/* ============================================
   NorthStar Tax Pro — Light/Dark Theme
   ============================================ */

/* ---- Light Theme (default) ---- */
:root,
[data-theme="light"] {
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fc;
  --color-bg-card: #ffffff;
  --color-bg-elevated: #f1f3f8;
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-accent: #059669;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-white: #ffffff;
  --color-shadow: rgba(0, 0, 0, 0.06);
  --color-shadow-md: rgba(0, 0, 0, 0.1);
  --nav-bg: rgba(255, 255, 255, 0.95);
  --hero-gradient: linear-gradient(135deg, #f0f4ff 0%, #e8f4f8 100%);
}

/* ---- Dark Theme ---- */
[data-theme="dark"] {
  --color-bg: #0f172a;
  --color-bg-alt: #1e293b;
  --color-bg-card: #1e293b;
  --color-bg-elevated: #162032;
  --color-primary: #3b82f6;
  --color-primary-dark: #2563eb;
  --color-primary-light: rgba(59, 130, 246, 0.15);
  --color-accent: #10b981;
  --color-text: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-border: #334155;
  --color-border-light: #1e293b;
  --color-white: #f8fafc;
  --color-shadow: rgba(0, 0, 0, 0.3);
  --color-shadow-md: rgba(0, 0, 0, 0.4);
  --nav-bg: rgba(15, 23, 42, 0.95);
  --hero-gradient: linear-gradient(135deg, #162032 0%, #0f172a 100%);
}

/* ---- Reset ---- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', -apple-system, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  transition: background 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}
a:hover { color: var(--color-primary-dark); }

.hidden { display: none !important; }

/* ---- Section Labels ---- */
.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-primary);
  margin-bottom: 10px;
}
.section-label.center, .section-title, .section-subtitle { text-align: center; }

.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--color-text);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 50px;
}

.highlight {
  color: var(--color-primary);
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-full { width: 100%; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 8px var(--color-shadow);
  padding: 10px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
}
.logo span { color: var(--color-primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-phone {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text) !important;
  white-space: nowrap;
}

/* Theme Toggle */
.theme-toggle {
  position: relative;
  width: 48px;
  height: 26px;
  border-radius: 50px;
  border: 2px solid var(--color-border);
  background: var(--color-bg-alt);
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  padding: 0 3px;
}

.theme-toggle:hover {
  border-color: var(--color-primary);
}

.theme-icon {
  font-size: 14px;
  transition: all 0.3s ease;
  position: absolute;
}

.theme-icon.sun {
  left: 5px;
  opacity: 1;
}

.theme-icon.moon {
  right: 5px;
  opacity: 0.3;
}

[data-theme="dark"] .theme-icon.sun { opacity: 0.3; }
[data-theme="dark"] .theme-icon.moon { opacity: 1; }

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  padding: 140px 24px 80px;
  background: var(--hero-gradient);
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.hero h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--color-text);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-trust {
  display: flex;
  gap: 32px;
}

.trust-item {
  display: flex;
  flex-direction: column;
}

.trust-number {
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary);
}

.trust-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.hero-image img {
  border-radius: 16px;
  box-shadow: 0 20px 60px var(--color-shadow-md);
  width: 100%;
  height: auto;
}

/* ============================================
   SERVICES
   ============================================ */
.services {
  padding: 100px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  padding: 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px var(--color-shadow-md);
  border-color: var(--color-primary);
}

.service-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.service-card h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.service-card > p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}

.service-list {
  list-style: none;
  padding: 0;
}

.service-list li {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  padding: 5px 0;
  padding-left: 20px;
  position: relative;
}

.service-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

/* ============================================
   WHY US
   ============================================ */
.why-us {
  padding: 100px 0;
  background: var(--color-bg-alt);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.why-image img {
  border-radius: 14px;
  box-shadow: 0 12px 40px var(--color-shadow-md);
}

.why-text h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.why-text > p {
  color: var(--color-text-secondary);
  margin-bottom: 28px;
}

.why-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.why-feature {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.feature-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.why-feature h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.why-feature p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ============================================
   PROCESS
   ============================================ */
.process {
  padding: 100px 0;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.process-step {
  text-align: center;
  padding: 32px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  position: relative;
}

.step-num {
  font-family: 'Outfit', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  opacity: 0.3;
  margin-bottom: 12px;
}

.process-step h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials {
  padding: 100px 0;
  background: var(--color-bg-alt);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.testimonial-card {
  padding: 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 14px;
}

.stars {
  color: #f59e0b;
  font-size: 1.1rem;
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.testimonial-card > p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 18px;
}

.testimonial-author strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-text);
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
  padding: 100px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  margin-top: 50px;
}

