/* ========================================
   Pelator Consulting — Stylesheet
   ======================================== */

/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-teal: #0F766E;
  --color-teal-dark: #0D6560;
  --color-teal-light: #F0FDFA;
  --color-text: #1a1a1a;
  --color-text-secondary: #6b7280;
  --color-border: #e5e7eb;
  --color-bg: #ffffff;
  --color-bg-subtle: #f9fafb;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container: 1120px;
  --radius: 12px;
  --radius-sm: 8px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* Container */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ========================================
   Navigation
   ======================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-text {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: all 0.3s;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0;
  padding: 0 24px 16px;
  background: rgba(255, 255, 255, 0.98);
}

.mobile-nav .nav-link {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
}

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

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-teal);
  color: white;
}

.btn-primary:hover {
  background: var(--color-teal-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15, 118, 110, 0.25);
}

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

.btn-secondary:hover {
  border-color: var(--color-text);
}

.btn-full {
  width: 100%;
}

/* ========================================
   Hero
   ======================================== */
.hero {
  padding: 160px 0 100px;
  background: var(--color-bg);
}

.hero-content {
  max-width: 680px;
}

.hero-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ========================================
   Section Utilities
   ======================================== */
.section-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

/* ========================================
   Services
   ======================================== */
.services {
  padding: 100px 0;
  background: var(--color-bg-subtle);
}

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

.service-card {
  background: white;
  padding: 40px 32px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: box-shadow 0.3s, transform 0.3s;
}

.service-card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-teal-light);
  color: var(--color-teal);
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
}

.service-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ========================================
   Why Section
   ======================================== */
.why {
  padding: 100px 0;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.why-desc {
  font-size: 17px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.why-points {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.why-point {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.why-number {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-teal);
  min-width: 28px;
  padding-top: 2px;
}

.why-point h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.why-point p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ========================================
   CTA
   ======================================== */
.cta {
  padding: 80px 0;
  background: var(--color-bg-subtle);
}

.cta-inner {
  text-align: center;
  max-width: 520px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.cta-inner p {
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  font-size: 16px;
}

/* ========================================
   Page Hero (Contact, etc.)
   ======================================== */
.page-hero {
  padding: 140px 0 60px;
  background: var(--color-bg);
}

.page-hero-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.page-hero-subtitle {
  font-size: 18px;
  color: var(--color-text-secondary);
  max-width: 520px;
  line-height: 1.7;
}

/* ========================================
   Contact Section
   ======================================== */
.contact-section {
  padding: 0 0 100px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 64px;
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
}

.optional {
  color: var(--color-text-secondary);
  font-weight: 400;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font);
  font-size: 15px;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: white;
  color: var(--color-text);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236b7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-status {
  font-size: 14px;
  padding: 4px 0;
}

.form-status.success {
  color: var(--color-teal);
}

.form-status.error {
  color: #dc2626;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 8px;
}

.contact-info-card {
  padding: 28px;
  background: var(--color-bg-subtle);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.contact-info-card h3 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.contact-info-card p {
  font-size: 16px;
  color: var(--color-text);
}

.contact-email {
  font-size: 16px;
  color: var(--color-teal);
  font-weight: 500;
  transition: opacity 0.2s;
}

.contact-email:hover {
  opacity: 0.8;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 14px;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

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

.footer-copy {
  font-size: 13px;
  color: var(--color-text-secondary);
  width: 100%;
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 120px 0 60px;
  }

  .hero-title br {
    display: none;
  }

  .services,
  .why,
  .contact-section {
    padding: 64px 0;
  }

  .page-hero {
    padding: 110px 0 40px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    text-align: center;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ========================================
   Animations
   ======================================== */
@media (prefers-reduced-motion: no-preference) {
  .hero-content,
  .service-card,
  .why-point,
  .contact-form-wrapper,
  .contact-info-card {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.6s ease forwards;
  }

  .service-card:nth-child(2) { animation-delay: 0.1s; }
  .service-card:nth-child(3) { animation-delay: 0.2s; }
  .why-point:nth-child(2) { animation-delay: 0.1s; }
  .why-point:nth-child(3) { animation-delay: 0.2s; }
  .contact-info-card:nth-child(2) { animation-delay: 0.1s; }
  .contact-info-card:nth-child(3) { animation-delay: 0.2s; }
}

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