/* ══════════════════════════════════════════════════════════
   Timiron Group — Main Stylesheet
   Design spec: docs/superpowers/specs/2026-03-24-timiron-website-design.md
   ══════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ───────────────────────────────── */
:root {
  --color-bg-primary: #060d1a;
  --color-bg-secondary: #080f1e;
  --color-bg-services: #0d1726;
  --color-bg-footer: #060b14;
  --color-gold: #c9a84c;
  --color-gold-hover: #d4b85c;
  --color-gold-active: #b8953f;
  --color-whatsapp: #25d366;
  --color-text: #ffffff;
  --color-text-secondary: rgba(255, 255, 255, 0.7);
  --color-text-muted: rgba(255, 255, 255, 0.5);
  --color-card-bg: rgba(255, 255, 255, 0.04);
  --color-card-border: rgba(255, 255, 255, 0.08);
  --color-card-border-hover: rgba(255, 255, 255, 0.15);
  --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-heading: 'DM Serif Display', Georgia, serif;
  --nav-height: 88px;
  --max-width: 1200px;
  --section-padding: 96px;
  --section-padding-mobile: 56px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul {
  list-style: none;
}

/* ── Typography: Headings ────────────────────────────────── */
h1, h2, h3 {
  font-family: var(--font-heading);
}


/* ── Noise Texture Overlay ──────────────────────────────── */
.section-services,
.section-expertise,
.section-contact {
  position: relative;
}

.section-services::after,
.section-expertise::after,
.section-contact::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* ── Skip to Content (Accessibility) ────────────────────── */
.skip-to-content {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 10001;
  padding: 12px 24px;
  background: var(--color-gold);
  color: var(--color-bg-primary);
  font-weight: 700;
  font-size: 14px;
  border-radius: 0 0 4px 4px;
  transition: top 0.2s;
}

.skip-to-content:focus {
  top: 0;
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

/* ── Navigation Bar ──────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
  background-color: transparent;
}

.site-header.is-scrolled {
  background-color: rgba(6, 13, 26, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-card-border);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo img {
  width: 44px;
  height: 44px;
}

.nav-logo-text {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  transition: color var(--transition);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}

.nav-link:hover {
  color: var(--color-gold);
}

.nav-link:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

.nav-link.is-active {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

.nav-whatsapp {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  color: #fff;
  transition: transform var(--transition);
}

.nav-whatsapp:hover {
  transform: scale(1.1);
}

.nav-whatsapp:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition);
}

/* ── Mobile Menu ─────────────────────────────────────────── */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(6, 13, 26, 0.98);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-close {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 32px;
  color: var(--color-text);
  background: none;
  border: none;
}

.mobile-menu-close:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

.mobile-menu-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.mobile-menu-link {
  font-size: 20px;
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition);
}

.mobile-menu-link:hover {
  color: var(--color-gold);
}

.mobile-menu-whatsapp {
  color: var(--color-whatsapp);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 4px;
  transition: background-color var(--transition), transform var(--transition), border-color var(--transition);
  text-align: center;
}

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

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

.btn-primary:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

.btn-primary:active {
  background: var(--color-gold-active);
  transform: translateY(0);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-ghost:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.btn-ghost:active {
  background: rgba(255, 255, 255, 0.15);
}

/* ── Section Shared ──────────────────────────────────────── */
.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--section-padding) 24px;
}

.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 8px;
}

.section-heading {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-bottom: 24px;
}

.section-body {
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text-secondary);
  max-width: 680px;
  margin-bottom: 32px;
}

/* ── Hero Section ────────────────────────────────────────── */
.section-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: #060d1a;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  position: relative;
  z-index: 1;
  max-width: 560px;
  margin-left: max(24px, calc((100% - var(--max-width)) / 2 + 24px));
}

.hero-tagline {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(201, 168, 76, 0.7);
  margin-bottom: 20px;
  line-height: 1.4;
}

.hero-headline {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 17px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-accent {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 50%;
  overflow: hidden;
}

.hero-accent::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(to left, transparent 15%, rgba(6, 13, 26, 0.4) 40%, rgba(6, 13, 26, 0.9) 65%, #060d1a 80%),
    linear-gradient(to bottom, rgba(6, 13, 26, 0.7) 0%, transparent 12%),
    linear-gradient(to top, rgba(6, 13, 26, 0.7) 0%, transparent 18%);
}

.hero-accent img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  opacity: 0.85;
}

