/* ===== CSS Custom Properties ===== */
:root {
  --primary: #1B7B7B;
  --primary-dark: #0F5C5C;
  --primary-light: #E8F5F5;
  --primary-50: #F4FAFA;
  --accent: #E8895C;
  --accent-dark: #D4734A;
  --accent-light: #FDF0E8;
  --text-dark: #1E293B;
  --text-muted: #64748B;
  --text-light: #FFFFFF;
  --bg: #FFFFFF;
  --bg-alt: #F4FAFA;
  --border: #E2E8F0;
  --footer-bg: #0A1628;
  --footer-text: #94A3B8;
  --footer-link: #CBD5E1;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
  --transition: 0.3s ease;
  --max-width: 1140px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* ===== Reset ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text-dark); background: var(--bg); line-height: 1.7; font-size: 16px; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ===== Container ===== */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 28px; border-radius: var(--radius); font-size: 15px; font-weight: 600; cursor: pointer; transition: var(--transition); border: 2px solid transparent; line-height: 1.4; }
.btn-primary { background: var(--accent); color: var(--text-light); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-outline { background: transparent; color: var(--text-light); border-color: var(--text-light); }
.btn-outline:hover { background: var(--text-light); color: var(--primary-dark); }
.btn-outline-dark { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline-dark:hover { background: var(--primary); color: var(--text-light); }

/* ===== Navigation ===== */
.navbar { position: fixed; top: 0; left: 0; width: 100%; background: var(--bg); border-bottom: 1px solid var(--border); z-index: 1000; }
.navbar .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { font-size: 20px; font-weight: 700; color: var(--primary); letter-spacing: -0.3px; }
.logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-size: 15px; font-weight: 500; color: var(--text-muted); transition: var(--transition); }
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links a.active { font-weight: 600; }
.nav-cta { padding: 8px 20px; font-size: 14px; }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 4px; flex-direction: column; gap: 5px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-dark); border-radius: 2px; transition: var(--transition); }

/* ===== Hero ===== */
.hero { padding: 140px 0 100px; background: linear-gradient(135deg, var(--primary-50) 0%, var(--bg) 50%, var(--accent-light) 100%); }
.hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-content h1 { font-size: 44px; font-weight: 800; line-height: 1.2; color: var(--text-dark); margin-bottom: 20px; letter-spacing: -1px; }
.hero-content h1 span { color: var(--primary); }
.hero-content p { font-size: 18px; color: var(--text-muted); margin-bottom: 32px; max-width: 520px; line-height: 1.8; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual { display: flex; align-items: center; justify-content: center; }
.hero-icon { width: 100%; max-width: 420px; aspect-ratio: 1; background: var(--primary-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 120px; position: relative; }
.hero-icon::after { content: ''; position: absolute; inset: -12px; border-radius: 50%; border: 2px dashed var(--primary); opacity: 0.3; }

/* ===== Section Common ===== */
.section-padding { padding: 90px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { font-size: 34px; font-weight: 700; color: var(--text-dark); margin-bottom: 12px; letter-spacing: -0.5px; }
.section-header p { font-size: 17px; color: var(--text-muted); max-width: 600px; margin: 0 auto; }
.bg-alt { background: var(--bg-alt); }

/* ===== Value Props ===== */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.value-card { text-align: center; padding: 36px 24px; border-radius: var(--radius-lg); background: var(--bg); border: 1px solid var(--border); transition: var(--transition); }
.value-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.value-card .icon { font-size: 40px; margin-bottom: 16px; display: block; }
.value-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; color: var(--text-dark); }
.value-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ===== Services ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card { padding: 36px 28px; border-radius: var(--radius-lg); background: var(--bg); border: 1px solid var(--border); transition: var(--transition); }
.service-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.service-card .icon { font-size: 36px; margin-bottom: 14px; display: block; }
.service-card h3 { font-size: 19px; font-weight: 600; margin-bottom: 8px; color: var(--text-dark); }
.service-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.service-card .learn-more { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 4px; }
.service-card .learn-more:hover { color: var(--accent); }
.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }

/* ===== About Strip ===== */
.about-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-strip-image { display: flex; align-items: center; justify-content: center; }
.about-strip-image .visual { width: 100%; max-width: 400px; aspect-ratio: 4/3; background: var(--accent-light); border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; font-size: 80px; }
.about-strip-content h2 { font-size: 34px; font-weight: 700; margin-bottom: 16px; line-height: 1.3; }
.about-strip-content p { font-size: 16px; color: var(--text-muted); margin-bottom: 20px; line-height: 1.8; }

/* ===== Credentials Strip ===== */
.credentials { background: var(--primary); color: var(--text-light); padding: 48px 0; }
.credentials-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; text-align: center; }
.credentials-item .label { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; opacity: 0.8; margin-bottom: 4px; }
.credentials-item .value { font-size: 20px; font-weight: 700; }

