font-size: 15px;
}

.trust-item .icon-circle {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

/* ---------- Icon circle ---------- */
.icon-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.icon-circle svg {
  width: 26px;
  height: 26px;
  stroke: var(--color-primary);
}

/* ---------- Cards grid (generic) ---------- */
.grid {
  display: grid;
  gap: 28px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}

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

.card .icon-circle {
  margin-bottom: 20px;
}

.card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.card p {
  color: var(--color-text-light);
  font-size: 15px;
}

.card ul {
  margin-top: 14px;
  display: grid;
  gap: 8px;
}

.card ul li {
  font-size: 14px;
  color: var(--color-text-light);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.card ul li::before {
  content: '';
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-accent);
  margin-top: 6px;
  transform: rotate(45deg);
}

/* ---------- About split ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.split-media {
  position: relative;
}

.about-visual {
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius);
  padding: 50px 36px;
  color: var(--color-white);
  position: relative;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.about-visual::before {
  content: '';
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(245, 185, 66, 0.15);
  top: -90px;
  left: -90px;
}

.about-visual .quote-icon {
  font-size: 60px;
  font-family: Georgia, serif;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 10px;
}

.about-visual h3 {
  color: var(--color-white);
  font-size: 24px;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.about-visual p {
  color: #dceaf9;
  position: relative;
  z-index: 1;
}

.about-visual .signature {
  margin-top: 26px;
  font-weight: 700;
  color: var(--color-white);
  position: relative;
  z-index: 1;
}

.about-visual .signature span {
  display: block;
  font-weight: 400;
  font-size: 13px;
  color: var(--color-accent);
  margin-top: 4px;
}

.value-list {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

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

.value-item .icon-circle {
  width: 44px;
  height: 44px;
}

.value-item .icon-circle svg {
  width: 20px;
  height: 20px;
}

.value-item h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.value-item p {
  font-size: 14px;
  color: var(--color-text-light);
}

/* ---------- Mission / Vision banners ---------- */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.mv-card {
  border-radius: var(--radius);
  padding: 36px;
  background: var(--color-bg-alt);
  border-left: 5px solid var(--color-accent);
}

.mv-card.alt {
  border-left-color: var(--color-primary);
}

.mv-card h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 22px;
}

.mv-card p {
  color: var(--color-text-light);
}

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary));
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(245, 185, 66, 0.1);
  bottom: -200px;
  left: -100px;
}

.cta-band .container {
  position: relative;
  z-index: 1;
}

.cta-band h2 {
  color: var(--color-white);
  font-size: clamp(26px, 4vw, 36px);
  margin-bottom: 14px;
}

.cta-band p {
  color: #dceaf9;
  max-width: 600px;
  margin: 0 auto 28px;
  font-size: 17px;
}

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

/* ---------- Target market ---------- */
.market-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.market-item {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.market-item:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-sm);
}

.market-item .icon-circle {
  margin: 0 auto 16px;
}

.market-item h4 {
  font-size: 16px;
}

/* ---------- Process steps ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step .step-num {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 22px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}

.process-step h4 {
  font-size: 17px;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 14px;
  color: var(--color-text-light);
}

/* ---------- Team / Professional Lead ---------- */
.team-card {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  align-items: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 40px;
}

.team-photo {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--color-primary-light), var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 72px;
  font-weight: 800;
  font-family: var(--font-heading);
}

.team-info h3 {
  font-size: 26px;
  margin-bottom: 4px;
}

.team-info .role {
  color: var(--color-accent-dark);
  font-weight: 700;
  margin-bottom: 14px;
  display: block;
}

.team-info p {
  color: var(--color-text-light);
  margin-bottom: 18px;
}

.team-contact {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.team-contact a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--color-primary);
  transition: var(--transition);
}

.team-contact a:hover {
  color: var(--color-accent-dark);
}

/* ---------- Service detail blocks ---------- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  padding: 60px 0;
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: 110px;
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail:nth-child(even) .service-text {
  order: 2;
}

.service-visual {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
}

.service-visual .icon-circle {
  width: 140px;
  height: 140px;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.service-visual .icon-circle svg {
  width: 64px;
  height: 64px;
}

.service-text .section-tag {
  margin-bottom: 8px;
}

.service-text h3 {
  font-size: 28px;
  margin-bottom: 14px;
}

.service-text p {
  color: var(--color-text-light);
  margin-bottom: 18px;
}

.service-text ul {
  display: grid;
  gap: 12px;
}

.service-text ul li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-weight: 500;
}

