/* ============================================
   Tech Green Steps — About Us Hero Section
   ============================================ */

:root {
  --color-bg: #f7f7f7;
  --color-dark: #221d27;
  --color-gray: #6b6b6b;
  --color-gray-light: #9a9a9a;
  --color-accent: #d9a441;
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --container-max: min(1600px, 94%);
}

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

body {
  font-family: var(--font-body);
  color: var(--color-dark);
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
}

/* ---------- About Hero Section ---------- */

.about-hero {
  position: relative;
  background-color: var(--color-bg);
  overflow: hidden;
}

.about-hero__container {
  position: relative;
  max-width: var(--container-max);
  margin: 0 auto;
  min-height: 380px;
  display: flex;
  align-items: center;
}

.about-hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 560px;
  padding: 70px 24px 70px 60px;
}

/* Breadcrumb */
.breadcrumb {
  font-family: var(--font-body);
  font-size: 14px;
  margin-bottom: 22px;
  color: var(--color-gray-light);
}

.breadcrumb__link {
  color: var(--color-dark);
  text-decoration: none;
  font-weight: 500;
}

.breadcrumb__link:hover {
  text-decoration: underline;
}

.breadcrumb__sep {
  margin: 0 8px;
  color: var(--color-gray-light);
}

.breadcrumb__current {
  color: var(--color-gray-light);
}

/* Title */
.about-hero__title {
  font-family: var(--font-heading);
  font-size: 52px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-dark);
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}

/* Subtitle */
.about-hero__subtitle {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 14px;
}

/* Accent underline */
.about-hero__underline {
  display: block;
  width: 46px;
  height: 3px;
  background-color: var(--color-accent);
  margin-bottom: 22px;
}

/* Description text */
.about-hero__text {
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--color-gray);
  max-width: 460px;
}

/* ---------- Image ---------- */

.about-hero__image-wrap {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 58%;
  z-index: 1;
}

.about-hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-hero__fade {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 40%;
  background: linear-gradient(
    to right,
    var(--color-bg) 0%,
    rgba(247, 247, 247, 0.85) 35%,
    rgba(247, 247, 247, 0) 100%
  );
  pointer-events: none;
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .about-hero__content {
    padding: 60px 24px 60px 40px;
  }
  .about-hero__title {
    font-size: 44px;
  }
  .about-hero__image-wrap {
    width: 50%;
  }
}

@media (max-width: 768px) {
  .about-hero__container {
    flex-direction: column;
    align-items: flex-start;
  }
  .about-hero__content {
    max-width: 100%;
    padding: 50px 24px 30px;
  }
  .about-hero__title {
    font-size: 36px;
  }
  .about-hero__image-wrap {
    position: relative;
    width: 100%;
    height: 240px;
  }
  .about-hero__fade {
    width: 100%;
    height: 60%;
    background: linear-gradient(
      to bottom,
      var(--color-bg) 0%,
      rgba(247, 247, 247, 0) 100%
    );
  }
}

@media (max-width: 480px) {
  .about-hero__title {
    font-size: 30px;
  }
  .about-hero__subtitle {
    font-size: 16px;
  }
}

/* ============================================
   Company Overview Section
   ============================================ */

:root {
  --color-green: #0e3b26;
  --color-card-bg: #f5f8f7;
  --color-divider: #e3e9e6;
}

.company-overview {
  background-color: #ffffff;
  padding: 80px 24px;
}

.co__container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  align-items: center;
}

/* ---- Left text ---- */

.co__heading {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-green);
  margin-bottom: 14px;
}

.co__underline {
  display: block;
  width: 46px;
  height: 3px;
  background-color: var(--color-accent);
  margin-bottom: 22px;
}

.co__para {
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--color-gray);
  margin-bottom: 18px;
  max-width: 480px;
}

.co__para:last-child {
  margin-bottom: 0;
}

/* ---- Right card ---- */

.co__card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-divider);
  border-radius: 18px;
  padding: 4px;
  box-shadow: 0 4px 20px -14px rgba(15, 40, 30, 0.1);
}

.co__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.co__item {
  padding: 34px 28px;
  border-right: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  border-radius: 14px;
  transition: background-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.co__item:hover {
  background-color: #ffffff;
  transform: translateY(-4px);
  box-shadow: 0 16px 32px -18px rgba(15, 40, 30, 0.22);
}

.co__item:nth-child(3n) {
  border-right: none;
}

.co__item:nth-child(n+4) {
  border-bottom: none;
}

.co__icon {
  font-size: 30px;
  color: var(--color-green);
  margin-bottom: 14px;
  display: block;
  transition: transform 0.25s ease;
}

.co__item:hover .co__icon {
  transform: scale(1.12);
}

.co__title {
  font-family: var(--font-heading);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--color-green);
  margin-bottom: 8px;
}

.co__desc {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--color-gray);
}

/* ---- Responsive ---- */

@media (max-width: 1024px) {
  .co__container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .co__para {
    max-width: 100%;
  }
}

@media (max-width: 600px) {
  .company-overview {
    padding: 56px 20px;
  }
  .co__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .co__item:nth-child(3n) {
    border-right: 1px solid var(--color-divider);
  }
  .co__item:nth-child(2n) {
    border-right: none;
  }
  .co__item:nth-child(n+4) {
    border-bottom: 1px solid var(--color-divider);
  }
  .co__item:nth-child(5),
  .co__item:nth-child(6) {
    border-bottom: none;
  }
}

