/* ============================================================
   Antalya Solar Energy Co. — Corporate Blue & Orange Theme
   Primary: #16335B | Accent: #FF6B35 | Font: Barlow/Roboto
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;600;700;800&family=Roboto:wght@400;500;700&display=swap');

:root {
  --primary: #16335B;
  --primary-dark: #0d2040;
  --primary-light: #1e4480;
  --accent: #FF6B35;
  --accent-dark: #e05520;
  --accent-light: #ff8c5e;
  --text: #1a1a2e;
  --text-light: #555577;
  --bg: #ffffff;
  --bg-alt: #f4f7fc;
  --bg-dark: #e8edf5;
  --border: #d0daea;
  --shadow: 0 4px 24px rgba(22,51,91,0.10);
  --shadow-lg: 0 12px 48px rgba(22,51,91,0.16);
  --radius: 6px;
  --radius-lg: 12px;
  --transition: 0.3s ease;
  --font-main: 'Barlow', sans-serif;
  --font-body: 'Roboto', sans-serif;
  --container: 1240px;
}

*, *::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(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-main);
  font-weight: 700;
  color: var(--primary);
  line-height: 1.25;
}

h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }

p { margin-bottom: 1rem; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-dark); }
img { max-width: 100%; display: block; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }

/* ---- TOPBAR ---- */
.topbar {
  background: var(--primary-dark);
  color: #c8d8f0;
  font-size: 0.82rem;
  padding: 8px 0;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 20px; }
.topbar a { color: #c8d8f0; }
.topbar a:hover { color: #FF6B35; }
.topbar-item { display: flex; align-items: center; gap: 6px; }
.topbar-item svg { flex-shrink: 0; }

/* ---- HEADER / NAV ---- */
.site-header {
  background: var(--bg);
  box-shadow: 0 2px 16px rgba(22,51,91,0.08);
  position: sticky;
  top: 0;
  z-index: 999;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }

/* Logo */
.logo-wrap { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-svg { width: 48px; height: 48px; animation: slideInLeft 0.8s ease; }
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-30px); } to { opacity: 1; transform: translateX(0); } }
.logo-text { display: flex; flex-direction: column; }
.logo-name { font-family: var(--font-main); font-weight: 800; font-size: 1.1rem; color: var(--primary); line-height: 1.1; }
.logo-sub { font-size: 0.72rem; color: var(--accent); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }

/* Nav links */
.nav-menu { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-menu > li { position: relative; }
.nav-menu > li > a {
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--primary);
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: all var(--transition);
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.nav-menu > li > a:hover,
.nav-menu > li > a.active { color: var(--accent); background: rgba(255,107,53,0.06); }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 240px;
  background: var(--bg);
  box-shadow: var(--shadow-lg);
  border-top: 3px solid var(--accent);
  border-radius: 0 0 var(--radius) var(--radius);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.25s ease;
  list-style: none;
  z-index: 100;
}
.dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a {
  display: block;
  padding: 10px 18px;
  font-size: 0.88rem;
  color: var(--text);
  font-family: var(--font-body);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}
.dropdown-menu a:hover { background: var(--bg-alt); color: var(--accent); padding-left: 24px; }

/* CTA nav button */
.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 10px 20px !important;
  border-radius: var(--radius) !important;
  font-weight: 700 !important;
}
.nav-cta:hover { background: var(--accent-dark) !important; color: #fff !important; }

/* Hamburger */
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--primary); margin: 5px 0; 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); }

/* ---- HERO ---- */
.hero {
  background: linear-gradient(135deg, #0d2040 0%, #16335B 50%, #1e4480 100%);
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 60%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(255,107,53,0.08) 100%);
  clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%);
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 60px;
  background: var(--bg);
  clip-path: polygon(0 100%, 100% 100%, 100% 0);
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,107,53,0.15);
  border: 1px solid rgba(255,107,53,0.4);
  color: var(--accent-light);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-main);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}
.hero h1 { color: #fff; margin-bottom: 1.2rem; }
.hero h1 span { color: var(--accent); }
.hero-sub { color: rgba(255,255,255,0.8); font-size: 1.1rem; margin-bottom: 2rem; max-width: 520px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 2.5rem; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,107,53,0.4); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
.btn-outline:hover { background: rgba(255,255,255,0.1); color: #fff; border-color: #fff; }
.btn-dark { background: var(--primary); color: #fff; }
.btn-dark:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); }
.btn-lg { padding: 16px 36px; font-size: 1rem; }
.btn-sm { padding: 8px 18px; font-size: 0.82rem; }

