/* =====================================================
   Karshashtra.com — Main Stylesheet
   ===================================================== */

/* ---------- CSS Variables ---------- */
:root {
  --gold:        #C8922A;
  --gold-light:  #E8B84B;
  --gold-dark:   #9A6E1A;
  --navy:        #0D1B2A;
  --navy-mid:    #162537;
  --navy-light:  #1E3550;
  --white:       #FFFFFF;
  --off-white:   #F7F5F0;
  --text-dark:   #1A1A2E;
  --text-mid:    #4A5568;
  --text-light:  #718096;
  --border:      rgba(200, 146, 42, 0.25);
  --border-light: #D4C9B5;
  --shadow-sm:   0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:   0 6px 24px rgba(0,0,0,0.12);
  --shadow-lg:   0 16px 48px rgba(0,0,0,0.18);
  --radius:      10px;
  --radius-lg:   18px;
  --transition:  0.3s ease;
  /* Fixed action buttons (scroll-top + WhatsApp) */
  --fab-bottom:     28px;
  --fab-right:      28px;
  --fab-right-mob:  16px;
  --wa-bottom:      84px;  /* scroll-top height (46px) + gap + fab-bottom */
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--white);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--navy);
  margin-bottom: 1.25rem;
}

.section-title span { color: var(--gold); }

.section-sub {
  font-size: 1.05rem;
  color: var(--text-mid);
  max-width: 620px;
  margin: 0 auto 3rem;
}

/* ---------- Layout Helpers ---------- */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

section {
  padding: 90px 0;
}

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

/* ---------- Divider ---------- */
.gold-divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px;
  margin: 0 auto 1.5rem;
}

/* =====================================================
   NAVBAR
   ===================================================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  background: var(--navy);
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}

.navbar.scrolled {
  background: rgba(13, 27, 42, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
  padding: 0;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  padding: 0 5%;
  max-width: 1300px;
  margin: 0 auto;
}

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

.nav-logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1rem;
  color: var(--navy);
  flex-shrink: 0;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.nav-logo-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.04em;
}

.nav-logo-tagline {
  font-size: 0.65rem;
  color: var(--gold-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255,255,255,0.82);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--gold-light);
  border-bottom-color: var(--gold);
}

.nav-cta {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--navy) !important;
  border: none !important;
  padding: 8px 22px !important;
  border-radius: 6px !important;
  font-weight: 700 !important;
  transition: transform var(--transition), box-shadow var(--transition) !important;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(200,146,42,0.4);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: rgba(13, 27, 42, 0.98);
  padding: 1.5rem 5%;
  gap: 1rem;
  border-top: 1px solid var(--border);
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  font-weight: 600;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: color var(--transition);
}

.mobile-nav a:hover { color: var(--gold-light); }

/* =====================================================
   HERO
   ===================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, #FAFAF8 0%, var(--white) 60%, #F0F4FF 100%);
  overflow: hidden;
  padding-top: 70px;
}

/* Decorative grid overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200,146,42,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,146,42,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* Glow blobs */
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.18;
}

.hero-blob-1 {
  width: 600px; height: 600px;
  background: var(--gold);
  top: -200px; right: -150px;
}

.hero-blob-2 {
  width: 400px; height: 400px;
  background: var(--gold-dark);
  bottom: -100px; left: -100px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200,146,42,0.10);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 6px 16px;
  margin-bottom: 1.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gold-dark);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-badge-dot {
  width: 7px; height: 7px;
  background: var(--gold);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  color: var(--navy);
  margin-bottom: 1rem;
}

.hero h1 .brand {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-mid);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 14px 30px;
  border-radius: var(--radius);
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  letter-spacing: 0.03em;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--navy);
  box-shadow: 0 4px 20px rgba(200,146,42,0.35);
}

.btn-primary:hover {
  box-shadow: 0 8px 28px rgba(200,146,42,0.5);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: rgba(13,27,42,0.3);
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold-dark);
}

.btn-gold-outline {
  background: transparent;
  color: var(--gold);
  border-color: var(--gold);
}

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

/* Hero stats */
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(13,27,42,0.1);
}

.stat-item { text-align: left; }

.stat-number {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--gold-dark);
  line-height: 1;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* =====================================================
   TRUST BAR
   ===================================================== */
.trust-bar {
  background: var(--off-white);
  padding: 22px 0;
  border-top: 1px solid #E8E3D8;
  border-bottom: 1px solid #E8E3D8;
}

.trust-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 5%;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-mid);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.trust-icon {
  font-size: 1.1rem;
}

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-card-stack {
  position: relative;
}

.about-main-card {
  background: linear-gradient(145deg, var(--navy), var(--navy-light));
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  color: var(--white);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.about-main-card::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: rgba(200,146,42,0.12);
}

.about-main-card-icon {
  font-size: 2.8rem;
  margin-bottom: 1rem;
}

.about-main-card h3 {
  font-size: 1.3rem;
  color: var(--gold-light);
  margin-bottom: 0.5rem;
}

