* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}

main {
  flex: 1;
}


body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  position: sticky;
  top: 0;
  background: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 40px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
  z-index: 999;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-link span {
  color: #1f2937;
  font-weight: 700;
}

.brand-link:hover span {
  color: #4f46e5;
}

.brand-link img {
  height: 48px;
  width: auto;
  transition: transform 0.3s ease;
}

.brand-link:hover img {
  transform: scale(1.05);
}


/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand img {
  height: 38px;
}

.brand span {
  font-weight: 700;
  font-size: 1.2rem;
  color: #1f2937;
}

.logo {
  font-weight: bold;
  font-size: 1.3rem;
  color: #4f46e5;
}

/* Nav */
nav .nav-link {
  margin-left: 20px;
  text-decoration: none;
  color: #374151;
  font-weight: 500;
  position: relative;
  padding-bottom: 5px;
  transition: color 0.3s ease;
}

nav .nav-link:hover {
  color: #4f46e5;
}

/* Active link */
nav .nav-link.active {
  color: #4f46e5;
  font-weight: 600;
}

nav .nav-link.active::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background: #4f46e5;
  left: 0;
  bottom: 0;
  border-radius: 10px;
}


nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #333;
}

nav a:hover {
  color: #4f46e5;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
}

.hamburger span {
  width: 26px;
  height: 3px;
  background: #1f2937;
  border-radius: 5px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}


/* GSAP Hero Prep */
.hero-title,
.hero-subtitle,
.hero-btn {
  opacity: 0;
  transform: translateY(40px);
}

/* HERO SLIDER */
.hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
}

/* Background container */
.hero-slider {
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* Each slide */
.hero-slider .slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.5s ease;
}

/* Active slide */
.hero-slider .slide.active {
  opacity: 1;
}

/* Background images (tema edukasi & math) */
.hero-slider .slide:nth-child(1) {
  background-image: url("images/hero/hero-1.jpg");
}

.hero-slider .slide:nth-child(2) {
  background-image: url("images/hero/hero-2.jpg");
}

.hero-slider .slide:nth-child(3) {
  background-image: url("images/hero/hero-3.jpg");
}

/* Dark overlay */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    rgba(79,70,229,0.75),
    rgba(17,24,39,0.75)
  );
  z-index: 2;
}

/* Hero content */
.hero-content {
  position: relative;
  z-index: 3;
  max-width: 800px;
  padding: 0 20px;
}

.text-justify {
  text-align: justify;
}

section {
  padding: 80px 20px;
}

.alt {
  background: #f9fafb;
}

.hero {
  text-align: center;
  color: white;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.hero button {
  margin-top: 30px;
  padding: 12px 25px;
  border: none;
  background: white;
  color: #4f46e5;
  border-radius: 25px;
  cursor: pointer;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
  gap: 20px;
}

/* Founder Section */

/* ===== Founder Section Upgrade ===== */
.founder-grid {
  display: grid;
    grid-template-columns: 1fr;
  justify-items: center;
  
  /* grid-template-columns: repeat(2, 1fr); /* KIRI & KANAN */
  gap: 40px;

  margin: 50px auto 70px;
  max-width: 900px;
  align-items: stretch;
}

/* Glass Card */
.glass {
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,0.65);
}

.founder-card {
    display: flex;
      width: 500px;        /* atur lebar sesuai keinginan */
  max-width: 90%;      /* supaya tetap responsif di HP */
  flex-direction: column;
  justify-content: space-between;
  padding: 30px 25px;
  text-align: center;
  border-radius: 20px;
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,0.75);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  overflow: hidden;
}

.founder-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 60px rgba(79,70,229,0.25);
}

/* Image */
.founder-img {
  width: 130px;
  height: 130px;
  margin: 0 auto 15px;
  border-radius: 50%;
  padding: 5px;
  background: linear-gradient(135deg, #4f46e5, #6366f1);
}

.founder-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  background: white;
}

/* Name & Role */
.founder-card h3 {
  font-size: 1.15rem;
  margin-bottom: 5px;
  color: #1f2937;
}

