/* ============================================================
   ZENTARA TECHNOLOGIES PVT LTD — Civil Construction Services
   Main Stylesheet
   ============================================================
   HOW TO EDIT COLORS:
   Change the values in :root {} below to update the whole site.
   --yellow : Brand accent color (buttons, highlights)
   --dark   : Main dark background color
   --grey   : Section background grey
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;800&family=Barlow:wght@300;400;500;600&display=swap');

/* ── CSS Variables (easy to customise) ── */
:root {
  --yellow:      #F5A800;
  --yellow-dark: #D48F00;
  --dark:        #1B2A4A;
  --dark2:       #243660;
  --grey:        #F4F5F7;
  --mid-grey:    #6B7280;
  --white:       #FFFFFF;
  --text:        #1B2A4A;
  --border:      #DDE2EB;

  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'Barlow', sans-serif;

  --radius:  8px;
  --shadow:  0 4px 24px rgba(0,0,0,0.10);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.18);

  --transition: 0.3s ease;
  --nav-height: 70px;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Utility ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-pad { padding: 80px 0; }
.section-pad-sm { padding: 60px 0; }
.text-center { text-align: center; }
.text-yellow { color: var(--yellow); }
.bg-dark { background: var(--dark); color: var(--white); }
.bg-grey { background: var(--grey); }

/* ── Section Heading ── */
.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--dark);
  margin-bottom: 18px;
}
.section-title.light { color: var(--white); }
.section-subtitle {
  font-size: 1.05rem;
  color: var(--mid-grey);
  max-width: 600px;
  margin: 0 auto 48px;
}
.section-subtitle.light { color: rgba(255,255,255,0.72); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-transform: uppercase;
}
.btn-primary {
  background: var(--yellow);
  color: var(--dark);
  border-color: var(--yellow);
}
.btn-primary:hover {
  background: var(--yellow-dark);
  border-color: var(--yellow-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245,166,35,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--dark);
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--dark);
  color: var(--white);
  border-color: var(--dark);
}
.btn-dark:hover {
  background: var(--dark2);
  transform: translateY(-2px);
}
.btn-whatsapp {
  background: #25D366;
  color: var(--white);
  border-color: #25D366;
}
.btn-whatsapp:hover {
  background: #1EB858;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.35);
}
.btn-call {
  background: var(--dark);
  color: var(--white);
  border-color: var(--dark);
}
.btn-call:hover { background: #333; transform: translateY(-2px); }
.btn-email {
  background: #4A90D9;
  color: var(--white);
  border-color: #4A90D9;
}
.btn-email:hover { background: #3A7BC8; transform: translateY(-2px); }

/* ============================================================
   NAVIGATION
   ============================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}
#navbar.scrolled {
  background: var(--dark);
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}
.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.nav-logo .logo-main {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.nav-logo .logo-sub {
  font-size: 0.68rem;
  color: var(--yellow);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  padding: 6px 12px;
  border-radius: 4px;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--yellow); }
.nav-links .nav-cta {
  background: var(--yellow);
  color: var(--dark);
  padding: 8px 18px;
  border-radius: var(--radius);
  font-weight: 700;
  margin-left: 8px;
}
.nav-links .nav-cta:hover { background: var(--yellow-dark); color: var(--dark); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 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;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: var(--dark);
  padding: 20px;
  z-index: 999;
  border-top: 2px solid var(--yellow);
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color var(--transition);
}
.mobile-nav a:hover { color: var(--yellow); }
.mobile-nav a:last-child { border-bottom: none; }