.service-text ul li svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  stroke: var(--color-accent-dark);
  margin-top: 2px;
}

/* ---------- FAQ ---------- */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 700;
  background: var(--color-white);
  transition: var(--transition);
}

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

.faq-question .icon {
  font-size: 22px;
  color: var(--color-primary);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
  background: var(--color-bg-light);
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 20px;
  color: var(--color-text-light);
}

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
}

.contact-info {
  display: grid;
  gap: 24px;
  align-content: start;
}

.contact-info-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--color-bg-alt);
  padding: 24px;
  border-radius: var(--radius);
}

.contact-info-item h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.contact-info-item p, .contact-info-item a {
  color: var(--color-text-light);
  font-size: 15px;
}

.contact-form {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.contact-form h3 {
  margin-bottom: 8px;
  font-size: 22px;
}

.contact-form > p {
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 13px 16px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-bg-light);
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary-light);
  background: var(--color-white);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-note {
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 14px;
  text-align: center;
}

.form-success {
  display: none;
  background: #e7f6ec;
  border: 1px solid #b7e2c3;
  color: #1f7a3d;
  padding: 14px 18px;
  border-radius: 8px;
  margin-bottom: 18px;
  font-size: 14px;
  font-weight: 600;
}

.form-success.show {
  display: block;
}

.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  margin-top: 24px;
}

.map-wrap iframe {
  width: 100%;
  height: 320px;
  border: 0;
  display: block;
}

/* ---------- Page hero (sub pages) ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  padding: 70px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  top: -200px;
  right: -100px;
}

.page-hero h1 {
  color: var(--color-white);
  font-size: clamp(30px, 4.5vw, 44px);
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.breadcrumb {
  position: relative;
  z-index: 1;
  color: #cfe3f7;
  font-size: 14px;
}

.breadcrumb a {
  color: var(--color-accent);
  font-weight: 600;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: #c8d8ea;
  padding-top: 70px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo img {
  height: 66px;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  margin: 18px 0;
  font-size: 14px;
  color: #aec3da;
  max-width: 320px;
}

.footer-social,
.social-icons {
  display: flex;
  gap: 12px;
}

.footer-social a,
.social-icons a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  color: #cfe3f7;
}

.footer-social a:hover,
.social-icons a:hover {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

.footer-social svg,
.social-icons svg {
  width: 18px;
  height: 18px;
}

.topbar-links.social-icons a {
  width: 30px;
  height: 30px;
}

.topbar-links.social-icons svg {
  width: 15px;
  height: 15px;
}

.site-footer h4 {
  color: var(--color-white);
  font-size: 16px;
  margin-bottom: 20px;
}

.footer-links {
  display: grid;
  gap: 12px;
}

.footer-links a {
  font-size: 14px;
  color: #aec3da;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.footer-contact {
  display: grid;
  gap: 16px;
}

.footer-contact li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  color: #aec3da;
}

.footer-contact svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  stroke: var(--color-accent);
  margin-top: 2px;
}

.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: #93abc6;
}

.footer-bottom a {
  color: var(--color-accent);
}

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 999;
  border: none;
  cursor: pointer;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

/* ---------- WhatsApp float ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  left: 28px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 999;
  transition: var(--transition);
}

.whatsapp-float:hover {
  background: #1ebe5b;
  transform: translateY(-2px);
  color: #fff;
}

.whatsapp-float svg {
  width: 27px;
  height: 27px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 992px) {
  .hero .container,
  .split,
  .mv-grid,
  .contact-grid,
  .service-detail,
  .team-card {
    grid-template-columns: 1fr;
  }

  .service-detail:nth-child(even) .service-text {
    order: 0;
  }

  .grid-3, .grid-4, .market-grid, .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-visual {
    margin-top: 20px;
  }

  .team-photo {
    max-width: 220px;
    margin: 0 auto;
    font-size: 56px;
  }
}

@media (max-width: 768px) {
  .topbar-contact {
    gap: 14px;
  }

  .topbar-links {
    display: none;
  }

  .nav-links,
  .nav-cta .btn-secondary {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: 24px;
    gap: 18px;
    box-shadow: var(--shadow-md);
  }

  section {
    padding: 56px 0;
  }

  .grid-2, .grid-3, .grid-4, .market-grid, .process-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
    margin-bottom: 0;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .hero {
    padding: 60px 0 70px;
    text-align: center;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .cta-buttons .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }
}