.hero-stats { display: flex; gap: 32px; }
.hero-stat { text-align: center; }
.hero-stat-num { font-family: var(--font-main); font-size: 1.8rem; font-weight: 800; color: var(--accent); display: block; }
.hero-stat-label { font-size: 0.75rem; color: rgba(255,255,255,0.65); text-transform: uppercase; letter-spacing: 0.06em; }

/* Hero Visual */
.hero-visual { position: relative; }
.hero-panel-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-panel-cell {
  aspect-ratio: 1;
  background: linear-gradient(135deg, #1a3a6e, #2456a4);
  position: relative;
  overflow: hidden;
}
.hero-panel-cell::before {
  content: '';
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(255,255,255,0.1);
}
.hero-panel-cell:nth-child(odd) { background: linear-gradient(135deg, #132f5c, #1e4480); }
.hero-floating-badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--accent);
  color: #fff;
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  font-family: var(--font-main);
  font-weight: 800;
  font-size: 1.5rem;
  box-shadow: 0 8px 24px rgba(255,107,53,0.5);
}
.hero-floating-badge span { display: block; font-size: 0.75rem; font-weight: 600; opacity: 0.9; }

/* ---- TRUST BADGES ---- */
.trust-section { padding: 40px 0; border-bottom: 1px solid var(--border); }
.trust-inner { display: flex; justify-content: center; align-items: center; gap: 40px; flex-wrap: wrap; }
.trust-badge {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 16px 24px;
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg);
  transition: all var(--transition);
  min-width: 110px;
}
.trust-badge:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateY(-3px); }
.trust-badge svg { width: 40px; height: 40px; }
.trust-badge span { font-family: var(--font-main); font-weight: 700; font-size: 0.78rem; color: var(--primary); text-transform: uppercase; letter-spacing: 0.06em; text-align: center; }

/* ---- SECTION HEADERS ---- */
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block;
  background: rgba(255,107,53,0.1);
  color: var(--accent);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  font-family: var(--font-main);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.section-header h2 { margin-bottom: 16px; }
.section-header p { color: var(--text-light); max-width: 600px; margin: 0 auto; font-size: 1.05rem; }

/* ---- SERVICES GRID ---- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  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: 60px; height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  transition: all var(--transition);
}
.service-card:hover .service-icon { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); }
.service-icon svg { width: 28px; height: 28px; color: #fff; }
.service-card h3 { margin-bottom: 12px; font-size: 1.15rem; }
.service-card p { color: var(--text-light); font-size: 0.9rem; margin-bottom: 16px; }
.service-link { color: var(--accent); font-weight: 600; font-size: 0.88rem; display: inline-flex; align-items: center; gap: 6px; }

/* ---- WHY US ---- */
.whyus-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.whyus-visual {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.whyus-visual::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  background: rgba(255,107,53,0.15);
  border-radius: 50%;
}
.whyus-stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; position: relative; }
.whyus-stat-item { text-align: center; }
.whyus-stat-num { font-family: var(--font-main); font-size: 2.5rem; font-weight: 800; color: var(--accent); display: block; }
.whyus-stat-label { font-size: 0.82rem; color: rgba(255,255,255,0.7); }
.advantages-list { list-style: none; display: flex; flex-direction: column; gap: 20px; }
.advantage-item { display: flex; align-items: flex-start; gap: 16px; }
.advantage-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
}
.advantage-icon svg { width: 22px; height: 22px; color: #fff; }
.advantage-text h4 { font-size: 1rem; margin-bottom: 4px; }
.advantage-text p { color: var(--text-light); font-size: 0.88rem; margin: 0; }