.founder-card .role {
  display: inline-block;
  margin-bottom: 15px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #4f46e5;
}

/* Bio (Hover Reveal) */
.founder-card .bio {
  font-size: 0.95rem;
  color: #4b5563;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.founder-card:hover .bio {
  opacity: 1;
  transform: translateY(0);
}

/* Decorative glow */
.founder-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: radial-gradient(
    circle at top,
    rgba(99,102,241,0.15),
    transparent 70%
  );
  pointer-events: none;
}

/* Social Icon */
.founder-social {
  margin-bottom: 15px;
}

.founder-social a {
  display: inline-flex;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: #eef2ff;
  transition: transform 0.3s ease, background 0.3s ease;
}

.founder-social a:hover {
  background: #4f46e5;
  transform: scale(1.1);
}

.founder-social svg {
  width: 18px;
  fill: #4f46e5;
}

.founder-social a:hover svg {
  fill: white;
}

/* Read More Button */
.bio-btn {
  margin-top: 15px;
  background: none;
  border: none;
  color: #4f46e5;
  font-weight: 600;
  cursor: pointer;
}

/* Modal */
.bio-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.bio-modal.show {
  display: flex;
}

.bio-box {
  background: white;
  padding: 30px;
  border-radius: 18px;
  max-width: 500px;
  width: 90%;
  position: relative;
  animation: scaleIn 0.3s ease;
}

.bio-box h3 {
  margin-bottom: 10px;
}

.bio-box p {
  color: #4b5563;
  line-height: 1.6;
}

.bio-box .close {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 1.5rem;
  cursor: pointer;
}

@keyframes scaleIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}


/* end section founder */

/* WHAT WE DO */
.whatwedo {
  text-align: center;
}

.whatwedo-block {
  margin-top: 50px;
}

/* Work cards */
.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.work-card {
  background: white;
  padding: 30px 25px;
  border-radius: 18px;
  box-shadow: 0 15px 35px rgba(0,0,0,0.08);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.work-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 45px rgba(79,70,229,0.2);
}

.work-card .icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 15px;
}

.work-card h4 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: #1f2937;
}

.work-card p {
  font-size: 0.95rem;
  color: #4b5563;
}

/* Activities */
.activity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 25px;
}

.activity-card {
  padding: 18px 20px;
  border-radius: 14px;
  background: linear-gradient(135deg, #eef2ff, #f9fafb);
  font-weight: 600;
  color: #374151;
  transition: transform 0.3s ease;
}

.activity-card:hover {
  transform: translateY(-5px);
}

/* Difference highlight */
.difference-card {
  margin: 70px auto 0;
  max-width: 700px;
  padding: 40px 35px;
  border-radius: 24px;
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.75);
  box-shadow: 0 30px 60px rgba(0,0,0,0.1);
}

.difference-card h3 {
  margin-bottom: 15px;
}

.difference-card p {
  color: #374151;
  line-height: 1.7;
}

/* end section what we do */

/* LEARNING APPROACH */
.learning {
  text-align: center;
}

.learning-intro {
  max-width: 700px;
  margin: 20px auto 50px;
  color: #4b5563;
  line-height: 1.7;
}

.learning-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* 2 kolom */
  gap: 30px;
  max-width: 900px;
  margin: 0 auto;
}

.learning-card {
  background: white;
  padding: 35px 25px;
  border-radius: 22px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  position: relative;
  overflow: hidden;
}

.learning-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 60px rgba(79,70,229,0.25);
}

.learning-card .icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
  display: inline-block;
}

.learning-card h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
  color: #1f2937;
}

.learning-card p {
  font-size: 0.95rem;
  color: #4b5563;
  line-height: 1.6;
}

/* Soft glow */
.learning-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 22px;
  background: radial-gradient(
    circle at top,
    rgba(99,102,241,0.15),
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
}

.learning-card:hover::after {
  opacity: 1;
}
/* end section learning approach */


/* Goals Timeline */
.goals-timeline {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px 60px;
  max-width: 900px;
  margin: 60px auto 0;
  position: relative;
}

