/* ═══════════════════════════════════════════════════
   PHC360 NIGERIA — MASTER STYLESHEET
   Colors: Navy #1A3B5D | Green #145A32 | Gold #C9A84C
═══════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,600;0,700;0,900;1,600;1,700&family=DM+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --navy:   #1A3B5D;
  --navy2:  #122A45;
  --green:  #145A32;
  --green2: #1B7A42;
  --gold:   #C9A84C;
  --gold2:  #E8C96A;
  --white:  #FFFFFF;
  --cream:  #FAF8F3;
  --light:  #F0F6F0;
  --ink:    #1A1A1A;
  --muted:  #5A6A5A;
  --rule:   #DDE8DD;
  --shadow: rgba(20,90,50,0.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', Arial, sans-serif;
  font-size: 16px;
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4 { font-family: 'Playfair Display', Georgia, serif; line-height: 1.15; }
h1 { font-size: clamp(2.2rem, 5vw, 4rem); font-weight: 900; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); font-weight: 600; }
p  { margin-bottom: 1rem; }
a  { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── UTILITY ─────────────────────────────────────── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.text-center { text-align: center; }
.text-white  { color: var(--white); }
.text-gold   { color: var(--gold); }
.text-green  { color: var(--green); }
.text-navy   { color: var(--navy); }
.bg-navy     { background: var(--navy); }
.bg-green    { background: var(--green); }
.bg-cream    { background: var(--cream); }
.bg-light    { background: var(--light); }
.fw-700      { font-weight: 700; }

.eyebrow {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; margin-bottom: 12px; display: block;
}
.eyebrow-gold  { color: var(--gold); }
.eyebrow-green { color: var(--green); }
.eyebrow-white { color: rgba(255,255,255,0.6); }

.gold-rule { width: 56px; height: 3px; background: var(--gold); margin: 20px 0; }
.gold-rule.center { margin: 20px auto; }

.quote-block {
  padding: 20px 24px;
  border-left: 4px solid var(--gold);
  background: var(--cream);
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 1.15rem;
  color: var(--navy);
  line-height: 1.6;
  margin: 24px 0;
}

/* ── BUTTONS ─────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; font-size: 0.9rem; font-weight: 600;
  letter-spacing: 0.5px; cursor: pointer; transition: all 0.25s ease;
  border: 2px solid transparent; font-family: 'DM Sans', sans-serif;
}
.btn-green  { background: var(--green);  color: var(--white); border-color: var(--green); }
.btn-green:hover  { background: var(--green2); border-color: var(--green2); transform: translateY(-2px); box-shadow: 0 8px 24px var(--shadow); }
.btn-gold   { background: var(--gold);   color: var(--navy);  border-color: var(--gold); }
.btn-gold:hover   { background: var(--gold2);   border-color: var(--gold2);  transform: translateY(-2px); }
.btn-outline-white { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.6); }
.btn-outline-white:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }
.btn-outline-green { background: transparent; color: var(--green); border-color: var(--green); }
.btn-outline-green:hover { background: var(--green); color: var(--white); }

/* ── GOLD TOP BAR ────────────────────────────────── */
.gold-top-bar {
  height: 5px;
  background: linear-gradient(90deg, var(--gold), #E8C96A, var(--gold));
}

/* ── NAV ─────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 1000;
  background: var(--navy);
  box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; max-width: 1140px; margin: 0 auto; height: 68px;
}
.nav-logo {
  display: flex; align-items: center; gap: 12px;
}
.nav-logo img { height: 44px; width: auto; }
.nav-logo-text {}
.nav-logo-name { font-family: 'Playfair Display', serif; font-size: 1.2rem; font-weight: 900; color: var(--white); line-height: 1; }
.nav-logo-name span { color: var(--gold); }
.nav-logo-tag  { font-size: 0.6rem; color: rgba(255,255,255,0.45); letter-spacing: 1.5px; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 8px 12px; font-size: 0.82rem; font-weight: 500;
  color: rgba(255,255,255,0.75); border-radius: 4px; transition: all 0.2s;
  letter-spacing: 0.3px;
}
.nav-links a:hover, .nav-links a.active { color: var(--white); background: rgba(255,255,255,0.08); }
.nav-links .btn-nav {
  margin-left: 8px; padding: 8px 18px;
  background: var(--green); color: var(--white);
  font-size: 0.82rem; font-weight: 600; border-radius: 4px; transition: all 0.2s;
}
.nav-links .btn-nav:hover { background: var(--green2); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.hamburger span { width: 24px; height: 2px; background: var(--white); transition: all 0.3s; display: block; }