/* ============================================================
   HERO SECTION
   ============================================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('images/hero-bg.jpeg');
  background-size: cover;
  background-position: center;
  z-index: 0;
}
/* Fallback gradient when image is absent */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1A1A1A 0%, #2C2C2C 40%, #3A3A2E 100%);
  opacity: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(10,10,10,0.72) 0%,
    rgba(10,10,10,0.45) 55%,
    rgba(10,10,10,0.20) 100%
  );
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding-top: 60px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245,166,35,0.15);
  border: 1px solid rgba(245,166,35,0.4);
  color: var(--yellow);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 40px;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}
.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--yellow);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 20px;
  text-transform: uppercase;
}
.hero-title span { color: var(--yellow); }
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.78);
  margin-bottom: 36px;
  max-width: 560px;
  line-height: 1.7;
}
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 56px;
}
.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.hero-stat {
  display: flex;
  flex-direction: column;
}
.hero-stat .num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--yellow);
  line-height: 1;
}
.hero-stat .label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}
.hero-scroll svg { color: var(--yellow); }
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ============================================================
   TICKER / TRUST BAR
   ============================================================ */
.trust-bar {
  background: var(--yellow);
  padding: 14px 0;
  overflow: hidden;
}
.ticker-wrap {
  display: flex;
  gap: 60px;
  animation: ticker 30s linear infinite;
  white-space: nowrap;
}
.ticker-wrap:hover { animation-play-state: paused; }
.ticker-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dark);
  flex-shrink: 0;
}
.ticker-item svg { opacity: 0.7; }
@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-image-wrap {
  position: relative;
}
.about-image-main {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.about-image-accent {
  position: absolute;
  bottom: -24px;
  right: -24px;
  width: 200px;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 5px solid var(--white);
  box-shadow: var(--shadow-lg);
}
.about-badge-float {
  position: absolute;
  top: 24px;
  left: -20px;
  background: var(--yellow);
  color: var(--dark);
  padding: 18px 22px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.about-badge-float .num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
  display: block;
}
.about-badge-float .lbl {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 2px;
}
.about-text .section-title { margin-bottom: 16px; }
.about-text p { color: var(--mid-grey); margin-bottom: 18px; }
.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0 36px;
}
.about-highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 500;
}
.about-highlight-item svg { color: var(--yellow); flex-shrink: 0; margin-top: 2px; }

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 58px; height: 58px;
  background: rgba(245,166,35,0.12);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--yellow);
  transition: background var(--transition);
}
.service-card:hover .service-icon { background: var(--yellow); color: var(--dark); }
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}
.service-card p { font-size: 0.93rem; color: var(--mid-grey); line-height: 1.65; }

/* ============================================================
   PROJECTS / PORTFOLIO
   ============================================================ */
.projects-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}
.filter-btn {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 20px;
  border: 2px solid var(--border);
  border-radius: 40px;
  background: transparent;
  color: var(--mid-grey);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--dark);
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.project-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  background: var(--dark);
}
.project-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  transition: transform 0.5s ease, opacity 0.3s ease;
  display: block;
}
.project-card:hover img {
  transform: scale(1.07);
  opacity: 0.6;
}
.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,0.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  transition: all var(--transition);
}
.project-tag {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 6px;
}
.project-overlay h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}
.project-overlay p { font-size: 0.85rem; color: rgba(255,255,255,0.7); }
.project-zoom {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  opacity: 0;
  width: 50px; height: 50px;
  background: var(--yellow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark);
  transition: all var(--transition);
}
.project-card:hover .project-zoom { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 20px;
}
.lightbox.active { display: flex; }
.lightbox-img-wrap {
  position: relative;
  max-width: 90vw;
  max-height: 80vh;
}
.lightbox img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.lightbox-caption {
  text-align: center;
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
  margin-top: 16px;
}
.lightbox-close {
  position: fixed;
  top: 20px; right: 24px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  opacity: 0.8;
  transition: opacity var(--transition), transform var(--transition);
}
.lightbox-close:hover { opacity: 1; transform: rotate(90deg); }
.lightbox-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(245,166,35,0.85);
  color: var(--dark);
  border: none;
  width: 46px; height: 46px;
  border-radius: 50%;
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.lightbox-nav:hover { background: var(--yellow); }
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }

/* ============================================================
   WHY CHOOSE US
   ============================================================ */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.why-image {
  position: relative;
}
.why-image img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  border-radius: var(--radius);
}
.why-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(245,166,35,0.2) 0%, transparent 60%);
  border-radius: var(--radius);
}
.experience-badge {
  position: absolute;
  bottom: 30px;
  right: -20px;
  background: var(--yellow);
  color: var(--dark);
  padding: 20px 24px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.experience-badge .num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
  display: block;
}
.experience-badge .lbl { font-size: 0.78rem; font-weight: 600; text-transform: uppercase; }
.why-features { display: flex; flex-direction: column; gap: 20px; margin-top: 32px; }
.why-feature {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 20px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.08);
  transition: all var(--transition);
}
.why-feature:hover {
  background: rgba(245,166,35,0.08);
  border-color: rgba(245,166,35,0.3);
  transform: translateX(6px);
}
.why-feature-icon {
  width: 46px; height: 46px;
  background: rgba(245,166,35,0.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--yellow);
  flex-shrink: 0;
}
.why-feature h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 5px;
}
.why-feature p { font-size: 0.88rem; color: rgba(255,255,255,0.6); }

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 56px;
}
.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}
.contact-info p { color: var(--mid-grey); margin-bottom: 32px; }
.contact-details { display: flex; flex-direction: column; gap: 18px; margin-bottom: 32px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.contact-item-icon {
  width: 44px; height: 44px;
  background: rgba(245,166,35,0.12);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--yellow);
  flex-shrink: 0;
}
.contact-item-text strong {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mid-grey);
  margin-bottom: 2px;
}
.contact-item-text span { font-size: 0.97rem; color: var(--text); font-weight: 500; }
.contact-action-buttons { display: flex; flex-wrap: wrap; gap: 12px; }

