/* ==========================================================================
   COLD FAB INFRA SOLUTIONS - Corporate Industrial Static Stylesheet
   Modern, Premium Industrial Engineering Aesthetics
   ========================================================================== */

:root {
  --navy: #071A2B;
  --navy-dark: #040E18;
  --navy-surface: #091E32;
  --navy-card: #0B253F;
  --blue: #1261A0;
  --bright-blue: #1688D8;
  --sky: #38BDF8;
  --steel: #66727C;
  --slate-300: #CBD5E1;
  --slate-400: #94A3B8;
  --slate-500: #64748B;
  --light-grey: #F3F6F8;
  --white: #FFFFFF;
  --yellow: #F5B700;
  --emerald: #10B981;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(56, 189, 248, 0.35);
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--navy);
  color: var(--light-grey);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--navy-dark);
}
::-webkit-scrollbar-thumb {
  background: var(--blue);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--bright-blue);
}

/* Container */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Top Notification Bar */
.top-bar {
  background: var(--navy-dark);
  color: var(--slate-400);
  font-size: 11px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
}
.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-bar a {
  color: var(--slate-300);
  text-decoration: none;
  transition: color 0.2s;
}
.top-bar a:hover {
  color: var(--bright-blue);
}

/* Main Navigation Bar */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 26, 43, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

/* Brand Wordmark & Emblem */
.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--white);
}
.brand-logo-img {
  height: 52px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
  border-radius: 4px;
}
@media (max-width: 768px) {
  .brand-logo-img {
    height: 40px;
    max-width: 170px;
  }
}
.footer-logo-img {
  height: 56px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: inline-block;
  background: #ffffff;
  padding: 4px 8px;
  border-radius: 6px;
}
.brand-logo-svg {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}
.brand-text-block {
  display: flex;
  flex-direction: column;
}
.brand-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.5px;
  line-height: 1;
  color: var(--white);
}
.brand-sub {
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--sky);
  margin-top: 3px;
  line-height: 1;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}
.nav-link {
  color: var(--slate-300);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 6px 0;
  position: relative;
  transition: color 0.2s;
  cursor: pointer;
}
.nav-link:hover, .nav-link.active {
  color: var(--white);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--bright-blue);
  border-radius: 2px;
}

/* Actions & Buttons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--bright-blue);
  box-shadow: 0 4px 16px rgba(22, 136, 216, 0.4);
}
.btn-whatsapp {
  background: #10B981;
  color: var(--white);
}
.btn-whatsapp:hover {
  background: #059669;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
}
.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #E2E8F0;
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--white);
  font-size: 24px;
  cursor: pointer;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  background: var(--navy);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.42) contrast(1.1);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #071A2B 0%, rgba(7, 26, 43, 0.88) 60%, rgba(7, 26, 43, 0.3) 100%);
  z-index: 2;
}
.hero-content {
  position: relative;
  z-index: 3;
  padding: 80px 0;
  max-width: 780px;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--sky);
  margin-bottom: 16px;
}
.hero-kicker .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--yellow);
}
.hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.12;
  color: var(--white);
  margin-bottom: 22px;
  letter-spacing: -0.5px;
}
.hero-title span {
  background: linear-gradient(90deg, #38BDF8, #60A5FA);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--slate-300);
  margin-bottom: 34px;
  line-height: 1.6;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-badges {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--slate-300);
}
.hero-badge-item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-badge-item svg {
  color: var(--sky);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Trust Bar */
.trust-bar {
  background: var(--navy-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 40px 0;
}
.trust-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 40px;
  align-items: center;
}
.trust-intro h3 {
  font-size: 24px;
  color: var(--white);
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}
.trust-intro p {
  color: var(--slate-400);
  font-size: 14px;
  line-height: 1.6;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.trust-card {
  background: var(--navy);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
}
.trust-card .label {
  font-size: 11px;
  color: var(--slate-400);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 4px;
}
.trust-card .val {
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.3px;
}
.trust-card .sub {
  font-size: 11px;
  color: var(--slate-500);
  margin-top: 2px;
}

/* Common Section */
.section {
  padding: 88px 0;
}
.section-dark {
  background: #051422;
}
.section-header {
  max-width: 720px;
  margin-bottom: 48px;
}
.section-tag {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--sky);
  display: block;
  margin-bottom: 8px;
}
.section-title {
  font-size: 38px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.18;
  letter-spacing: -0.5px;
}
.section-desc {
  font-size: 15px;
  color: var(--slate-400);
  margin-top: 12px;
  line-height: 1.6;
}

/* About Layout */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.about-image-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}
.about-image-wrap img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
}
.about-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: rgba(9, 30, 50, 0.95);
  backdrop-filter: blur(8px);
  padding: 18px 24px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.values-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 24px 0;
}
.value-item {
  background: var(--navy-surface);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: 12px;
}
.value-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}
.value-desc {
  font-size: 12px;
  color: var(--slate-400);
}

/* Services / Projects Filter Tabs */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}
.filter-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--slate-300);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}
.filter-btn.active {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 28px;
}
.card {
  background: var(--navy);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
}
.card-media {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: #020912;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.card:hover .card-media img {
  transform: scale(1.05);
}
.card-category-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(7, 26, 43, 0.9);
  backdrop-filter: blur(4px);
  border: 1px solid var(--border-color);
  color: var(--sky);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}
.card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.card-text {
  font-size: 13px;
  color: var(--slate-300);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}
.card-features {
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
  margin-bottom: 16px;
  font-size: 12px;
  color: var(--slate-400);
}
.card-features-item {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
  color: var(--slate-300);
}
.card-features-item svg {
  color: var(--sky);
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}
.card-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Industries Grid */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 20px;
}
.industry-card {
  background: var(--navy);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 24px;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.industry-card:hover {
  background: var(--navy-surface);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.industry-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--navy-surface);
  color: var(--sky);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.industry-card:hover .industry-icon-box {
  background: var(--blue);
  color: var(--white);
}

