/* === Custom Properties === */
:root {
  --color-charcoal: #231F20;
  --color-deep-red: #C8202D;
  --color-bright-red: #E61D34;
  --color-silver: #BCBDBF;
  --color-white: #FFFFFF;

  --font-display: 'Oswald', sans-serif;
  --font-script: 'Pacifico', cursive;
  --font-body: 'Inter', sans-serif;

  --max-width: 1100px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  color: var(--color-charcoal);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--color-bright-red);
}

.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* === Header / Nav === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-silver);
  z-index: 1000;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav-logo img {
  width: 120px;
  height: 120px;
  opacity: 1;
  transition: opacity 0.3s;
}

.nav-logo.hidden img {
  opacity: 0;
}

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

.nav-links a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-charcoal);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-deep-red);
  border-bottom-color: var(--color-deep-red);
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-charcoal);
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

/* Hamburger open state */
.nav-toggle[aria-expanded="true"] .hamburger {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* === Hero === */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: calc(var(--header-height) + 2rem) 1.5rem 4rem;
  background: linear-gradient(135deg, var(--color-charcoal) 0%, #3a3435 100%);
  text-align: center;
}

.hero-content {
  max-width: 640px;
}

.hero-logo {
  margin: 0 auto 2rem;
  max-width: 700px;
  width: 100%;
  height: auto;
}

.hero h1, .hero h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.hero h2 {
  font-size: clamp(2rem, 5vw, 3rem);
}

.hero p {
  font-size: 1.15rem;
  color: var(--color-silver);
  margin-bottom: 2rem;
}

/* === Buttons === */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.85rem 2.25rem;
  border-radius: 4px;
  transition: background 0.2s, transform 0.15s;
  cursor: pointer;
}

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

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

/* === Sections === */
.section {
  padding: 5rem 0;
}

.section h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 1.5rem;
  position: relative;
}

.section h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-deep-red);
  margin-top: 0.75rem;
}

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

.about p {
  font-size: 1.1rem;
  max-width: 700px;
  line-height: 1.8;
}

/* === Services === */
.services {
  background: #f8f8f8;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 1rem;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-silver);
  border-radius: 6px;
  padding: 2rem;
  transition: box-shadow 0.2s, transform 0.2s;
}

.service-card:hover {
  box-shadow: 0 4px 20px rgba(35, 31, 32, 0.1);
  transform: translateY(-2px);
}

.service-icon {
  color: var(--color-deep-red);
  margin-bottom: 1rem;
}

.service-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.7;
}

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

.contact p {
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

.contact-info {
  margin-top: 1.5rem;
}

.contact-info p {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.contact-info a {
  font-weight: 500;
}

/* === Footer === */
.site-footer {
  background: var(--color-charcoal);
  color: var(--color-silver);
  text-align: center;
  padding: 2rem 0;
  font-size: 0.9rem;
}

/* === Mobile === */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-silver);
    padding: 1rem 0;
    gap: 0;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    text-align: center;
  }

  .nav-links a {
    display: block;
    padding: 0.75rem 1.5rem;
    border-bottom: none;
  }

  .hero-logo {
    max-width: 400px;
  }

  .section {
    padding: 3.5rem 0;
  }
}