/* Gibson Business Services — B2B appointment setting */

:root {
  --bg: #0f1419;
  --bg-elevated: #1a222c;
  --bg-card: #232d3a;
  --text: #e8ecf0;
  --text-muted: #9ca8b6;
  --accent: #d4a853;
  --accent-hover: #e4bc6a;
  --border: rgba(255, 255, 255, 0.08);
  --font-serif: "Instrument Serif", Georgia, serif;
  --font-sans: "DM Sans", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 20, 25, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--text);
  text-decoration: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--text);
}

.btn {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  border-radius: 6px;
  transition: background 0.2s, color 0.2s;
}

.btn-header {
  background: var(--accent);
  color: var(--bg);
}

.btn-header:hover {
  background: var(--accent-hover);
  color: var(--bg);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
}

/* Hero */
.hero {
  position: relative;
  padding: 8rem 0 6rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(212, 168, 83, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 1.5rem;
  max-width: 20ch;
}

.hero-lead {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 42rem;
  margin: 0 0 2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--bg);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--bg-elevated);
  border-color: var(--text-muted);
}

.btn-large {
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  font-weight: 400;
  margin: 0 0 2rem;
}

.section-intro {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 50rem;
  margin: 0 0 2.5rem;
}

.section-intro strong {
  color: var(--text);
}

/* Problem / Solution */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.card {
  padding: 2rem;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.card-dark {
  background: var(--bg-elevated);
}

.card-accent {
  background: rgba(212, 168, 83, 0.1);
  border-color: rgba(212, 168, 83, 0.25);
}

.card h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 400;
  margin: 0 0 1rem;
}

.card ul {
  margin: 0;
  padding-left: 1.25rem;
}

.card li {
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

.card-accent li {
  color: var(--text);
}

/* How it works */
.how-it-works {
  background: var(--bg-elevated);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  counter-increment: step;
}

.step:last-child {
  border-bottom: none;
}

.step-num {
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 8px;
}

.step h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  margin: 0 0 0.5rem;
}

.step p {
  margin: 0;
  color: var(--text-muted);
}

/* Why us */
.benefits {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.benefit {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.benefit-icon {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(212, 168, 83, 0.2);
  color: var(--accent);
  font-weight: 700;
  border-radius: 6px;
}

.benefit h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.benefit p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* CTA */
.cta-section {
  padding: 5rem 0;
}

.cta-inner {
  text-align: center;
  max-width: 36rem;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 400;
  margin: 0 0 1rem;
}

.cta-text {
  color: var(--text-muted);
  margin: 0 0 1.75rem;
}

/* Footer */
.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin: 0 0 0.25rem;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0 0 0.5rem;
}

.footer-services {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 42rem;
  margin: 0 0 0.75rem;
}

.footer-contact {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
}

.footer-contact a {
  color: var(--accent);
}

.footer-legal {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
}

.site-footer a {
  color: var(--text-muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--accent);
}

/* Mobile */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 4rem;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.2s, opacity 0.2s, visibility 0.2s;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .menu-toggle span {
    transition: transform 0.2s, opacity 0.2s;
  }

  .hero {
    padding: 6rem 0 4rem;
  }

  .two-col {
    grid-template-columns: 1fr;
  }

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

  .section {
    padding: 3rem 0;
  }
}