/* GLOBAL RESETS & VARIABLES */
:root {
  --brand-navy: #0B132B;
  --brand-dark: #1C2541;
  --brand-card: #151E38;
  --brand-green: #10B981;
  --brand-green-hover: #34D399;
  --text-main: #F1F5F9;
  --text-muted: #94A3B8;
  --border-color: #1E293B;
  --max-width: 1200px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: #020617;
  color: var(--text-main);
  line-height: 1.6;
}

/* UTILITY CLASSES */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-center { text-align: center; }
.text-green { color: var(--brand-green); }
.text-muted { color: var(--text-muted); }
.margin-0 { margin: 0 !important; }
.mb-02 { margin-bottom: 0.2rem !important; }
.padding-0 { padding: 0 !important; }
.flex-between { display: flex; flex-direction: column; justify-content: space-between; }

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 4px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.btn-primary {
  background-color: var(--brand-green);
  color: var(--brand-navy);
}

.btn-primary:hover {
  background-color: var(--brand-green-hover);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  border-color: var(--brand-green);
  color: var(--brand-green);
}

.btn-sm-inline {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  border-radius: 4px;
  text-decoration: none;
  display: inline-block;
}

.btn-mt-1 { margin-top: 1rem; }
.btn-mt-125 { margin-top: 1.25rem; }

/* NAVIGATION */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(11, 19, 43, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
}

/* LOGO STYLES */

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  display: block;
  border-radius: 4px;
}

/* Header & Footer Container Styling for Image Logo */
.header .logo-img,
.logo-footer .logo-img {
  background-color: #ffffff;
  padding: 4px 8px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--brand-green);
}

/* SECTIONS COMMON */
.section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.section-dark {
  background-color: var(--brand-navy);
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-subtitle {
  color: var(--brand-green);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-subtitle-sm {
  color: #10B981;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

/* HERO SECTION */
.hero-section {
  position: relative;
  padding: 5rem 0 2rem 0;
  background: linear-gradient(rgba(11, 19, 43, 0.75), rgba(2, 6, 23, 0.85)), url('/images/hero-bg.jpg') center/cover no-repeat;
}

.hero-subtitle {
  color: #10B981;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1rem;
  color: #FFFFFF;
  max-width: 700px;
}

.hero-lead {
  color: #FFFFFF;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.hero-description {
  color: #CBD5E1;
  max-width: 550px;
  margin-bottom: 2rem;
  font-size: 0.85rem;
  line-height: 1.5;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-btn-explore {
  background: #10B981;
  color: #FFF;
  padding: 0.6rem 1.25rem;
  font-size: 0.8rem;
}

.hero-btn-quote {
  border: 1px solid #FFF;
  color: #FFF;
  padding: 0.6rem 1.25rem;
  font-size: 0.8rem;
}

.hero-badges-wrapper {
  display: flex;
  justify-content: flex-end;
}

.hero-badges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  background: rgba(11, 19, 43, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 1rem 1.5rem;
  border-radius: 6px;
  text-align: center;
  backdrop-filter: blur(5px);
}

.hero-badge-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}

.hero-badge-text {
  color: #FFF;
  font-size: 0.65rem;
  letter-spacing: 0.5px;
}

/* SECTION 2: WHO WE ARE */
.who-we-are-section {
  background: #FFFFFF;
  color: #0F172A;
  padding: 4rem 0;
}

.who-we-are-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.who-we-are-title {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: #0F172A;
}

.who-we-are-p {
  color: #475569;
  font-size: 0.8rem;
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.who-we-are-p-last {
  margin-bottom: 1.25rem;
}

.who-we-are-img-wrapper {
  border-radius: 6px;
  overflow: hidden;
}

.who-we-are-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.who-we-are-values-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.value-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.value-icon-circle {
  border: 1px solid #E2E8F0;
  border-radius: 50%;
  padding: 8px;
  display: flex;
}

.value-heading {
  font-size: 0.85rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 0.2rem;
}

.value-text {
  color: #64748B;
  font-size: 0.75rem;
  line-height: 1.4;
  margin: 0;
}

/* SECTION 3: CORE BUSINESSES */
.core-businesses-section {
  background: #0B132B;
  padding: 3.5rem 0;
  color: #FFF;
}

.core-businesses-grid {
  display: grid;
  grid-template-columns: 1fr 3.2fr;
  gap: 2rem;
  align-items: start;
}

.core-businesses-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: #FFF;
  line-height: 1.2;
}

.core-businesses-description {
  color: #94A3B8;
  font-size: 0.75rem;
  margin-top: 0.5rem;
  line-height: 1.4;
}

