/* ============================================================
   GSM Ventures — Main Stylesheet
   Middle Market Investment Bank & Advisory
   ============================================================ */

:root {
  --navy:       #0d1f3c;
  --navy-light: #1a3260;
  --blue:       #1e4d8c;
  --blue-mid:   #2563ae;
  --gold:       #c8a84b;
  --gold-light: #e8c96a;
  --white:      #ffffff;
  --off-white:  #f5f7fa;
  --light-gray: #eef1f6;
  --mid-gray:   #8494a8;
  --text-dark:  #1a2639;
  --text-body:  #3d4f63;
  --border:     #d8e0ea;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Source Sans 3', 'Source Sans Pro', Arial, sans-serif;

  --shadow-sm:  0 2px 8px rgba(13,31,60,0.08);
  --shadow-md:  0 6px 24px rgba(13,31,60,0.12);
  --shadow-lg:  0 16px 48px rgba(13,31,60,0.18);

  --transition: 0.3s ease;
  --radius:     6px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Links ── */
a { color: inherit; text-decoration: none; }

/* ────────────────────────────────
   NAVIGATION
──────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  height: 72px;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

#navbar.scrolled {
  background: rgba(13, 31, 60, 0.97);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
  backdrop-filter: blur(8px);
}

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: var(--white);
  letter-spacing: 0.01em;
  user-select: none;
}

.nav-logo .logo-gsm {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.04em;
}

.nav-logo .logo-ventures {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.80);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.90);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--gold-light);
  transition: width var(--transition);
}

.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--white); font-weight: 600; }

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ────────────────────────────────
   HERO
──────────────────────────────── */
#hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('chicago_river.jpg');
  background-size: cover;
  background-position: center 40%;
  background-repeat: no-repeat;
  transform: scale(1.04);
  transition: transform 8s ease-out;
}

.hero-bg.loaded { transform: scale(1); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(8, 20, 45, 0.52) 0%,
    rgba(8, 20, 45, 0.35) 40%,
    rgba(8, 20, 45, 0.60) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 18px;
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 0.7s 0.2s forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.5vw, 4.4rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.14;
  max-width: 760px;
  margin-bottom: 22px;
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.75s 0.4s forwards;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: rgba(255,255,255,0.88);
  max-width: 560px;
  margin-bottom: 40px;
  font-weight: 400;
  line-height: 1.7;
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 0.7s 0.6s forwards;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 0.7s 0.8s forwards;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-mid);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 16px 38px;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  border: 2px solid transparent;
}

.btn-primary:hover {
  background: var(--navy-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: var(--radius);
  border: 2px solid rgba(255,255,255,0.55);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.10);
  transform: translateY(-2px);
}

.hero-scroll-cue {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.55);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: bob 2.4s ease-in-out infinite;
}
.hero-scroll-cue svg { opacity: 0.6; }

@keyframes bob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(7px); }
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ────────────────────────────────
   STATS BAR
──────────────────────────────── */
#stats-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 28px 48px;
}

.stats-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 24px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  min-width: 200px;
  justify-content: center;
}

.stat-item + .stat-item {
  border-left: 1px solid var(--border);
  padding-left: 24px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--blue);
  white-space: nowrap;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.35;
  max-width: 160px;
}

/* ────────────────────────────────
   SECTION COMMON
──────────────────────────────── */
section { width: 100%; }

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-body);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.75;
}

/* ────────────────────────────────
   CAPABILITIES
──────────────────────────────── */
#capabilities {
  padding: 96px 0 80px;
  background: var(--off-white);
}

.caps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.cap-card {
  background: var(--white);
  border-radius: 10px;
  padding: 40px 28px 36px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.cap-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-mid);
}

.cap-icon {
  width: 64px; height: 64px;
  margin: 0 auto 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37,99,174,0.08);
  border-radius: 50%;
}

.cap-icon svg {
  width: 30px; height: 30px;
  fill: none;
  stroke: var(--blue-mid);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cap-title {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.cap-desc {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.65;
}

.cap-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 18px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-mid);
  transition: gap var(--transition), color var(--transition);
}
.cap-link:hover { gap: 9px; color: var(--navy); }

/* ────────────────────────────────
   WHO WE SERVE
──────────────────────────────── */
#who-we-serve {
  padding: 96px 0;
  background: var(--white);
}

.serve-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.serve-card {
  background: var(--off-white);
  border-radius: 10px;
  padding: 44px 40px;
  border-left: 5px solid var(--blue-mid);
  transition: box-shadow var(--transition), transform var(--transition);
}

.serve-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.serve-card.gold-accent { border-left-color: var(--gold); }

.serve-icon {
  font-size: 2.2rem;
  margin-bottom: 18px;
}

.serve-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 14px;
}

.serve-desc {
  font-size: 0.97rem;
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 18px;
}

