/* style.css */

/* Base Styles */
body { margin:0; font-family:'Montserrat', sans-serif; color:#2c3e50; line-height:1.6; background:#f5f5f5; scroll-behavior:smooth; }
a { text-decoration:none; color:inherit; }
img { max-width:100%; display:block; }
h1,h2,h3 { margin:0 0 15px 0; }
p { margin:0 0 15px 0; }

/* Header */
header { background:#1b3b4b; color:#fff; padding:15px 0; position:sticky; top:0; z-index:1000; transition: padding 0.3s ease; }
.container { max-width:1200px; margin:auto; padding:0 20px; display:flex; justify-content:space-between; align-items:center; }
.logo { font-size:1.8rem; font-weight:700; color:#4fa3a5; }
nav a { margin-left:25px; font-weight:600; transition:color 0.3s; }
nav a:hover { color:#4fa3a5; }

/* Hamburger Button — hidden on desktop */
.menu-toggle {
  display: none; /* flex only inside @media ≤768px */
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1100;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.menu-toggle span {
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
  /* no display:block here — inherited when button is shown */
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Nav always visible on desktop */
nav { display: flex; align-items: center; }

/* Collapsed state — applied by JS when nav overflows */
header.nav-collapsed .menu-toggle { display: flex; }
header.nav-collapsed nav {
  display: none !important;
  flex-direction: column;
  width: 100%;
  background: #1b3b4b;
  padding: 10px 0 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
header.nav-collapsed nav.open { display: flex !important; }
header.nav-collapsed nav a {
  margin: 0;
  padding: 12px 20px;
  font-size: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
header.nav-collapsed nav a:last-child { border-bottom: none; }
header.nav-collapsed nav a:hover {
  background: rgba(79,163,165,0.15);
  color: #4fa3a5;
}

/* Hero */
.hero { background:url('https://images.unsplash.com/photo-1591696331112-ec1b7a0a5915?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat; color:#fff; text-align:center; padding:140px 20px 100px; position:relative; }
.hero::after { content:""; position:absolute; top:0; left:0; width:100%; height:100%; background:rgba(27,59,75,0.55); }
.hero-content { position:relative; z-index:1; max-width:800px; margin:auto; }
.hero h2 { font-size:3rem; margin-bottom:20px; animation:fadeInDown 1s ease forwards; opacity:0; }
.hero p { font-size:1.3rem; margin-bottom:30px; animation:fadeInUp 1s ease 0.5s forwards; opacity:0; }
.btn { background:#4fa3a5; color:#fff; padding:14px 28px; border-radius:6px; font-weight:600; margin:5px; display:inline-block; transition:background 0.3s; }
.btn:hover { background:#3b7c7e; }

/* Sections */
section { padding:80px 20px; max-width:1200px; margin:auto; }
section h2 { text-align:center; margin-bottom:60px; color:#1b3b4b; font-size:2.2rem; }
.grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:40px; }
.card { background:#fff; padding:30px; border-radius:12px; box-shadow:0 8px 20px rgba(0,0,0,0.08); transition:transform 0.3s, box-shadow 0.3s; }
.card:hover { transform:translateY(-5px); box-shadow:0 12px 25px rgba(0,0,0,0.15); }
.card h3 { color:#4fa3a5; margin-bottom:15px; }
.card p { color:#2c3e50; }

/* Contact Form */
form { max-width:600px; margin:auto; display:flex; flex-direction:column; gap:15px; }
form input, form textarea { padding:12px; border-radius:6px; border:1px solid #ccc; font-size:1rem; }
form button { cursor:pointer; }

/* Footer */
footer { background:#1b3b4b; color:#fff; padding:50px 20px; text-align:center; }
footer a { color:#4fa3a5; transition:color 0.3s; }
footer a:hover { color:#fff; }

/* Animations */
@keyframes fadeInDown { from {opacity:0; transform:translateY(-20px);} to {opacity:1; transform:translateY(0);} }
@keyframes fadeInUp { from {opacity:0; transform:translateY(20px);} to {opacity:1; transform:translateY(0);} }

/* ─── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 1024px) {

  /* Header: logo left, hamburger right */
  .container {
    flex-wrap: wrap;
    position: relative;
  }

  /* Logo image: shrink for mobile */
  header img {
    height: 60px !important;
    transition: height 0.3s ease;
  }

  /* Shrunk header when scrolled */
  header.scrolled {
    padding: 6px 0;
    transition: padding 0.3s ease;
  }
  header.scrolled img {
    height: 32px !important;
  }

  /* Show hamburger */
  .menu-toggle {
    display: flex;
  }

  /* Nav: collapse to drawer, hidden until .open */
  nav {
    display: none !important; /* override base display:flex */
    flex-direction: column;
    width: 100%;
    background: #1b3b4b;
    padding: 10px 0 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  nav.open {
    display: flex !important;
  }
  nav a {
    margin: 0;
    padding: 12px 20px;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.07);
  }
  nav a:last-child {
    border-bottom: none;
  }
  nav a:hover {
    background: rgba(79,163,165,0.15);
    color: #4fa3a5;
  }

  /* Hero */
  .hero {
    padding: 80px 20px 60px;
  }
  .hero h1, .hero h2 {
    font-size: 1.7rem;
    line-height: 1.3;
  }
  .hero p {
    font-size: 1rem;
  }
  .btn {
    display: block;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
  }

  /* Sections */
  section {
    padding: 50px 16px;
  }
  section h2 {
    font-size: 1.6rem;
    margin-bottom: 30px;
  }

  /* Cards: single column */
  .grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* Contact form: full width inputs */
  form input, form textarea {
    font-size: 16px; /* prevents iOS zoom on focus */
    width: 100%;
    box-sizing: border-box;
  }

  /* Footer */
  footer {
    padding: 30px 16px;
    font-size: 0.9rem;
  }
}

/* ─── Login / Auth pages ───────────────────────────────────── */
.signup-container { text-align:center; margin-top:15px; font-size:0.95rem; }
.signup-container .signup-link { color:#4fa3a5; font-weight:600; text-decoration:none; }
.signup-container .signup-link:hover { text-decoration:underline; }
.logout-container { text-align:center; margin-top:30px; }

/* Pay Now buttons */
.pay-btn { background-color:#4fa3a5; color:#fff; border:none; border-radius:6px; padding:8px 16px; font-weight:600; cursor:pointer; transition:background 0.3s; }
.pay-btn:hover { background-color:#3b8284; }
.pay-btn:disabled { background-color:#ccc; cursor:not-allowed; }

.login-container { max-width:400px; margin:100px auto; background:#fff; padding:40px; border-radius:12px; box-shadow:0 8px 20px rgba(0,0,0,0.08); text-align:center; }
.login-container h2 { margin-bottom:20px; color:#1b3b4b; }
.login-container input { width:100%; margin-bottom:15px; }
.login-container button { width:100%; }

#loginError { display:none; color:red; font-weight:bold; margin-top:10px; }