/* ── Services Section ────────────────────────────────────── */
.section-services {
  background: var(--color-bg-services);
  text-align: center;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.service-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 8px;
  padding: 28px;
  text-align: left;
  transition: border-color var(--transition), transform var(--transition);
}

.service-card:hover {
  border-color: var(--color-card-border-hover);
  transform: translateY(-2px);
}

.service-icon {
  width: 44px;
  height: 44px;
  background: rgba(201, 168, 76, 0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  margin-bottom: 18px;
}

.service-title {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 14px;
}

.service-list li {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  padding: 4px 0;
  padding-left: 18px;
  position: relative;
}

.service-list li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: rgba(201, 168, 76, 0.7);
  font-weight: 600;
}

/* ── Expertise Section ───────────────────────────────────── */
.section-expertise {
  background: var(--color-bg-secondary);
  text-align: center;
}

.section-expertise .section-body {
  margin-left: auto;
  margin-right: auto;
  max-width: 720px;
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.badge-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 8px;
  padding: 24px 16px;
  text-align: center;
}

.badge-abbr {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 6px;
}

.badge-label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ── Contact Section ─────────────────────────────────────── */
.section-contact {
  background: var(--color-bg-services);
  text-align: center;
}

/* Contact info cards */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.contact-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 8px;
  padding: 18px 20px;
  text-align: left;
  transition: border-color var(--transition);
}

.contact-card:hover {
  border-color: var(--color-card-border-hover);
}

.contact-card-label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.contact-card-value {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
}

a.contact-card-value:hover {
  color: var(--color-gold);
}

a.contact-card-value:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

/* ── WhatsApp Floating Button ────────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: transform var(--transition), opacity var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

.whatsapp-float:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.whatsapp-float:active {
  transform: scale(0.95);
}

.whatsapp-float.is-hidden {
  opacity: 0;
  pointer-events: none;
}

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
  background: var(--color-bg-footer);
  border-top: 1px solid var(--color-card-border);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px;
}

.footer-row-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand img {
  width: 28px;
  height: 28px;
}

.footer-brand-text {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.footer-nav {
  display: flex;
  gap: 20px;
}

.footer-link {
  font-size: 13px;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer-link:hover {
  color: var(--color-text-secondary);
}

.footer-link:focus-visible {
  text-decoration: underline;
  outline: none;
}

.footer-divider {
  height: 1px;
  background: var(--color-card-border);
  margin-bottom: 16px;
}

.footer-row-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copyright {
  font-size: 12px;
  color: var(--color-text-muted);
}

.footer-legal-entity {
  font-size: 11px;
  color: var(--color-text-muted);
  opacity: 0.7;
  margin-top: 4px;
  letter-spacing: 0.02em;
}


/* ── Responsive: Tablet (768-1199px) ─────────────────────── */
@media (max-width: 1199px) {
  .hero-content {
    max-width: 560px;
  }

  .hero-headline {
    font-size: 42px;
  }

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

/* ── Responsive: Mobile (< 768px) ────────────────────────── */
@media (max-width: 767px) {
  :root {
    --section-padding: 56px;
  }

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

  .contact-cards {
    grid-template-columns: 1fr;
  }

  /* Nav */
  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  /* Hero */
  .section-hero {
    text-align: center;
  }

  .hero-content {
    margin-left: auto;
    margin-right: auto;
    max-width: 100%;
    padding: 0 20px;
  }

  .hero-headline {
    font-size: 32px;
  }

  .hero-tagline {
    font-size: 12px;
  }

  .hero-subtitle {
    font-size: 15px;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-ctas {
    justify-content: center;
  }

  .hero-accent {
    display: none;
  }

  /* Section headings */
  .section-heading {
    font-size: 26px;
  }

  .section-label {
    font-size: 11px;
  }

  .section-body {
    font-size: 15px;
  }

  /* Services */
  .service-title {
    font-size: 16px;
  }

  .service-list li {
    font-size: 13px;
  }

  /* Badges */
  .badges-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .badge-abbr {
    font-size: 24px;
  }

  /* WhatsApp float */
  .whatsapp-float {
    width: 48px;
    height: 48px;
    bottom: 16px;
    right: 16px;
  }

  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }

  /* Footer */
  .footer-row-top,
  .footer-row-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .footer-nav {
    gap: 16px;
  }
}

/* ── Print Styles ────────────────────────────────────────── */
@media print {
  .site-header,
  .whatsapp-float,
  .mobile-menu,
  .nav-hamburger {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .section-hero {
    min-height: auto;
    background: #fff;
  }
}