/* ===== CTA Band ===== */
.cta-band { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); padding: 72px 0; text-align: center; color: var(--text-light); }
.cta-band h2 { font-size: 34px; font-weight: 700; margin-bottom: 12px; }
.cta-band p { font-size: 17px; opacity: 0.9; margin-bottom: 28px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-band .btn-outline { border-color: var(--text-light); }
.cta-band .btn-outline:hover { background: var(--text-light); color: var(--primary); }

/* ===== Page Hero (Inner Pages) ===== */
.page-hero { padding: 130px 0 64px; background: linear-gradient(135deg, var(--primary-50) 0%, var(--bg) 100%); text-align: center; }
.page-hero h1 { font-size: 40px; font-weight: 800; color: var(--text-dark); margin-bottom: 12px; letter-spacing: -0.5px; }
.page-hero p { font-size: 18px; color: var(--text-muted); max-width: 560px; margin: 0 auto; }

/* ===== Content Section (Legal etc) ===== */
.content-section { padding: 64px 0 90px; }
.content-section .container { max-width: 800px; }
.content-section h2 { font-size: 24px; font-weight: 700; color: var(--text-dark); margin-top: 40px; margin-bottom: 12px; }
.content-section h2:first-child { margin-top: 0; }
.content-section h3 { font-size: 19px; font-weight: 600; color: var(--text-dark); margin-top: 28px; margin-bottom: 8px; }
.content-section p { font-size: 15px; color: var(--text-muted); margin-bottom: 16px; line-height: 1.8; }
.content-section ul { margin-bottom: 16px; padding-left: 24px; }
.content-section ul li { font-size: 15px; color: var(--text-muted); margin-bottom: 8px; line-height: 1.7; list-style-type: disc; }

/* ===== Contact Page ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 48px; }
.contact-info h3 { font-size: 22px; font-weight: 600; margin-bottom: 24px; color: var(--text-dark); }
.contact-detail { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 24px; }
.contact-detail .icon { font-size: 24px; flex-shrink: 0; margin-top: 2px; }
.contact-detail .detail-label { font-size: 13px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 2px; }
.contact-detail .detail-value { font-size: 16px; font-weight: 500; color: var(--text-dark); word-break: break-all; }
.contact-form { background: var(--bg-alt); padding: 36px; border-radius: var(--radius-lg); border: 1px solid var(--border); }
.contact-form h3 { font-size: 20px; font-weight: 600; margin-bottom: 20px; color: var(--text-dark); }
.contact-form .form-group { margin-bottom: 18px; }
.contact-form label { display: block; font-size: 14px; font-weight: 500; color: var(--text-dark); margin-bottom: 6px; }
.contact-form input, .contact-form textarea { width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 15px; font-family: var(--font); color: var(--text-dark); background: var(--bg); transition: var(--transition); }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(27,123,123,0.1); }
.contact-form textarea { min-height: 120px; resize: vertical; }

/* ===== Footer ===== */
.footer { background: var(--footer-bg); color: var(--footer-text); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-col h3 { font-size: 20px; font-weight: 700; color: var(--footer-link); margin-bottom: 12px; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: var(--footer-link); margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.5px; }
.footer-col p { font-size: 14px; line-height: 1.8; margin-bottom: 10px; }
.footer-col a { display: block; font-size: 14px; color: var(--footer-text); margin-bottom: 10px; transition: var(--transition); }
.footer-col a:hover { color: var(--accent); }
.footer-credentials { margin-top: 12px; padding-top: 12px; border-top: 1px solid rgba(255,255,255,0.08); font-size: 13px; }
.footer-bottom { padding: 24px 0; text-align: center; font-size: 13px; color: var(--footer-text); }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .navbar .container { height: 64px; }
  .hamburger { display: flex; }
  .nav-links { display: none; position: absolute; top: 64px; left: 0; width: 100%; background: var(--bg); border-bottom: 1px solid var(--border); flex-direction: column; padding: 20px 24px; gap: 16px; align-items: flex-start; box-shadow: var(--shadow-lg); }
  .nav-links.open { display: flex; }
  .nav-cta { width: 100%; text-align: center; }

  .hero { padding: 110px 0 60px; }
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-content h1 { font-size: 30px; }
  .hero-content p { font-size: 16px; }
  .hero-visual { order: -1; }
  .hero-icon { max-width: 200px; font-size: 60px; }

  .section-padding { padding: 56px 0; }
  .section-header h2 { font-size: 26px; }
  .section-header p { font-size: 15px; }

  .value-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .value-card { padding: 24px 16px; }

  .services-grid { grid-template-columns: 1fr; gap: 20px; }

  .about-strip { grid-template-columns: 1fr; gap: 32px; }
  .about-strip-image .visual { max-width: 280px; font-size: 60px; }
  .about-strip-content h2 { font-size: 26px; }

  .credentials-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }

  .cta-band h2 { font-size: 26px; }
  .cta-band p { font-size: 15px; }

  .page-hero { padding: 100px 0 44px; }
  .page-hero h1 { font-size: 30px; }

  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-form { padding: 24px; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 480px) {
  .value-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}