/* ---- PROCESS TIMELINE ---- */
.process-timeline { display: flex; gap: 0; position: relative; }
.process-timeline::before {
  content: '';
  position: absolute;
  top: 32px; left: 32px; right: 32px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.process-step { flex: 1; text-align: center; padding: 0 16px; position: relative; }
.process-num {
  width: 64px; height: 64px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-main);
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0 auto 16px;
  border: 4px solid var(--bg);
  box-shadow: 0 0 0 2px var(--primary);
  transition: all var(--transition);
  position: relative; z-index: 1;
}
.process-step:hover .process-num { background: var(--accent); box-shadow: 0 0 0 2px var(--accent); }
.process-step h4 { font-size: 0.95rem; margin-bottom: 8px; }
.process-step p { color: var(--text-light); font-size: 0.82rem; margin: 0; }

/* ---- CALCULATOR ---- */
.calculator-wrap {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 60px;
  position: relative;
  overflow: hidden;
}
.calculator-wrap::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 320px; height: 320px;
  background: rgba(255,107,53,0.1);
  border-radius: 50%;
}
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.calc-form-side .section-header { text-align: left; }
.calc-form-side .section-header h2 { color: #fff; }
.calc-form-side .section-header p { color: rgba(255,255,255,0.7); }
.calc-group { margin-bottom: 24px; }
.calc-label { display: block; color: rgba(255,255,255,0.85); font-size: 0.88rem; font-weight: 600; margin-bottom: 8px; font-family: var(--font-main); }
.calc-input {
  width: 100%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 1rem;
  outline: none;
  transition: all var(--transition);
}
.calc-input:focus { border-color: var(--accent); background: rgba(255,255,255,0.15); }
.calc-input::placeholder { color: rgba(255,255,255,0.4); }
.calc-results { background: rgba(255,255,255,0.08); border-radius: var(--radius-lg); padding: 32px; }
.calc-result-title { color: #fff; font-family: var(--font-main); font-size: 1.1rem; font-weight: 700; margin-bottom: 24px; }
.calc-result-item { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.calc-result-item:last-child { border-bottom: none; }
.calc-result-label { color: rgba(255,255,255,0.7); font-size: 0.88rem; }
.calc-result-value { color: var(--accent); font-family: var(--font-main); font-weight: 700; font-size: 1.1rem; }
.calc-result-highlight { background: rgba(255,107,53,0.15); border-radius: var(--radius); padding: 16px; margin-top: 16px; text-align: center; }
.calc-result-highlight span { display: block; color: rgba(255,255,255,0.7); font-size: 0.82rem; }
.calc-result-highlight strong { font-family: var(--font-main); font-size: 2rem; color: var(--accent); font-weight: 800; }

/* ---- COUNTERS ---- */
.counters-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.counter-card { text-align: center; padding: 40px 20px; }
.counter-num {
  font-family: var(--font-main);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--primary);
  display: block;
  line-height: 1;
  margin-bottom: 8px;
}
.counter-suffix { color: var(--accent); }
.counter-label { color: var(--text-light); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; font-family: var(--font-main); }

/* ---- TESTIMONIALS ---- */
.testimonials-slider { overflow: hidden; position: relative; }
.testimonials-track {
  display: flex;
  animation: scrollTestimonials 24s linear infinite;
  width: max-content;
}
.testimonials-track:hover { animation-play-state: paused; }
@keyframes scrollTestimonials {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.testimonial-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 380px;
  flex-shrink: 0;
  margin-right: 24px;
  box-shadow: var(--shadow);
}
.testimonial-stars { color: #f5a623; font-size: 1.1rem; margin-bottom: 16px; }
.testimonial-text { color: var(--text); font-size: 0.95rem; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 1.1rem;
}
.testimonial-name { font-weight: 700; font-size: 0.92rem; color: var(--primary); }
.testimonial-role { font-size: 0.78rem; color: var(--text-light); }

/* ---- PROJECTS GALLERY ---- */
.projects-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  cursor: pointer;
}
.project-bg {
  width: 100%; height: 100%;
  transition: transform 0.5s ease;
}
.project-card:hover .project-bg { transform: scale(1.05); }
.project-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(22,51,91,0.9) 0%, transparent 60%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 20px;
  transition: all var(--transition);
}
.project-tag {
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  font-family: var(--font-main);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  width: fit-content;
  margin-bottom: 8px;
}
.project-title { color: #fff; font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.project-spec { color: rgba(255,255,255,0.7); font-size: 0.78rem; }

