/* ══════════════════════════════════════════
   Robiul Islam — Personal Brand Shared CSS
   Brand Colors: Navy Blue + Gold + White
══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,800;1,400;1,700&family=DM+Sans:wght@300;400;500;600;700&family=Amiri:ital,wght@0,400;0,700;1,400&family=Noto+Serif+Bengali:wght@400;600;700&display=swap');

:root {
  /* Navy Blue + Gold + White Brand Palette */
  --espresso: #0a0f1e;        /* deepest navy (was espresso) */
  --dark-roast: #0d1a35;      /* deep navy (was dark-roast) */
  --coffee: #102145;          /* core navy dark (was coffee) */
  --mocha: #1a3a6e;           /* mid navy (was mocha) */
  --caramel: #c9a84c;         /* primary gold (was caramel) */
  --latte: #e0c06a;           /* light gold (was latte) */
  --cream: #f5e6b8;           /* pale gold/cream (was cream) */
  --milk: #fdf8ec;            /* near-white gold tint (was milk) */
  --foam: #f4f7ff;            /* cool white/light bg (was foam) */

  /* Accent */
  --gold: #c9a84c;
  --gold-light: #f0d060;
  --white: #ffffff;

  /* Text */
  --text-dark: #0a0f1e;
  --text-mid: #1a2d50;
  --text-light: #4a6090;
  --text-muted: #7a90b8;

  /* UI */
  --border: rgba(26,58,110,0.18);
  --border-strong: rgba(26,58,110,0.35);
  --shadow-sm: 0 2px 12px rgba(10,15,30,0.1);
  --shadow-md: 0 8px 32px rgba(10,15,30,0.16);
  --shadow-lg: 0 20px 60px rgba(10,15,30,0.22);

  /* WhatsApp */
  --whatsapp: #25d366;
  --whatsapp-dark: #128c7e;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', 'Noto Serif Bengali', sans-serif;
  background: var(--white);
  color: var(--text-dark);
  overflow-x: hidden;
}

/* ══════════════════════════════
   NAVBAR
══════════════════════════════ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(26,10,0,0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(196,137,74,0.2);
  padding: 0 5%;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.nav-logo {
  display: flex; align-items: center; gap: 14px; text-decoration: none;
}
.logo-mark {
  width: 46px; height: 46px;
  background: linear-gradient(135deg, var(--caramel), var(--gold));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Playfair Display', serif;
  font-size: 22px; font-weight: 800;
  color: var(--espresso);
  box-shadow: 0 2px 16px rgba(212,160,23,0.4);
  letter-spacing: -1px;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text span:first-child {
  font-family: 'Playfair Display', serif;
  font-size: 18px; font-weight: 700; color: var(--white);
}
.logo-text span:last-child {
  font-size: 10px; color: var(--latte);
  letter-spacing: 2px; text-transform: uppercase;
}

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: rgba(255,255,255,0.75); text-decoration: none;
  font-size: 13.5px; font-weight: 500;
  padding: 8px 16px; border-radius: 8px;
  transition: all 0.2s;
}
.nav-links a:hover,
.nav-links a.active { background: rgba(196,137,74,0.15); color: var(--cream); }
.nav-cta {
  background: linear-gradient(135deg, var(--caramel), var(--mocha)) !important;
  color: white !important; font-weight: 600 !important;
  box-shadow: 0 2px 12px rgba(155,94,42,0.5);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(155,94,42,0.5) !important; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.nav-toggle span { width: 24px; height: 2px; background: white; border-radius: 2px; transition: all 0.3s; }

/* ══════════════════════════════
   BUTTONS
══════════════════════════════ */
.btn-primary {
  background: linear-gradient(135deg, var(--caramel), var(--mocha));
  color: white; padding: 14px 30px; border-radius: 10px;
  font-size: 15px; font-weight: 600; text-decoration: none;
  box-shadow: 0 4px 20px rgba(155,94,42,0.45);
  transition: all 0.25s; display: inline-block; border: none; cursor: pointer;
  font-family: 'DM Sans', sans-serif;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(155,94,42,0.55); }

.btn-gold {
  background: linear-gradient(135deg, var(--gold), #b8860b);
  color: var(--espresso); padding: 14px 30px; border-radius: 10px;
  font-size: 15px; font-weight: 700; text-decoration: none;
  box-shadow: 0 4px 20px rgba(212,160,23,0.4);
  transition: all 0.25s; display: inline-block; border: none; cursor: pointer;
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(212,160,23,0.55); }

.btn-outline {
  background: transparent; border: 2px solid rgba(196,137,74,0.5);
  color: var(--cream); padding: 12px 28px; border-radius: 10px;
  font-size: 15px; font-weight: 600; text-decoration: none;
  transition: all 0.25s; display: inline-block; cursor: pointer;
  font-family: 'DM Sans', sans-serif;
}
.btn-outline:hover { border-color: var(--latte); background: rgba(196,137,74,0.1); }

