/* ============================================
   ALAMEX — Design System & Stylesheet
   Clean, minimal, professional agency site
   ============================================ */

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

:root {
  /* Colour palette */
  --navy: #0f1b2d;
  --navy-light: #1a2d47;
  --slate: #334155;
  --slate-light: #64748b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: #dbeafe;
  --white: #ffffff;
  --off-white: #f8fafc;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-light: #475569;
  --text-lighter: #94a3b8;
  --success: #059669;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --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;

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;

  /* Transitions */
  --transition: 200ms ease;
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.25;
  color: var(--navy);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.125rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p { margin-bottom: var(--space-md); color: var(--text-light); }
p:last-child { margin-bottom: 0; }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container--narrow { max-width: var(--max-width-narrow); }

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

.section--alt { background: var(--off-white); }
.section--navy { background: var(--navy); color: var(--white); }
.section--navy h2, .section--navy h3 { color: var(--white); }
.section--navy p { color: #cbd5e1; }

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.header--scrolled { box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Logo / Wordmark */
.logo {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  text-decoration: none;
}

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

/* Desktop nav */
.nav { display: flex; align-items: center; gap: var(--space-lg); }

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--slate);
  text-decoration: none;
  padding: var(--space-xs) 0;
  position: relative;
  transition: color var(--transition);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav__link:hover, .nav__link--active { color: var(--navy); }
.nav__link:hover::after, .nav__link--active::after { width: 100%; }

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
  transition: transform var(--transition), opacity var(--transition);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

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

.btn--primary:hover {
  background: var(--accent-hover);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

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

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

.btn--white {
  background: var(--white);
  color: var(--navy);
}

.btn--white:hover {
  background: var(--off-white);
  color: var(--navy);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn--sm { padding: 0.5rem 1.25rem; font-size: 0.85rem; }
.btn--lg { padding: 1rem 2.25rem; font-size: 1rem; }

/* --- Hero --- */
.hero {
  padding: calc(72px + var(--space-4xl)) 0 var(--space-4xl);
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero__content { position: relative; z-index: 1; max-width: 680px; }

.hero h1 { color: var(--white); margin-bottom: var(--space-lg); }

.hero__subtitle {
  font-size: 1.2rem;
  line-height: 1.7;
  color: #cbd5e1;
  margin-bottom: var(--space-2xl);
}

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

/* --- Page Header (inner pages) --- */
.page-header {
  padding: calc(72px + var(--space-3xl)) 0 var(--space-3xl);
  background: var(--navy);
  color: var(--white);
}

.page-header h1 { color: var(--white); margin-bottom: var(--space-md); }
.page-header p { color: #cbd5e1; font-size: 1.15rem; max-width: 600px; }

/* --- Cards --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--space-2xl);
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.card__icon {
  width: 48px;
  height: 48px;
  background: var(--accent-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--accent);
  font-size: 1.5rem;
}

.card h3 { margin-bottom: var(--space-sm); }

/* --- Stats / Metrics Row --- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-xl);
  text-align: center;
}

.stat__number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.section--navy .stat__number { color: var(--white); }

.stat__label {
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 500;
}

.section--navy .stat__label { color: #94a3b8; }

/* --- Process Steps --- */
.process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-xl);
  counter-reset: step;
}

.process__step { counter-increment: step; position: relative; padding-left: 0; }

.process__step::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.process__step h4 { margin-bottom: var(--space-sm); }

/* --- Feature List (service pages) --- */
.feature-list { list-style: none; padding: 0; }

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--border);
}

.feature-list li:last-child { border-bottom: none; }

.feature-list__check {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: var(--accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
  margin-top: 2px;
}

/* --- Testimonial / Quote --- */
.testimonial {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.testimonial blockquote {
  font-size: 1.25rem;
  font-style: italic;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.testimonial cite {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 500;
}

/* --- CTA Banner --- */
.cta-banner {
  text-align: center;
  padding: var(--space-4xl) 0;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
}

.cta-banner h2 { color: var(--white); margin-bottom: var(--space-md); }
.cta-banner p { color: #cbd5e1; max-width: 550px; margin: 0 auto var(--space-2xl); }

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.form-group { margin-bottom: var(--space-lg); }

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  background: var(--white);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.contact-info__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--accent-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.contact-info__item h4 { margin-bottom: var(--space-xs); }
.contact-info__item p { margin: 0; font-size: 0.95rem; }

/* --- Footer --- */
.footer {
  background: var(--navy);
  color: #94a3b8;
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand p { margin-top: var(--space-md); font-size: 0.9rem; line-height: 1.7; }

.footer h4 {
  color: var(--white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-lg);
}

.footer__links { list-style: none; }

.footer__links li { margin-bottom: var(--space-sm); }

.footer__links a {
  color: #94a3b8;
  font-size: 0.9rem;
  text-decoration: none;
  transition: color var(--transition);
}

.footer__links a:hover { color: var(--white); }

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.footer__bottom a { color: #94a3b8; }
.footer__bottom a:hover { color: var(--white); }

/* --- Utility --- */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mb-3xl { margin-bottom: var(--space-3xl); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.section-header { max-width: 600px; margin-bottom: var(--space-2xl); }
.section-header.text-center { margin-left: auto; margin-right: auto; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Two-Column Content --- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.two-col--reverse .two-col__content { order: 2; }
.two-col--reverse .two-col__visual { order: 1; }

.two-col__visual {
  background: var(--off-white);
  border-radius: 12px;
  padding: var(--space-2xl);
  border: 1px solid var(--border);
}

/* --- Service Detail Blocks --- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.service-detail + .service-detail {
  margin-top: var(--space-3xl);
  padding-top: var(--space-3xl);
  border-top: 1px solid var(--border);
}

/* --- Legal Pages --- */
.legal-content { max-width: var(--max-width-narrow); margin: 0 auto; }
.legal-content h2 { font-size: 1.5rem; margin: var(--space-2xl) 0 var(--space-md); }
.legal-content h3 { font-size: 1.15rem; margin: var(--space-xl) 0 var(--space-sm); }
.legal-content ul { margin: var(--space-md) 0; padding-left: var(--space-xl); }
.legal-content li { margin-bottom: var(--space-sm); color: var(--text-light); }

/* --- Responsive --- */
@media (max-width: 768px) {
  :root { --space-4xl: 3.5rem; }

  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--space-xl);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  }

  .nav--open { display: flex; }

  .nav-toggle { display: block; }

  .nav-toggle--active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle--active span:nth-child(2) { opacity: 0; }
  .nav-toggle--active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .hero__content { max-width: 100%; }

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

  .two-col,
  .service-detail,
  .contact-grid { grid-template-columns: 1fr; }

  .two-col--reverse .two-col__content { order: 1; }
  .two-col--reverse .two-col__visual { order: 2; }

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

  .footer__bottom { flex-direction: column; gap: var(--space-md); text-align: center; }

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

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

@media (max-width: 480px) {
  .container { padding: 0 var(--space-md); }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .stats { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
}