.core-cards-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
}

.core-card {
  background: #131C38;
  border-radius: 6px;
  overflow: hidden;
}

.core-card-img {
  width: 100%;
  height: 90px;
  object-fit: cover;
}

.core-card-content {
  padding: 0.6rem;
  text-align: center;
}

.core-card-icon-badge {
  background: #10B981;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  margin: -18px auto 6px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #131C38;
}

.core-card-title {
  color: #FFF;
  font-size: 0.7rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.core-card-text {
  color: #94A3B8;
  font-size: 0.6rem;
  line-height: 1.3;
  margin: 0;
  text-align: left;
}

/* SECTION 4: PETROLEUM PRODUCTS */
.products-section {
  background: #FFFFFF;
  color: #0F172A;
  padding: 3.5rem 0;
}

.products-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 1.5rem;
}

.products-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: #0F172A;
  margin-top: 0.2rem;
}

.products-description {
  color: #64748B;
  font-size: 0.75rem;
  margin: 0;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
}

.product-card {
  background: #FFF;
  border: 1px solid #E2E8F0;
  border-radius: 6px;
  overflow: hidden;
}

.product-card-img {
  width: 100%;
  height: 95px;
  object-fit: cover;
}

.product-card-content {
  padding: 0.6rem;
}

.product-card-title {
  color: #0F172A;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.product-card-text {
  color: #64748B;
  font-size: 0.65rem;
  line-height: 1.3;
  margin: 0;
}

/* SECTION 5: MARKETS & WHY TURKEN */
.markets-section {
  background: #FFFFFF;
  color: #0F172A;
  padding: 3.5rem 0;
}

.markets-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.markets-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 0.5rem;
}

.markets-description {
  color: #64748B;
  font-size: 0.75rem;
  margin-bottom: 1.25rem;
}

.markets-content-wrapper {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.map-graphic {
  width: 140px;
  flex-shrink: 0;
}

.markets-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.market-region {
  color: #0F172A;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.dot-green { color: #10B981; }
.dot-blue { color: #0EA5E9; }
.dot-slate { color: #64748B; }

.market-countries {
  color: #64748B;
  font-size: 0.7rem;
  margin: 0;
  padding-left: 0.9rem;
}

.why-turken-card {
  background: #0B132B;
  border-radius: 6px;
  padding: 1.75rem;
  color: #FFF;
}

.why-turken-title {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 0.15rem;
  color: #FFF;
}

.why-turken-subtitle {
  color: #10B981;
  font-size: 0.65rem;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.why-turken-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.why-item {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.why-icon-circle {
  border: 1px solid #10B981;
  border-radius: 50%;
  padding: 4px;
  display: flex;
}

.why-heading {
  color: #FFF;
  font-size: 0.75rem;
  display: block;
}

.why-subtext {
  color: #94A3B8;
  font-size: 0.65rem;
}

/* SECTION 6: PROCESS STEPPER */
.process-section {
  background: #F8FAFC;
  color: #0F172A;
  padding: 3.5rem 0;
  border-top: 1px solid #E2E8F0;
}

.process-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1.5rem;
  align-items: center;
}

.process-img-wrapper {
  border-radius: 4px;
  overflow: hidden;
  height: 100%;
}

.process-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.process-header {
  margin-bottom: 1.25rem;
}

.process-main-heading {
  color: #0F172A;
  font-size: 0.85rem;
  font-weight: 800;
  margin: 0;
}

.process-steps-flow {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.process-step {
  text-align: center;
  max-width: 100px;
}

.step-num {
  background: #10B981;
  color: #FFF;
  font-weight: 800;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  margin-bottom: 0.4rem;
}

.step-title {
  font-size: 0.65rem;
  font-weight: 800;
  margin-bottom: 0.15rem;
}

.step-desc {
  font-size: 0.55rem;
  color: #64748B;
  margin: 0;
}

.step-arrow {
  color: #CBD5E1;
  margin-top: 0.2rem;
}

.process-summary-box {
  padding-left: 1rem;
  border-left: 1px solid #E2E8F0;
  text-align: left;
}

.process-summary-text {
  color: #10B981;
  font-size: 0.65rem;
  display: block;
  line-height: 1.2;
}

/* SECTION 7: THREE COLUMN INFORMATION ROW */
.info-row-section {
  background: #FFFFFF;
  color: #0F172A;
  padding: 3rem 0;
}

.info-row-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1.25rem;
}

.info-card {
  background: #F8FAFC;
  padding: 1.25rem;
  border-radius: 6px;
  border: 1px solid #E2E8F0;
}

