/* ============================================
   Vertex Mobility — Brand Design System
   Navy #002D72 · Royal #0056B3 · Gold #FFB81C
   ============================================ */

:root {
  --navy: #002D72;
  --navy-dark: #001a45;
  --royal: #0056B3;
  --royal-light: #1a6fd4;
  --gold: #FFB81C;
  --gold-dark: #e5a400;
  --sky: #7DB9E8;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  --gray-800: #1e293b;
  --shadow-sm: 0 1px 3px rgba(0, 45, 114, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 45, 114, 0.12);
  --shadow-lg: 0 12px 40px rgba(0, 45, 114, 0.18);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

section[id],
[id^="solution-"],
#whatsapp,
#platforms {
  scroll-margin-top: 88px;
}

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Header ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 45, 114, 0.06);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo {
  width: 48px;
  height: auto;
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast;
}

.nav-name {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-item {
  position: relative;
}

.nav-trigger {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gray-600);
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px 14px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

.nav-trigger:hover,
.nav-item.open > .nav-trigger {
  color: var(--navy);
  background: var(--gray-50);
}

.nav-chevron {
  width: 12px;
  height: 12px;
  transition: transform var(--transition);
}

.nav-item.open > .nav-trigger .nav-chevron {
  transform: rotate(180deg);
}

.nav-item--cta {
  margin-left: 8px;
}

/* Dropdown panel */
.nav-dropdown,
.nav-mega {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 100;
  min-width: 280px;
  padding: 8px;
}

.nav-dropdown--wide {
  min-width: 300px;
}

.nav-mega {
  min-width: 520px;
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
}

.nav-item:hover > .nav-dropdown,
.nav-item:hover > .nav-mega,
.nav-item.open > .nav-dropdown,
.nav-item.open > .nav-mega {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.mega-col {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mega-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  padding: 4px 12px 8px;
}

.mega-footer {
  grid-column: 1 / -1;
  border-top: 1px solid var(--gray-200);
  margin-top: 4px;
  padding-top: 10px;
  text-align: center;
}

.mega-footer a {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--royal);
  transition: color var(--transition);
}

.mega-footer a:hover {
  color: var(--navy);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  transition: background var(--transition);
}

.dropdown-item:hover {
  background: var(--gray-50);
}

.dropdown-item strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.3;
}

.dropdown-item small {
  display: block;
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-top: 1px;
}

.dropdown-item--highlight {
  background: #f0fdf4;
}

.dropdown-item--highlight:hover {
  background: #dcfce7;
}

.dropdown-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dropdown-icon svg {
  width: 18px;
  height: 18px;
}

.dropdown-icon--blue {
  background: rgba(0, 86, 179, 0.1);
  color: var(--royal);
}

.dropdown-icon--gold {
  background: rgba(255, 184, 28, 0.15);
  color: #c98a00;
}

.dropdown-icon--whatsapp {
  background: rgba(37, 211, 102, 0.12);
  color: #25D366;
}

.nav-links > li > a:not(.nav-cta) {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--navy);
}

.nav-cta {
  background: var(--gold) !important;
  color: var(--navy) !important;
  padding: 10px 22px;
  border-radius: 50px;
  font-weight: 600 !important;
  transition: background var(--transition), transform var(--transition) !important;
}

.nav-cta:hover {
  background: var(--gold-dark) !important;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 40%, var(--royal) 100%);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.08;
}

.hero-shape--1 {
  width: 600px;
  height: 600px;
  background: var(--gold);
  top: -200px;
  right: -100px;
}

.hero-shape--2 {
  width: 400px;
  height: 400px;
  background: var(--sky);
  bottom: -100px;
  left: -100px;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--white);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.highlight {
  background: linear-gradient(90deg, var(--gold), #ffd966);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--gold);
  color: var(--navy);
}

.btn-primary:hover {
  background: var(--gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 184, 28, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

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

.hero-anim {
  position: relative;
  width: 360px;
  height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-anim-core {
  position: relative;
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}

.hero-ai {
  width: 200px;
  height: 200px;
  filter: drop-shadow(0 12px 28px rgba(0, 0, 0, 0.25));
}

.ai-node {
  animation: node-glow 2.4s ease-in-out infinite;
}

.ai-node--1 { animation-delay: 0s; }
.ai-node--2 { animation-delay: 0.4s; }
.ai-node--3 { animation-delay: 0.8s; }
.ai-node--4 { animation-delay: 1.2s; }
.ai-node--5 { animation-delay: 1.6s; }
.ai-node--6 { animation-delay: 2s; }

.ai-spark {
  transform-origin: 60px 60px;
  animation: spark-spin 8s linear infinite;
}

.ai-pulse--1 { animation: pulse-fade 2.4s ease-in-out infinite; }
.ai-pulse--2 { animation: pulse-fade 2.4s ease-in-out infinite 0.8s; }
.ai-pulse--3 { animation: pulse-fade 2.4s ease-in-out infinite 1.6s; }

