/*
Theme Name: Volum Enerji Kurumsal
Theme URI: https://volumenerji.org
Author: Volum Enerji
Description: Soğutma kuleleri, trijenerasyon ve teknik servis odaklı kurumsal tema.
Version: 1.0
Text Domain: volumenerji
*/

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #111827;
  background-color: #f3f4f6;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* HEADER */

.site-header {
  background-color: #0b1120;
  color: #f9fafb;
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 14px;
}

.site-branding span.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid rgba(248, 250, 252, 0.3);
  font-size: 11px;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
  font-size: 14px;
}

.main-nav a {
  opacity: 0.85;
}

.main-nav a:hover {
  opacity: 1;
}

.header-cta {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #022c22;
  font-weight: 600;
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
}

/* HERO */

.hero {
  background: radial-gradient(circle at top, #1f2937 0, #020617 45%, #020617 100%);
  color: #f9fafb;
  padding: 64px 0 72px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.6fr);
  gap: 40px;
  align-items: center;
}

.hero-kicker {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #a5b4fc;
  margin-bottom: 8px;
}

.hero-title {
  font-size: 36px;
  line-height: 1.1;
  font-weight: 700;
  margin: 0 0 12px;
}

.hero-title span.accent {
  color: #22c55e;
}

.hero-subtitle {
  font-size: 16px;
  color: #e5e7eb;
  max-width: 480px;
  margin-bottom: 20px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.hero-badge {
  font-size: 12px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  padding: 4px 10px;
  color: #cbd5f5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.btn-primary {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #022c22;
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
}

.btn-outline {
  border-radius: 999px;
  padding: 9px 16px;
  font-size: 13px;
  border: 1px solid rgba(148, 163, 184, 0.8);
  color: #e5e7eb;
}

.hero-note {
  font-size: 11px;
  color: #9ca3af;
}

.hero-right {
  background: radial-gradient(circle at top left, #22c55e1a, #020617 55%);
  border-radius: 24px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  padding: 18px 18px 16px;
}

.hero-right-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #9ca3af;
  margin-bottom: 12px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.hero-card {
  background: radial-gradient(circle at top left, #0ea5e91f, #020617);
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  padding: 12px 12px 10px;
}

.hero-card-title {
  font-size: 12px;
  color: #e5e7eb;
  margin-bottom: 4px;
}

.hero-card-body {
  font-size: 11px;
  color: #9ca3af;
}

.hero-metric {
  font-size: 18px;
  font-weight: 600;
  color: #f9fafb;
}

/* SECTION GENEL */

.section {
  padding: 56px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 32px;
}

.section-eyebrow {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #6b7280;
  margin-bottom: 6px;
}

.section-title {
  font-size: 26px;
  margin: 0 0 8px;
}

.section-desc {
  font-size: 14px;
  color: #6b7280;
}

/* HAKKIMIZDA */

.about {
  background-color: #ffffff;
}

.about-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.about-highlight {
  font-size: 14px;
  color: #374151;
  line-height: 1.6;
}

.about-points {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.about-point {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: #4b5563;
}

.about-point span.bullet {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: #22c55e1a;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: #16a34a;
}

/* HİZMETLER */

.services {
  background-color: #f9fafb;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  background-color: #ffffff;
  border-radius: 16px;
  padding: 16px 14px;
  border: 1px solid #e5e7eb;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.service-tag {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #6b7280;
}

.service-title {
  font-size: 15px;
  font-weight: 600;
}

.service-text {
  font-size: 13px;
  color: #6b7280;
}

/* REFERANSLAR / MARKALAR */

.brands {
  background-color: #ffffff;
}

.brands-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
  font-size: 12px;
  color: #4b5563;
}

.brand-pill {
  border-radius: 999px;
  border: 1px solid #e5e7eb;
  padding: 8px 14px;
  background-color: #f9fafb;
}

/* HABERLER */

.news {
  background-color: #f3f4f6;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.news-card {
  background-color: #ffffff;
  border-radius: 16px;
  padding: 16px;
  border: 1px solid #e5e7eb;
}

.news-card-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.news-card-meta {
  font-size: 11px;
  color: #9ca3af;
  margin-bottom: 6px;
}

.news-card-excerpt {
  font-size: 13px;
  color: #6b7280;
}

/* İLETİŞİM CTA */

.contact-cta {
  background: linear-gradient(135deg, #0f172a, #020617);
  color: #f9fafb;
}

.contact-cta-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: center;
}

.contact-cta-text {
  max-width: 520px;
}

.contact-cta-text h2 {
  margin: 0 0 8px;
  font-size: 24px;
}

.contact-cta-text p {
  margin: 0;
  font-size: 14px;
  color: #e5e7eb;
}

/* FOOTER */

.site-footer {
  background-color: #020617;
  color: #9ca3af;
  padding: 24px 0 18px;
  font-size: 12px;
}

.site-footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
}

.footer-right {
  display: flex;
  gap: 12px;
}

/* RESPONSIVE */

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero-right {
    margin-top: 10px;
  }
  .about-inner {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .news-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .main-nav ul {
    flex-wrap: wrap;
    gap: 10px;
  }
  .services-grid,
  .news-grid {
    grid-template-columns: 1fr;
  }
}