/* ================= RESET ================= */
*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:Arial, Helvetica, sans-serif;
  scroll-behavior:smooth;
}

/* ================= VARIABLES ================= */
:root{
  --bg:#081120;
  --text:#ffffff;
  --card:#111827;
  --accent:#38bdf8;
  --secondary:#cbd5e1;
  --border:rgba(255,255,255,0.08);
}

/* ================= LIGHT MODE ================= */
body.light{
  --bg:#edf4fb;
  --text:#0f172a;
  --card:#ffffff;
  --accent:#0284c7;
  --secondary:#475569;
  --border:rgba(15,23,42,0.08);
}

/* ================= BODY ================= */
body{
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
  transition:0.3s ease;
}

/* ================= NAVBAR ================= */
header{
  position:fixed;
  width:100%;
  z-index:1000;
  background:rgba(8,17,32,0.85);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}

body.light header{
  background:rgba(255,255,255,0.85);
}

.nav-container{
  max-width:1250px;
  margin:auto;
  padding:16px 20px;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

/* DARK MODE BUTTON */
.icon-btn{
  width:45px;
  height:45px;
  border:none;
  border-radius:12px;
  background:rgba(56,189,248,0.12);
  color:var(--text);
  cursor:pointer;
  font-size:16px;
  transition:0.3s;
}

.icon-btn:hover{
  background:var(--accent);
  color:#000;
}

/* NAV */
nav ul{
  display:flex;
  gap:15px;
  list-style:none;
}

nav ul li a{
  color:var(--text);
  text-decoration:none;
  padding:10px 16px;
  border-radius:30px;
  transition:0.3s;
}

nav ul li a:hover{
  background:rgba(56,189,248,0.15);
  color:var(--accent);
}

/* ================= HERO ================= */
.hero{
  min-height:100vh;
  position:relative;
  display:flex;
  justify-content:center;
  align-items:center;
  text-align:center;
  padding:140px 20px 80px;

  background:
  radial-gradient(circle at top,#123d8d,#081120);
}

/* LIGHT HERO */
body.light .hero{
  background:
  radial-gradient(
    circle at top,
    #90c2ff 0%,
    #c8e2ff 40%,
    #edf4fb 100%
  );
}

.hero-overlay{
  position:absolute;
  inset:0;

  background:
  linear-gradient(
    to bottom,
    rgba(0,0,0,0.15),
    rgba(0,0,0,0.55)
  );
}

/* LIGHT OVERLAY */
body.light .hero-overlay{
  background:
  linear-gradient(
    to bottom,
    rgba(255,255,255,0.08),
    rgba(255,255,255,0.25)
  );
}

.hero-content{
  position:relative;
  z-index:2;
  max-width:850px;
}

/* HERO LOGO */
.hero-logo{
  width:340px;
  margin-bottom:30px;

  filter:
    drop-shadow(0 10px 25px rgba(0,0,0,0.35));
}

/* HERO TEXT */
.hero h1{
  font-size:clamp(55px,8vw,95px);
  margin-bottom:15px;
}

.subtitle{
  color:var(--accent);
  font-size:18px;
  margin-bottom:12px;
}

.tagline{
  color:var(--secondary);
  font-size:16px;
  line-height:1.8;
  margin-bottom:30px;
}

/* BUTTON */
.btn{
  display:inline-block;
  text-decoration:none;
  padding:15px 30px;
  border-radius:12px;
  background:var(--accent);
  color:#000;
  font-weight:bold;
  transition:0.3s;
}

.btn:hover{
  transform:translateY(-4px);
}

/* ================= GENERAL SECTIONS ================= */
section{
  padding:110px 20px;
  max-width:1200px;
  margin:auto;
}

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

.section-heading span{
  color:var(--accent);
  font-size:14px;
  letter-spacing:2px;
}

.section-heading h2{
  font-size:clamp(32px,5vw,55px);
  margin-top:10px;
}

/* ================= ABOUT ================= */
.about-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:25px;
}

.card{
  background:var(--card);
  border:1px solid var(--border);
  padding:30px;
  border-radius:24px;
  transition:0.3s;
}

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

.card-icon{
  width:55px;
  height:55px;
  border-radius:14px;
  background:rgba(56,189,248,0.12);
  display:flex;
  justify-content:center;
  align-items:center;
  color:var(--accent);
  font-size:22px;
  margin-bottom:18px;
}

.card h3{
  margin-bottom:12px;
}

.card p{
  line-height:1.8;
  color:var(--secondary);
}

/* ================= MISSION ================= */
.mission-box{
  margin-top:40px;
  background:var(--card);
  border:1px solid var(--border);
  padding:40px;
  border-radius:24px;
}

.mission-box h3{
  color:var(--accent);
  margin-bottom:18px;
  font-size:28px;
}

.mission-box p{
  line-height:1.8;
  margin-bottom:15px;
  color:var(--secondary);
}

.highlight{
  margin-top:20px;
  padding:18px;
  border-radius:15px;
  background:rgba(56,189,248,0.12);
  font-weight:bold;
  color:var(--text);
}