/* Vertical line */
.goals-timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(#4f46e5, #6366f1);
  transform: translateX(-50%);
  border-radius: 4px;
}

/* Goal Card */
.goal-step {
  background: white;
  padding: 25px 30px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  position: relative;
}

/* Left / Right alignment */
.goal-step:nth-child(odd) {
  grid-column: 1;
}
.goal-step:nth-child(even) {
  grid-column: 2;
}

/* Number badge */
.goal-step::before {
  content: attr(data-step);
  position: absolute;
  top: 20px;
  right: -22px;
  width: 40px;
  height: 40px;
  background: #4f46e5;
  color: white;
  border-radius: 50%;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 5px 15px rgba(79,70,229,0.4);
}

.goal-step:nth-child(even)::before {
  left: -22px;
  right: auto;
}

.goal-step h4 {
  margin-bottom: 8px;
  font-size: 1.1rem;
  color: #1f2937;
}

.goal-step p {
  color: #4b5563;
  font-size: 0.95rem;
  line-height: 1.6;
}
/* end section goals timeline */

/* FAQ Section */
#faq {
  max-width: 900px;
  margin: 0 auto;
}

/* Glass effect */
.faq-item.glass {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 16px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}

/* Question button */
.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  color: #fff;
}

/* Icon */
.faq-question .icon {
  font-size: 1.6rem;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Active state */
.faq-item.active .faq-answer {
  max-height: 300px;
  padding-top: 8px;
}

.faq-item.active .icon {
  transform: rotate(45deg);
  opacity: 0.8;
}
/* end section faq */


/* Masonry Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
}

/* Item */
.gallery-item {
  position: relative;
  margin-bottom: 20px;
  break-inside: avoid;
  overflow: hidden;
  border-radius: 16px;
  cursor: pointer;
}

/* Image */
.gallery-item img {
  width: 100%;
  display: block;
  transition: transform 0.6s ease;
}

/* Hover zoom */
.gallery-item:hover img {
  transform: scale(1.08);
}

/* Caption glass */
.gallery-caption {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 39, 0.45);
  backdrop-filter: blur(8px);
  color: white;
  opacity: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  transition: opacity 0.4s ease;
}

.gallery-item:hover .gallery-caption {
  opacity: 1;
}

.gallery-caption h4 {
  font-size: 1.1rem;
  margin-bottom: 5px;
}

.gallery-caption p {
  font-size: 0.9rem;
  opacity: 0.9;
}
/* end section masonry gallery */

.card {
  background: white;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.checklist li {
  margin-bottom: 10px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
  gap: 15px;
}

.gallery img {
  width: 100%;
  border-radius: 10px;
  height: 200px;
  object-fit: cover;
}

footer {
  background: #111827;
  color: white;
  text-align: center;
  padding: 20px;
}

#faq.alt .faq-question {
  color: #1f2937;
}

#faq.alt .faq-answer p {
  color: #374151;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* =========================
   FAQ SECTION (ISOLATED)
========================= */

#faq {
  max-width: 900px;
  margin: 0 auto;
}

/* FAQ Header */
#faq .faq-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

#faq .faq-header h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #1f2937;
}

#faq .faq-header p {
  font-size: 1rem;
  line-height: 1.7;
  color: #4b5563;
}

/* FAQ Item */
#faq .faq-item {
  border-radius: 16px;
  margin-bottom: 16px;
  overflow: hidden;
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(12px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.06);
  transition: box-shadow 0.3s ease;
}

#faq .faq-item:hover {
  box-shadow: 0 25px 45px rgba(79,70,229,0.18);
}

/* Question Button */
#faq .faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  color: #1f2937;
}

/* Icon */
#faq .faq-question .icon {
  font-size: 1.5rem;
  transition: transform 0.35s ease;
}

/* Answer */
#faq .faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

#faq .faq-answer p {
  padding-bottom: 18px;
  color: #374151;
  line-height: 1.6;
}

/* Active State */
#faq .faq-item.active .faq-answer {
  max-height: 300px;
  padding-top: 8px;
}

