/* ============================================================
   FRANCISCO HIGUERA — SITE STYLES
   Design: Clean & Corporate | Navy + Gold accent | Instrument Serif + Inter
   ============================================================ */

/* --- DESIGN TOKENS --- */
:root,
[data-theme='light'] {
  /* Surfaces */
  --color-bg: #F8F9FA;
  --color-surface: #FFFFFF;
  --color-surface-2: #F1F3F5;
  --color-border: #DEE2E6;
  --color-divider: #E9ECEF;

  /* Text */
  --color-text: #0D1B2A;
  --color-text-muted: #495057;
  --color-text-faint: #ADB5BD;
  --color-text-inverse: #F8F9FA;

  /* Primary — deep navy */
  --color-primary: #1B3A5C;
  --color-primary-hover: #122740;
  --color-primary-active: #0A1A2B;

  /* Accent — warm gold */
  --color-accent: #C9A84C;
  --color-accent-hover: #B8922F;
  --color-accent-light: #FDF6E3;
  /* Accent (text) — darker for AA contrast on light bg */
  --color-accent-text: #8A6E1F;
  --color-accent-text-strong: #6F5718;

  /* Hero dark bg */
  --color-hero-bg: #0D1B2A;
  --color-hero-surface: #162032;

  /* Semantic */
  --color-success: #2D6A4F;
  --color-success-light: #D8F3DC;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(13, 27, 42, 0.08);
  --shadow-md: 0 4px 16px rgba(13, 27, 42, 0.10);
  --shadow-lg: 0 12px 40px rgba(13, 27, 42, 0.14);

  /* Transitions */
  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* 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;

  /* 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-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    7rem);

  /* Fonts */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* Layout */
  --content-default: 1100px;
  --content-narrow: 680px;
}

[data-theme='dark'] {
  --color-bg: #0D1B2A;
  --color-surface: #162032;
  --color-surface-2: #1C2A3D;
  --color-border: #2A3A50;
  --color-divider: #1F2E42;
  --color-text: #F0F4F8;
  --color-text-muted: #B3C2D4;
  --color-text-faint: #7A8EA5;
  --color-text-inverse: #0D1B2A;
  --color-primary: #4A7FA5;
  --color-primary-hover: #5D92B8;
  --color-accent: #E6C275;
  --color-accent-hover: #F0CE85;
  --color-accent-light: #2A2410;
  --color-accent-text: #E6C275;
  --color-accent-text-strong: #F0CE85;
  --color-hero-bg: #060E17;
  --color-hero-surface: #0D1B2A;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.25);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.35);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.45);
}

/* Site defaults to LIGHT mode on first load. Dark mode activates only via toggle. */

/* --- BASE RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { overflow-x: hidden; }
body { overflow-x: hidden; width: 100%; position: relative; }

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.65;
  transition: background-color 0.3s, color 0.3s;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.15; font-family: var(--font-display); }
p, li, figcaption { text-wrap: pretty; }

::selection { background: rgba(201, 168, 76, 0.25); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: var(--radius-sm); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --- UTILITY --- */
.container {
  width: 100%;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-16));
}

.section { padding-block: clamp(var(--space-16), 8vw, var(--space-32)); }
.section-alt { background: var(--color-surface); }

.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-text);
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  line-height: 1.2;
}

.section-title.centered { text-align: center; }

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-base);
  max-width: 56ch;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.625rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-accent);
  color: #0D1B2A;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-inverse);
  border-color: rgba(255,255,255,0.35);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}

.btn-full { width: 100%; justify-content: center; }

/* --- HEADER --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 90%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition), background var(--transition);
}

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.logo-text { letter-spacing: -0.01em; }

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-1);
  margin: 0;
}

.nav-links a {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.nav-links a:hover { color: var(--color-text); background: var(--color-surface-2); }

.nav-cta {
  background: var(--color-accent) !important;
  color: #0D1B2A !important;
  font-weight: 600 !important;
  padding: var(--space-2) var(--space-4) !important;
}
.nav-cta:hover { background: var(--color-accent-hover) !important; }

.header-actions { display: flex; align-items: center; gap: var(--space-2); }

/* Language Toggle */
.lang-toggle {
  background: var(--color-accent);
  border: none;
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
  line-height: 1;
}

.lang-toggle:hover {
  background: var(--color-accent-hover);
  color: var(--color-primary);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: transparent;
  cursor: pointer;
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-2); }

