/*
Theme Name: Çelik OSGB Single Page Theme
Theme URI: http://www.celikosgb.com.tr/
Author: Çelik OSGB
Author URI: http://www.celikosgb.com.tr/
Description: Çelik Ortak Sağlık Güvenlik Birimi (Tarsus / Mersin) için turuncu, mürdüm ve kırmızı renk paletinde tasarlanmış modern, responsive, İSG ve İş Yeri Hekimliği odaklı kurumsal WordPress teması.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: celik-osgb
Tags: osgb, work-safety, single-page, orange-purple, responsive-layout
*/

/* ==========================================================================
   1. DESIGN SYSTEM & CSS VARIABLES
   ========================================================================== */
:root {
  /* Brand Color Palette (Safety Orange + Deep Purple/Plum + Warning Crimson) */
  --primary-orange: #f37021;
  --primary-orange-hover: #d95b0c;
  --primary-orange-light: #fff0e6;
  
  --brand-purple: #54154b;
  --brand-purple-dark: #380d32;
  --brand-purple-light: #7b246f;
  --purple-bg: #f7edfd;
  
  --accent-red: #d90429;
  
  --white: #ffffff;
  --off-white: #faf8f5;
  --light-gray: #f2eee9;
  --border-color: #ebdcd0;
  
  --text-dark: #23161a;
  --text-muted: #57464e;
  --text-light: #8e7c85;
  
  /* Shadows & Glassmorphism */
  --shadow-sm: 0 4px 14px rgba(84, 21, 75, 0.06);
  --shadow-md: 0 8px 24px rgba(243, 112, 33, 0.12);
  --shadow-lg: 0 16px 40px rgba(56, 13, 50, 0.16);
  --shadow-orange-glow: 0 0 25px rgba(243, 112, 33, 0.35);
  
  --glass-bg: rgba(255, 255, 255, 0.94);
  --glass-dark: rgba(56, 13, 50, 0.88);

  /* Radii & Transitions */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ==========================================================================
   2. BASE & RESET
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--off-white);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul {
  list-style: none;
}

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

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--off-white);
}
::-webkit-scrollbar-thumb {
  background: var(--primary-orange);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--brand-purple);
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

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

/* Section Tag & Headers */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-orange-light);
  color: var(--primary-orange);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
  border: 1px solid rgba(243, 112, 33, 0.25);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--brand-purple-dark);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-title span {
  color: var(--primary-orange);
  background: linear-gradient(135deg, var(--primary-orange) 0%, var(--accent-red) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 44px auto;
}

/* ==========================================================================
   3. TOP BAR & NAVBAR
   ========================================================================== */
.top-bar {
  background-color: var(--brand-purple-dark);
  color: #f3d4ed;
  font-size: 0.875rem;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.top-info {
  display: flex;
  align-items: center;
  gap: 24px;
}

.top-info-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-weight: 500;
}

.top-info-item i {
  color: var(--primary-orange);
}

.top-info-item a:hover {
  color: var(--primary-orange);
}

.top-badge {
  background: rgba(243, 112, 33, 0.2);
  color: #ffd8c0;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.8rem;
  border: 1px solid rgba(243, 112, 33, 0.4);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 84px;
}

.logo-brand {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 56px;
  width: auto;
  object-fit: contain;
  transition: var(--transition);
}

.logo-brand:hover .logo-img {
  transform: scale(1.03);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-link {
  font-weight: 700;
  color: var(--brand-purple-dark);
  position: relative;
  padding: 8px 0;
  font-size: 0.95rem;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-orange), var(--accent-red));
  border-radius: 2px;
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-orange);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-btn {
  background: linear-gradient(135deg, var(--primary-orange) 0%, #e05a0b 100%);
  color: var(--white);
  padding: 12px 26px;
  border-radius: var(--radius-full);
  font-weight: 800;
  box-shadow: 0 4px 16px rgba(243, 112, 33, 0.3);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(243, 112, 33, 0.45);
  color: var(--white);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--brand-purple-dark);
  cursor: pointer;
}

/* ==========================================================================
   4. HERO SECTION
   ========================================================================== */
.hero {
  position: relative;
  min-height: calc(100vh - 124px);
  display: flex;
  align-items: center;
  padding: 80px 0;
  background: radial-gradient(circle at top right, rgba(243, 112, 33, 0.12), transparent 50%),
              linear-gradient(180deg, var(--primary-orange-light) 0%, var(--off-white) 100%);
  overflow: hidden;
}

