/* ============================================================
   MARTE HRIS SOLUTIONS — Design Tokens & Styles
   Art Direction: Authoritative, corporate, warm navy + gold
   ============================================================ */

/* --- Fonts --- */
/* DM Serif Display for headings (authoritative serif) + DM Sans for body (clean) */

:root {
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;

  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-hero: clamp(2.5rem,   1rem    + 4vw,    4.5rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}

/* --- Light Mode (default) --- */
:root, [data-theme="light"] {
  --color-bg:          #F8F7F4;
  --color-surface:     #FFFFFF;
  --color-surface-2:   #F2F1ED;
  --color-border:      #D8D5CE;
  --color-divider:     #E5E2DC;

  --color-text:        #1B2A4A;
  --color-text-muted:  #5A6B8A;
  --color-text-faint:  #9AA3B5;

  --color-primary:       #1B2A4A;
  --color-primary-hover: #2C3E66;
  --color-accent:        #C4973B;
  --color-accent-hover:  #A87E2F;
  --color-accent-light:  #F5EDDD;

  --shadow-sm: 0 1px 3px rgba(27,42,74,0.06);
  --shadow-md: 0 4px 12px rgba(27,42,74,0.08);
  --shadow-lg: 0 12px 32px rgba(27,42,74,0.12);
}

/* --- Dark Mode --- */
[data-theme="dark"] {
  --color-bg:          #0F1624;
  --color-surface:     #1A2238;
  --color-surface-2:   #222B42;
  --color-border:      #2E3A54;
  --color-divider:     #253045;

  --color-text:        #E8E6E1;
  --color-text-muted:  #9AA3B5;
  --color-text-faint:  #5D6880;

  --color-primary:       #E8E6E1;
  --color-primary-hover: #FFFFFF;
  --color-accent:        #D4AA4F;
  --color-accent-hover:  #E0BC66;
  --color-accent-light:  #1F2840;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
}

/* ============================================================
   GLOBAL ELEMENTS
   ============================================================ */

a {
  color: var(--color-accent);
  text-decoration: none;
}
a:hover {
  color: var(--color-accent-hover);
}

/* ============================================================
   HEADER / NAV
   ============================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.logo svg {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

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

.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-desktop a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: var(--space-2) 0;
  position: relative;
}

.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.nav-desktop a:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  cursor: pointer;
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: background 0.2s;
}

.hamburger span::before,
.hamburger span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hamburger span::before { top: -7px; }
.hamburger span::after { bottom: -7px; }

.hamburger.active span { background: transparent; }
.hamburger.active span::before { transform: translateY(7px) rotate(45deg); }
.hamburger.active span::after { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav overlay */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 99;
  padding-top: 80px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
}

.nav-mobile.active {
  display: flex;
}

.nav-mobile a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  text-decoration: none;
}

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

@media (max-width: 768px) {
  .nav-desktop { display: none; }
  .hamburger { display: flex; }
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-primary);
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(135deg, rgba(27,42,74,0.85) 0%, rgba(27,42,74,0.5) 100%);
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-16) var(--space-6);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(196,151,59,0.15);
  border: 1px solid rgba(196,151,59,0.3);
  color: #D4AA4F;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  width: fit-content;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  color: #FFFFFF;
  letter-spacing: -0.02em;
  max-width: 16ch;
}

.hero h1 em {
  color: var(--color-accent);
  font-style: normal;
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.75);
  max-width: 52ch;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-4);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-interactive);
}

.btn-primary {
  background: var(--color-accent);
  color: #1B2A4A;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: #1B2A4A;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(196,151,59,0.3);
}

.btn-outline {
  background: transparent;
  color: #FFFFFF;
  border: 1px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
  color: #FFFFFF;
}

/* ============================================================
   CREDENTIALS BAR
   ============================================================ */

.credentials-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-6) var(--space-6);
}

.credentials-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-8);
}

.credential-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

.credential-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ============================================================
   SECTIONS (generic)
   ============================================================ */

.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-6);
}

.section-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
}

.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}

.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-bottom: var(--space-10);
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

.about-text p:first-of-type {
  font-size: var(--text-lg);
  color: var(--color-text);
  line-height: 1.6;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.stat-item {
  padding: var(--space-6);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.about-certs {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--color-divider);
}

.about-certs h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.cert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.cert-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.cert-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.memberships {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}

.memberships h4 {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.membership-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.membership-list span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.membership-list span::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .about-stats {
    grid-template-columns: 1fr 1fr;
  }
  .cert-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */

.services-section {
  background: var(--color-surface-2);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.service-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--color-divider);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

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

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
}

.service-icon svg {
  width: 32px;
  height: 32px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.service-card p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

.service-details {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.service-details li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.service-details li svg {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* Featured service (spans full width) */
.service-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

.service-card--featured .service-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
}

.service-card--featured .service-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
  .service-card--featured {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   CTA BANNER
   ============================================================ */

.cta-banner {
  background: var(--color-primary);
  color: #FFFFFF;
  text-align: center;
  padding: clamp(var(--space-12), 8vw, var(--space-20)) var(--space-6);
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .cta-banner {
  background: var(--color-surface);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 140%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(196,151,59,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-default);
  margin-inline: auto;
}

.cta-banner h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: #FFFFFF;
  margin-bottom: var(--space-4);
}

[data-theme="dark"] .cta-banner h2 {
  color: var(--color-text);
}

.cta-banner p {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.7);
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

[data-theme="dark"] .cta-banner p {
  color: var(--color-text-muted);
}

.cta-banner .btn-primary {
  font-size: var(--text-base);
  padding: var(--space-4) var(--space-8);
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-12);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-item-icon svg {
  width: 20px;
  height: 20px;
}

.contact-item h3 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.contact-item p,
.contact-item a {
  font-size: var(--text-base);
  color: var(--color-text-muted);
}

.contact-item a:hover {
  color: var(--color-accent);
}

.contact-form-wrap {
  background: var(--color-surface);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-divider);
}

.contact-form-wrap h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.contact-form-wrap > p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-interactive);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(196,151,59,0.1);
}

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

.form-submit {
  width: 100%;
  margin-top: var(--space-4);
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.7);
  padding: var(--space-12) var(--space-6) var(--space-8);
}

[data-theme="dark"] .site-footer {
  background: #0A0F1A;
}

.footer-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo-text {
  color: #FFFFFF;
  margin-bottom: var(--space-4);
  display: block;
}

.footer-brand p {
  font-size: var(--text-sm);
  max-width: 36ch;
  line-height: 1.7;
}

.footer-links h4 {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-4);
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.7);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  font-size: var(--text-xs);
}

.social-links {
  display: flex;
  gap: var(--space-4);
}

.social-links a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
  transition: all var(--transition-interactive);
}

.social-links a:hover {
  background: var(--color-accent);
  color: #1B2A4A;
}

.social-links svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 768px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}