@media (max-width: 400px) {
  .co__grid {
    grid-template-columns: 1fr;
  }
  .co__item {
    border-right: none !important;
    border-bottom: 1px solid var(--color-divider) !important;
  }
  .co__item:last-child {
    border-bottom: none !important;
  }
}

/* ============================================================
   HEADER + FOOTER (matching site home page)
   ============================================================ */

:root {
  --green-dark: #0E3D2C;
  --green-primary: #12523A;
  --gold: #D4AF37;
  --text-dark: #16241D;
  --text-muted: #7C8781;
  --border-light: #E7EAE8;
  --header-container-width: min(1600px, 94%);
}

html { scroll-behavior: smooth; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img, svg { display: block; max-width: 100%; }

.container {
  width: 100%;
  max-width: var(--header-container-width);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #ffffff;
  border-bottom: 1px solid var(--border-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  height: 50px;
  width: auto;
  border-radius: 50%;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.3px;
  color: var(--text-dark);
}

.logo-subtitle {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 2.2px;
  color: var(--text-muted);
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-link {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.1px;
  color: var(--text-dark);
  position: relative;
  padding-bottom: 22px;
  transition: color 0.2s ease;
}

.nav-link:hover { color: var(--green-primary); }

.nav-link.active {
  color: var(--text-dark);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 18px;
  width: 100%;
  height: 2.5px;
  background: var(--green-primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: 0.25s ease;
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  background: var(--green-dark);
  overflow: hidden;
  padding-top: 20px;
}

.footer-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.208) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.5;
  pointer-events: none;
}

.footer-top {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-bottom: 25px;
}

.logo-title-light { color: #ffffff; font-family: var(--font-heading); font-weight: 700; font-size: 1.05rem; letter-spacing: 0.3px; }

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
}
.footer-nav a {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: rgba(255,255,255,0.8);
  transition: color 0.2s ease;
}
.footer-nav a:hover { color: #ffffff; }

.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.35);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.footer-social a:hover {
  background: #ffffff;
  color: var(--green-dark);
  border-color: #ffffff;
}

.footer-bottom {
  position: relative;
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 16px 0;
}

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

.footer-copyright {
  margin: 0;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

.footer-legal-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-legal-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  transition: color 0.2s ease;
}

.footer-legal-links a:hover {
  color: #ffffff;
}

.footer-legal-dot {
  color: rgba(255,255,255,0.35);
  font-size: 0.7rem;
}

@media (max-width: 560px) {
  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* ---------- Header/Footer Responsive ---------- */
@media (max-width: 991px) {
  .main-nav {
    position: fixed;
    top: 88px;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid var(--border-light);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .main-nav.open { max-height: 400px; }
  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 32px 20px;
  }
  .nav-link { padding: 12px 0; width: 100%; }
  .nav-link.active::after { display: none; }

  .nav-toggle { display: flex; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .footer-top { flex-direction: column; align-items: flex-start; }

  .header-inner { height: 74px; gap: 12px; }
  .main-nav { top: 74px; }
  .logo-mark { height: 40px; }
  .logo-title { font-size: 0.92rem; }
  .logo-subtitle { font-size: 0.56rem; letter-spacing: 1.6px; }
}

@media (max-width: 420px) {
  .logo-text { display: flex; }
  .logo-title { font-size: 0.72rem; letter-spacing: 0.1px; }
  .logo-subtitle { font-size: 0.46rem; letter-spacing: 1.2px; }
  .logo { gap: 8px; }
  .header-inner { justify-content: space-between; }
}

/* ============================================================
   VISION / MISSION / CORE VALUES
   ============================================================ */

.vmc {
  background-color: var(--color-card-bg);
  padding: 64px 24px;
}

.vmc__container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.vmc__col {
  padding: 24px 44px;
  border-right: 1px solid var(--color-divider);
  border-radius: 14px;
  transition: background-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.vmc__col:hover {
  background-color: #ffffff;
  box-shadow: 0 16px 34px -20px rgba(15, 40, 30, 0.22);
  transform: translateY(-4px);
}

.vmc__col:last-child {
  border-right: none;
}

.vmc__col:first-child {
  padding-left: 24px;
}

.vmc__icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: #eaf3ec;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  transition: background-color 0.25s ease, transform 0.25s ease;
}

.vmc__col:hover .vmc__icon-wrap {
  background-color: var(--color-green);
  transform: scale(1.08);
}

.vmc__icon {
  font-size: 24px;
  color: var(--color-green);
  transition: color 0.25s ease;
}

.vmc__col:hover .vmc__icon {
  color: #ffffff;
}

.vmc__title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-green);
  margin-bottom: 10px;
}

.vmc__underline {
  display: block;
  width: 28px;
  height: 2.5px;
  background-color: var(--color-accent);
  margin-bottom: 20px;
}

.vmc__text {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--color-gray);
}

.vmc__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--color-dark);
  margin-bottom: 13px;
}

.vmc__list li:last-child {
  margin-bottom: 0;
}

.vmc__check {
  flex-shrink: 0;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background-color: var(--color-green);
  display: flex;
  align-items: center;
  justify-content: center;
}

.vmc__check i {
  font-size: 9px;
  color: #ffffff;
}

/* ---- Responsive ---- */

@media (max-width: 900px) {
  .vmc__container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .vmc__col {
    padding: 0;
    border-right: none;
    border-bottom: 1px solid var(--color-divider);
    padding-bottom: 36px;
  }
  .vmc__col:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
}

@media (max-width: 600px) {
  .vmc {
    padding: 50px 20px;
  }
}


.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.35);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  font-size: 15px;   /* ← icon size க்காக இது add pannunga */
}