/* ---- FAQ ACCORDION ---- */
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.faq-question {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  background: var(--bg);
  transition: all var(--transition);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 1rem;
  color: var(--primary);
  border: none;
  width: 100%;
  text-align: left;
}
.faq-question:hover { background: var(--bg-alt); }
.faq-item.open .faq-question { background: var(--primary); color: #fff; }
.faq-icon {
  width: 28px; height: 28px; flex-shrink: 0;
  background: var(--bg-alt);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  font-size: 1.2rem;
  font-weight: 300;
}
.faq-item.open .faq-icon { background: var(--accent); color: #fff; transform: rotate(45deg); }
.faq-answer { padding: 0 24px; max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; }
.faq-item.open .faq-answer { max-height: 500px; padding: 20px 24px; }
.faq-answer p { color: var(--text-light); margin: 0; }

/* ---- MAP + CONTACT ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.map-wrap { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.map-wrap iframe { width: 100%; height: 360px; border: none; display: block; }
.contact-info-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 32px; }
.contact-info-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-info-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
}
.contact-info-icon svg { width: 22px; height: 22px; color: #fff; }
.contact-info-text strong { display: block; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-light); margin-bottom: 2px; font-family: var(--font-main); }
.contact-info-text a, .contact-info-text span { color: var(--primary); font-weight: 600; }

/* ---- FOOTER ---- */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .logo-wrap { margin-bottom: 16px; }
.footer-brand .logo-name { color: #fff; }
.footer-brand p { font-size: 0.88rem; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.social-btn {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: all var(--transition);
}
.social-btn:hover { background: var(--accent); color: #fff; }
.social-btn svg { width: 16px; height: 16px; }
.footer-col h4 { color: #fff; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; font-family: var(--font-main); }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 0.88rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-newsletter { margin-top: 8px; }
.footer-newsletter p { font-size: 0.85rem; margin-bottom: 12px; }
.newsletter-form { display: flex; gap: 8px; }
.newsletter-input {
  flex: 1; padding: 10px 14px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  color: #fff;
  font-size: 0.88rem;
  outline: none;
}
.newsletter-input::placeholder { color: rgba(255,255,255,0.4); }
.newsletter-btn {
  padding: 10px 18px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 700;
  font-size: 0.82rem;
  font-family: var(--font-main);
  transition: all var(--transition);
}
.newsletter-btn:hover { background: var(--accent-dark); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--accent); }

/* ---- STICKY CTA ---- */
.sticky-cta {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 990;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}
.sticky-btn {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px;
  border-radius: 50px;
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
  text-decoration: none;
}
.sticky-btn-main { background: var(--accent); color: #fff; }
.sticky-btn-main:hover { background: var(--accent-dark); color: #fff; transform: scale(1.05); }
.sticky-btn-wa { background: #25D366; color: #fff; }
.sticky-btn-wa:hover { background: #1da851; color: #fff; transform: scale(1.05); }
.sticky-btn svg { width: 20px; height: 20px; flex-shrink: 0; }

