*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --yellow: #ffc107;
  --yellow-dark: #e6ac00;
  --black: #111111;
  --black-soft: #1a1a1a;
  --white: #ffffff;
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #e8e8e8;
  --gray-400: #9ca3af;
  --gray-600: #6b7280;
  --text: #222222;
  --muted: #666666;
  --whatsapp: #25d366;
  --whatsapp-dark: #1da851;
  --container: 1200px;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
  --header-height: 130px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Poppins", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

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

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

.container {
  width: min(var(--container), calc(100% - 32px));
  margin-inline: auto;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 8px;
  padding: 12px 22px;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: 0.2s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-yellow {
  background: var(--yellow);
  color: var(--black);
}

.btn-yellow:hover {
  background: var(--yellow-dark);
}

.btn-primary {
  background: var(--yellow);
  color: var(--black);
}

.btn-primary:hover {
  background: var(--yellow-dark);
}

.btn-secondary {
  background: var(--white);
  color: var(--black);
  border: 2px solid var(--gray-200);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.85);
}

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

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

.btn-whatsapp:hover {
  background: var(--whatsapp-dark);
}

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

.btn-full {
  width: 100%;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-icon svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ── Top Bar ── */
.top-bar {
  background: var(--black);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.82rem;
  padding: 8px 0;
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.top-bar-info {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.top-bar-item svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  opacity: 0.85;
}

.top-bar-item a:hover {
  color: var(--yellow);
}

.top-bar-item.maps-link svg {
  stroke: var(--yellow);
}

.top-bar-item.maps-link:hover {
  color: var(--yellow);
}

.contact-item .maps-link {
  color: var(--yellow);
  font-weight: 600;
}

.contact-item .maps-link:hover {
  text-decoration: underline;
}

.footer-social a.maps-link svg {
  stroke: var(--yellow);
}

.top-bar .btn-yellow {
  padding: 8px 18px;
  font-size: 0.82rem;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
}

.main-header {
  border-bottom: 1px solid var(--gray-200);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-icon svg {
  width: 22px;
  height: 22px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--black);
  letter-spacing: 0.06em;
}

.logo-tagline {
  font-size: 0.68rem;
  color: var(--muted);
  font-weight: 500;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--black);
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--yellow-dark);
}

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

.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  background: var(--white);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.mobile-menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--black);
  transition: 0.2s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--white);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(17, 17, 17, 0.92) 0%,
    rgba(17, 17, 17, 0.75) 45%,
    rgba(17, 17, 17, 0.55) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 56px 0 100px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--yellow);
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.12;
  font-weight: 700;
}

.hero h1 .highlight {
  color: var(--yellow);
}

.hero-desc {
  margin: 0 0 24px;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.88);
  max-width: 520px;
}

.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
}

.hero-script {
  font-family: "Caveat", cursive;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--white);
  line-height: 1.3;
  margin: 0 0 20px;
  max-width: 280px;
}

.hero-logo-watermark {
  width: 160px;
  height: 160px;
  opacity: 0.15;
}

.hero-logo-watermark svg {
  width: 100%;
  height: 100%;
}

.hero-features {
  position: relative;
  z-index: 1;
  background: rgba(17, 17, 17, 0.85);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-features-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.hero-feature {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-feature:last-child {
  border-right: 0;
}

.hero-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 193, 7, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-feature-icon svg {
  width: 18px;
  height: 18px;
  color: var(--yellow);
}

/* ── Sections ── */
.section {
  padding: 72px 0;
}

.section-alt {
  background: var(--gray-50);
}

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

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.section-title {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
  color: var(--black);
}

.section-dark .section-title {
  color: var(--white);
}

.section-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--black);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.section-link:hover {
  color: var(--yellow-dark);
}

.section-lead {
  margin: 0 0 28px;
  color: var(--muted);
  max-width: 760px;
}

.section-cta {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ── Service Cards ── */
.card-grid {
  display: grid;
  gap: 20px;
}

.card-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: 0.25s ease;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