.contact-item {
  display: flex;
  gap: 14px;
  margin-bottom: 28px;
}

.contact-icon {
  font-size: 1.3rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: 10px;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* Contact Form */
.contact-form-wrap {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.form-group textarea { resize: vertical; }

.form-success {
  text-align: center;
  padding: 24px;
  background: rgba(5, 150, 105, 0.1);
  border-radius: 10px;
  color: var(--color-accent);
  font-weight: 600;
  margin-top: 16px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-bg-alt);
  padding: 60px 0 30px;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-top: 12px;
  max-width: 300px;
  line-height: 1.6;
}

.footer-links h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  margin-bottom: 14px;
  color: var(--color-text);
}

.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}
.footer-links a:hover { color: var(--color-primary); }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ============================================
   CEO SECTION
   ============================================ */
.ceo-section {
  padding: 80px 0;
  background: var(--color-bg);
}

.ceo-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 60px;
  align-items: start;
}

.ceo-image-wrap {
  position: relative;
  text-align: center;
}

.ceo-photo {
  width: 100%;
  max-width: 360px;
  border-radius: 16px;
  box-shadow: 0 20px 60px var(--color-shadow-md);
  border: 4px solid var(--color-primary-light);
}

.ceo-badge {
  position: absolute;
  bottom: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  padding: 8px 24px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
}

.ceo-text h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 2rem;
  margin-bottom: 8px;
}

.ceo-name {
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.ceo-title {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-bottom: 20px;
}

.ceo-quote {
  border-left: 4px solid var(--color-primary);
  padding: 16px 20px;
  margin-bottom: 24px;
  background: var(--color-primary-light);
  border-radius: 0 10px 10px 0;
}

.ceo-quote p {
  font-size: 1.1rem;
  font-style: italic;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.6;
}

.ceo-text > p {
  color: var(--color-text-secondary);
  margin-bottom: 14px;
  line-height: 1.7;
  font-size: 0.95rem;
}

.ceo-credentials {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 24px;
}

.credential {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 500;
}

.credential-icon {
  font-size: 1.2rem;
}

@media (max-width: 1024px) {
  .ceo-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .ceo-image-wrap {
    max-width: 320px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .ceo-credentials {
    grid-template-columns: 1fr;
  }
  .ceo-image-wrap {
    max-width: 260px;
  }
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.page-header {
  padding: 140px 24px 60px;
  background: var(--hero-gradient);
  text-align: center;
}

.page-header h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.page-header-sub {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.about-mission {
  padding: 80px 0;
}

.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.mission-image img {
  border-radius: 14px;
  box-shadow: 0 12px 40px var(--color-shadow-md);
}

.mission-text h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 2rem;
  margin-bottom: 16px;
}

.mission-text p {
  color: var(--color-text-secondary);
  margin-bottom: 14px;
  line-height: 1.7;
}

.about-values {
  padding: 80px 0;
  background: var(--color-bg-alt);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.value-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 14px;
}

.value-icon { font-size: 2rem; margin-bottom: 14px; }
.value-card h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.value-card p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.about-team {
  padding: 80px 0;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.team-card {
  text-align: center;
  padding: 28px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  transition: all 0.3s ease;
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--color-shadow-md);
}

.team-photo {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 16px;
}

.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.team-role {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 10px;
}

.team-bio {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.about-cta {
  padding: 80px 0;
  background: var(--color-primary);
  text-align: center;
  color: #fff;
}

.about-cta h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  margin-bottom: 14px;
  color: #fff;
}

.about-cta p {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 28px;
}

.about-cta .btn-primary {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}
.about-cta .btn-primary:hover {
  background: rgba(255,255,255,0.9);
  transform: translateY(-2px);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .hero-image { display: none; }
  .hero h1 { font-size: 2.6rem; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; gap: 40px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }

  .mission-grid { grid-template-columns: 1fr; gap: 30px; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 280px; height: 100vh;
    background: var(--color-bg);
    flex-direction: column;
    padding: 80px 28px 28px;
    gap: 20px;
    box-shadow: -4px 0 20px var(--color-shadow-md);
    transition: right 0.3s ease;
    z-index: 999;
  }
  .nav-links.active { right: 0; }
  .nav-links a { font-size: 1rem; }
  .nav-phone { display: none; }

  .hero { padding: 120px 20px 60px; }
  .hero h1 { font-size: 2rem; }
  .hero-trust { gap: 20px; }

  .services-grid,
  .testimonials-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px 18px; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }

  .page-header h1 { font-size: 2rem; }
  .values-grid, .team-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.7rem; }
  .section-title { font-size: 1.6rem; }
  .container { padding: 0 16px; }
  .hero-trust { flex-direction: column; gap: 12px; }
}