/* ---- POPUP / MODAL ---- */
.popup-overlay {
  position: fixed; inset: 0;
  background: rgba(22,51,91,0.7);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.popup-overlay.open { opacity: 1; visibility: visible; }
.popup-box {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  width: 100%;
  max-width: 560px;
  position: relative;
  box-shadow: 0 24px 80px rgba(22,51,91,0.3);
  animation: popIn 0.4s ease;
}
@keyframes popIn { from { opacity: 0; transform: scale(0.9) translateY(20px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.popup-close {
  position: absolute;
  top: 16px; right: 16px;
  background: none; border: none; cursor: pointer;
  color: var(--text-light); font-size: 1.5rem;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  transition: all var(--transition);
}
.popup-close:hover { background: var(--bg-alt); color: var(--text); }
.popup-box h3 { margin-bottom: 8px; font-size: 1.4rem; }
.popup-box p { color: var(--text-light); margin-bottom: 24px; font-size: 0.92rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 0; }
.form-group.full { grid-column: 1 / -1; }
.form-label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--primary); margin-bottom: 6px; font-family: var(--font-main); }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: var(--font-body);
  color: var(--text);
  outline: none;
  transition: border-color var(--transition);
  background: var(--bg);
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--accent); }
.form-textarea { resize: vertical; min-height: 80px; }
.form-checkbox { display: flex; align-items: flex-start; gap: 10px; }
.form-checkbox input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--accent); flex-shrink: 0; }
.form-checkbox label { font-size: 0.8rem; color: var(--text-light); }
.form-checkbox a { color: var(--accent); }
.form-honeypot { display: none; }
.popup-or { text-align: center; margin: 20px 0 16px; color: var(--text-light); font-size: 0.82rem; position: relative; }
.popup-or::before, .popup-or::after { content: ''; position: absolute; top: 50%; width: 42%; height: 1px; background: var(--border); }
.popup-or::before { left: 0; }
.popup-or::after { right: 0; }
.wa-link {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: #25D366; color: #fff;
  padding: 12px; border-radius: var(--radius);
  font-weight: 700; font-family: var(--font-main);
  transition: all var(--transition);
}
.wa-link:hover { background: #1da851; color: #fff; }

/* ---- INNER PAGE HEADER ---- */
.page-header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}
.page-header::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 40px;
  background: var(--bg);
  clip-path: polygon(0 100%, 100% 100%, 100% 0);
}
.page-header h1 { color: #fff; margin-bottom: 12px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,0.6); font-size: 0.85rem; }
.breadcrumb a { color: rgba(255,255,255,0.6); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: rgba(255,255,255,0.3); }

/* ---- SERVICE PAGE ---- */
.service-content { max-width: 860px; }
.service-content h2 { margin-top: 48px; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 3px solid var(--accent); display: inline-block; }
.service-content p { color: var(--text-light); line-height: 1.8; }
.service-content ul { color: var(--text-light); padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.service-content ul li::before { content: '→'; color: var(--accent); margin-right: 8px; font-weight: 700; }
.specs-table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.specs-table th, .specs-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.specs-table th { background: var(--primary); color: #fff; font-family: var(--font-main); }
.specs-table tr:nth-child(even) { background: var(--bg-alt); }
.service-sidebar { position: sticky; top: 100px; }
.sidebar-box { background: var(--bg-alt); border-radius: var(--radius-lg); padding: 28px; margin-bottom: 24px; border: 1px solid var(--border); }
.sidebar-box h4 { margin-bottom: 16px; font-size: 1rem; }
.sidebar-cta { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; text-align: center; }
.sidebar-cta h4 { color: #fff; }
.sidebar-cta p { color: rgba(255,255,255,0.8); font-size: 0.88rem; margin-bottom: 16px; }
.service-layout { display: grid; grid-template-columns: 1fr 320px; gap: 60px; align-items: start; }
.service-process-step { display: flex; gap: 20px; margin-bottom: 24px; align-items: flex-start; }
.step-num { width: 36px; height: 36px; flex-shrink: 0; background: var(--accent); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: var(--font-main); font-weight: 700; }
.cta-section { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); padding: 80px 0; text-align: center; }
.cta-section h2 { color: #fff; margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.75); margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---- BLOG ---- */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.blog-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  background: var(--bg);
}
.blog-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.blog-thumb {
  height: 200px;
  position: relative;
  overflow: hidden;
}
.blog-thumb-bg { width: 100%; height: 100%; transition: transform 0.5s ease; }
.blog-card:hover .blog-thumb-bg { transform: scale(1.05); }
.blog-category {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--accent);
  color: #fff;
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-main);
  text-transform: uppercase;
}
.blog-body { padding: 24px; }
.blog-meta { font-size: 0.78rem; color: var(--text-light); margin-bottom: 10px; display: flex; gap: 16px; }
.blog-body h3 { margin-bottom: 10px; font-size: 1.1rem; }
.blog-body h3 a { color: var(--primary); }
.blog-body h3 a:hover { color: var(--accent); }
.blog-body p { color: var(--text-light); font-size: 0.88rem; margin-bottom: 16px; }
.blog-read-more { color: var(--accent); font-weight: 600; font-size: 0.85rem; display: inline-flex; align-items: center; gap: 6px; }
.blog-article { max-width: 820px; margin: 0 auto; }
.blog-article h2 { margin-top: 40px; margin-bottom: 16px; }
.blog-article p { color: var(--text-light); line-height: 1.85; margin-bottom: 1.2rem; }
.blog-article ul, .blog-article ol { color: var(--text-light); padding-left: 20px; margin-bottom: 1.2rem; }
.blog-article li { margin-bottom: 6px; }