.hero-bg-image {
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  object-fit: cover;
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0% 100%);
  opacity: 0.92;
}

.hero-overlay {
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  background: linear-gradient(90deg, var(--off-white) 0%, rgba(250, 248, 245, 0.3) 35%, transparent 100%);
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0% 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 630px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--purple-bg);
  color: var(--brand-purple);
  font-weight: 800;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  margin-bottom: 24px;
  border: 1px solid rgba(84, 21, 75, 0.2);
}

.hero-title {
  font-size: 3.3rem;
  font-weight: 800;
  color: var(--brand-purple-dark);
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.hero-title span {
  color: var(--primary-orange);
  position: relative;
  display: inline-block;
}

.hero-title span::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 0;
  width: 100%;
  height: 12px;
  background: rgba(243, 112, 33, 0.25);
  z-index: -1;
  border-radius: 4px;
}

.hero-description {
  font-size: 1.18rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-orange) 0%, #e05a0b 100%);
  color: var(--white);
  padding: 16px 36px;
  border-radius: var(--radius-full);
  font-weight: 800;
  font-size: 1.05rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 25px rgba(243, 112, 33, 0.35);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(243, 112, 33, 0.5);
  color: var(--white);
}

.btn-purple {
  background: linear-gradient(135deg, var(--brand-purple) 0%, var(--brand-purple-dark) 100%);
  color: var(--white);
  padding: 16px 34px;
  border-radius: var(--radius-full);
  font-weight: 800;
  font-size: 1.05rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 25px rgba(84, 21, 75, 0.25);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-purple:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(84, 21, 75, 0.4);
  color: var(--white);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
}

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

.stat-number {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--brand-purple-dark);
  line-height: 1;
}

.stat-number span {
  color: var(--primary-orange);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 6px;
}

/* ==========================================================================
   5. ABOUT US SECTION
   ========================================================================== */
.about-section {
  padding: 100px 0;
  background-color: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-main-img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}

.about-badge-card {
  position: absolute;
  bottom: -25px;
  right: -20px;
  background: linear-gradient(135deg, var(--brand-purple-dark) 0%, var(--brand-purple) 100%);
  color: var(--white);
  padding: 22px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid rgba(243, 112, 33, 0.4);
}

.about-badge-card i {
  font-size: 2.4rem;
  color: var(--primary-orange);
}

.about-badge-card h4 {
  font-size: 1.4rem;
  font-weight: 800;
}

.about-badge-card p {
  font-size: 0.85rem;
  color: #e5bde0;
}

.about-text {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.8;
}

.about-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 28px;
}

.feature-item {
  background: var(--off-white);
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: var(--transition);
}

.feature-item:hover {
  transform: translateY(-4px);
  border-color: var(--primary-orange);
  box-shadow: var(--shadow-sm);
}

.feature-icon-box {
  width: 44px;
  height: 44px;
  background: var(--primary-orange-light);
  color: var(--primary-orange);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.feature-info h4 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--brand-purple-dark);
  margin-bottom: 4px;
}

.feature-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   6. SERVICES SECTION (Hizmetlerimiz)
   ========================================================================== */
.services-section {
  padding: 100px 0;
  background-color: var(--off-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-orange);
}

.service-img-box {
  height: 220px;
  position: relative;
  overflow: hidden;
}

.service-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-img {
  transform: scale(1.08);
}

.service-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--brand-purple-dark);
  color: var(--primary-orange);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 800;
  border: 1px solid rgba(243, 112, 33, 0.4);
}

.service-content {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-icon-small {
  width: 48px;
  height: 48px;
  background: var(--purple-bg);
  color: var(--brand-purple);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.service-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--brand-purple-dark);
  margin-bottom: 10px;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.service-btn {
  background: var(--primary-orange-light);
  color: var(--primary-orange);
  border: none;
  padding: 12px;
  border-radius: var(--radius-md);
  font-weight: 800;
  width: 100%;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.service-card:hover .service-btn {
  background: var(--primary-orange);
  color: var(--white);
}