@keyframes node-glow {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

@keyframes spark-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse-fade {
  0%, 100% { opacity: 0.2; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.4); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.signal-ring {
  position: absolute;
  border: 2px solid;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: pulse-ring 3s ease-out infinite;
  pointer-events: none;
}

.signal-ring--1 {
  width: 260px;
  height: 260px;
  border-color: rgba(255, 184, 28, 0.35);
}

.signal-ring--2 {
  width: 310px;
  height: 310px;
  border-color: rgba(125, 185, 232, 0.25);
  animation-delay: 1s;
}

.signal-ring--3 {
  width: 360px;
  height: 360px;
  border-color: rgba(255, 255, 255, 0.08);
  animation-delay: 2s;
}

@keyframes pulse-ring {
  0% { opacity: 0.7; transform: translate(-50%, -50%) scale(0.92); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.08); }
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}

.hero-scroll a {
  color: rgba(255, 255, 255, 0.5);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ---- Sections ---- */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.section-header--light h2 {
  color: var(--white);
}

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--royal);
  margin-bottom: 12px;
}

.section-label--light {
  color: var(--gold);
}

.section-desc {
  margin-top: 16px;
  font-size: 1.05rem;
  color: var(--gray-600);
  line-height: 1.7;
}

.section-desc--light {
  color: rgba(255, 255, 255, 0.75);
}

.section-header {
  max-width: 720px;
}

/* ---- About ---- */
.about {
  background: var(--gray-50);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: start;
}

.about-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}

.about-card h3 {
  font-size: 1.3rem;
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.4;
}

.about-card p {
  color: var(--gray-600);
  line-height: 1.8;
}

.about-card p + p {
  margin-top: 16px;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stat {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-left: 4px solid var(--gold);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}

.stat:hover {
  transform: translateX(4px);
}

.stat-icon {
  width: 28px;
  height: 28px;
  color: var(--royal);
  margin-bottom: 8px;
}

.stat-icon svg {
  width: 100%;
  height: 100%;
}

.stat strong {
  font-size: 1.1rem;
  color: var(--navy);
}

.stat span:last-child {
  font-size: 0.85rem;
  color: var(--gray-400);
}

/* ---- Solutions ---- */
.solutions {
  background: linear-gradient(160deg, var(--navy-dark) 0%, var(--navy) 50%, var(--royal) 100%);
  position: relative;
}

.solutions::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: var(--gold);
  opacity: 0.05;
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.solution-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  backdrop-filter: blur(8px);
  transition: all var(--transition);
  position: relative;
}

.solution-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.solution-card--featured {
  border-color: var(--gold);
  background: rgba(255, 184, 28, 0.08);
}

.solution-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--gold);
  color: var(--navy);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.solution-icon {
  width: 52px;
  height: 52px;
  color: var(--gold);
  margin-bottom: 18px;
}

.solution-icon svg {
  width: 100%;
  height: 100%;
}

.solution-card h3 {
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: 10px;
}

.solution-card p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.65;
  margin-bottom: 16px;
}

.solution-list li {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
  padding: 5px 0;
  padding-left: 18px;
  position: relative;
}

.solution-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 7px;
  height: 7px;
  background: var(--gold);
  border-radius: 2px;
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}

/* ---- Omnichannel ---- */
.omnichannel {
  background: var(--white);
}

.whatsapp-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 50%, var(--gray-50) 100%);
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-lg);
  padding: 48px;
  margin-bottom: 56px;
}

.whatsapp-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #25D366;
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.whatsapp-icon {
  width: 18px;
  height: 18px;
}

.whatsapp-content h3 {
  font-size: 1.6rem;
  color: var(--navy);
  margin-bottom: 14px;
}

.whatsapp-content p {
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: 20px;
}

.whatsapp-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.whatsapp-features li {
  font-size: 0.88rem;
  color: var(--gray-600);
  padding-left: 22px;
  position: relative;
}

.whatsapp-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #25D366;
  font-weight: 700;
}

.phone-mockup {
  background: #e5ddd5;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  max-width: 320px;
  margin: 0 auto;
}

.phone-header {
  background: #075E54;
  color: var(--white);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.phone-avatar {
  width: 40px;
  height: 40px;
  background: var(--gold);
  color: var(--navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}

.phone-header strong {
  display: block;
  font-size: 0.95rem;
}

.phone-header span {
  font-size: 0.75rem;
  opacity: 0.8;
}

.phone-chat {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 260px;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h60v60H0z' fill='%23e5ddd5'/%3E%3Cpath d='M0 30h60M30 0v60' stroke='%23d4cdc5' stroke-width='0.5' opacity='0.4'/%3E%3C/svg%3E");
}

.chat-bubble {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.82rem;
  line-height: 1.5;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.chat-bubble--in {
  background: var(--white);
  align-self: flex-start;
  border-top-left-radius: 0;
  color: var(--gray-800);
}

.chat-bubble--out {
  background: #DCF8C6;
  align-self: flex-end;
  border-top-right-radius: 0;
  color: var(--gray-800);
}