.about-main-card p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.7;
}

.about-float-card {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.2rem 1.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  min-width: 200px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.float-card-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.float-card-text strong {
  display: block;
  font-size: 1.2rem;
  color: var(--navy);
  line-height: 1;
}

.float-card-text span {
  font-size: 0.75rem;
  color: var(--text-light);
}

.about-content {}

.about-content p {
  color: var(--text-mid);
  margin-bottom: 1.2rem;
  font-size: 1rem;
  line-height: 1.8;
}

.about-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-top: 2rem;
}

.pillar-item {
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 1.2rem;
  border-left: 3px solid var(--gold);
  transition: transform var(--transition), box-shadow var(--transition);
}

.pillar-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.pillar-item h4 {
  font-size: 0.88rem;
  color: var(--navy);
  margin-bottom: 0.3rem;
}

.pillar-item p {
  font-size: 0.8rem;
  color: var(--text-light);
  margin: 0;
}

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

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 1.75rem;
  margin-top: 0;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

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

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

.service-icon-wrap {
  width: 58px; height: 58px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(200,146,42,0.12), rgba(200,146,42,0.06));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  border: 1px solid var(--border);
  transition: background var(--transition);
}

.service-card:hover .service-icon-wrap {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
}

.service-card h3 {
  font-size: 1.08rem;
  color: var(--navy);
}

.service-card p {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.7;
  flex: 1;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 0.5rem;
}

.tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(200,146,42,0.1);
  color: var(--gold-dark);
  border: 1px solid rgba(200,146,42,0.2);
}

/* Services CTA banner */
.services-cta-banner {
  margin-top: 3rem;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: var(--radius-lg);
  padding: 2.5rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  border: 1px solid rgba(200,146,42,0.2);
}

.services-cta-text h3 {
  color: var(--white);
  font-size: 1.3rem;
  margin-bottom: 0.4rem;
}

.services-cta-text p {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
}

/* =====================================================
   PROCESS
   ===================================================== */
.process {
  background: var(--white);
  padding: 80px 0;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
  margin-top: 2rem;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 30px;
  left: calc(12.5% + 16px);
  right: calc(12.5% + 16px);
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
  z-index: 0;
}

.step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-num {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--navy);
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  border: 4px solid var(--white);
  box-shadow: 0 0 0 2px var(--gold);
}

.step h4 {
  font-size: 0.95rem;
  color: var(--navy);
  margin-bottom: 0.4rem;
}

.step p {
  font-size: 0.8rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* =====================================================
   CONTACT
   ===================================================== */
.contact {
  background: var(--off-white);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200,146,42,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,146,42,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.contact .section-title { color: var(--navy); }
.contact .section-sub   { color: var(--text-mid); }
.contact .gold-divider  { margin-bottom: 0; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 4rem;
  align-items: start;
  position: relative;
  z-index: 1;
}

/* Contact Info Side */
.contact-info {}

.contact-info-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.8rem;
  align-items: flex-start;
}

.contact-info-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(200,146,42,0.10);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-info-text strong {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold-dark);
  margin-bottom: 4px;
}

.contact-info-text a,
.contact-info-text span {
  color: var(--text-mid);
  font-size: 0.95rem;
  transition: color var(--transition);
}

.contact-info-text a:hover { color: var(--gold-dark); }

.contact-hours {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-top: 2rem;
}

.contact-hours h4 {
  color: var(--navy);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.contact-hours p {
  color: var(--text-mid);
  font-size: 0.88rem;
  line-height: 1.8;
}

/* Contact Form */
.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--off-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.92rem;
  color: var(--text-dark);
  font-family: inherit;
  transition: border-color var(--transition), background var(--transition);
  outline: none;
}

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

.form-group select option {
  background: var(--white);
  color: var(--text-dark);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  background: var(--white);
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
}

.form-submit {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--navy);
  letter-spacing: 0.04em;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(200,146,42,0.45);
}

.form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Alerts */
.alert {
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.88rem;
  margin-bottom: 1rem;
  display: none;
}

.alert.show { display: block; }

.alert-success {
  background: rgba(34,197,94,0.12);
  border: 1px solid rgba(34,197,94,0.3);
  color: #4ade80;
}

.alert-error {
  background: rgba(239,68,68,0.12);
  border: 1px solid rgba(239,68,68,0.3);
  color: #f87171;
}

/* =====================================================
   FOOTER
   ===================================================== */
footer {
  background: #070E17;
  padding: 50px 0 24px;
  border-top: 1px solid rgba(200,146,42,0.15);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.footer-brand .nav-logo { margin-bottom: 1rem; }

.footer-tagline {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gold-light);
  margin-bottom: 1rem;
}

.footer-col ul li {
  margin-bottom: 0.6rem;
}

.footer-col ul li a {
  font-size: 0.87rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}

.footer-col ul li a:hover { color: var(--gold-light); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

.footer-bottom .gold-text { color: var(--gold); }

/* =====================================================
   SCROLL-TO-TOP
   ===================================================== */
.scroll-top {
  position: fixed;
  bottom: var(--fab-bottom);
  right: var(--fab-right);
  width: 46px; height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--navy);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 16px rgba(200,146,42,0.4);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition), transform var(--transition);
  z-index: 998;
  text-decoration: none;
}