/* Process Flow Timeline */
.process-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.process-step {
  background: var(--navy-surface);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 24px;
  position: relative;
  display: flex;
  flex-direction: column;
}
.process-num {
  font-size: 20px;
  font-weight: 900;
  color: var(--sky);
  margin-bottom: 12px;
}

/* FAQ Accordion */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--navy);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item.active {
  border-color: rgba(56, 189, 248, 0.4);
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 18px 24px;
  background: transparent;
  border: none;
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-arrow {
  color: var(--sky);
  transition: transform 0.2s;
}
.faq-item.active .faq-arrow {
  transform: rotate(180deg);
}
.faq-answer {
  padding: 0 24px 20px 24px;
  font-size: 13.5px;
  color: var(--slate-300);
  line-height: 1.65;
  display: none;
}
.faq-item.active .faq-answer {
  display: block;
}

/* Contact Grid */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 40px;
  align-items: flex-start;
}
.contact-info-card {
  background: var(--navy);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 36px;
}
.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}
.contact-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--navy-surface);
  border: 1px solid var(--border-color);
  color: var(--sky);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.form-card {
  background: var(--navy);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 36px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  margin-bottom: 16px;
}
.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--slate-300);
  margin-bottom: 6px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 11px 14px;
  background: var(--navy-surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  color: var(--white);
  font-size: 13.5px;
  font-family: inherit;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--bright-blue);
}

/* Call to Action Banner */
.cta-banner {
  background: linear-gradient(135deg, #0B2A4A 0%, #071A2B 50%, #0B2A4A 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 80px 0;
  text-align: center;
}
.cta-content {
  max-width: 780px;
  margin: 0 auto;
}

/* Footer */
.footer {
  background: var(--navy-dark);
  border-top: 1px solid var(--border-color);
  padding: 68px 0 30px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-color);
}
.footer h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.footer ul {
  list-style: none;
}
.footer ul li {
  margin-bottom: 8px;
}
.footer ul li a {
  color: var(--slate-400);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
  cursor: pointer;
}
.footer ul li a:hover {
  color: var(--white);
}

/* Floating Actions */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 99;
}
.floating-whatsapp a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 20px;
  background: #10B981;
  color: #FFF;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 13px;
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.45);
  transition: transform 0.2s, background 0.2s;
}
.floating-whatsapp a:hover {
  background: #059669;
  transform: scale(1.05);
}

/* Chatbot Floating Widget */
.chat-widget-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99;
  background: var(--blue);
  color: var(--white);
  border: 1px solid rgba(56, 189, 248, 0.4);
  padding: 13px 20px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  transition: transform 0.2s, background 0.2s;
}
.chat-widget-btn:hover {
  background: var(--bright-blue);
  transform: scale(1.05);
}
.chat-popup {
  display: none;
  position: fixed;
  bottom: 84px;
  right: 24px;
  width: 370px;
  height: 520px;
  background: var(--navy-surface);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 18px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.7);
  z-index: 100;
  flex-direction: column;
  overflow: hidden;
}
.chat-header {
  background: var(--navy);
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.chat-messages {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 12.5px;
}
.chat-msg {
  padding: 10px 14px;
  border-radius: 10px;
  line-height: 1.5;
  max-width: 85%;
}
.chat-msg-bot {
  background: var(--navy);
  border: 1px solid var(--border-color);
  color: #E2E8F0;
  align-self: flex-start;
}
.chat-msg-user {
  background: var(--blue);
  color: var(--white);
  align-self: flex-end;
}
.chat-actions-container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}
.chat-action-btn {
  background: #0B253F;
  border: 1px solid var(--border-color);
  color: var(--sky);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}
.chat-action-btn:hover {
  background: var(--blue);
  color: var(--white);
}
.chat-input-area {
  padding: 12px;
  background: var(--navy);
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 8px;
}
.chat-input {
  flex: 1;
  padding: 8px 12px;
  background: var(--navy-surface);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  color: var(--white);
  font-size: 12px;
}
.chat-input:focus {
  outline: none;
  border-color: var(--bright-blue);
}

/* Modal Dialog */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(6px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-content {
  background: var(--navy-surface);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8);
}
.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  border: none;
  color: var(--slate-400);
  font-size: 20px;
  cursor: pointer;
}
.modal-close:hover {
  color: var(--white);
}

/* Mobile Quick Bar (bottom dock) */
.mobile-quick-dock {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 95;
  background: rgba(7, 26, 43, 0.98);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--border-color);
  padding: 8px 12px;
  gap: 10px;
}

/* Responsive Queries */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 42px;
  }
  .about-grid, .contact-grid, .trust-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-flow {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--navy);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 20px;
    gap: 16px;
  }
  .nav-menu.open {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .header-actions .btn-whatsapp {
    display: none;
  }
  .hero {
    min-height: 520px;
  }
  .hero-title {
    font-size: 32px;
  }
  .hero-subtitle {
    font-size: 15px;
  }
  .hero-badges {
    grid-template-columns: repeat(2, 1fr);
  }
  .cards-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .floating-whatsapp {
    bottom: 60px;
    left: 16px;
  }
  .chat-widget-btn {
    bottom: 60px;
    right: 16px;
  }
  .chat-popup {
    width: 92vw;
    right: 4vw;
    bottom: 120px;
  }
  .mobile-quick-dock {
    display: flex;
  }
}