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: white; padding: 14px 30px; border-radius: 10px;
  font-size: 15px; font-weight: 700; text-decoration: none;
  box-shadow: 0 4px 20px rgba(37,211,102,0.35);
  transition: all 0.25s; display: inline-block; border: none; cursor: pointer;
  font-family: 'DM Sans', sans-serif;
}
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(37,211,102,0.45); }

/* ══════════════════════════════
   PAGE HERO (inner pages)
══════════════════════════════ */
.page-hero {
  padding: 140px 5% 80px;
  background: linear-gradient(160deg, var(--espresso) 0%, var(--dark-roast) 50%, var(--coffee) 100%);
  text-align: center; position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 40%, rgba(212,160,23,0.1) 0%, transparent 60%);
}
.page-hero::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(196,137,74,0.4), transparent);
}
.page-hero .breadcrumb {
  position: relative; display: flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 13px; color: rgba(255,255,255,0.45); margin-bottom: 24px;
}
.page-hero .breadcrumb a { color: var(--latte); text-decoration: none; }
.page-hero h1 {
  position: relative;
  font-family: 'Playfair Display', serif;
  font-size: clamp(30px, 4vw, 56px);
  color: white; margin-bottom: 18px; line-height: 1.25;
}
.page-hero h1 span { color: var(--gold); font-style: italic; }
.page-hero p {
  position: relative;
  font-size: 16px; color: rgba(255,255,255,0.6);
  max-width: 600px; margin: 0 auto; line-height: 1.8;
}

/* ══════════════════════════════
   SECTION COMMONS
══════════════════════════════ */
.section-tag {
  display: inline-block;
  background: var(--milk); color: var(--mocha);
  font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  padding: 6px 16px; border-radius: 50px; margin-bottom: 16px;
  border: 1px solid var(--border);
}
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 3.5vw, 46px); font-weight: 800;
  color: var(--espresso); line-height: 1.2; margin-bottom: 14px;
}
.section-title span { color: var(--caramel); font-style: italic; }
.section-sub { font-size: 16px; color: var(--text-light); line-height: 1.8; max-width: 580px; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header .section-sub { margin: 0 auto; }

/* ══════════════════════════════
   FOOTER
══════════════════════════════ */
footer {
  background: var(--espresso);
  color: rgba(255,255,255,0.6);
  padding: 70px 5% 0;
  position: relative;
}
footer::before {
  content: '';
  position: absolute; top: 0; left: 5%; right: 5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(196,137,74,0.4), transparent);
}
.footer-top {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; max-width: 1100px; margin: 0 auto;
  padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand p {
  font-size: 14px; line-height: 1.8; margin: 16px 0 20px;
  color: rgba(255,255,255,0.5);
}
.social-links { display: flex; gap: 10px; flex-wrap: wrap; }
.social-link {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(196,137,74,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700; text-decoration: none; color: var(--cream); transition: all 0.2s;
}
.social-link:hover { background: var(--caramel); border-color: var(--caramel); transform: translateY(-2px); }
.social-link.wa:hover { background: var(--whatsapp); border-color: var(--whatsapp); }
.footer-col h4 {
  font-size: 11px; font-weight: 700; color: var(--latte);
  margin-bottom: 18px; letter-spacing: 2px; text-transform: uppercase;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px; color: rgba(255,255,255,0.5); text-decoration: none; transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--cream); }
.footer-bottom {
  max-width: 1100px; margin: 0 auto;
  padding: 24px 0;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; flex-wrap: wrap; gap: 10px;
  color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: var(--latte); text-decoration: none; }

/* ══════════════════════════════
   TOAST
══════════════════════════════ */
.toast {
  position: fixed; bottom: 30px; right: 30px; z-index: 99999;
  background: var(--dark-roast); color: white; padding: 16px 24px;
  border-radius: 12px; font-size: 14px; font-weight: 600;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
  border: 1px solid rgba(196,137,74,0.3);
  transform: translateY(80px); opacity: 0;
  transition: all 0.35s; pointer-events: none;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* WhatsApp Floating Button */
.wa-float {
  position: fixed; bottom: 28px; left: 28px; z-index: 9000;
  width: 58px; height: 58px; border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #128c7e);
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; font-size: 26px;
  box-shadow: 0 4px 20px rgba(37,211,102,0.5);
  transition: all 0.25s; animation: pulse-wa 2.5s infinite;
}
.wa-float:hover { transform: scale(1.1); }
@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.5); }
  50% { box-shadow: 0 4px 30px rgba(37,211,102,0.8); }
}

/* ══════════════════════════════
   SCROLL REVEAL
══════════════════════════════ */
.reveal { opacity: 0; transform: translateY(28px); transition: all 0.65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ══════════════════════════════
   RESPONSIVE
══════════════════════════════ */
@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links {
    display: none; flex-direction: column;
    position: absolute; top: 72px; left: 0; right: 0;
    background: rgba(26,10,0,0.98); padding: 20px 5%; gap: 4px;
    border-bottom: 1px solid rgba(196,137,74,0.15);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; width: 100%; }
  .nav-toggle { display: flex; }
}
@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
}