.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =====================================================
   WHATSAPP LIVE CHAT
   ===================================================== */
.whatsapp-chat {
  position: fixed;
  bottom: var(--wa-bottom);
  right: var(--fab-right);
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #ffffff;
  border-radius: 50px;
  padding: 14px 22px 14px 18px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: 0 6px 24px rgba(37,211,102,0.45);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.whatsapp-chat:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(37,211,102,0.55);
  color: #ffffff;
}

.whatsapp-chat.panel-open {
  background: #128C7E;
}

.whatsapp-label {
  white-space: nowrap;
}

@media (max-width: 480px) {
  .whatsapp-chat {
    bottom: var(--wa-bottom);
    right: var(--fab-right-mob);
    padding: 13px 16px;
    border-radius: 50%;
    gap: 0;
  }
  .whatsapp-label { display: none; }
  .scroll-top { bottom: var(--fab-bottom); right: var(--fab-right-mob); }
}

/* =====================================================
   WHATSAPP CHAT PANEL
   ===================================================== */
.wa-chat-panel {
  position: fixed;
  bottom: 148px;
  right: var(--fab-right);
  width: 340px;
  background: #ECE5DD;
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.22);
  z-index: 1001;
  overflow: hidden;
  display: none;
  flex-direction: column;
  font-family: 'Segoe UI', system-ui, sans-serif;
}

.wa-chat-panel.open {
  display: flex;
  animation: wa-panel-in 0.25s ease;
}

@keyframes wa-panel-in {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0)   scale(1);    }
}

.wa-panel-header {
  background: #075E54;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.wa-panel-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.wa-panel-info {
  flex: 1;
  min-width: 0;
}

.wa-panel-info strong {
  display: block;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
}

.wa-panel-info span {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.72);
}

.wa-panel-close {
  background: none;
  border: none;
  color: rgba(255,255,255,0.8);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  transition: color 0.2s;
}

.wa-panel-close:hover { color: #fff; }

.wa-panel-body {
  padding: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Crect width='200' height='200' fill='%23ECE5DD'/%3E%3C/svg%3E");
  min-height: 140px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.wa-panel-bubble {
  background: #fff;
  border-radius: 0 10px 10px 10px;
  padding: 10px 14px;
  max-width: 90%;
  box-shadow: 0 1px 2px rgba(0,0,0,0.12);
  position: relative;
}

.wa-panel-bubble::before {
  content: '';
  position: absolute;
  top: 0; left: -8px;
  border: 8px solid transparent;
  border-top-color: #fff;
  border-right-color: #fff;
}

.wa-panel-bubble p {
  font-size: 0.88rem;
  color: #303030;
  margin: 0 0 4px;
  line-height: 1.5;
}

.wa-panel-bubble .wa-time {
  font-size: 0.68rem;
  color: #8a8a8a;
  display: block;
  text-align: right;
}

.wa-quick-replies {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.wa-quick-reply {
  background: #fff;
  border: 1px solid #c5e8d0;
  border-radius: 20px;
  padding: 7px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #075E54;
  cursor: pointer;
  text-align: left;
  transition: background 0.18s, border-color 0.18s;
  font-family: inherit;
}

.wa-quick-reply:hover,
.wa-quick-reply.selected {
  background: #d4f3e2;
  border-color: #25D366;
}

.wa-panel-input {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: #f0f0f0;
  border-top: 1px solid #ddd;
}

.wa-panel-input input {
  flex: 1;
  border: none;
  border-radius: 20px;
  padding: 9px 14px;
  font-size: 0.88rem;
  font-family: inherit;
  background: #fff;
  color: #303030;
  outline: none;
}

.wa-send-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s;
  text-decoration: none;
}

.wa-send-btn:hover { background: #1da851; }

@media (max-width: 480px) {
  .wa-chat-panel {
    left: 16px;
    right: 16px;
    width: auto;
    bottom: 156px;
  }
}
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1024px) {
  .about-grid    { grid-template-columns: 1fr; gap: 3rem; }
  .about-visual  { max-width: 500px; margin: 0 auto; }
  .contact-grid  { grid-template-columns: 1fr; gap: 3rem; }
  .footer-grid   { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-steps::before { display: none; }
}

@media (max-width: 768px) {
  section { padding: 70px 0; }

  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero h1 { font-size: 2.2rem; }
  .hero-stats { gap: 1.5rem; }

  .about-pillars  { grid-template-columns: 1fr; }
  .services-grid  { grid-template-columns: 1fr; }
  .form-row       { grid-template-columns: 1fr; }
  .footer-grid    { grid-template-columns: 1fr; }
  .process-steps  { grid-template-columns: 1fr 1fr; }
  .services-cta-banner { text-align: center; justify-content: center; }
  .footer-bottom  { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.9rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .btn { width: 100%; justify-content: center; }
  .process-steps { grid-template-columns: 1fr; }
}