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

:root {
  --blue-deep: #0a4275;
  --blue-medium: #1a6ba0;
  --blue-light: #2d8bcb;
  --green-eco: #2d8f5c;
  --green-light: #45b07c;
  --bg-light: #f8f9fa;
  --bg-dark: #0d1b2a;
  --text-dark: #1a1a2e;
  --text-light: #6c757d;
  --white: #ffffff;
  --shadow: 0 5px 25px rgba(0,0,0,0.08);
  --shadow-hover: 0 15px 45px rgba(0,0,0,0.12);
  --radius: 12px;
  --transition: 0.3s ease;
  --font: 'Poppins', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

ul { list-style: none; }

img { max-width: 100%; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  background: rgba(45, 143, 92, 0.1);
  color: var(--green-eco);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 6px 20px;
  border-radius: 50px;
  margin-bottom: 15px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--blue-deep);
  margin-bottom: 15px;
}

.section-divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-deep), var(--green-eco));
  border-radius: 2px;
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--green-eco);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(45, 143, 92, 0.3);
}

.btn-primary:hover {
  background: var(--green-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(45, 143, 92, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--blue-deep);
  transform: translateY(-2px);
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: 0 4px 30px rgba(0,0,0,0.1);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 15px;
  padding-bottom: 15px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--blue-deep);
}

.logo i {
  color: var(--green-eco);
  font-size: 1.6rem;
}

.logo small {
  font-size: 0.65em;
  font-weight: 400;
  color: var(--blue-medium);
  display: block;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 5px;
}

.nav-link {
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-dark);
  border-radius: 50px;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--green-eco);
  background: rgba(45, 143, 92, 0.08);
}

/* Menu Toggle (mobile) */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  width: 26px;
  height: 2.5px;
  background: var(--blue-deep);
  border-radius: 2px;
  transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0a4275 0%, #0d1b2a 50%, #1a6ba0 100%);
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 900"><path fill="rgba(255,255,255,0.03)" d="M0,320L48,304C96,288,192,256,288,245.3C384,235,480,245,576,261.3C672,277,768,299,864,282.7C960,267,1056,213,1152,197.3C1248,181,1344,203,1392,213.3L1440,224L1440,900L1392,900C1344,900,1248,900,1152,900C1056,900,960,900,864,900C768,900,672,900,576,900C480,900,384,900,288,900C192,900,96,900,48,900L0,900Z"/></svg>') no-repeat bottom;
  background-size: cover;
  opacity: 0.5;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, rgba(10,66,117,0.85), rgba(13,27,42,0.7));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  max-width: 800px;
  margin: 0 auto;
  padding-top: 80px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 1.3rem;
  font-weight: 400;
  color: rgba(255,255,255,0.85);
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.hero-tagline {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
  font-weight: 300;
  font-style: italic;
}

.hero-cta {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== ABOUT ===== */
.about {
  background: var(--white);
}

.about-intro {
  max-width: 850px;
  margin: 0 auto 50px;
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-light);
  line-height: 1.8;
}

.about-vision {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 60px;
}

.vision-card {
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 35px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.04);
}

.vision-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.vision-card i {
  font-size: 2.2rem;
  color: var(--green-eco);
  margin-bottom: 20px;
}

.vision-card h3 {
  font-size: 1.3rem;
  color: var(--blue-deep);
  margin-bottom: 12px;
}

.vision-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.about-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}

.about-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 35px 25px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}

.about-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.about-card-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(10,66,117,0.08), rgba(45,143,92,0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.about-card-icon i {
  font-size: 1.8rem;
  color: var(--green-eco);
}

.about-card h3 {
  font-size: 1.05rem;
  color: var(--blue-deep);
  margin-bottom: 12px;
  font-weight: 600;
}

.about-card p {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* ===== EXPERTISES ===== */
.expertises {
  background: var(--bg-light);
}

.accordion {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.accordion-item {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}

.accordion-item:hover {
  box-shadow: var(--shadow-hover);
}

.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 22px 28px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--blue-deep);
  text-align: left;
  transition: var(--transition);
}

.accordion-header:hover {
  background: rgba(10,66,117,0.02);
}

.accordion-header > i:first-child {
  font-size: 1.4rem;
  color: var(--green-eco);
  width: 36px;
  text-align: center;
}

.accordion-icon {
  margin-left: auto;
  font-size: 0.9rem;
  color: var(--text-light);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.accordion-item.active .accordion-body {
  max-height: 800px;
}