/* ── HERO ─────────────────────────────────────────── */
.hero {
  background: var(--navy);
  min-height: 92vh; display: flex; flex-direction: column; justify-content: center;
  position: relative; overflow: hidden;
  padding: 80px 0;
}
.hero::before {
  content: ''; position: absolute; top: -200px; right: -200px;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(20,90,50,0.2) 0%, transparent 70%);
}
.hero::after {
  content: ''; position: absolute; bottom: -150px; left: -150px;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,76,0.1) 0%, transparent 70%);
}
.hero-inner { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(201,168,76,0.15); border: 1px solid rgba(201,168,76,0.4);
  padding: 7px 16px; margin-bottom: 28px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--gold);
}
.hero h1 { color: var(--white); margin-bottom: 20px; max-width: 760px; }
.hero h1 span { color: var(--gold); }
.hero-sub { font-size: 1.1rem; color: rgba(255,255,255,0.7); max-width: 560px; margin-bottom: 36px; line-height: 1.7; }
.hero-btns { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 60px; }
.hero-events { display: flex; gap: 16px; flex-wrap: wrap; }

.event-chip {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  padding: 12px 18px; transition: all 0.2s; cursor: pointer;
}
.event-chip:hover { background: rgba(255,255,255,0.1); border-color: rgba(201,168,76,0.5); }
.event-chip-dot { width: 8px; height: 8px; border-radius: 50%; }
.event-chip-dot.green { background: var(--green2); }
.event-chip-dot.gold  { background: var(--gold); }
.event-chip-text {}
.event-chip-name { font-size: 0.82rem; font-weight: 600; color: var(--white); }
.event-chip-date { font-size: 0.72rem; color: rgba(255,255,255,0.5); }

/* ── COUNTDOWN ───────────────────────────────────── */
.countdown-bar {
  background: var(--green); padding: 20px 0; border-top: 1px solid rgba(255,255,255,0.1);
}
.countdown-inner { display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; }
.countdown-label { font-size: 0.75rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,0.7); margin-right: 16px; }
.countdown-unit { text-align: center; min-width: 70px; }
.countdown-num { font-family: 'Playfair Display', serif; font-size: 2.2rem; font-weight: 900; color: var(--white); line-height: 1; }
.countdown-unit-label { font-size: 0.65rem; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,0.55); margin-top: 2px; }
.countdown-sep { font-size: 1.8rem; color: var(--gold); font-weight: 700; padding: 0 4px; align-self: flex-start; margin-top: 4px; }

/* ── STATS STRIP ─────────────────────────────────── */
.stats-strip { background: var(--navy2); padding: 48px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,0.08); }
.stat-item { text-align: center; padding: 28px 16px; background: var(--navy2); }
.stat-num { font-family: 'Playfair Display', serif; font-size: 2.8rem; font-weight: 900; color: var(--gold); line-height: 1; }
.stat-label { font-size: 0.82rem; color: rgba(255,255,255,0.6); margin-top: 6px; line-height: 1.4; }

/* ── ABOUT SECTION ───────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-img-block { position: relative; }
.img-placeholder {
  width: 100%; aspect-ratio: 4/3;
  background: var(--light);
  border: 2px dashed var(--rule);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; color: var(--muted); font-size: 0.82rem;
}
.img-placeholder .ph-icon { font-size: 2.5rem; opacity: 0.3; }
.img-placeholder .ph-label { font-weight: 600; color: var(--navy); font-size: 0.82rem; }
.img-placeholder .ph-sub { font-size: 0.72rem; color: var(--muted); }

/* ── SUMMITS CARDS ───────────────────────────────── */
.summits-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.summit-card {
  padding: 40px; position: relative; overflow: hidden; transition: transform 0.25s;
}
.summit-card:hover { transform: translateY(-4px); }
.summit-card.abuja { background: var(--green); }
.summit-card.lagos { background: var(--navy); }
.summit-card::before {
  content: ''; position: absolute; top: -60px; right: -60px;
  width: 200px; height: 200px; border-radius: 50%;
  background: rgba(255,255,255,0.05);
}
.summit-card-badge {
  display: inline-block; margin-bottom: 16px;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2);
  padding: 4px 12px; font-size: 0.68rem; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: rgba(255,255,255,0.8);
}
.summit-card h3 { font-size: 1.7rem; color: var(--white); margin-bottom: 12px; }
.summit-card-detail { font-size: 0.85rem; color: rgba(255,255,255,0.65); margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.summit-card-detail strong { color: var(--white); }
.summit-card .btn { margin-top: 24px; }

/* ── PILLARS ─────────────────────────────────────── */
.pillars-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--rule); }
.pillar-item {
  background: var(--white); padding: 36px 24px; text-align: center;
  transition: all 0.25s; border-bottom: 3px solid transparent;
}
.pillar-item:hover { background: var(--light); border-bottom-color: var(--green); }
.pillar-icon { font-size: 2.2rem; margin-bottom: 14px; }
.pillar-title { font-size: 0.9rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.pillar-desc  { font-size: 0.8rem; color: var(--muted); line-height: 1.5; }

