/* Wheeler Tech AI — Stylesheet v2.0 (Microsoft-inspired) */

/* ─── Design Tokens ─────────────────────────────────────────── */
:root {
  --navy:        #1B2A4A;
  --navy-dark:   #111D33;
  --navy-mid:    #243558;
  --gold:        #C9A84C;
  --gold-light:  #F5EDD0;
  --white:       #FFFFFF;
  --gray-50:     #F8F8F8;
  --gray-100:    #F2F2F2;
  --gray-200:    #E5E5E5;
  --gray-400:    #9E9E9E;
  --gray-600:    #555555;
  --text:        #1A1A1A;
  --text-mid:    #444444;
  --text-light:  #666666;
  --radius-sm:   4px;
  --radius:      8px;
  --radius-lg:   16px;
  --shadow-sm:   0 2px 8px rgba(0,0,0,0.06);
  --shadow:      0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg:   0 8px 40px rgba(0,0,0,0.12);
  --max-width:   1200px;
  --transition:  0.2s ease;
}

/* ─── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ─── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, sans-serif;
  font-weight: 700;
  line-height: 1.15;
  color: var(--navy);
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.75rem); }
h3 { font-size: 1.3rem; font-weight: 600; }
h4 { font-size: 1.05rem; font-weight: 600; }
p  { margin-bottom: 1rem; color: var(--text-mid); line-height: 1.75; }
p:last-child { margin-bottom: 0; }

/* ─── Layout ─────────────────────────────────────────────────── */
.container {
  width: 92%;
  max-width: var(--max-width);
  margin: 0 auto;
}
.section        { padding: 6rem 0; }
.section-sm     { padding: 4rem 0; }
.section-alt    { background: var(--gray-50); }
.section-dark   { background: var(--navy); }

/* ─── Navigation ─────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.nav-logo img { height: 36px; width: auto; }
.nav-logo-text {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy);
  letter-spacing: -0.01em;
}
.nav-logo-text span { color: var(--gold); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}
.nav-links a {
  color: var(--text-mid);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--navy); background: var(--gray-100); }
.nav-links a.active { color: var(--navy); font-weight: 600; }
.nav-cta {
  background: var(--navy) !important;
  color: var(--white) !important;
  padding: 0.5rem 1.25rem !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  margin-left: 0.5rem;
}
.nav-cta:hover { background: var(--navy-mid) !important; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
}

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 1.5px solid transparent;
  font-family: inherit;
  letter-spacing: 0.01em;
}
.btn-primary {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-primary:hover { background: var(--navy-mid); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-gold {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
  font-weight: 700;
}
.btn-gold:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover { background: var(--navy); color: var(--white); transform: translateY(-1px); }
.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline-white:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }
.btn-lg { padding: 1rem 2.25rem; font-size: 1.05rem; }

/* ─── Hero ───────────────────────────────────────────────────── */
.hero {
  background: var(--navy);
  background-image:
    radial-gradient(ellipse at 70% 50%, rgba(201,168,76,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(255,255,255,0.04) 0%, transparent 50%);
  color: var(--white);
  padding: 7rem 0 6rem;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--white);
  clip-path: ellipse(55% 100% at 50% 100%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  font-size: clamp(2.6rem, 5vw, 3.75rem);
}
.hero h1 em {
  font-style: normal;
  color: var(--gold);
}
.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.78);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-card-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  max-width: 380px;
}
.hero-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  backdrop-filter: blur(8px);
}
.hero-card-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: rgba(201,168,76,0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 1.1rem;
}
.hero-card-text strong {
  display: block;
  color: var(--white);
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
}
.hero-card-text span {
  color: rgba(255,255,255,0.6);
  font-size: 0.82rem;
}

/* ─── Feature Tiles ──────────────────────────────────────────── */
.feature-tiles {
  background: var(--white);
  padding: 3rem 0;
  border-bottom: 1px solid var(--gray-200);
}
.tiles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.tile {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  cursor: default;
}
.tile:hover {
  border-color: var(--navy);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.tile-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--gold-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  font-size: 1.2rem;
}
.tile h4 { margin-bottom: 0.25rem; color: var(--navy); }
.tile p  { font-size: 0.85rem; color: var(--text-light); margin: 0; }

/* ─── Section Headers ────────────────────────────────────────── */
.section-header { margin-bottom: 3.5rem; }
.section-header.centered { text-align: center; }
.section-header h2 { margin-bottom: 0.85rem; }
.section-header p {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  line-height: 1.8;
}
.section-header.centered p { margin: 0 auto; }
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.85rem;
}