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 38px; height: 38px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.mobile-menu-btn span {
  display: block;
  width: 18px; height: 2px;
  background: var(--color-text-muted);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.mobile-menu-btn[aria-expanded='true'] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-btn[aria-expanded='true'] span:nth-child(2) { opacity: 0; }
.mobile-menu-btn[aria-expanded='true'] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: var(--space-4) var(--space-5);
}
.mobile-nav ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-1); }
.mobile-nav a {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.mobile-nav a:hover { color: var(--color-text); background: var(--color-surface-2); }

/* --- HERO --- */
.hero {
  position: relative;
  background: var(--color-hero-bg);
  color: var(--color-text-inverse);
  overflow: hidden;
  min-height: clamp(600px, 85vh, 900px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

[data-theme='dark'] .hero { color: #E8EDF2; }

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 70% 50%, rgba(201,168,76,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 80% at 20% 80%, rgba(74,127,165,0.12) 0%, transparent 55%);
  pointer-events: none;
}

/* Subtle grid pattern */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: clamp(var(--space-10), 5vw, var(--space-16));
  align-items: start;
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.15;
  color: #FFFFFF;
  margin-bottom: var(--space-6);
}

.hero-title em {
  font-style: italic;
  color: var(--color-accent);
}

.hero-body {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.72);
  max-width: 58ch;
  margin-bottom: var(--space-4);
  line-height: 1.7;
}

.hero-body:last-of-type {
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.hero-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.02em;
}

/* Photo */
.hero-photo-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  padding-top: var(--space-6);
}

.hero-photo-frame {
  position: relative;
  z-index: 2;
  width: clamp(220px, 30vw, 360px);
  aspect-ratio: 1;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 3px solid rgba(201, 168, 76, 0.4);
  box-shadow: var(--shadow-lg);
  background: var(--color-hero-surface);
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.photo-fallback::after {
  content: 'FH';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 6rem;
  color: var(--color-accent);
  background: var(--color-hero-surface);
}

.hero-photo-accent {
  display: none;
}

/* Hero highlight cards (below photo) */
.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-5);
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-highlight-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(201,168,76,0.25);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-3);
  text-align: center;
  backdrop-filter: blur(4px);
}

.hh-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.hh-number span {
  font-size: 0.7em;
}

.hh-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.6);
  line-height: 1.4;
}

.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.3);
  animation: bounce 2s ease-in-out infinite;
  z-index: 2;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* --- ABOUT --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  font-size: var(--text-base);
  line-height: 1.75;
  max-width: 68ch;
}

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

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.stat-card:hover { box-shadow: var(--shadow-md); border-color: var(--color-accent); }

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

[data-theme='dark'] .stat-number { color: var(--color-accent); }

.stat-number span { font-size: 0.6em; color: var(--color-accent); }

.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* --- SERVICES --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.service-card {
  position: relative;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

.section-alt .service-card { background: var(--color-bg); }

.service-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
  transform: translateY(-3px);
}

.service-card.featured {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent), var(--shadow-md);
}

.service-badge {
  display: inline-block;
  background: var(--color-accent);
  color: #0D1B2A;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.service-icon {
  width: 52px; height: 52px;
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
  border: 1px solid rgba(201,168,76,0.2);
}

[data-theme='dark'] .service-icon { color: var(--color-accent); }

.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.service-card > p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

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

.service-bullets li {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding-left: var(--space-4);
  position: relative;
}

.service-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 6px; height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.services-cta {
  text-align: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.services-cta p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  font-size: var(--text-base);
}

/* --- CREDENTIALS --- */
.credentials-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: clamp(var(--space-10), 6vw, var(--space-16));
  align-items: start;
}

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

.cert-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.cert-card:hover { box-shadow: var(--shadow-md); }

.cert-card.active { border-left: 3px solid var(--color-accent); }
.cert-card.pursuing { border-left: 3px solid var(--color-primary); }
[data-theme='dark'] .cert-card.pursuing { border-left-color: var(--color-primary-hover); }

.cert-status {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.cert-card.active .cert-status { color: var(--color-accent-text-strong); }
.cert-card.pursuing .cert-status { color: var(--color-text-muted); }

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

.cert-abbr {
  flex-shrink: 0;
  width: 48px; height: 48px;
  background: var(--color-primary);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
}