.chat-bubble small {
  font-size: 0.72rem;
  color: var(--gray-400);
}

.platforms-title {
  text-align: center;
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: 32px;
  font-weight: 600;
}

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.platform-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
}

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

.platform-logo {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}

.platform-logo svg {
  width: 28px;
  height: 28px;
  color: var(--white);
}

.platform-logo--facebook { background: #1877F2; }
.platform-logo--instagram { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.platform-logo--x { background: #000000; }
.platform-logo--telegram { background: #26A5E4; }
.platform-logo--linkedin { background: #0A66C2; }
.platform-logo--tiktok { background: #000000; }
.platform-logo--youtube { background: #FF0000; }
.platform-logo--sms { background: linear-gradient(135deg, var(--navy), var(--royal)); }
.platform-logo--sms svg { color: var(--white); }

.platform-card strong {
  display: block;
  font-size: 0.95rem;
  color: var(--navy);
  margin-bottom: 4px;
}

.platform-card span {
  font-size: 0.78rem;
  color: var(--gray-400);
}

/* ---- Why Us ---- */
.why-us {
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.feature {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius);
  transition: background var(--transition);
}

.feature:hover {
  background: var(--gray-50);
}

.feature-num {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--royal), var(--sky));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.feature h4 {
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 10px;
}

.feature p {
  font-size: 0.88rem;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ---- Contact ---- */
.contact {
  background: var(--gray-50);
}

.contact-wrapper {
  max-width: 640px;
  margin: 0 auto;
}

.contact-info h2 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.3;
}

.contact-info > p {
  color: var(--gray-600);
  margin-bottom: 36px;
  line-height: 1.7;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--white);
  padding: 20px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}

.contact-item:hover {
  border-color: var(--royal);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--navy), var(--royal));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 22px;
  height: 22px;
  color: var(--white);
}

.contact-item strong {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-bottom: 2px;
}

.contact-item span:last-child {
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
}

/* ---- Footer ---- */
.footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.6);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 500;
}

.footer-logo {
  width: 36px;
  height: auto;
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast;
}

.footer-copy {
  font-size: 0.8rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
}

.footer-links a {
  color: var(--gold);
  transition: color var(--transition);
}

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

.footer-dot {
  color: rgba(255, 255, 255, 0.3);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

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

  .hero-visual {
    order: -1;
  }

  .hero-anim {
    width: 280px;
    height: 280px;
  }

  .hero-ai {
    width: 160px;
    height: 160px;
  }

  .signal-ring--1 { width: 200px; height: 200px; }
  .signal-ring--2 { width: 240px; height: 240px; }
  .signal-ring--3 { width: 280px; height: 280px; }

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

  .whatsapp-feature {
    grid-template-columns: 1fr;
    padding: 32px;
  }

  .whatsapp-visual {
    order: -1;
  }

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

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

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

@media (max-width: 992px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px 32px;
    gap: 4px;
    box-shadow: var(--shadow-md);
    transform: translateX(100%);
    opacity: 1;
    transition: transform var(--transition);
    pointer-events: none;
    overflow-y: auto;
    z-index: 999;
  }

  .nav-links.open {
    transform: translateX(0);
    pointer-events: auto;
  }

  .nav-item {
    width: 100%;
  }

  .nav-trigger {
    width: 100%;
    justify-content: space-between;
    padding: 14px 16px;
    font-size: 0.95rem;
  }

  .nav-dropdown,
  .nav-mega {
    position: static;
    transform: none !important;
    opacity: 1;
    visibility: hidden;
    pointer-events: none;
    max-height: 0;
    overflow: hidden;
    padding: 0;
    margin: 0;
    border: none;
    box-shadow: none;
    min-width: 0;
    transition: max-height 0.35s ease, visibility 0.35s, padding 0.35s;
  }

  .nav-item.open > .nav-dropdown,
  .nav-item.open > .nav-mega {
    visibility: visible;
    pointer-events: auto;
    max-height: 800px;
    padding: 4px 0 8px 8px;
  }

  .nav-item:hover > .nav-dropdown,
  .nav-item:hover > .nav-mega {
    visibility: hidden;
    pointer-events: none;
    max-height: 0;
    padding: 0;
  }

  .nav-item.open:hover > .nav-dropdown,
  .nav-item.open:hover > .nav-mega {
    visibility: visible;
    pointer-events: auto;
    max-height: 800px;
    padding: 4px 0 8px 8px;
  }

  .nav-mega {
    display: block;
    min-width: 0;
  }

  .mega-col {
    margin-bottom: 4px;
  }

  .mega-footer {
    margin-top: 8px;
    padding-top: 12px;
  }

  .dropdown-item {
    padding: 12px 14px;
  }

  .nav-item--cta {
    margin-left: 0;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--gray-200);
  }

  .nav-cta {
    display: block;
    text-align: center;
    padding: 14px 22px !important;
  }
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 72px 0;
  }

  .hero {
    min-height: auto;
    padding: 100px 0 60px;
  }

  .hero-scroll {
    display: none;
  }

  .solutions-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

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

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