/* ===== Variables ===== */
:root {
  --color-bg: #0a0e17;
  --color-bg-elevated: #111827;
  --color-bg-card: #151d2e;
  --color-surface: #1a2332;
  --color-border: rgba(255, 255, 255, 0.06);
  --color-text: #e5e7eb;
  --color-text-muted: #9ca3af;
  --color-accent: #c9a227;
  --color-accent-hover: #d4af37;
  --color-accent-muted: rgba(201, 162, 39, 0.15);
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --container: min(1200px, 92vw);
  --header-h: 72px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

ul, ol {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea {
  font: inherit;
}

/* ===== Layout ===== */
.container {
  width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), border-color var(--transition);
}

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

.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.logo:hover {
  color: var(--color-accent);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-list a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.nav-list a:hover {
  color: var(--color-text);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(10, 14, 23, 0.75) 0%, rgba(10, 14, 23, 0.5) 45%, rgba(10, 14, 23, 0.88) 100%),
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(201, 162, 39, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(201, 162, 39, 0.06), transparent),
    radial-gradient(ellipse 60% 40% at 0% 80%, rgba(201, 162, 39, 0.05), transparent);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent);
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-label {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 520px;
  margin-bottom: 2.5rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), transform 0.2s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

.btn-full {
  width: 100%;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  border-radius: 2px;
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.5; transform: scaleY(0.8); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ===== Sections ===== */
.section {
  padding: clamp(4rem, 10vw, 6rem) 0;
}

.section-label {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 2.5rem;
  color: var(--color-text);
}

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

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color var(--transition), transform 0.2s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  border-color: rgba(201, 162, 39, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.4);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-muted);
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  color: var(--color-accent);
}

.service-icon svg {
  width: 24px;
  height: 24px;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

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

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content .section-title {
  margin-bottom: 1.25rem;
}

.about-lead {
  font-size: 1.125rem;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.about-content > p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about-stats li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.about-stats strong {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
}

.about-stats span {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.about-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2px;
  max-width: 380px;
}

.about-card-inner {
  background: var(--color-bg-card);
  border-radius: calc(var(--radius-lg) - 2px);
  padding: 2.5rem;
}

.about-card-number {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 3rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.4;
  margin-bottom: 1rem;
  display: block;
}

.about-card-inner p {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ===== Why Us ===== */
.why-us {
  background: var(--color-bg-elevated);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.why-item {
  padding: 1.5rem 0;
  border-top: 1px solid var(--color-border);
  transition: border-color var(--transition);
}

.why-item:hover {
  border-color: rgba(201, 162, 39, 0.25);
}

.why-number {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
  display: block;
}

.why-item h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.why-item p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

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

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-content .section-title {
  margin-bottom: 1rem;
}

.contact-content > p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item .contact-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 0.25rem;
}

.contact-item a {
  color: var(--color-text);
  font-weight: 500;
}

.contact-item a:hover {
  color: var(--color-accent);
}

.contact-item address {
  font-style: normal;
  color: var(--color-text);
  line-height: 1.6;
}

.contact-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-row label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.form-row input,
.form-row textarea {
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  transition: border-color var(--transition);
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

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

/* ===== Footer ===== */
.footer {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-brand .logo {
  display: inline-block;
  margin-bottom: 0.25rem;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-nav {
  display: flex;
  gap: 2rem;
}

.footer-nav a {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

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

.footer-copy {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

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

  .about-visual {
    order: -1;
  }

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(280px, 85vw);
    height: 100vh;
    background: var(--color-bg-elevated);
    border-left: 1px solid var(--color-border);
    padding: calc(var(--header-h) + 2rem) 2rem 2rem;
    z-index: 101;
    transform: translateX(100%);
    transition: transform var(--transition);
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .nav-list a {
    font-size: 1.125rem;
  }

  .menu-toggle {
    display: flex;
    z-index: 102;
  }

  .nav-overlay.is-visible {
    display: block;
    opacity: 1;
    pointer-events: auto;
  }

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

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-nav {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

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