/* ═══════════════════════════════════════════
   Entoist — Landing Page Styles
   Color System:
     --navy:      #061a39 (Deep Navy)
     --green:     #488c2a (Growth Green)
     --grey:      #959391 (Professional Grey)
   ═══════════════════════════════════════════ */

/* ── Reset & Base ── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Core palette */
  --white: #ffffff;
  --off-white: #f8fafc;
  --blue: #061a39;
  --blue-dark: #030d1e;
  --blue-light: #e6eaf1;
  --blue-50: #f0f2f7;
  --green: #488c2a;
  --green-light: #eef5e9;
  --grey: #959391;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Spacing */
  --section-py: 100px;
  --container-max: 1200px;
  --header-h: 72px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12);
  --shadow-blue: 0 8px 30px rgba(6, 26, 57, 0.25);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.3s var(--ease);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

.section {
  padding: var(--section-py) 0;
}

/* ═══════════════ SECTION HEADERS ═══════════════ */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--blue-light);
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-title.left {
  text-align: left;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ═══════════════ HEADER ═══════════════ */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

#site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 40px;
  height: 40px;
}

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

.logo-name {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--blue);
  letter-spacing: 0.02em;
  line-height: 1.1;
}

.logo-tagline {
  font-size: 0.65rem;
  color: var(--gray-400);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Nav */
.main-nav {
  display: flex;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  border-radius: 8px;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--blue);
  background: var(--blue-50);
}

.chevron {
  transition: transform var(--transition);
}

/* Dropdown */
.has-dropdown {
  position: relative;
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 220px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
}

.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.has-dropdown:hover .chevron {
  transform: rotate(180deg);
}

.dropdown li a {
  display: block;
  padding: 10px 14px;
  font-size: 0.88rem;
  color: var(--gray-600);
  border-radius: 8px;
  transition: var(--transition);
}

.dropdown li a:hover {
  background: var(--blue-50);
  color: var(--blue);
}

/* Header CTA */
.header-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--blue);
  color: var(--white);
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: 100px;
  transition: var(--transition);
}

.header-cta:hover {
  background: var(--blue-dark);
  box-shadow: var(--shadow-blue);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile nav overlay */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

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

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-nav a {
  display: block;
  padding: 14px 32px;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--gray-800);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.mobile-nav a:hover {
  background: var(--blue-50);
  color: var(--blue);
}

.mobile-phone-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding: 14px 32px;
  background: var(--blue);
  color: var(--white) !important;
  border-radius: 100px;
  font-weight: 600;
}

/* ═══════════════ HERO ═══════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  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(
    135deg,
    rgba(6, 26, 57, 0.88) 0%,
    rgba(6, 26, 57, 0.72) 40%,
    rgba(6, 26, 57, 0.50) 100%
  );
}

/* Hero floating logo */
.hero-logo-float {
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  width: 320px;
  height: 320px;
  animation: fadeInUp 1.2s var(--ease) 0.6s both;
}

.hero-logo-float img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 12px 40px rgba(6, 26, 57, 0.4));
  animation: heroLogoPulse 4s ease-in-out infinite;
}

@keyframes heroLogoPulse {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 12px 40px rgba(6, 26, 57, 0.4)); }
  50% { transform: scale(1.03); filter: drop-shadow(0 16px 50px rgba(6, 26, 57, 0.55)); }
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--header-h) + 60px);
  padding-bottom: 80px;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: 100px;
  backdrop-filter: blur(8px);
  margin-bottom: 28px;
  letter-spacing: 0.03em;
  animation: fadeInUp 0.8s var(--ease) both;
}

.hero-title {
  font-size: 3.6rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  animation: fadeInUp 0.8s var(--ease) 0.15s both;
}

.hero-title span {
  background: linear-gradient(135deg, #488c2a, #6cb84a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 520px;
  animation: fadeInUp 0.8s var(--ease) 0.3s both;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: fadeInUp 0.8s var(--ease) 0.45s both;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.btn-primary {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(72, 140, 42, 0.35);
}

.btn-primary:hover {
  background: #367021;
  box-shadow: 0 6px 30px rgba(72, 140, 42, 0.5);
  transform: translateY(-2px);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

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

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  animation: fadeInUp 0.8s var(--ease) 0.6s both;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.stat-suffix {
  font-size: 1.6rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.7);
}

.stat-label {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 500;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
}

/* ═══════════════ SERVICES ═══════════════ */
.services {
  background: var(--off-white);
}

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

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--green));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 20px;
}

