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

:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-light: #555555;
  --color-accent: #2a2a2a;
  --color-border: #e5e5e5;
  --color-section-alt: #f8f8f8;
  --color-hero-bg: #0d0d0d;
  --color-hero-text: #ffffff;
  --max-width: 1400px;
  --font-main: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --transition: 0.3s ease;
}

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

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 6%;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 6%;
}

.logo img,
.logo svg {
  height: 45px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--color-text);
  position: relative;
  transition: color var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-text);
  transition: width var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition);
}

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

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

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

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--color-hero-bg);
  color: var(--color-hero-text);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    linear-gradient(135deg, rgba(13,13,13,0.95) 0%, rgba(30,30,30,0.85) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 120px 0;
}

.hero-label {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 30px;
  letter-spacing: -0.5px;
}

.hero h1 em {
  font-style: italic;
  font-weight: 400;
}

.hero-description {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  max-width: 600px;
  margin-bottom: 40px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 1px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
}

.btn-primary {
  background: #ffffff;
  color: var(--color-hero-bg);
}

.btn-primary:hover {
  background: #e0e0e0;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-text);
}

.btn-outline:hover {
  background: var(--color-text);
  color: #fff;
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--color-hero-bg);
  color: #fff;
}

.btn-dark:hover {
  background: #333;
  transform: translateY(-2px);
}

.btn-arrow {
  transition: transform var(--transition);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* ===== Section Basics ===== */
section {
  padding: 100px 0;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 300;
  line-height: 1.25;
  margin-bottom: 24px;
  letter-spacing: -0.3px;
}

.section-title strong {
  font-weight: 600;
}

.section-description {
  font-size: 1.05rem;
  color: var(--color-text-light);
  line-height: 1.8;
  max-width: 650px;
}

/* ===== About Section ===== */
.about {
  background: var(--color-bg);
}

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

.about-text p {
  font-size: 1.05rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-philosophy {
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

.about-philosophy h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 16px;
}

/* ===== Why Choose Section ===== */
.why-choose {
  background: var(--color-section-alt);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  margin-top: 60px;
}

.why-card {
  padding: 0;
}

.why-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-card-icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--color-text);
}

.why-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.why-card p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.75;
}

/* ===== Services Section ===== */
.services {
  background: var(--color-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 60px;
}

.service-card {
  background: var(--color-section-alt);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.08);
}

.service-card-image {
  height: 240px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.service-card-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(to top, rgba(0,0,0,0.3), transparent);
}

.service-card-body {
  padding: 30px;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-link {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap var(--transition);
}

.service-link:hover {
  gap: 12px;
}

/* ===== Stats Banner ===== */
.stats {
  background: var(--color-hero-bg);
  color: #fff;
  padding: 70px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-item h3 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  margin-bottom: 8px;
}

.stat-item p {
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

/* ===== Contact Section ===== */
.contact {
  background: var(--color-section-alt);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-top: 50px;
}

.contact-info-item {
  margin-bottom: 30px;
}

.contact-info-item h4 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.contact-info-item p,
.contact-info-item a {
  font-size: 1.05rem;
  color: var(--color-text);
  line-height: 1.7;
}

.contact-info-item a:hover {
  text-decoration: underline;
}

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

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

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 14px 16px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  border: 1.5px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-text);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ===== Footer ===== */
.footer {
  background: #000000;
  color: #fff;
  padding: 60px 0 30px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 50px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 20px;
}

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

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

.footer-col ul a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
}

.footer-col ul a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,1);
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  color: rgba(255,255,255,1);
  transition: color var(--transition);
}

.footer-social a:hover {
  color: #fff;
}

.footer-social svg {
  width: 20px;
  height: 20px;
}

/* Logo in footer - invert for dark bg */
.footer-brand .logo-img {
  height: 40px;
  width: auto;
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Mobile Nav ===== */
.mobile-nav {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255,255,255,1);
  backdrop-filter: blur(12px);
  z-index: 999;
  padding: 40px 6%;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav ul {
  list-style: none;
}

.mobile-nav ul li {
  margin-bottom: 8px;
}

.mobile-nav ul a {
  font-size: 1.6rem;
  font-weight: 300;
  color: var(--color-text);
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  transition: padding-left var(--transition);
}

.mobile-nav ul a:hover {
  padding-left: 10px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

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

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    display: none;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-content {
    padding: 100px 0 80px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  section {
    padding: 70px 0;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
}