.serve-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.serve-bullets li {
  font-size: 0.9rem;
  color: var(--text-body);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.serve-bullets li::before {
  content: '✓';
  color: var(--blue-mid);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ────────────────────────────────
   WHY GSM
──────────────────────────────── */
#why-gsm {
  padding: 96px 0;
  background: var(--navy);
  color: var(--white);
}

#why-gsm .section-title { color: var(--white); }
#why-gsm .section-label { color: var(--gold-light); }
#why-gsm .section-desc  { color: rgba(255,255,255,0.75); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.why-item {
  padding: 36px 28px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.why-item:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(200,168,75,0.4);
  transform: translateY(-4px);
}

.why-number {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--gold-light);
  line-height: 1;
  margin-bottom: 10px;
}

.why-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.why-desc {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.68);
  line-height: 1.7;
}

/* ────────────────────────────────
   PROCESS
──────────────────────────────── */
#process {
  padding: 96px 0;
  background: var(--light-gray);
}

.process-steps {
  display: flex;
  gap: 0;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--border);
  z-index: 0;
}

.process-step {
  flex: 1;
  text-align: center;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}

.step-dot {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--blue-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--blue-mid);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition), color var(--transition);
}

.process-step:hover .step-dot {
  background: var(--blue-mid);
  color: var(--white);
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 9px;
}

.step-desc {
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.65;
}

/* ────────────────────────────────
   CTA BANNER
──────────────────────────────── */
#cta-banner {
  padding: 88px 0;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  color: var(--white);
  text-align: center;
}

.cta-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 48px;
}

.cta-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 16px;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 18px;
  line-height: 1.22;
}

.cta-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.80);
  margin-bottom: 40px;
  line-height: 1.75;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  color: var(--navy);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  padding: 16px 38px;
  border-radius: var(--radius);
  border: 2px solid var(--white);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.btn-white:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  transform: translateY(-2px);
}

.btn-outline-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: var(--radius);
  border: 2px solid rgba(255,255,255,0.55);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.btn-outline-white:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.12);
  transform: translateY(-2px);
}

/* ────────────────────────────────
   FOOTER
──────────────────────────────── */
#footer {
  background: #080f1c;
  color: rgba(255,255,255,0.65);
  padding: 72px 0 32px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}

.footer-brand .nav-logo {
  margin-bottom: 18px;
  display: flex;
  flex-direction: row;
  align-items: baseline;
  gap: 8px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.75;
  margin-bottom: 24px;
  max-width: 300px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  font-size: 0.87rem;
  color: rgba(255,255,255,0.58);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  font-size: 0.82rem;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-legal {
  display: flex;
  gap: 24px;
}
.footer-legal a {
  color: rgba(255,255,255,0.45);
  transition: color var(--transition);
}
.footer-legal a:hover { color: rgba(255,255,255,0.85); }

.footer-disclaimer {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.07);
  font-size: 0.76rem;
  color: rgba(255,255,255,0.30);
  line-height: 1.7;
}

/* ────────────────────────────────
   SCROLL REVEAL
──────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ────────────────────────────────
   RESPONSIVE — TABLET
──────────────────────────────── */
@media (max-width: 1024px) {
  .caps-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .why-grid { grid-template-columns: 1fr 1fr; }
}

/* ────────────────────────────────
   RESPONSIVE — MOBILE
──────────────────────────────── */
@media (max-width: 768px) {
  #navbar { padding: 0 20px; }

  .nav-links {
    display: none;
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: rgba(13,31,60,0.98);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 16px 0 24px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  }

  .nav-links.open { display: flex; }

  .nav-links li { width: 100%; }

  .nav-links a {
    display: block;
    padding: 14px 24px;
    font-size: 1rem;
  }
  .nav-links a::after { display: none; }

  .nav-toggle { display: flex; }

  .hero-content { padding: 0 24px; }
  .hero-title { font-size: 2.2rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }

  #stats-bar { padding: 24px 20px; }
  .stats-inner { flex-direction: column; align-items: center; gap: 18px; }
  .stat-item { border-left: none !important; padding-left: 0 !important; border-bottom: 1px solid var(--border); padding-bottom: 18px; width: 100%; justify-content: center; }
  .stat-item:last-child { border-bottom: none; padding-bottom: 0; }

  .section-inner { padding: 0 20px; }
  #capabilities,
  #who-we-serve,
  #why-gsm,
  #process { padding: 64px 0; }

  .caps-grid { grid-template-columns: 1fr; }
  .serve-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }

  .process-steps { flex-direction: column; gap: 24px; }
  .process-steps::before { display: none; }

  .cta-inner { padding: 0 24px; }
  .cta-actions { flex-direction: column; align-items: center; }

  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-inner { padding: 0 20px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}