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

.service-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-icon svg {
  width: 40px;
  height: 40px;
  color: var(--black);
}

.service-card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  color: var(--black);
}

.service-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ── Work Gallery ── */
.work-gallery {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.work-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.work-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.work-item:hover img {
  transform: scale(1.05);
}

.work-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px 12px;
  background: rgba(17, 17, 17, 0.85);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 600;
  text-align: center;
}

/* ── Why Us ── */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.why-title {
  margin: 0 0 8px;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
}

.why-underline {
  width: 60px;
  height: 4px;
  background: var(--yellow);
  margin-bottom: 32px;
  border-radius: 2px;
}

.why-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 24px;
}

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

.why-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 193, 7, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.why-icon svg {
  width: 20px;
  height: 20px;
  color: var(--yellow);
}

.why-item h3 {
  margin: 0 0 4px;
  font-size: 1rem;
  font-weight: 700;
}

.why-item p {
  margin: 0;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.review-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  color: var(--text);
  box-shadow: var(--shadow-lg);
}

.review-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.review-card-header h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--black);
}

.google-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
}

.stars {
  color: var(--yellow);
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.review-text {
  margin: 0 0 16px;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.7;
  font-style: italic;
}

.review-author {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--black);
}

.review-nav {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.review-nav button {
  width: 36px;
  height: 36px;
  border: 1px solid var(--gray-200);
  border-radius: 50%;
  background: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--black);
}

.review-nav button:hover {
  background: var(--yellow);
  border-color: var(--yellow);
}

/* ── Calculator ── */
.tesisat-calculator {
  margin-top: 0;
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 2px solid var(--yellow);
  box-shadow: var(--shadow);
}

.calculator-title {
  margin: 0 0 8px;
  color: var(--black);
  font-size: 1.25rem;
}

.calculator-desc {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 0.92rem;
}

.calculator-form {
  display: grid;
  gap: 16px;
}

.calc-row label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--black);
  font-size: 0.9rem;
}

.calc-row select,
.calc-row input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font: inherit;
  background: var(--white);
}

.calc-row select:focus,
.calc-row input:focus {
  outline: 2px solid var(--yellow);
  border-color: var(--yellow);
}

.calc-result {
  padding: 18px;
  background: var(--gray-50);
  border-radius: var(--radius);
  display: grid;
  gap: 10px;
}

.calc-result-item {
  display: flex;
  justify-content: space-between;
}

.calc-result-total {
  display: flex;
  justify-content: space-between;
  padding-top: 10px;
  border-top: 2px solid var(--yellow);
  font-weight: 700;
}

.calc-value-total {
  color: var(--black);
  font-size: 1.3rem;
}

.calc-note {
  font-size: 0.85rem;
  color: var(--muted);
}

.calc-note p {
  margin: 0;
}

.calc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.calc-ref-table-wrap {
  margin-top: 4px;
}

.calc-ref-title {
  margin: 0 0 10px;
  font-size: 0.95rem;
  color: var(--black);
}

.calc-ref-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.calc-ref-table th,
.calc-ref-table td {
  border: 1px solid var(--gray-200);
  padding: 10px 12px;
  text-align: left;
}

.calc-ref-table th {
  background: var(--black);
  color: var(--white);
  font-weight: 600;
}

.calc-ref-table tbody tr:nth-child(even) {
  background: var(--gray-50);
}

/* ── Contact / Footer Area ── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.contact-col h3 {
  margin: 0 0 20px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--black);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: var(--muted);
}

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

.contact-item a:hover {
  color: var(--yellow-dark);
}

.district-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.district-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--muted);
}

.district-list li svg {
  width: 16px;
  height: 16px;
  color: var(--yellow);
  flex-shrink: 0;
}

.map-thumb {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

.location-map-iframe {
  display: block;
  width: 100%;
  height: 180px;
  border: 0;
}

.map-btn {
  margin-top: 12px;
}

.contact-form-section {
  background: var(--gray-50);
  padding: 48px 0;
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.form-row label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--black);
  font-size: 0.9rem;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font: inherit;
  background: var(--white);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: 2px solid var(--yellow);
  border-color: var(--yellow);
}