[data-theme='dark'] .cert-abbr { background: var(--color-surface-2); color: var(--color-accent); }

.cert-info h3 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
  line-height: 1.3;
}

.cert-issuer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.4;
}

.expertise-list { padding-top: var(--space-4); }

.expertise-list h3 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-5);
}

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

.expertise-list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.expertise-list li svg { color: var(--color-accent); flex-shrink: 0; }

/* --- CONTACT --- */
.contact-grid {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}

.contact-left .section-title { margin-bottom: var(--space-5); }

.contact-left > p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 42ch;
}

.contact-details { display: flex; flex-direction: column; gap: var(--space-4); }

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

.contact-item svg { color: var(--color-accent-text); flex-shrink: 0; }
[data-theme='dark'] .contact-item svg { color: var(--color-accent); }

/* LinkedIn button under contact */
.contact-social {
  margin-top: var(--space-6);
  display: flex;
}

.btn-linkedin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: #0A66C2;
  color: #FFFFFF;
  border: 1px solid #0A66C2;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-linkedin:hover {
  background: #004182;
  border-color: #004182;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-linkedin:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.btn-linkedin svg { flex-shrink: 0; }

[data-theme='dark'] .btn-linkedin {
  background: #2E8BE6;
  border-color: #5BA8F0;
  color: #FFFFFF;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08) inset, 0 4px 14px rgba(46, 139, 230, 0.35);
}

[data-theme='dark'] .btn-linkedin:hover {
  background: #4DA0EE;
  border-color: #7FBEFF;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.12) inset, 0 6px 20px rgba(77, 160, 238, 0.45);
}

/* On mobile, button becomes full-width and shows AFTER the form for prominence */
@media (max-width: 1024px) {
  .contact-grid {
    display: flex;
    flex-direction: column;
  }
  .contact-left { order: 1; }
  .contact-right { order: 2; }
  .contact-social {
    order: 3;
    margin-top: var(--space-8);
    width: 100%;
  }
  .btn-linkedin {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    font-size: var(--text-base);
  }
}

/* Form */
.contact-form {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.section-alt .contact-form { background: var(--color-surface-2); }

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

.form-group { display: flex; flex-direction: column; gap: var(--space-2); }

.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.form-group label span { color: var(--color-accent); }

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  resize: vertical;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.15);
}

.form-group input.error,
.form-group textarea.error { border-color: #C0392B; }

.form-success {
  display: none;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-success-light);
  border-radius: var(--radius-md);
  color: var(--color-success);
  font-size: var(--text-sm);
  font-weight: 500;
}

[data-theme='dark'] .form-success {
  background: rgba(45,106,79,0.2);
  color: #6FCF97;
}

/* --- FOOTER --- */
.site-footer {
  background: var(--color-hero-bg);
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-block: clamp(var(--space-10), 5vw, var(--space-16));
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-8);
}

.footer-brand .logo { color: rgba(255,255,255,0.9); margin-bottom: var(--space-3); }
.footer-brand p { font-size: var(--text-xs); color: rgba(255,255,255,0.4); line-height: 1.6; }

.footer-nav {
  display: flex;
  gap: var(--space-5);
  justify-content: center;
}

.footer-nav a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--color-accent); }

.footer-copy {
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-end;
}

.footer-copy p { font-size: var(--text-xs); color: rgba(255,255,255,0.35); }
.footer-link { font-size: var(--text-xs); color: rgba(255,255,255,0.35); text-decoration: none; transition: color var(--transition); }
.footer-link:hover { color: var(--color-accent); }

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr 360px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(4, 1fr); }
  .credentials-layout { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-left > p { max-width: 100%; }
}

/* Mobile-only helpers: hide duplicated controls on desktop */
.lang-toggle--mobile,
.theme-toggle--mobile,
.mobile-nav-actions { display: none; }

.theme-toggle--labeled {
  width: auto;
  height: auto;
  padding: var(--space-3) var(--space-4);
  gap: var(--space-2);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.theme-toggle-label { display: inline; }