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

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.65;
  margin-bottom: 20px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--blue);
  transition: var(--transition);
}

.service-link:hover {
  gap: 10px;
}

/* ═══════════════ ABOUT ═══════════════ */
.about {
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-img-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-img {
  width: 100%;
  height: 450px;
  object-fit: cover;
}

.about-experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 130px;
  height: 130px;
  background: var(--blue);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: var(--shadow-blue);
  border: 5px solid var(--white);
}

.exp-number {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.exp-text {
  font-size: 0.72rem;
  font-weight: 500;
  text-align: center;
  opacity: 0.85;
  line-height: 1.3;
  margin-top: 2px;
}

.about-content .section-badge {
  margin-bottom: 12px;
}

.about-content .section-title {
  margin-bottom: 20px;
}

.about-text {
  font-size: 1rem;
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: 32px;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-features li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.feature-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--blue-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-features li div:last-child {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.about-features strong {
  font-size: 0.95rem;
  color: var(--gray-800);
  font-weight: 600;
}

.about-features span {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* ═══════════════ TRUST / CERTIFICATES ═══════════════ */
.trust {
  background: var(--off-white);
}

.certs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-bottom: 72px;
}

.cert-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  transition: var(--transition);
}

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

.cert-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 18px;
}

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

.cert-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.cert-card p {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* References Slider */
.references {
  text-align: center;
}

.ref-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-400);
  font-weight: 600;
  margin-bottom: 28px;
}

.ref-slider {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.ref-track {
  display: flex;
  gap: 48px;
  animation: scroll 30s linear infinite;
  width: max-content;
}

.ref-item {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  min-width: 160px;
}

.ref-item span {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--gray-500);
  white-space: nowrap;
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* ═══════════════ CONTACT ═══════════════ */
.contact {
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact-info .section-badge {
  margin-bottom: 12px;
}

.contact-info .section-title {
  margin-bottom: 16px;
}

.contact-desc {
  font-size: 1rem;
  color: var(--gray-500);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 28px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--blue-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
}

.contact-item strong {
  display: block;
  font-size: 0.88rem;
  color: var(--gray-800);
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-item span {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.5;
}

.contact-item a {
  color: var(--blue);
  font-weight: 500;
}

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

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

/* Contact Form */
.contact-form-wrap {
  background: var(--off-white);
  border-radius: var(--radius-xl);
  padding: 44px 40px;
  border: 1px solid var(--gray-200);
}

.contact-form h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.92rem;
  font-family: inherit;
  color: var(--gray-800);
  background: var(--white);
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(6, 26, 57, 0.1);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%239CA3AF' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.contact-form .btn-primary {
  margin-top: 8px;
  padding: 16px 30px;
  font-size: 1rem;
}

/* ═══════════════ FOOTER ═══════════════ */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo .logo-name {
  color: var(--white);
}

.footer-logo .logo-tagline {
  color: var(--gray-500);
}

.footer-about {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
  color: var(--gray-500);
}

.social-links {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--gray-400);
  transition: var(--transition);
}

.social-link:hover {
  background: var(--blue);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-links-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 18px;
}

.footer-links-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-col li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--gray-500);
}

.footer-links-col a {
  color: var(--gray-500);
  transition: var(--transition);
}

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

.footer-links-col li svg {
  flex-shrink: 0;
  opacity: 0.5;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 0.82rem;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  color: var(--gray-500);
  transition: var(--transition);
}

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

/* ═══════════════ WHATSAPP FLOAT ═══════════════ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 900;
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
  animation: pulse 2s ease infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.55);
}

.wp-tooltip {
  position: absolute;
  right: 72px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--gray-800);
  color: var(--white);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.whatsapp-float:hover .wp-tooltip {
  opacity: 1;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.15);
  }
}

/* ═══════════════ BACK TO TOP ═══════════════ */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 30px;
  z-index: 800;
  width: 44px;
  height: 44px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--gray-600);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
}

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

.back-to-top:hover {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}

/* ═══════════════ ANIMATIONS ═══════════════ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll animation classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.logo-img { width: 48px; height: 48px; border-radius: 50%; object-fit: contain; }

/* ═══════════════ CERT CARDS (icon-based) ═══════════════ */
.cert-card { padding: 36px 28px; text-align: center; }
.cert-card .cert-icon { margin: 0 auto 20px; }
.cert-view-btn { display: inline-flex; align-items: center; gap: 6px; font-size: 0.88rem; font-weight: 600; color: var(--green); cursor: pointer; transition: var(--transition); margin-top: 16px; }
.cert-view-btn:hover { gap: 10px; color: #367021; }