.form-hint {
  display: block;
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--muted);
}

.form-message {
  padding: 12px;
  border-radius: 8px;
  font-size: 0.9rem;
}

.form-message.success {
  background: #dcfce7;
  color: #166534;
}

.contact-info-box {
  background: var(--black);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.contact-info-box h3 {
  margin: 0 0 16px;
  color: var(--yellow);
}

.contact-info-box p {
  margin: 0 0 12px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
}

.contact-info-box a {
  color: var(--yellow);
}

.gmb-box {
  margin: 16px 0;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
}

.gmb-box h4 {
  margin: 0 0 8px;
  font-size: 0.95rem;
}

.gmb-box p {
  margin: 0 0 12px;
  font-size: 0.85rem;
}

.gmb-box .btn {
  margin-top: 8px;
}

/* ── FAQ / Blog compact ── */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px;
}

.card h3 {
  margin: 0 0 10px;
  color: var(--black);
  font-size: 1.05rem;
}

.card h3 a {
  color: var(--black);
}

.card h3 a:hover {
  color: var(--yellow-dark);
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.card p + p.neighborhood-list {
  margin-top: 12px;
}

.neighborhood-list {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.75;
}

.service-areas-index {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-200);
}

.service-areas-index > h2 {
  margin: 0 0 0.75rem;
}

/* ── Footer ── */
.site-footer {
  background: var(--black);
  color: rgba(255, 255, 255, 0.75);
  padding: 24px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

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

.footer-logo .logo-icon {
  width: 36px;
  height: 36px;
}

.footer-logo .logo-name {
  color: var(--white);
  font-size: 0.95rem;
}

.footer-copy {
  margin: 0;
  font-size: 0.82rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
}

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

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

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.footer-social a:hover {
  background: var(--yellow);
  color: var(--black);
}

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

/* ── Article pages (blog) ── */
.article {
  max-width: 760px;
  margin: 0 auto;
  padding-bottom: 48px;
}

.article h1 {
  color: var(--black);
  line-height: 1.25;
}

.article h2 {
  color: var(--black);
  margin-top: 2rem;
}

.breadcrumb {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

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

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

/* ── Utilities ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.scroll-to-top {
  position: fixed;
  right: 18px;
  bottom: 88px;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: var(--black);
  color: var(--white);
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: 0.2s ease;
  z-index: 90;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  background: var(--yellow);
  color: var(--black);
}

.whatsapp-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 120;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 18px;
  border-radius: 999px;
  background: var(--whatsapp);
  color: var(--white);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
}

.whatsapp-float:hover {
  transform: translateY(-2px);
  background: var(--whatsapp-dark);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .work-gallery {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-features-inner {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-feature:nth-child(2) {
    border-right: 0;
  }

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

  .contact-grid .map-col {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  .top-bar-info {
    display: none;
  }

  .top-bar-inner {
    justify-content: center;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border-bottom: 1px solid var(--gray-200);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: 0.25s ease;
    max-height: calc(100vh - var(--header-height));
    overflow: auto;
    gap: 0;
  }

  .nav.nav-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav a,
  .nav .btn {
    width: 100%;
    justify-content: center;
    padding: 14px;
    border-bottom: 1px solid var(--gray-200);
  }

  .header-actions .btn-whatsapp-desktop {
    display: none;
  }

  .hero-grid,
  .why-grid,
  .contact-wrap {
    grid-template-columns: 1fr;
  }

  .hero-side {
    display: none;
  }

  .card-grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .section {
    padding: 48px 0;
  }

  .hero {
    min-height: 480px;
  }

  .hero-content {
    padding: 40px 0 80px;
  }

  .hero-btns .btn {
    width: 100%;
  }

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

  .hero-feature {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .card-grid-2,
  .card-grid-3 {
    grid-template-columns: 1fr;
  }

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

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

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .tesisat-calculator {
    padding: 20px;
  }
}