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: transparent;
}
.card-icon {
  width: 52px;
  height: 52px;
  background: var(--gold-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--navy);
  font-size: 1.3rem;
  font-weight: 700;
}
.card h3 { margin-bottom: 0.6rem; font-size: 1.2rem; }
.card p  { font-size: 0.95rem; color: var(--text-mid); }
.card-meta {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--gray-100);
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.8;
}
.card-meta strong { color: var(--navy); }

/* ─── Grid Layouts ───────────────────────────────────────────── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }

/* ─── Split Layout ───────────────────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.split.reverse .split-visual { order: -1; }

/* ─── About ──────────────────────────────────────────────────── */
.about-credentials {
  margin-top: 1.75rem;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.about-credentials li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 0.95rem;
  color: var(--text-mid);
}
.about-credentials li::before {
  content: '';
  width: 7px;
  height: 7px;
  min-width: 7px;
  background: var(--gold);
  border-radius: 50%;
  margin-top: 0.55rem;
}
.about-photo {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  border-radius: var(--radius-lg);
  aspect-ratio: 4/5;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.3);
  font-size: 0.9rem;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; }

/* ─── Work Cards ─────────────────────────────────────────────── */
.work-card {
  border-top: 3px solid var(--gold);
  padding-top: 1.75rem;
}
.work-card h3 { margin-bottom: 0.6rem; font-size: 1.15rem; }
.work-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.work-tag {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--gold-light);
  color: var(--navy);
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
}

/* ─── Stat Band ──────────────────────────────────────────────── */
.stat-band {
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  padding: 3.5rem 0;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.stat-item strong {
  display: block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat-item span { font-size: 0.9rem; color: var(--text-light); }

/* ─── CTA Band ───────────────────────────────────────────────── */
.cta-band {
  background: var(--navy);
  background-image: radial-gradient(ellipse at 80% 50%, rgba(201,168,76,0.1) 0%, transparent 60%);
  color: var(--white);
  padding: 6rem 0;
}
.cta-band-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
}
.cta-band h2 { color: var(--white); margin-bottom: 0.75rem; }
.cta-band p { color: rgba(255,255,255,0.72); font-size: 1.1rem; }
.cta-band-actions { display: flex; flex-direction: column; gap: 0.75rem; align-items: flex-end; }

/* ─── Contact ────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 5rem;
  align-items: start;
}
.contact-info h2 { margin-bottom: 1rem; }
.contact-info p { color: var(--text-light); margin-bottom: 1.5rem; }
.contact-detail {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
  font-size: 0.95rem;
  color: var(--text-mid);
}
.contact-detail a:hover { color: var(--navy); text-decoration: underline; }
.form-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow);
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 0.45rem;
  color: var(--navy);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(27,42,74,0.08);
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-success {
  display: none;
  background: #ECFDF5;
  border: 1px solid #6EE7B7;
  border-radius: var(--radius);
  padding: 1.25rem;
  color: #065F46;
  font-weight: 500;
}

/* ─── Page Hero ──────────────────────────────────────────────── */
.page-hero {
  background: var(--navy);
  background-image: radial-gradient(ellipse at 80% 50%, rgba(201,168,76,0.08) 0%, transparent 60%);
  color: var(--white);
  padding: 5rem 0 4rem;
}
.page-hero h1 { color: var(--white); margin-bottom: 0.85rem; font-size: clamp(2rem, 4vw, 3rem); }
.page-hero p { color: rgba(255,255,255,0.72); font-size: 1.15rem; max-width: 560px; }

/* ─── Footer ─────────────────────────────────────────────────── */
.footer {
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  padding: 3rem 0 2rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 3rem;
  align-items: start;
  padding-bottom: 2rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--gray-200);
}
.footer-brand {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  color: var(--navy);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}
.footer-brand span { color: var(--gold); }
.footer-tagline { font-size: 0.85rem; color: var(--text-light); }
.footer-col h5 {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--navy);
  margin-bottom: 0.85rem;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer-links a {
  font-size: 0.9rem;
  color: var(--text-light);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--navy); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-copy { font-size: 0.82rem; color: var(--text-light); }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .tiles-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-grid  { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
}
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 1.5rem;
    gap: 0.5rem;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--gray-200);
  }
  .nav { position: relative; }
  .nav-toggle { display: flex; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .split  { grid-template-columns: 1fr; gap: 2.5rem; }
  .split.reverse .split-visual { order: 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .form-row { grid-template-columns: 1fr; }
  .cta-band-inner { grid-template-columns: 1fr; }
  .cta-band-actions { align-items: flex-start; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero { padding: 5rem 0 5rem; }
  .hero-ctas { flex-direction: column; }
  .tiles-grid { grid-template-columns: 1fr; }
  .stat-grid  { grid-template-columns: 1fr 1fr; }
  .section    { padding: 4rem 0; }
}