/* ===== CSS RESET ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-base: #191C24;
  --color-copper: #C56542;
  --color-pine: #51856E;
  --color-stone: #F5F2ED;
  --color-white: #FFFFFF;
  --color-muted: #565A63;
  --color-border: #E0DCD5;
  --color-light-surface: #FDFBFA;
  --color-warm-gray: #8B857D;
  --color-accent-light: #F2C4A8;
  --color-pine-light: #A3D2B8;
  --shadow-sm: 0 1px 3px rgba(25,28,36,0.08);
  --shadow-md: 0 4px 16px rgba(25,28,36,0.10);
  --shadow-lg: 0 8px 32px rgba(25,28,36,0.12);
  --radius: 8px;
  --radius-lg: 14px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-base);
  background-color: var(--color-stone);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-copper);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: #A05030;
}

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

/* ===== NAVBAR ===== */
.navbar {
  background: var(--color-base);
  color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
}

.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-white);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-copper);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-white);
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: #B0B5C0;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-cta {
  background: var(--color-copper);
  color: var(--color-white);
  padding: 0.55rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s;
}

.nav-cta:hover {
  background: #A05030;
  color: var(--color-white);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 1.6rem;
  cursor: pointer;
  padding: 0.25rem;
}

/* ===== HERO ===== */
.hero {
  background: var(--color-base);
  color: var(--color-white);
  padding: 5rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -80px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(81,133,110,0.18);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(197,101,66,0.14);
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 720px;
  margin-bottom: 1.25rem;
}

.hero h1 span {
  color: var(--color-copper);
}

.hero-subtitle {
  font-size: 1.2rem;
  color: #B0B5C0;
  max-width: 580px;
  margin-bottom: 2rem;
  line-height: 1.65;
}

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

.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  border: none;
  text-align: center;
  transition: transform 0.15s, box-shadow 0.15s, background 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn-primary:hover {
  background: #A05030;
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid #4A4E5A;
}

.btn-outline:hover {
  border-color: var(--color-white);
  color: var(--color-white);
}

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

.btn-pine:hover {
  background: #3E6F5A;
  color: var(--color-white);
}

/* ===== STATS ===== */
.stats-bar {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.stats-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.stat-item h3 {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-copper);
  letter-spacing: -0.02em;
}

.stat-item p {
  font-size: 0.9rem;
  color: var(--color-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

/* ===== SECTIONS ===== */
.section {
  padding: 5rem 1.5rem;
}

.section-title-area {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-copper);
  margin-bottom: 0.5rem;
}

.section-title-area h2 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-base);
  margin-bottom: 0.75rem;
}

.section-title-area p {
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 600px;
  margin: 0 auto;
}

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

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  border: 1px solid var(--color-border);
  transition: transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.si-copper {
  background: #FDF0EA;
  color: var(--color-copper);
}

.si-pine {
  background: #EBF5F0;
  color: var(--color-pine);
}

.si-slate {
  background: #EBEEF2;
  color: #3D5A80;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--color-base);
}

.service-card p {
  font-size: 0.95rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ===== ABOUT / DIFFERENTIATORS ===== */
.diff-section {
  background: var(--color-base);
  color: var(--color-white);
}

.diff-section .section-title-area h2 {
  color: var(--color-white);
}

.diff-section .section-title-area p {
  color: #B0B5C0;
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.diff-card {
  background: #242833;
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid #363B48;
}

.diff-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-copper);
  margin-bottom: 0.6rem;
}

.diff-card p {
  font-size: 0.95rem;
  color: #B0B5C0;
  line-height: 1.65;
}

/* ===== PROCESS ===== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}

.step-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  border: 1px solid var(--color-border);
  position: relative;
}

.step-card::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-copper);
  color: var(--color-white);
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  color: var(--color-base);
}

.step-card p {
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* ===== TECH STACK ===== */
.tech-section {
  background: var(--color-light-surface);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.25rem;
}

.tech-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.8rem 1rem;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.tech-item:hover {
  transform: translateY(-2px);
  border-color: var(--color-copper);
}

.tech-label {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-base);
}

.tech-item .tech-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

/* ===== TESTIMONIALS ===== */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--color-border);
}

.testimonial-card p {
  font-size: 0.95rem;
  color: var(--color-base);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 1.25rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-pine-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-pine);
}

.testimonial-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-base);
}

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

/* ===== CONTACT ===== */
.contact-section {
  background: var(--color-light-surface);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-base);
  margin-bottom: 0.75rem;
}

.contact-info p {
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--color-base);
  font-size: 0.95rem;
}

.contact-detail-item .cd-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--color-copper);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-base);
  margin-bottom: 0.35rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--color-base);
  background: var(--color-stone);
  transition: border-color 0.2s;
}

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

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

.form-submit {
  background: var(--color-copper);
  color: var(--color-white);
  border: none;
  padding: 0.85rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  width: 100%;
  transition: background 0.2s;
}

.form-submit:hover {
  background: #A05030;
}

.form-result {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  display: none;
}

.form-result.success {
  display: block;
  background: #EBF5F0;
  color: var(--color-pine);
  border: 1px solid var(--color-pine-light);
}

.form-result.error {
  display: block;
  background: #FDEFED;
  color: #B84550;
  border: 1px solid #F2C4A8;
}

/* ===== CTA BANNER ===== */
.cta-banner {
  background: var(--color-copper);
  color: var(--color-white);
  padding: 4rem 1.5rem;
  text-align: center;
}

.cta-banner h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.cta-banner p {
  font-size: 1.05rem;
  color: #FAE3D6;
  max-width: 560px;
  margin: 0 auto 1.75rem;
}

.cta-banner .btn-outline {
  border-color: var(--color-white);
  color: var(--color-white);
}

.cta-banner .btn-outline:hover {
  background: var(--color-white);
  color: var(--color-copper);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-base);
  color: #B0B5C0;
  padding: 3rem 1.5rem 1.5rem;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand p {
  font-size: 0.9rem;
  margin-top: 0.75rem;
  max-width: 300px;
}

.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: #B0B5C0;
  font-size: 0.9rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid #363B48;
  padding-top: 1.25rem;
  font-size: 0.8rem;
  color: #6B7080;
  text-align: center;
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-copper);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s, transform 0.2s;
  z-index: 900;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-2px);
  background: #A05030;
}

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-base);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.25rem;
    display: none;
    box-shadow: var(--shadow-lg);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-toggle {
    display: block;
  }
  .hero h1 {
    font-size: 2.2rem;
  }
  .hero-subtitle {
    font-size: 1rem;
  }
  .stats-inner {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .diff-grid {
    grid-template-columns: 1fr;
  }
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
  .process-steps {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .section-title-area h2 {
    font-size: 1.8rem;
  }
}