/* Contact Form */
.contact-form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}
.contact-form-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--dark);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label {
  font-size: 0.83rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mid-grey);
}
.form-group input,
.form-group textarea,
.form-group select {
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.97rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--yellow);
  box-shadow: 0 0 0 3px rgba(245,166,35,0.15);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-success {
  display: none;
  background: rgba(37,211,102,0.1);
  border: 1px solid rgba(37,211,102,0.4);
  border-radius: var(--radius);
  padding: 16px;
  color: #1a8a3e;
  font-weight: 500;
  text-align: center;
  margin-top: 16px;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.testimonial-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--transition);
}
.testimonial-card:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-4px);
}
.testimonial-stars {
  color: var(--yellow);
  font-size: 1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.testimonial-card p {
  font-size: 0.97rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: 20px;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--dark);
  flex-shrink: 0;
}
.testimonial-author strong {
  display: block;
  color: var(--white);
  font-size: 0.97rem;
  font-weight: 600;
}
.testimonial-author span { font-size: 0.82rem; color: rgba(255,255,255,0.5); }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: #111;
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-about .footer-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
}
.footer-about .footer-logo-sub {
  font-size: 0.7rem;
  color: var(--yellow);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 18px;
}
.footer-about p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.social-icon {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: all var(--transition);
  font-size: 0.9rem;
}
.social-icon:hover { background: var(--yellow); color: var(--dark); }
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-col ul li a:hover { color: var(--yellow); }
.footer-col ul li a::before { content: '›'; color: var(--yellow); font-size: 1.1rem; }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 12px;
}
.footer-contact-item svg { color: var(--yellow); flex-shrink: 0; margin-top: 2px; }
.footer-bottom {
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.84rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: var(--yellow); }

/* ============================================================
   WHATSAPP FLOATING BUTTON
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 888;
  width: 58px; height: 58px;
  background: #25D366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37,211,102,0.45);
  transition: all var(--transition);
  animation: float-pulse 3s infinite;
}
.whatsapp-float:hover {
  background: #1EB858;
  transform: scale(1.12);
  box-shadow: 0 10px 32px rgba(37,211,102,0.55);
}
.whatsapp-float svg { width: 28px; height: 28px; }
@keyframes float-pulse {
  0%, 100% { box-shadow: 0 6px 24px rgba(37,211,102,0.45); }
  50% { box-shadow: 0 6px 36px rgba(37,211,102,0.7); }
}
.whatsapp-tooltip {
  position: absolute;
  right: 68px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--dark);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-right: none;
  border-left-color: var(--dark);
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; }

/* ============================================================
   PAGE-SPECIFIC STYLES (about.html, services.html, etc.)
   ============================================================ */
.page-hero {
  background: var(--dark);
  padding: 140px 0 70px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('images/hero-bg.jpg') center/cover;
  opacity: 0.18;
}
.page-hero .container { position: relative; }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--white);
  text-transform: uppercase;
}
.page-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  margin-top: 10px;
}
.page-hero .breadcrumb a { color: var(--yellow); }
.page-hero .breadcrumb span { color: rgba(255,255,255,0.4); }

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   RESPONSIVE — TABLET (max 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-image-accent { display: none; }
  .about-image-main { height: 340px; }
  .about-badge-float { left: 16px; }
  .why-grid { grid-template-columns: 1fr; gap: 40px; }
  .experience-badge { right: 16px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   RESPONSIVE — MOBILE (max 768px)
   ============================================================ */
@media (max-width: 768px) {
  .section-pad { padding: 60px 0; }

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

  /* Hero */
  .hero-buttons { flex-direction: column; align-items: flex-start; }
  .hero-stats { gap: 28px; }

  /* About */
  .about-highlights { grid-template-columns: 1fr; }

  /* Services */
  .services-grid { grid-template-columns: 1fr; }

  /* Projects */
  .projects-grid { grid-template-columns: 1fr; }

  /* Why */
  .why-image img { height: 280px; }
  .experience-badge { display: none; }

  /* Form */
  .form-row { grid-template-columns: 1fr; }
  .contact-form-card { padding: 28px 20px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

  /* Lightbox nav */
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
}

/* ============================================================
   RESPONSIVE — SMALL MOBILE (max 480px)
   ============================================================ */
@media (max-width: 480px) {
  .hero-title { font-size: 2.4rem; }
  .btn { padding: 12px 20px; font-size: 0.9rem; }
  .contact-action-buttons { flex-direction: column; }
}