:root {
  --clr-dark: #16181f;
  --clr-darker: #0e0f15;
  --clr-primary: #c0392b;
  --clr-primary-hover: #a93226;
  --clr-seafoam: #418e8e;
  --clr-seafoam-dark: #357475;
  --clr-accent: #d4955c;
  --clr-accent-light: #e8c4a0;
  --clr-light: #faf7f3;
  --clr-white: #ffffff;
  --clr-text: #1a1a1a;
  --clr-text-soft: #4d4d4d;
  --clr-border: #e0dbd2;
  --clr-surface: #f3efe7;
  --clr-surface-alt: #ebe5da;
  --clr-overlay: #0e0f15;
  --clr-input-bg: #f0ebe2;
  --clr-input-border: #d5cfc4;
  --clr-footer-bg: #111218;
  --clr-footer-text: #b0aca0;
  --clr-crimson-dark: #8b1a1a;
  --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-display: Georgia, 'Times New Roman', serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --radius: 8px;
  --radius-lg: 12px;
  --max-width: 1200px;
  --nav-height: 72px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  color: var(--clr-text);
  background-color: var(--clr-light);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 700;
  color: var(--clr-dark);
  line-height: 1.2;
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--clr-text-soft);
  max-width: 640px;
  line-height: 1.6;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.3px;
}

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

.btn-primary:hover {
  background-color: var(--clr-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
  background-color: var(--clr-white);
  color: var(--clr-dark);
}

.btn-accent {
  background-color: var(--clr-accent);
  color: var(--clr-dark);
}

.btn-accent:hover {
  background-color: var(--clr-accent-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background-color: var(--clr-darker);
  z-index: 1000;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.nav.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: 0.5px;
}

.nav-logo span {
  color: var(--clr-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: #c5c0b8;
  transition: color 0.2s ease;
  letter-spacing: 0.3px;
}

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

.nav-cta {
  padding: 9px 22px;
  background-color: var(--clr-primary);
  color: var(--clr-white);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.4px;
  transition: background-color 0.2s ease;
}

.nav-cta:hover {
  background-color: var(--clr-primary-hover);
  color: var(--clr-white);
}

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

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background-color: var(--clr-white);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    flex-direction: column;
    background-color: var(--clr-darker);
    padding: 24px;
    gap: 20px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .section-title {
    font-size: 32px;
  }
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--clr-dark);
  background-image:
    radial-gradient(ellipse at 20% 50%, #1f2230 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, #1a1a27 0%, transparent 60%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(135deg, #16181f 0%, #1c1e26 40%, #16181f 100%);
  z-index: 0;
}

.hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(30deg, rgba(192,57,43,0.03) 1px, transparent 1px),
    linear-gradient(150deg, rgba(192,57,43,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  padding-top: var(--nav-height);
  display: flex;
  align-items: center;
  min-height: 100vh;
}

.hero-content {
  max-width: 680px;
  animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background-color: #F7E7E5;
  border: 1px solid var(--clr-primary);
  border-radius: 20px;
  color: var(--clr-primary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 60px;
  font-weight: 700;
  color: var(--clr-white);
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.hero-title span {
  color: var(--clr-primary);
}

.hero-desc {
  font-size: 19px;
  color: #b0aca0;
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
}

.hero-visual {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
}

.hero-shape {
  width: 500px;
  height: 500px;
  border-radius: 50%;
  border: 2px solid rgba(192,57,43,0.08);
  position: absolute;
}

.hero-shape:nth-child(1) {
  top: -40px;
  right: 60px;
}

.hero-shape:nth-child(2) {
  top: 40px;
  right: -20px;
  width: 420px;
  height: 420px;
}

.hero-shape:nth-child(3) {
  top: 0;
  right: 100px;
  width: 340px;
  height: 340px;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 38px;
  }
  .hero-desc {
    font-size: 16px;
  }
  .hero-buttons {
    flex-direction: column;
  }
  .hero-visual {
    display: none;
  }
}

/* ===== SERVICES ===== */
.services {
  background-color: var(--clr-white);
}

.services .section-header {
  text-align: center;
  margin-bottom: 64px;
}

.services .section-subtitle {
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  background-color: var(--clr-light);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all 0.3s ease;
  position: relative;
}

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

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  background-color: var(--clr-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--clr-primary);
  margin-bottom: 20px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--clr-dark);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 15px;
  color: var(--clr-text-soft);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== ABOUT ===== */
.about {
  background-color: var(--clr-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image {
  position: relative;
  background-color: var(--clr-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image-inner {
  text-align: center;
  padding: 40px;
  color: var(--clr-white);
}

.about-image-inner .stat-number {
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 700;
  color: var(--clr-primary);
}

.about-image-inner .stat-label {
  font-size: 14px;
  color: #b0aca0;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.about-text h3 {
  font-size: 24px;
  font-weight: 600;
  color: var(--clr-dark);
  margin-bottom: 16px;
  margin-top: 28px;
}

.about-text h3:first-child {
  margin-top: 0;
}

.about-text p {
  color: var(--clr-text-soft);
  line-height: 1.7;
  margin-bottom: 12px;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-image {
    min-height: 280px;
  }
}

/* ===== STATS ===== */
.stats {
  background-color: var(--clr-dark);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(192,57,43,0.015) 10px,
    rgba(192,57,43,0.015) 11px
  );
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  padding: 24px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: #b0aca0;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 500;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== APPROACH ===== */
.approach {
  background-color: var(--clr-white);
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
}

.approach-item {
  display: flex;
  gap: 20px;
  padding: 28px;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.approach-item:hover {
  border-color: var(--clr-primary);
  box-shadow: var(--shadow-sm);
}

.approach-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--clr-primary);
  min-width: 48px;
  line-height: 1;
}

.approach-item h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--clr-dark);
  margin-bottom: 8px;
}

.approach-item p {
  font-size: 14px;
  color: var(--clr-text-soft);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .approach-grid {
    grid-template-columns: 1fr;
  }
}

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

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

.contact-info h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--clr-dark);
  margin-bottom: 8px;
}

.contact-info p {
  color: var(--clr-text-soft);
  margin-bottom: 24px;
  font-size: 15px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 15px;
  color: var(--clr-dark);
  font-weight: 500;
}

.contact-detail .icon-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--clr-primary);
  flex-shrink: 0;
}

.contact-form {
  background-color: var(--clr-white);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--clr-dark);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--clr-input-border);
  border-radius: var(--radius);
  background-color: var(--clr-input-bg);
  font-family: var(--font-main);
  font-size: 15px;
  color: var(--clr-text);
  transition: border-color 0.2s ease;
}

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

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

.form-submit {
  width: 100%;
}

.form-success {
  display: none;
  text-align: center;
  padding: 24px;
  color: #3d7a52;
  font-weight: 600;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--clr-footer-bg);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
  display: inline-block;
}

.footer-brand p {
  color: var(--clr-footer-text);
  font-size: 14px;
  line-height: 1.6;
}

.footer-links h4 {
  color: var(--clr-white);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-links ul li {
  margin-bottom: 10px;
}

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

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  color: var(--clr-footer-text);
  font-size: 13px;
}

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

.footer-bottom-links a {
  color: var(--clr-footer-text);
  font-size: 13px;
  transition: color 0.2s ease;
}

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

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

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

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