/* ---- ABOUT ---- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-visual { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); border-radius: var(--radius-lg); padding: 48px; position: relative; min-height: 400px; display: flex; align-items: center; justify-content: center; }
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.team-card { text-align: center; padding: 28px 20px; background: var(--bg-alt); border-radius: var(--radius-lg); }
.team-avatar { width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 16px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); display: flex; align-items: center; justify-content: center; color: #fff; font-family: var(--font-main); font-weight: 700; font-size: 1.5rem; }
.team-name { font-weight: 700; margin-bottom: 4px; }
.team-role { color: var(--text-light); font-size: 0.85rem; }
.certifications-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cert-item { text-align: center; padding: 24px 16px; border: 1px solid var(--border); border-radius: var(--radius-lg); transition: all var(--transition); }
.cert-item:hover { border-color: var(--accent); box-shadow: var(--shadow); }
.cert-item svg { width: 48px; height: 48px; margin: 0 auto 12px; color: var(--primary); }
.cert-item span { font-size: 0.82rem; font-weight: 700; color: var(--primary); font-family: var(--font-main); text-transform: uppercase; letter-spacing: 0.06em; }

/* ---- PROJECTS PAGE ---- */
.projects-filter { display: flex; gap: 12px; justify-content: center; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn {
  padding: 8px 20px;
  border: 2px solid var(--border);
  background: none;
  border-radius: 50px;
  cursor: pointer;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-light);
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active { border-color: var(--accent); color: var(--accent); background: rgba(255,107,53,0.06); }

/* ---- CONTACT PAGE ---- */
.contact-form-box { background: var(--bg-alt); border-radius: var(--radius-lg); padding: 40px; }
.contact-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ---- 404 ---- */
.page-404 { min-height: 70vh; display: flex; align-items: center; justify-content: center; text-align: center; }
.page-404 h1 { font-size: 8rem; color: var(--accent); line-height: 1; }
.page-404 h2 { font-size: 2rem; margin-bottom: 16px; }
.page-404 p { color: var(--text-light); margin-bottom: 32px; }

/* ---- UTILITIES ---- */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.tag { display: inline-block; background: var(--bg-alt); border: 1px solid var(--border); padding: 4px 12px; border-radius: 20px; font-size: 0.78rem; font-weight: 600; font-family: var(--font-main); color: var(--text-light); margin: 4px; }
.alert { padding: 12px 16px; border-radius: var(--radius); margin-top: 12px; font-size: 0.88rem; }
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }
  .whyus-grid { grid-template-columns: 1fr; }
  .calc-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .counters-grid { grid-template-columns: repeat(2, 1fr); }
  .process-timeline { flex-direction: column; }
  .process-timeline::before { display: none; }
  .service-layout { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .nav-menu { display: none; position: absolute; top: 72px; left: 0; right: 0; background: var(--bg); flex-direction: column; padding: 20px; box-shadow: var(--shadow); align-items: flex-start; gap: 0; }
  .nav-menu.open { display: flex; }
  .nav-menu > li > a { width: 100%; border-bottom: 1px solid var(--border); border-radius: 0; }
  .dropdown-menu { position: static; box-shadow: none; border: none; padding-left: 16px; transform: none; opacity: 1; visibility: visible; }
  .hamburger { display: flex; flex-direction: column; }
  .services-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .certifications-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .topbar-left { display: none; }
  .calculator-wrap { padding: 32px 24px; }
  .hero { padding: 80px 0 60px; }
  .popup-box { padding: 32px 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .contact-form-grid { grid-template-columns: 1fr; }
  .sticky-cta { bottom: 20px; right: 16px; }
  .hero-btns { justify-content: center; }
  .process-step { padding: 0; }
}