/* ================= MEMBERS SECTION ================= */
.members-section{

  margin-top:100px;
  padding:120px 40px;

  background:
  linear-gradient(
    135deg,
    #071427 0%,
    #102b52 50%,
    #16396b 100%
  );

  border-radius:40px;

  box-shadow:
    0 25px 60px rgba(0,0,0,0.35);
}

/* LIGHT MODE */
body.light .members-section{

  background:
  linear-gradient(
    135deg,
    #d7e9ff 0%,
    #bddcff 50%,
    #a8d0ff 100%
  );

  box-shadow:
    0 20px 50px rgba(2,132,199,0.12);
}

/* GRID */
.members-grid{

  display:grid;

  grid-template-columns:
    repeat(auto-fit, minmax(420px, 1fr));

  gap:40px;

  align-items:center;
}

/* CARD */
.member-card{

  overflow:hidden;

  border-radius:28px;

  border:
    1px solid rgba(255,255,255,0.08);

  background:#0f172a;

  transition:0.4s ease;

  min-height:520px;
}

/* IMAGE */
.member-card img{

  width:100%;
  height:100%;

  object-fit:cover;

  display:block;

  transition:0.4s ease;
}

/* HOVER */
.member-card:hover{

  transform:
    translateY(-8px)
    scale(1.01);
}

.member-card:hover img{

  transform:scale(1.03);
}

/* ================= CONTACT ================= */
#contact{

  margin-top:100px;
  padding:120px 40px;

  background:
  linear-gradient(
    135deg,
    rgba(8,17,32,1) 0%,
    rgba(14,35,64,1) 100%
  );

  border-radius:40px;

  border:
    1px solid rgba(56,189,248,0.08);
}

/* LIGHT CONTACT */
body.light #contact{

  background:
  linear-gradient(
    135deg,
    #f0f7ff 0%,
    #dbeafe 100%
  );

  border:
    1px solid rgba(2,132,199,0.08);
}

.contact-wrapper{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:30px;
}

.contact-info{
  display:flex;
  flex-direction:column;
  gap:20px;
}

.info-card{
  display:flex;
  gap:18px;
  background:var(--card);
  border:1px solid var(--border);
  padding:25px;
  border-radius:20px;
}

.info-card i{
  font-size:22px;
  color:var(--accent);
  margin-top:5px;
}

.info-card p{
  line-height:1.8;
  color:var(--secondary);
}

.map-container{
  overflow:hidden;
  border-radius:24px;
  border:1px solid var(--border);
}

.map-container iframe{
  width:100%;
  height:100%;
  min-height:450px;
  border:none;
}

/* ================= FOOTER ================= */
footer{
  text-align:center;
  padding:60px 20px;
  border-top:1px solid var(--border);
}

footer img{
  width:75px;
  margin-bottom:15px;
}

footer p{
  color:var(--secondary);
  margin-top:10px;
}

.copyright{
  margin-top:15px;
  font-size:13px;
  color:var(--secondary);
  opacity:0.8;
}

/* MEMBERSHIP SECTION */
.membership-section {
  padding: 100px 10%;
}

.membership-box {
  max-width: 800px;
  margin: 40px auto 0;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 50px 30px;
  text-align: center;
  backdrop-filter: blur(10px);

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.membership-box p {
  line-height: 1.8;
  margin-bottom: 30px;
  font-size: 1rem;
}

/* CONTACT LINKS */
.info-card a {
  color: inherit;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s ease;
}

.info-card a:hover {
  opacity: 0.7;
}

/* WHATSAPP BUTTON */
.whatsapp-btn {
  margin-left: 18px;
  font-size: 1.2rem;
  display: inline-flex;
  align-items: center;
}

.whatsapp-btn i {
  color: #25D366;
  transition: 0.3s ease;
}

.whatsapp-btn:hover i {
  transform: scale(1.1);
}

/* MOBILE */
@media (max-width: 768px) {

  .membership-box {
    padding: 35px 20px;
  }

}
/* ================= RESPONSIVE ================= */

/* TABLETS */
@media(max-width:950px){

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

  .hero-logo{
    width:260px;
  }

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

  .member-card{
    min-height:420px;
  }
}

/* MOBILE */
@media(max-width:768px){

  nav ul{
    gap:8px;
  }

  nav ul li a{
    padding:8px 12px;
    font-size:13px;
  }

  .hero{
    padding-top:160px;
  }

  .hero-logo{
    width:220px;
  }

  .hero h1{
    line-height:1.1;
  }

  .subtitle,
  .tagline{
    font-size:15px;
  }

  .card,
  .mission-box,
  .info-card{
    padding:24px;
  }

  .members-section,
  #contact{
    border-radius:24px;
  }

  .member-card{
    min-height:340px;
  }
}

/* SMALL PHONES */
@media(max-width:500px){

  .nav-container{
    padding:14px;
  }

  nav ul li a{
    font-size:12px;
    padding:7px 10px;
  }

  .hero-logo{
    width:180px;
  }

  .section-heading h2{
    font-size:35px;
  }

  .members-section{
    padding:80px 20px;
  }

  .member-card{
    min-height:280px;
    border-radius:22px;
  }
}