/* ── SPONSORSHIP STRIP ───────────────────────────── */
.sponsor-strip { background: var(--cream); }
.sponsor-tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tier-card {
  padding: 36px 28px; background: var(--white);
  border: 1px solid var(--rule); border-top: 4px solid transparent;
  transition: all 0.25s; text-align: center;
}
.tier-card:hover { box-shadow: 0 12px 40px var(--shadow); transform: translateY(-4px); }
.tier-card.founding  { border-top-color: var(--gold); }
.tier-card.platinum  { border-top-color: var(--green); }
.tier-card.gold-tier { border-top-color: #8B6914; }

.tier-name   { font-size: 0.7rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; margin-bottom: 8px; }
.tier-amount { font-family: 'Playfair Display', serif; font-size: 2rem; font-weight: 900; color: var(--navy); margin-bottom: 8px; }
.tier-slots  { font-size: 0.78rem; color: var(--muted); margin-bottom: 16px; }
.tier-logo-slot {
  width: 100%; height: 72px;
  background: var(--light); border: 1.5px dashed var(--rule);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem; color: var(--muted); font-weight: 500;
  margin: 16px 0;
}
.tier-benefit { font-size: 0.8rem; color: var(--muted); line-height: 1.5; }

/* ── PARTNERS ────────────────────────────────────── */
.partners-row { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; align-items: center; }
.partner-logo-slot {
  width: 140px; height: 64px;
  background: var(--light); border: 1.5px dashed var(--rule);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; color: var(--muted); font-weight: 500; text-align: center; padding: 8px;
}

/* ── FOOTER ──────────────────────────────────────── */
.footer {
  background: var(--navy2);
  border-top: 4px solid var(--green);
  padding: 56px 0 24px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand {}
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-logo img { height: 50px; }
.footer-logo-text {}
.footer-name { font-family: 'Playfair Display', serif; font-size: 1.2rem; font-weight: 900; color: var(--white); }
.footer-name span { color: var(--gold); }
.footer-tagline { font-size: 0.68rem; color: var(--gold); letter-spacing: 1.5px; text-transform: uppercase; }
.footer-desc { font-size: 0.82rem; color: rgba(255,255,255,0.45); line-height: 1.7; margin-bottom: 20px; }
.footer-social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: all 0.2s;
  margin-right: 8px;
}
.footer-social a:hover { background: var(--green); color: var(--white); }
.footer-col h4 { font-size: 0.72rem; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; font-family: 'DM Sans', sans-serif; }
.footer-col a { display: block; font-size: 0.82rem; color: rgba(255,255,255,0.5); margin-bottom: 10px; transition: color 0.2s; }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: 0.75rem; color: rgba(255,255,255,0.3); }

/* ── MOBILE NAV ──────────────────────────────────── */
.mobile-nav {
  display: none; position: fixed; inset: 0; background: var(--navy2);
  z-index: 999; flex-direction: column; padding: 100px 40px 40px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a { font-size: 1.3rem; font-weight: 600; color: rgba(255,255,255,0.8); padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
.mobile-nav a:hover { color: var(--white); }
.mobile-nav .btn { margin-top: 24px; justify-content: center; }

/* ── PAGE HERO (inner pages) ─────────────────────── */
.page-hero {
  background: var(--navy); padding: 80px 0 60px;
  border-bottom: 4px solid var(--green);
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; right: -100px; top: -100px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(20,90,50,0.15) 0%, transparent 70%);
}
.page-hero-eyebrow { font-size: 0.7rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--gold); margin-bottom: 12px; }
.page-hero h1 { color: var(--white); margin-bottom: 16px; max-width: 680px; }
.page-hero p { color: rgba(255,255,255,0.65); max-width: 560px; font-size: 1.05rem; }

/* ── ANIMATIONS ──────────────────────────────────── */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── FORM ────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--rule);
  background: var(--white); color: var(--ink); font-size: 0.9rem; font-family: 'DM Sans', sans-serif;
  transition: border-color 0.2s; outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--green); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-success { background: var(--light); border: 1px solid var(--green); padding: 16px 20px; color: var(--green); font-weight: 600; display: none; }

/* ── RESPONSIVE ──────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .about-grid, .summits-grid, .footer-grid { grid-template-columns: 1fr; }
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .sponsor-tiers { grid-template-columns: 1fr; }
  .form-grid-2 { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .hero { min-height: auto; padding: 60px 0; }
}
@media (max-width: 600px) {
  .pillars-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-btns { flex-direction: column; }
  .countdown-sep { display: none; }
  .countdown-unit { min-width: 56px; }
}