#faq .faq-item.active .icon {
  transform: rotate(45deg);
}

/* =========================
   GET INVOLVED SECTION
========================= */

#involved {
    padding-bottom: 40px;
  text-align: center;
}

#involved .section-intro {
  max-width: 700px;
  margin: 15px auto 50px;
  color: #4b5563;
  line-height: 1.7;
  
}

/* Grid */
.involved-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
}

/* Card */
.involved-card {
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(12px);
  border-radius: 22px;
  padding: 40px 30px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.involved-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 60px rgba(79,70,229,0.25);
}

/* Icon */
.involved-card .icon {
  font-size: 3rem;
  display: inline-block;
  margin-bottom: 18px;
}

/* Title */
.involved-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: #1f2937;
}

/* Text */
.involved-card p {
  font-size: 0.95rem;
  color: #4b5563;
  line-height: 1.6;
}

/* Mobile */
@media (max-width: 768px) {
  .involved-card {
    padding: 32px 24px;
  }
}

/* CTA Button */
.involved-cta {
  margin-top: 50px;
  text-align: center;
}

.btn-primary {
  display: inline-block;
  padding: 14px 34px;
  border-radius: 30px;
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: white;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  box-shadow: 0 15px 30px rgba(79,70,229,0.35);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 25px 45px rgba(79,70,229,0.45);
}

/* Navbar upgrade */
.navbar {
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,0.85);
}

/* Brand polish */
.brand span {
  letter-spacing: 0.3px;
}

/* Nav CTA */
.nav-cta {
  margin-left: 20px;
  padding: 8px 18px;
  border-radius: 20px;
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: white;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(79,70,229,0.35);
}

/* Footer */


.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr 1fr;
  gap: 50px;
  align-items: start;
  margin-bottom: 40px;
}

.footer-brand img {
  width: 60px;
  margin-bottom: 15px;
}

.footer-brand h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: white;
}

.footer-brand p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #d1d5db;
  opacity: 0.8;
}

.footer-social h4 {
  margin-bottom: 15px;
}

.social-icons {
  display: flex;
  gap: 15px;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.3s ease;
}

.social-icon svg {
  width: 20px;
  height: 20px;
}

.social-icon:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,0.18);
}

.footer-bottom {
  text-align: center;
  margin-top: 50px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 14px;
  opacity: 0.7;
}

/* CTA */
.footer-cta h4 {
  margin-bottom: 12px;
  color: white;
}

.btn-footer {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 24px;
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: white;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-footer:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(99,102,241,0.4);
}


/* Bottom */
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: #9ca3af;
}

.nav-actions {
  display: flex;
  gap: 12px;
  margin-left: 30px;
}

.nav-cta.primary {
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: white;
}

.nav-cta.secondary {
  background: transparent;
  border: 2px solid #4f46e5;
  color: #4f46e5;
}

.involved-cta-group {
  margin-top: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  text-align: center;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  align-items: flex-start;
  margin-bottom: 40px;
}

/* Footer Nav */
.footer-nav h4 {
  
  color: white;
}

.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav li {
  
}

.footer-nav ul li {
  margin-bottom: 8px;
}

.footer-nav a {
  color: #d1d5db;
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.footer-nav a:hover {
  color: #ffffff;
  opacity: 1;
}


/* Mobile */
@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-cta {
    display: block;
    margin-top: 20px;
  }
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  margin-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom-left {
  display: flex;
  gap: 15px;
}

.footer-bottom-right {
  font-size: 14px;
  opacity: 0.7;
}

/* Social Icon Style */
.social-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.3s ease;
}

.social-icon svg {
  width: 18px;
  height: 18px;
}

.social-icon:hover {
  transform: translateY(-3px);
  background: rgba(255,255,255,0.18);
}