.mobile-nav-actions {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-3);
  padding-top: var(--space-4);
  gap: var(--space-3);
  flex-wrap: wrap;
}
.mobile-nav-actions .lang-toggle,
.mobile-nav-actions .theme-toggle {
  flex: 1 1 auto;
  min-height: 44px;
  justify-content: center;
}
.mobile-nav-actions .lang-toggle {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: flex; }
  /* Hide desktop header controls on mobile to free room for the hamburger */
  .header-actions > .lang-toggle:not(.lang-toggle--mobile),
  .header-actions > .theme-toggle:not(.theme-toggle--mobile) { display: none; }
  /* Show mobile nav actions when menu is open */
  .mobile-nav-actions { display: flex; }
  .mobile-nav-actions .lang-toggle--mobile,
  .mobile-nav-actions .theme-toggle--mobile { display: inline-flex; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-photo-wrap { order: -1; justify-content: center; }
  .hero-highlights { grid-template-columns: repeat(3, 1fr); margin-top: var(--space-3); }
  .hh-number { font-size: var(--text-base); }
  .hh-label { font-size: 10px; }
  .hero-body { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-tags { justify-content: center; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-brand .logo { justify-content: center; }
  .footer-nav { flex-wrap: wrap; }
  .footer-copy { align-items: center; }
}

@media (max-width: 480px) {
  .cert-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .hero-photo-frame { width: clamp(200px, 75vw, 280px); }
  .hero-highlights { display: none; }
  .hero-tags { overflow: hidden; }
  .training-grid { overflow: hidden; }
  .cert-card { min-width: 0; }
  .service-card { min-width: 0; }
}

/* Active nav link */
.nav-links a.active {
  color: var(--color-text);
  background: var(--color-surface-2);
  font-weight: 600;
}

/* --- BTN OUTLINE (hero secondary — always visible on dark bg) --- */
.btn-outline {
  background: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.55);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.85);
  color: #FFFFFF;
}

/* --- ABOUT IN-TEXT LINK --- */
.about-link {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(27, 58, 92, 0.35);
  transition: color var(--transition), text-decoration-color var(--transition);
}
.about-link:hover {
  color: var(--color-accent);
  text-decoration-color: var(--color-accent);
}
[data-theme='dark'] .about-link { color: var(--color-accent); text-decoration-color: rgba(201,168,76,0.4); }
[data-theme='dark'] .about-link:hover { color: var(--color-accent-hover); }

/* --- CERT VERIFY LINK --- */
.cert-verify-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-accent-text-strong);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color var(--transition), gap var(--transition);
}
.cert-verify-link:hover {
  color: var(--color-primary);
  gap: 6px;
  text-decoration: underline;
}
[data-theme='dark'] .cert-verify-link { color: var(--color-accent); }
[data-theme='dark'] .cert-verify-link:hover { color: var(--color-accent-hover); text-decoration: underline; }

/* --- ABOUT TEXT STRONG --- */
.about-text strong {
  color: var(--color-text);
  font-weight: 600;
}

/* --- TRAINING SECTION --- */
.training-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

.training-group {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition);
}

.training-group:hover { box-shadow: var(--shadow-md); }

.training-group-wide {
  grid-column: 1 / -1;
}

.training-group-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.training-group-header h3 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
}

.training-group-icon {
  width: 40px; height: 40px;
  background: var(--color-accent-light);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.training-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.training-list li {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}

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

.training-code {
  flex-shrink: 0;
  min-width: 72px;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-accent-text-strong);
  background: var(--color-accent-light);
  border: 1px solid rgba(138, 110, 31, 0.25);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  text-align: center;
}

[data-theme='dark'] .training-code {
  color: var(--color-accent);
  border-color: rgba(230, 194, 117, 0.25);
}

.training-name {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.4;
}

.training-provider {
  color: var(--color-text-faint);
  font-size: var(--text-xs);
}

/* Training tags (awareness programs) */
.training-tags-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.training-tag {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.training-tag:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
  color: var(--color-text);
}

@media (max-width: 768px) {
  .training-grid { grid-template-columns: 1fr; }
  .training-group-wide { grid-column: auto; }
  .training-code { min-width: 60px; }
}

/* --- FORM ERROR STATE --- */
.form-error {
  display: none;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: rgba(161, 44, 123, 0.08);
  border-radius: var(--radius-md);
  color: #A12C7B;
  font-size: var(--text-sm);
  font-weight: 500;
}

[data-theme='dark'] .form-error {
  background: rgba(209, 99, 167, 0.12);
  color: #D163A7;
}

/* Spinner animation for submit btn */
@keyframes spin {
  to { transform: rotate(360deg); }
}