/* ============================================
   ADAM CALLING - Main Stylesheet
   SHAG Media | adamcalling.ai
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;600;700;800;900&family=Barlow+Condensed:wght@400;600;700;800&display=swap');

:root {
  --navy:       #0A1628;
  --royal:      #1440A0;
  --blue-mid:   #1A52C8;
  --blue-light: #2E6EE8;
  --yellow:     #FFD100;
  --yellow-hot: #FFC000;
  --white:      #FFFFFF;
  --off-white:  #F4F6FB;
  --grey-light: #E8ECF5;
  --grey-mid:   #9BA8C0;
  --grey-dark:  #4A5568;
  --text:       #0A1628;

  --font-head: 'Barlow', sans-serif;
  --font-body: 'Barlow', sans-serif;

  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(10,22,40,0.10);
  --shadow-lg: 0 12px 48px rgba(10,22,40,0.16);
  --transition: all 0.28s cubic-bezier(0.4,0,0.2,1);
}

/* ---- RESET & BASE ---- */
*, *::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);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ---- TYPOGRAPHY ---- */
h1,h2,h3,h4,h5 { font-family: var(--font-head); line-height: 1.25; letter-spacing: -0.01em; overflow: visible; padding-bottom: 0.05em; }
h1 { font-size: clamp(2.6rem, 5vw, 4.2rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 700; letter-spacing: -0.02em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.65rem); font-weight: 700; }
h4 { font-size: 1.1rem; font-weight: 600; }
p { font-size: 1.05rem; color: var(--grey-dark); line-height: 1.7; }

/* ---- LAYOUT ---- */
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-dark { background: var(--navy); color: var(--white); }
.section-dark p { color: var(--grey-light); }
.section-blue { background: var(--royal); color: var(--white); }
.section-off { background: var(--off-white); }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--yellow);
  color: var(--navy);
}
.btn-primary:hover {
  background: var(--yellow-hot);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,209,0,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
}
.btn-outline:hover {
  border-color: var(--yellow);
  color: var(--yellow);
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--navy);
  color: var(--white);
}
.btn-dark:hover {
  background: var(--royal);
  transform: translateY(-2px);
}
.btn-lg { padding: 18px 42px; font-size: 1.1rem; }

/* ---- BADGES ---- */
.badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.badge-yellow { background: var(--yellow); color: var(--navy); }
.badge-blue { background: rgba(20,64,160,0.12); color: var(--royal); }
.badge-white { background: rgba(255,255,255,0.15); color: var(--white); }

/* ---- SECTION HEADER ---- */
.section-header { text-align: center; max-width: 720px; margin: 0 auto 64px; }
.section-header .badge { margin-bottom: 16px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { font-size: 1.1rem; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: var(--transition);
}
.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav.scrolled {
  background: rgba(10,22,40,0.97);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.25);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo svg { width: 44px; height: 44px; }
.nav-logo-text { font-family: var(--font-head); font-weight: 800; font-size: 1.35rem; color: var(--white); letter-spacing: 0.01em; }
.nav-logo-text span { color: var(--yellow); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  color: rgba(255,255,255,0.82);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--yellow);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.nav-cta { display: flex; align-items: center; gap: 12px; }

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

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0; bottom: 0;
  background: var(--navy);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: var(--white);
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
}

/* ============================================
   HERO (shared base)
   ============================================ */
.hero {
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(20,64,160,0.45) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(255,209,0,0.08) 0%, transparent 60%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content { position: relative; z-index: 2; }
.hero-badge { margin-bottom: 24px; }
.hero h1 { color: var(--white); margin-bottom: 24px; }
.hero h1 .accent { color: var(--yellow); }
.hero-sub { font-size: 1.2rem; color: rgba(255,255,255,0.75); margin-bottom: 40px; max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 56px; }
.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.hero-stat-num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--yellow);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

/* ---- Floating Adam visual ---- */
.hero-visual {
  position: absolute;
  right: -40px;
  top: 50%;
  transform: translateY(-50%);
  width: 520px;
  opacity: 0.85;
}
.adam-orb {
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, var(--blue-light), var(--royal), var(--navy));
  box-shadow:
    0 0 80px rgba(20,64,160,0.5),
    0 0 160px rgba(20,64,160,0.25),
    inset 0 0 60px rgba(255,209,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: orb-pulse 4s ease-in-out infinite;
  position: relative;
}
@keyframes orb-pulse {
  0%,100% { box-shadow: 0 0 80px rgba(20,64,160,0.5), 0 0 160px rgba(20,64,160,0.25), inset 0 0 60px rgba(255,209,0,0.1); }
  50% { box-shadow: 0 0 120px rgba(20,64,160,0.7), 0 0 240px rgba(20,64,160,0.35), inset 0 0 80px rgba(255,209,0,0.15); }
}
.adam-orb-logo { width: 180px; height: 180px; }
.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255,209,0,0.2);
  animation: orbit-spin linear infinite;
}
.orbit-ring-1 { width: 500px; height: 500px; top: -40px; left: -40px; animation-duration: 12s; }
.orbit-ring-2 { width: 580px; height: 580px; top: -80px; left: -80px; animation-duration: 20s; animation-direction: reverse; border-color: rgba(255,255,255,0.08); }
.orbit-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--yellow);
  border-radius: 50%;
  top: -5px;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 12px var(--yellow);
}
@keyframes orbit-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow);
  border: 1px solid var(--grey-light);
  transition: var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(20,64,160,0.15);
}
.card-dark {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--white);
}
.card-dark:hover { border-color: rgba(255,209,0,0.3); }
.card-dark p { color: rgba(255,255,255,0.7); }
.card-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.6rem;
}
.card-icon-yellow { background: rgba(255,209,0,0.15); }
.card-icon-blue { background: rgba(20,64,160,0.1); }
.card h3 { margin-bottom: 12px; }

