/* ============================================
   Afran Technologies — Landing Page Styles
   ============================================ */

:root {
  /* Palette: growth (green), hope (gold), strength (deep) */
  --color-bg: #0c0f0d;
  --color-bg-elevated: #141916;
  --color-surface: #1a1f1c;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-text: #e8ebe9;
  --color-text-muted: #8b9590;
  --color-accent: #c9a227;
  --color-accent-dim: #a6851f;
  --color-green: #2d4a3e;
  --color-green-bright: #3d6b54;
  --color-gold: #d4af37;
  --color-white: #f5f6f5;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --radius: 0.5rem;
  --radius-lg: 0.75rem;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

/* --------------------------------------------
   Layout
   -------------------------------------------- */

.container {
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* --------------------------------------------
   Header
   -------------------------------------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-lg) 0;
  background: rgba(12, 15, 13, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), border-color var(--transition);
}

.header-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-white);
}

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

.nav {
  display: none;
  align-items: center;
  gap: var(--space-xl);
}

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

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

.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
}

/* Mobile nav open state */
@media (max-width: 767px) {
  .nav {
    position: fixed;
    top: 57px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-lg);
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
    gap: 0;
  }

  .nav a {
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
  }

  .nav a:last-of-type {
    border-bottom: none;
  }

  .nav:not(.is-open) {
    display: none;
  }

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

@media (min-width: 768px) {
  .nav {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }
}

/* --------------------------------------------
   Buttons
   -------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
}

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

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

.btn-outline {
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: var(--color-text-muted);
  color: var(--color-white);
}

.btn-ghost {
  color: var(--color-text-muted);
}

.btn-ghost:hover {
  color: var(--color-text);
}

.btn-full {
  width: 100%;
}

/* --------------------------------------------
   Hero
   -------------------------------------------- */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(80px + var(--space-3xl)) var(--space-lg) var(--space-3xl);
  overflow: hidden;
}

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

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(45, 74, 62, 0.4), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(201, 162, 39, 0.08), 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: 0.12em;
  color: var(--color-accent);
  margin: 0 0 var(--space-md);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--color-white);
  margin: 0 0 var(--space-lg);
}

.hero-title-line {
  display: block;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 32rem;
  margin: 0 0 var(--space-xl);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

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

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

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* --------------------------------------------
   Sections
   -------------------------------------------- */

.section {
  padding: var(--space-4xl) 0;
}

.section-label {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin: 0 0 var(--space-sm);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  color: var(--color-white);
  margin: 0 0 var(--space-2xl);
}

/* --------------------------------------------
   Services
   -------------------------------------------- */

.services {
  background: var(--color-bg-elevated);
}

.services-grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition);
}

.service-card:hover {
  border-color: rgba(201, 162, 39, 0.25);
  transform: translateY(-2px);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
  margin: 0 0 var(--space-sm);
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.65;
}

/* --------------------------------------------
   About
   -------------------------------------------- */

.about-inner {
  display: grid;
  gap: var(--space-2xl);
  align-items: center;
}

@media (min-width: 768px) {
  .about-inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
  }
}

.about-lead {
  font-size: 1.25rem;
  color: var(--color-text);
  margin: 0 0 var(--space-md);
  line-height: 1.5;
}

.about-body {
  color: var(--color-text-muted);
  margin: 0;
  max-width: 36rem;
}

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

.about-card {
  padding: var(--space-2xl);
  background: linear-gradient(135deg, var(--color-green) 0%, var(--color-surface) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  min-width: 240px;
}

.about-stat {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.about-card p {
  font-size: 1rem;
  color: var(--color-text);
  margin: 0;
}

/* --------------------------------------------
   Locations
   -------------------------------------------- */

.locations {
  background: var(--color-bg-elevated);
}

.locations-grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .locations-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .locations-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.location-card {
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  position: relative;
  padding-left: calc(var(--space-xl) + 1rem);
}

.location-dot {
  position: absolute;
  left: var(--space-xl);
  top: var(--space-xl);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.location-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-white);
  margin: 0 0 var(--space-sm);
}

.location-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.6;
}

/* --------------------------------------------
   Contact
   -------------------------------------------- */

.contact-inner {
  max-width: 32rem;
}

.contact-desc {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

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

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}

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

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

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

/* --------------------------------------------
   Footer
   -------------------------------------------- */

.site-footer {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin: 0;
  opacity: 0.8;
}