/* =====================
   Mobile Navigation
   ===================== */
@media (max-width: 900px) {
  nav {
    position: absolute;
    top: 70px;
    right: 0;
    background: white;
    width: 260px;
    height: calc(100vh - 70px);
    display: flex;
    flex-direction: column;
    padding: 30px;
    gap: 20px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    box-shadow: -10px 0 25px rgba(0,0,0,0.08);
  }

  nav.open {
    transform: translateX(0);
  }

  nav .nav-link {
    margin: 0;
    font-size: 1.05rem;
  }

  .hamburger {
    display: flex;
  }
}

/* Our Story Image */
.our-story-image {
  margin: 20px 0 30px;
  text-align: center;
}

.our-story-image img {
  align-items: center;
  width: 100%;
  max-width: 720px;
  border-radius: 18px;
  box-shadow: 0 15px 35px rgba(0,0,0,0.12);
  object-fit: cover;
}

/* Mobile */
@media (max-width: 768px) {
  .our-story-image img {
    max-width: 100%;
    border-radius: 14px;
  }
}

/* =========================
   STORY SECTION
   ========================= */
.story-section {
  max-width: 1000px;
  margin: 0 auto;
  padding: 60px 20px;
}

/* Card base */
.story-card,
.mission-card {
  background: white;
  border-radius: 22px;
  padding: 40px;
  margin-bottom: 50px;
  box-shadow: 0 20px 45px rgba(0,0,0,0.08);
  position: relative;
}

/* Accent bar */
.story-card::before,
.mission-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  border-radius: 22px 0 0 22px;
  background: linear-gradient(180deg, #4f46e5, #6366f1);
}

/* Headings */
.story-section h3 {
  font-size: 1.6rem;
  margin: 30px 0 18px;
  color: #1f2937;
}

/* Paragraph */
.story-section p {
  color: #4b5563;
  line-height: 1.75;
  margin-bottom: 14px;
}

/* Image */
.our-story-image {
  margin-bottom: 25px;
}

.our-story-image img {
  width: 100%;
  max-height: 380px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

/* =========================
   Mobile
   ========================= */
@media (max-width: 768px) {
  .story-card,
  .mission-card {
    padding: 28px 22px;
  }

  .story-section h3 {
    font-size: 1.35rem;
  }
}

.site-footer {
  background: #0b1a2b;
  color: #ffffff;
  padding: 60px 8% 30px;
}

.site-footer .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}




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



/* =====================
   Mobile Layouts
   ===================== */
@media (max-width: 768px) {

  /* Learning */
  .learning-grid {
    grid-template-columns: 1fr;
  }

  /* Goals Timeline */
  .goals-timeline {
    display: grid;
    grid-template-columns: 1fr;
    padding-left: 30px;
  }

  .goals-timeline::before {
    left: 15px;
    transform: none;
  }

  .goal-step {
    opacity: 1;
    grid-column: 1 !important;
    padding-left: 35px;
  }

  .goal-step::before {
    left: -35px;
    right: auto;
  }

  /* Gallery */
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .gallery-item img {
    height: 220px;
  }
  /* Lock body scroll saat nav mobile terbuka */
body.nav-open {
  overflow: hidden;
}

}

/* =========================
   DARK MODE
========================= */

body,
section,
header,
.card,
.glass,
.founder-card,
.work-card,
.learning-card {
  transition: background 0.35s ease, color 0.35s ease;
}

body.dark-mode {
  background: #0f172a;
  color: #e5e7eb;
}

/* Header & Navbar */
body.dark-mode header,
body.dark-mode .navbar {
  background: rgba(15, 23, 42, 0.85);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

body.dark-mode .brand span,
body.dark-mode nav a {
  color: #e5e7eb;
}

/* Sections */
body.dark-mode section {
  background: transparent;
}

body.dark-mode .alt {
  background: #020617;
}

/* Cards */
body.dark-mode .glass,
body.dark-mode .founder-card,
body.dark-mode .work-card,
body.dark-mode .learning-card,
body.dark-mode .goal-step,
body.dark-mode .faq-item,
body.dark-mode .difference-card,
body.dark-mode .involved-card {
  background: rgba(30, 41, 59, 0.75);
  color: #e5e7eb;
}

/* Headings */
body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4 {
  color: #f9fafb;
}