.accordion-content {
  padding: 0 28px 22px;
}

.expertise-item {
  display: flex;
  gap: 15px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.expertise-item:last-child {
  border-bottom: none;
}

.expertise-item > i {
  font-size: 1.1rem;
  color: var(--blue-medium);
  margin-top: 4px;
  flex-shrink: 0;
}

.expertise-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.expertise-item p {
  color: var(--text-light);
  font-size: 0.85rem;
}

/* ===== ENGAGEMENTS ===== */
.engagements {
  background: var(--white);
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 60px;
}

.pillar-card {
  text-align: center;
  padding: 45px 30px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
  border-top: 4px solid var(--green-eco);
  transition: var(--transition);
}

.pillar-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.pillar-card:nth-child(2) {
  border-top-color: var(--blue-deep);
}

.pillar-card:nth-child(3) {
  border-top-color: var(--green-light);
}

.pillar-icon {
  width: 75px;
  height: 75px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(45,143,92,0.1), rgba(10,66,117,0.1));
  font-size: 2rem;
  color: var(--green-eco);
}

.pillar-card:nth-child(2) .pillar-icon {
  color: var(--blue-deep);
}

.pillar-card:nth-child(3) .pillar-icon {
  color: var(--green-light);
}

.pillar-card h3 {
  font-size: 1.2rem;
  color: var(--blue-deep);
  margin-bottom: 12px;
}

.pillar-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.regional {
  text-align: center;
  max-width: 750px;
  margin: 0 auto;
  padding: 40px;
  background: linear-gradient(135deg, rgba(10,66,117,0.05), rgba(45,143,92,0.05));
  border-radius: var(--radius);
  border: 1px solid rgba(45,143,92,0.1);
}

.regional blockquote {
  margin-bottom: 20px;
}

.regional blockquote i {
  font-size: 2rem;
  color: var(--green-eco);
  opacity: 0.3;
  display: block;
  margin-bottom: 10px;
}

.regional blockquote p {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--blue-deep);
  font-style: italic;
}

.regional-text {
  color: var(--text-light);
  margin-bottom: 25px;
  font-size: 1rem;
}

.regional-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--green-eco);
  color: var(--white);
  padding: 10px 25px;
  border-radius: 50px;
  font-weight: 500;
  font-size: 0.9rem;
}

/* ===== CONTACT ===== */
.contact {
  background: var(--bg-light);
}

.contact-intro {
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 50px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.contact-form {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font);
  font-size: 0.95rem;
  border: 2px solid #e9ecef;
  border-radius: 8px;
  outline: none;
  transition: var(--transition);
  background: var(--bg-light);
  color: var(--text-dark);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--green-eco);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(45,143,92,0.08);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: 1rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.contact-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--white);
  padding: 25px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.contact-item:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-hover);
}

.contact-item i {
  font-size: 1.3rem;
  color: var(--green-eco);
  margin-top: 3px;
}

.contact-item h4 {
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 500;
  margin-bottom: 4px;
}

.contact-item a,
.contact-item p {
  color: var(--text-dark);
  font-weight: 600;
  font-size: 0.95rem;
}

.contact-item a:hover {
  color: var(--green-eco);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}

.footer-content {
  text-align: center;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 15px;
}

.footer-brand i {
  color: var(--green-eco);
}

.footer-text {
  font-size: 0.95rem;
  max-width: 500px;
  margin: 0 auto 25px;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: var(--white);
  transition: var(--transition);
  font-size: 1rem;
}

.footer-social a:hover {
  background: var(--green-eco);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding: 20px 0;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

/* ===== ANIMATIONS (scroll) ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .about-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .pillars {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .hero-title {
    font-size: 2.4rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-tagline {
    font-size: 0.95rem;
  }

  .menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    padding: 20px;
    transform: translateY(-110%);
    opacity: 0;
    transition: var(--transition);
    border-radius: 0 0 16px 16px;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
  }

  .nav-link {
    display: block;
    padding: 14px 18px;
    width: 100%;
    border-radius: 8px;
  }

  .about-vision {
    grid-template-columns: 1fr;
  }

  .about-cards {
    grid-template-columns: 1fr;
  }

  .pillars {
    grid-template-columns: 1fr;
  }

  .accordion-header {
    padding: 18px 20px;
    font-size: 0.95rem;
  }

  .accordion-content {
    padding: 0 20px 18px;
  }

  .contact-form {
    padding: 25px;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.8rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .regional blockquote p {
    font-size: 1.1rem;
  }
}