.info-card-flex {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.info-card-heading {
  font-size: 0.85rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.glance-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  font-size: 0.65rem;
}

.glance-label {
  color: #10B981;
  font-weight: 700;
  display: block;
}

.partners-subtext {
  font-size: 0.65rem;
  color: #64748B;
  margin-bottom: 0.75rem;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  text-align: center;
  font-size: 0.6rem;
  color: #0F172A;
  font-weight: 600;
}

.btn-partner {
  background: #10B981;
  color: #FFF;
  padding: 0.4rem;
  font-size: 0.65rem;
  border-radius: 4px;
  text-decoration: none;
  margin-top: 0.75rem;
  text-align: center;
  display: block;
}

.smart-energy-padding {
  padding: 1rem;
}

.smart-energy-title {
  font-size: 0.85rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 0.2rem;
}

.smart-energy-subtitle {
  font-size: 0.65rem;
  color: #10B981;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.smart-energy-desc {
  font-size: 0.65rem;
  color: #475569;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.smart-energy-img {
  width: 100%;
  height: 80px;
  object-fit: cover;
}

/* SECTION 8: SUSTAINABILITY & CTA BANNERS */
.banners-section {
  padding: 0;
}

.banners-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.banner-sustainability {
  background: linear-gradient(rgba(6, 78, 59, 0.9), rgba(6, 78, 59, 0.9)), url('/images/smart-energy.jpg') center/cover no-repeat;
  color: #FFF;
  padding: 2rem 2.5rem;
}

.sustainability-heading {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 0.4rem;
  color: #FFF;
}

.sustainability-desc {
  color: #A7F3D0;
  font-size: 0.7rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.sustainability-features {
  display: flex;
  gap: 1rem;
  font-size: 0.6rem;
}

.banner-cta {
  background: linear-gradient(rgba(11, 19, 43, 0.85), rgba(2, 6, 23, 0.95)), url('/images/hero-bg.jpg') center/cover no-repeat;
  color: #FFF;
  padding: 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.cta-heading {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 0.2rem;
  color: #FFF;
}

.cta-desc {
  color: #CBD5E1;
  font-size: 0.7rem;
  margin-bottom: 1rem;
}

.cta-btn-group {
  display: flex;
  gap: 0.75rem;
}

.btn-cta {
  padding: 0.45rem 0.9rem;
  font-size: 0.7rem;
  border-radius: 4px;
}

/* SECTION 9: CONTACT SECTION */
.contact-section {
  background: #0B132B;
  color: #FFF;
  padding: 4rem 0;
  border-top: 1px solid var(--border-color);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: #FFF;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.contact-lead {
  color: #94A3B8;
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 2rem;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-icon-circle {
  border: 1px solid #10B981;
  border-radius: 50%;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(16, 185, 129, 0.05);
}

.contact-info-label {
  display: block;
  font-size: 0.75rem;
  color: #94A3B8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-info-value {
  color: #FFF;
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0;
}

.contact-info-value a {
  color: #10B981;
  text-decoration: none;
}

.contact-info-value a:hover {
  text-decoration: underline;
}

/* Contact Form Card */
.contact-form-card {
  background: #151E38;
  border: 1px solid #1E293B;
  border-radius: 8px;
  padding: 2rem;
}

.form-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #FFF;
  margin-bottom: 0.25rem;
}

.form-subtitle {
  color: #94A3B8;
  font-size: 0.75rem;
  margin-bottom: 1.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: #CBD5E1;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: #0B132B;
  border: 1px solid #1E293B;
  border-radius: 4px;
  padding: 0.6rem 0.75rem;
  color: #FFF;
  font-size: 0.8rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #10B981;
}

.form-submit-btn {
  width: 100%;
  padding: 0.75rem;
  margin-top: 0.5rem;
  text-align: center;
}

@media (max-width: 768px) {
  .contact-grid, .form-row {
    grid-template-columns: 1fr;
  }
}

/* FOOTER */
.footer {
  background-color: var(--brand-navy);
  padding: 4rem 0 2rem 0;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-col h4, .footer-col h5 {
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
}

.footer-col a:hover {
  color: var(--brand-green);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* RESPONSIVE DESIGN */
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4, .footer-grid,
  .who-we-are-grid, .core-businesses-grid, .markets-grid,
  .process-grid, .info-row-grid, .banners-grid {
    grid-template-columns: 1fr;
  }
  
  .core-cards-grid, .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-steps-flow {
    flex-direction: column;
    gap: 1rem;
  }

  .step-arrow {
    display: none;
  }

  .nav-links {
    display: none;
  }
}