/* ═══════════════ CERTIFICATE MODAL ═══════════════ */
.cert-modal { position: fixed; inset: 0; z-index: 2000; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: var(--transition); }
.cert-modal.active { opacity: 1; visibility: visible; }
.cert-modal-overlay { position: absolute; inset: 0; background: rgba(6, 26, 57, 0.85); backdrop-filter: blur(8px); }
.cert-modal-content { position: relative; max-width: 90vw; max-height: 90vh; z-index: 1; }
.cert-modal-content img { max-width: 100%; max-height: 85vh; border-radius: var(--radius-md); box-shadow: var(--shadow-xl); }
.cert-modal-close { position: absolute; top: -16px; right: -16px; width: 40px; height: 40px; background: var(--white); border: none; border-radius: 50%; font-size: 1.4rem; font-weight: 700; color: var(--gray-700); cursor: pointer; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-md); transition: var(--transition); z-index: 2; }
.cert-modal-close:hover { background: var(--blue); color: var(--white); }

/* ═══════════════ BLOG ═══════════════ */
.blog { background: var(--white); }
.blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.blog-card { background: var(--off-white); border-radius: var(--radius-lg); padding: 32px 28px; border: 1px solid var(--gray-200); transition: var(--transition); display: flex; flex-direction: column; }
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.blog-category { display: inline-flex; padding: 4px 12px; background: var(--green-light); color: var(--green); font-size: 0.75rem; font-weight: 600; border-radius: 100px; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 14px; width: fit-content; }
.blog-card h3 { font-size: 1.12rem; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; line-height: 1.4; }
.blog-card p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.65; margin-bottom: 18px; flex-grow: 1; }
.blog-meta { display: flex; align-items: center; justify-content: space-between; font-size: 0.82rem; color: var(--gray-400); }
.blog-read-more { display: inline-flex; align-items: center; gap: 4px; font-weight: 600; color: var(--green); transition: var(--transition); }
.blog-read-more:hover { gap: 8px; }

/* ═══════════════ FAQ / S.S.S. ═══════════════ */
.faq { background: var(--off-white); }
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--gray-300); }
.faq-item.active { border-color: var(--blue); box-shadow: 0 2px 12px rgba(6, 26, 57, 0.08); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  cursor: pointer;
  gap: 16px;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
}
.faq-question h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-800);
  line-height: 1.5;
  transition: var(--transition);
}
.faq-item.active .faq-question h3 { color: var(--blue); }
.faq-toggle {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: 50%;
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.faq-item.active .faq-toggle {
  background: var(--blue);
  transform: rotate(180deg);
}
.faq-toggle svg { transition: var(--transition); }
.faq-item.active .faq-toggle svg { stroke: var(--white); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease), padding 0.3s var(--ease);
}
.faq-item.active .faq-answer {
  max-height: 400px;
}
.faq-answer-inner {
  padding: 0 28px 24px;
  font-size: 0.92rem;
  color: var(--gray-500);
  line-height: 1.8;
}
.faq-answer-inner a {
  color: var(--green);
  font-weight: 600;
}
.faq-answer-inner a:hover { text-decoration: underline; }
.faq-cta {
  text-align: center;
  margin-top: 48px;
}
.faq-cta p {
  font-size: 1rem;
  color: var(--gray-500);
  margin-bottom: 16px;
}

/* ═══════════════ RESPONSIVE ═══════════════ */
@media (max-width: 1024px) {
  .services-grid,
  .certs-grid,
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .hero-logo-float {
    width: 220px;
    height: 220px;
    right: 4%;
  }
}

@media (max-width: 768px) {
  :root {
    --section-py: 72px;
    --header-h: 64px;
  }

  .main-nav,
  .header-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-logo-float {
    display: none;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-number {
    font-size: 1.6rem;
  }

  .services-grid,
  .certs-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }

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

  .about-visual {
    order: -1;
  }

  .about-experience-badge {
    bottom: -15px;
    right: 15px;
    width: 100px;
    height: 100px;
  }

  .exp-number {
    font-size: 1.5rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .section-title.left {
    text-align: left;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .contact-form-wrap {
    padding: 28px 20px;
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .whatsapp-float {
    width: 52px;
    height: 52px;
    bottom: 20px;
    right: 20px;
  }

  .back-to-top {
    bottom: 82px;
    right: 22px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.8rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

  .stat-divider {
    display: none;
  }

  .stat {
    flex-direction: row;
    align-items: baseline;
    gap: 8px;
  }
}