/* Text */
body.dark-mode p,
body.dark-mode span {
  color: #cbd5f5;
}

/* Links */
body.dark-mode a {
  color: #a5b4fc;
}

/* FAQ */
body.dark-mode #faq .faq-question {
  color: #e5e7eb;
}

/* Footer */
body.dark-mode .site-footer {
  background: linear-gradient(135deg, #020617, #020617);
}

/* Dark toggle button */
.dark-toggle {
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
}

/* =========================
   DARK MODE GLOBAL
========================= */

body.dark-mode {
  background: #020617;
  color: #e5e7eb;
}

/* Header / Navbar */
body.dark-mode header {
  background: rgba(2, 6, 23, 0.9);
  box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}

body.dark-mode .brand span,
body.dark-mode nav a {
  color: #e5e7eb;
}

/* Section alternate */
body.dark-mode .alt {
  background: #020617;
}

/* Card / Glass */
body.dark-mode .glass,
body.dark-mode .founder-card,
body.dark-mode .work-card,
body.dark-mode .learning-card,
body.dark-mode .goal-step,
body.dark-mode .faq-item,
body.dark-mode .difference-card,
body.dark-mode .involved-card {
  background: rgba(30, 41, 59, 0.75);
  color: #e5e7eb;
  box-shadow: 0 20px 40px rgba(0,0,0,0.35);
}

/* Headings */
body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4 {
  color: #f8fafc;
}

/* Text */
body.dark-mode p,
body.dark-mode span {
  color: #cbd5f5;
}

/* FAQ */
body.dark-mode #faq .faq-question {
  color: #e5e7eb;
}

body.dark-mode #faq .faq-answer p {
  color: #cbd5f5;
}

/* Footer */
body.dark-mode footer {
  background: #020617;
}

body,
header,
section,
.glass,
.card,
.founder-card,
.work-card,
.learning-card {
  transition: background 0.35s ease, color 0.35s ease;
}

/* =========================
   DARK MODE
========================= */
body.dark-mode {
  background: #0f172a;
  color: #e5e7eb;
}

/* Navbar */
body.dark-mode header {
  background: rgba(15, 23, 42, 0.95);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

body.dark-mode .brand span {
  color: #e5e7eb;
}

body.dark-mode nav .nav-link {
  color: #cbd5f5;
}

body.dark-mode nav .nav-link.active {
  color: #a5b4fc;
}

/* Section background */
body.dark-mode .alt {
  background: #020617;
}

/* Cards */
body.dark-mode .glass,
body.dark-mode .founder-card,
body.dark-mode .work-card,
body.dark-mode .learning-card,
body.dark-mode .goal-step,
body.dark-mode .faq-item {
  background: rgba(30, 41, 59, 0.75);
  color: #e5e7eb;
}

/* Headings */
body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4 {
  color: #f8fafc;
}

/* Paragraph */
body.dark-mode p {
  color: #cbd5f5;
}

/* =========================
   DARK MODE — STORY SECTION
========================= */
body.dark-mode .story-card,
body.dark-mode .mission-card {
  background: rgba(30, 41, 59, 0.8);
  color: #e5e7eb;
  box-shadow: 0 20px 45px rgba(0,0,0,0.4);
}

body.dark-mode .story-section h3 {
  color: #f8fafc;
}

body.dark-mode .story-section p {
  color: #cbd5f5;
}

/* =========================
   DARK MODE — FAQ (FORCE)
========================= */
body.dark-mode #faq {
  background: transparent;
}

body.dark-mode #faq .faq-header h2 {
  color: #f8fafc;
}

body.dark-mode #faq .faq-header p {
  color: #cbd5f5;
}

body.dark-mode #faq .faq-item {
  background: rgba(30, 41, 59, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.15);
  box-shadow: 0 15px 40px rgba(0,0,0,0.45);
}

body.dark-mode #faq .faq-question {
  color: #e5e7eb;
}

body.dark-mode #faq .faq-question .icon {
  color: #a5b4fc;
}

body.dark-mode #faq .faq-answer p {
  color: #cbd5f5;
}