/* ============================================
   GRID UTILITIES
   ============================================ */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }

/* ============================================
   PROCESS STEPS
   ============================================ */
.step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.step-num {
  flex-shrink: 0;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--navy);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-body h4 { margin-bottom: 8px; font-family: var(--font-head); font-size: 1.1rem; }

/* ============================================
   FORMS
   ============================================ */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--navy);
}
.form-label-light { color: rgba(255,255,255,0.85); }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--grey-light);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--navy);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--royal);
  box-shadow: 0 0 0 4px rgba(20,64,160,0.1);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-input-dark, .form-textarea-dark {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
  color: var(--white);
}
.form-input-dark::placeholder, .form-textarea-dark::placeholder { color: rgba(255,255,255,0.4); }
.form-input-dark:focus, .form-textarea-dark:focus {
  border-color: var(--yellow);
  box-shadow: 0 0 0 4px rgba(255,209,0,0.1);
}
.form-check { display: flex; align-items: flex-start; gap: 12px; }
.form-check input[type="checkbox"] { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--yellow); }
.form-check label { font-size: 0.9rem; color: rgba(255,255,255,0.7); cursor: pointer; }

/* ============================================
   CTA STRIP
   ============================================ */
.cta-strip {
  background: var(--yellow);
  padding: 72px 0;
  text-align: center;
}
.cta-strip h2 { color: var(--navy); margin-bottom: 16px; }
.cta-strip p { color: rgba(10,22,40,0.7); margin-bottom: 36px; font-size: 1.1rem; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--navy);
  color: var(--white);
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-brand p { color: rgba(255,255,255,0.6); margin: 16px 0 24px; font-size: 0.95rem; max-width: 280px; }
.footer-col h5 {
  font-family: var(--font-head);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col ul li a {
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom p { font-size: 0.85rem; color: rgba(255,255,255,0.45); }
.footer-bottom a { color: rgba(255,255,255,0.45); }
.footer-bottom a:hover { color: var(--yellow); }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo svg { width: 36px; height: 36px; }
.footer-logo-text { font-family: var(--font-head); font-weight: 800; font-size: 1.1rem; color: var(--white); }
.footer-logo-text span { color: var(--yellow); }

/* ============================================
   PAGE HERO (inner pages)
   ============================================ */
.page-hero {
  background: var(--navy);
  padding: 160px 0 96px;
  position: relative;
  overflow: hidden;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 70% at 80% 50%, rgba(20,64,160,0.4) 0%, transparent 70%);
}
.page-hero-content { position: relative; z-index: 2; max-width: 680px; overflow: visible; padding-bottom: 8px; }
.page-hero h1 { color: var(--white); margin-bottom: 20px; }
.page-hero p { font-size: 1.15rem; color: rgba(255,255,255,0.72); }
.page-hero .badge { margin-bottom: 20px; }

/* ============================================
   FAQ ACCORDION
   ============================================ */
.faq-item {
  border-bottom: 1px solid var(--grey-light);
  padding: 24px 0;
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  gap: 16px;
}
.faq-question h4 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--navy);
  transition: var(--transition);
}
.faq-question:hover h4 { color: var(--royal); }
.faq-icon {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--off-white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
  transition: var(--transition);
  color: var(--royal);
}
.faq-item.open .faq-icon { background: var(--yellow); color: var(--navy); transform: rotate(45deg); }
.faq-answer { display: none; padding-top: 16px; }
.faq-answer p { color: var(--grey-dark); }
.faq-item.open .faq-answer { display: block; }

/* ============================================
   USE CASE TABS
   ============================================ */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; }
.tab-btn {
  padding: 10px 24px;
  border-radius: 50px;
  border: 2px solid var(--grey-light);
  background: transparent;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--grey-dark);
  transition: var(--transition);
}
.tab-btn.active, .tab-btn:hover {
  background: var(--royal);
  border-color: var(--royal);
  color: var(--white);
}
.tab-panel { display: none; }
.tab-panel.active { display: grid; }

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero-visual { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero-stats { gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .step { flex-direction: column; }
}
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .btn-lg { padding: 14px 28px; font-size: 1rem; }
}

/* ---- Utility ---- */
.text-center { text-align: center; }
.text-yellow { color: var(--yellow); }
.text-white { color: var(--white); }
.mb-0 { margin-bottom: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.highlight-bar {
  display: inline-block;
  background: var(--yellow);
  height: 6px;
  width: 60px;
  border-radius: 3px;
  margin-bottom: 24px;
}