/* ==========================================================================
   7. INTERACTIVE ISG COMPLIANCE & RISK CALCULATOR MODULE
   ========================================================================== */
.calculator-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--brand-purple-dark) 0%, var(--brand-purple) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.calculator-section .section-tag {
  background: rgba(255, 255, 255, 0.12);
  color: #ffc4a0;
  border-color: rgba(243, 112, 33, 0.3);
}

.calculator-section .section-title {
  color: var(--white);
}

.calculator-section .section-subtitle {
  color: #e5ccdf;
}

.calculator-card {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 44px;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0,0,0,0.3);
  max-width: 900px;
  margin: 0 auto;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 30px;
}

.calc-group label {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  color: #ffd8c0;
  margin-bottom: 8px;
}

.calc-select, .calc-input {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.95);
  color: var(--brand-purple-dark);
  font-weight: 700;
}

.calc-result-box {
  background: linear-gradient(135deg, rgba(243, 112, 33, 0.2) 0%, rgba(217, 4, 41, 0.2) 100%);
  border: 1px solid var(--primary-orange);
  padding: 24px;
  border-radius: var(--radius-md);
  display: none;
  animation: modalFadeIn 0.3s ease;
}

.calc-result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  text-align: center;
}

.result-stat-val {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary-orange);
}

.result-stat-lbl {
  font-size: 0.8rem;
  color: #e5bde0;
}

/* ==========================================================================
   8. REFERENCES & TESTIMONIALS SECTION (Referanslar)
   ========================================================================== */
.references-section {
  padding: 100px 0;
  background-color: var(--white);
}

.references-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.ref-card {
  background: var(--off-white);
  padding: 28px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: var(--transition);
}

.ref-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-orange);
  box-shadow: var(--shadow-sm);
  background: var(--white);
}

.ref-icon {
  width: 56px;
  height: 56px;
  background: var(--purple-bg);
  color: var(--brand-purple);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 16px auto;
}

.ref-card h4 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--brand-purple-dark);
  margin-bottom: 6px;
}

.ref-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   9. CONTACT SECTION
   ========================================================================== */
.contact-section {
  padding: 100px 0;
  background-color: var(--off-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  align-items: flex-start;
}

.contact-info-card {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 30px;
}

.contact-icon-box {
  width: 52px;
  height: 52px;
  background: var(--primary-orange-light);
  color: var(--primary-orange);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--brand-purple-dark);
  margin-bottom: 4px;
}

.contact-details p, .contact-details a {
  font-size: 0.98rem;
  color: var(--text-muted);
}

.contact-details a:hover {
  color: var(--primary-orange);
}

.contact-form-card {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--brand-purple-dark);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--off-white);
  color: var(--text-dark);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-orange);
  background-color: var(--white);
  box-shadow: 0 0 0 4px rgba(243, 112, 33, 0.15);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.alert-success-custom {
  display: none;
  background: var(--primary-orange-light);
  border: 1px solid var(--primary-orange);
  color: var(--brand-purple-dark);
  padding: 16px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-weight: 700;
}

/* ==========================================================================
   10. FOOTER & FLOATING ACTIONS
   ========================================================================== */
.footer {
  background-color: var(--brand-purple-dark);
  color: var(--white);
  padding: 80px 0 30px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-about p {
  color: #d1b8cc;
  font-size: 0.95rem;
  margin-top: 16px;
  line-height: 1.7;
}

.footer-logo-box {
  background: var(--white);
  padding: 8px 18px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
}

.footer-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 3px;
  background: var(--primary-orange);
  border-radius: 2px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: #d1b8cc;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-links a:hover {
  color: var(--primary-orange);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.88rem;
  color: #a38ba0;
}

/* Floating WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  color: white;
}

/* Lightbox Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(5px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-content {
  background: var(--white);
  width: 100%;
  max-width: 650px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  background: rgba(0,0,0,0.5);
  color: white;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

/* Responsive */
@media (max-width: 992px) {
  .top-bar {
    display: none;
  }
  .hero-bg-image, .hero-overlay {
    width: 100%;
    clip-path: none;
    opacity: 0.15;
  }
  .about-grid, .contact-grid, .calc-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .mobile-toggle {
    display: block;
  }
  .nav-menu {
    position: absolute;
    top: 84px;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 30px;
    box-shadow: var(--shadow-lg);
    display: none;
  }
  .nav-menu.active {
    display: flex;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .section-title {
    font-size: 1.85rem;
  }
  .hero-stats, .about-features-grid, .calc-result-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}