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

:root {
  --black: #0f0f0f;
  --white: #ffffff;
  --gray-100: #f5f5f5;
  --gray-300: #d4d4d4;
  --gray-500: #737373;
  --gray-700: #404040;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-display: 'Syne', sans-serif;
}

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

body {
  font-family: var(--font-sans);
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
}

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

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* =====================
   Header
   ===================== */
.site-header {
  border-bottom: 1px solid var(--gray-300);
  padding: 1.25rem 0;
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--black);
}

nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: color 0.15s;
}

nav a:hover {
  color: var(--black);
}

.nav-cta {
  background: var(--black);
  color: var(--white) !important;
  padding: 0.5rem 1.1rem;
  border-radius: 6px;
  font-size: 0.875rem !important;
  transition: background 0.15s !important;
}

.nav-cta:hover {
  background: var(--gray-700) !important;
}

/* =====================
   Hero
   ===================== */
.hero {
  padding: 6rem 0 5rem;
  border-bottom: 1px solid var(--gray-300);
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 700px;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.15rem;
  color: var(--gray-700);
  max-width: 540px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.btn {
  display: inline-block;
  background: var(--black);
  color: var(--white);
  padding: 0.8rem 1.75rem;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: background 0.15s;
}

.btn:hover {
  background: var(--gray-700);
}

.btn-outline {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--gray-300);
  margin-left: 1rem;
}

.btn-outline:hover {
  border-color: var(--black);
  background: transparent;
}

/* =====================
   Services Grid
   ===================== */
.services-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--gray-300);
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 1rem;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-sub {
  color: var(--gray-500);
  font-size: 1rem;
  max-width: 520px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5px;
  border: 1.5px solid var(--gray-300);
  border-radius: 8px;
  overflow: hidden;
}

.service-card {
  padding: 2rem;
  background: var(--white);
  border: none;
  border-right: 1.5px solid var(--gray-300);
  border-bottom: 1.5px solid var(--gray-300);
}

.service-card:nth-child(2n) {
  border-right: none;
}

.service-number {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-300);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.65;
}

/* =====================
   About / Intro strip
   ===================== */
.intro-strip {
  padding: 5rem 0;
  border-bottom: 1px solid var(--gray-300);
}

.intro-strip .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.intro-strip h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.intro-strip p {
  color: var(--gray-700);
  line-height: 1.75;
  margin-bottom: 1rem;
}

/* =====================
   Page Header
   ===================== */
.page-header {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--gray-300);
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.page-header p {
  color: var(--gray-500);
  font-size: 1.1rem;
  max-width: 540px;
  line-height: 1.7;
}

/* =====================
   Content Sections
   ===================== */
.content-section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--gray-300);
}

.content-section h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.content-section p {
  color: var(--gray-700);
  line-height: 1.75;
  max-width: 660px;
  margin-bottom: 1rem;
}

/* =====================
   Contact Form
   ===================== */
.contact-section {
  padding: 4rem 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--gray-500);
  line-height: 1.75;
  font-size: 0.95rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.7rem 0.9rem;
  border: 1.5px solid var(--gray-300);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--black);
  background: var(--white);
  transition: border-color 0.15s;
  outline: none;
}

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

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

/* =====================
   Footer
   ===================== */
.site-footer {
  border-top: 1px solid var(--gray-300);
  padding: 2rem 0;
  margin-top: 0;
}

.site-footer p {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* =====================
   Responsive
   ===================== */
@media (max-width: 768px) {
  nav {
    gap: 1.25rem;
  }

  .intro-strip .container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

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

  .service-card {
    border-right: none;
  }
}