/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  /* Colors — palette: sand · teal · charcoal · burgundy · plum */
  --color-bg:             #FFFFFF;
  --color-bg-alt:         #FAF7F2;       /* teplá písková */
  --color-accent:         #8B1F40;       /* bordo — primární */
  --color-accent-light:   #F4E6EC;       /* světlé bordo */
  --color-accent-hover:   #5C1F38;       /* švestka — hover */
  --color-teal:           #4E7A72;       /* šalvěj/teal — sekundární */
  --color-teal-light:     #E6F0EE;       /* světlý teal */
  --color-sand:           #D4A574;       /* písková */
  --color-sand-light:     #FAF0E4;       /* světlá písková */
  --color-charcoal:       #3A3D35;       /* tmavý charcoal */
  --color-text-primary:   #3A3D35;       /* charcoal místo studené navy */
  --color-text-secondary: #6B6D62;       /* střední charcoal */
  --color-text-muted:     #9A9C93;       /* tlumený */
  --color-border:         #E8E3DC;       /* teplý border */
  --color-white:          #FFFFFF;

  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body:    'Inter', sans-serif;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-hero: clamp(2.5rem, 6vw, 4.5rem);

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

  /* Layout */
  --max-width:      1200px;
  --nav-height:     4rem;
  --section-pad-v:  var(--space-20);
  --section-pad-h:  var(--space-12);

  /* Borders & Radius */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(58, 61, 53, 0.08);
  --shadow-md: 0 4px 16px rgba(58, 61, 53, 0.10);
  --shadow-lg: 0 8px 32px rgba(58, 61, 53, 0.14);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  min-width: 0;
}

html, body {
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

p, h1, h2, h3, h4, span, li, a {
  overflow-wrap: break-word;
  word-break: break-word;
}

.section-inner {
  max-width: min(var(--max-width), 100%);
}

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

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

/* ============================================================
   LOADER
   ============================================================ */
#loader {
  position: fixed;
  inset: 0;
  background: var(--color-white);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}

#content {
  opacity: 0;
  animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ============================================================
   NAVIGATION
   ============================================================ */
#navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: var(--space-4) var(--space-8);
  transition: background var(--transition-slow), box-shadow var(--transition-slow);
  background: transparent;
}

#navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
}

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


.nav-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--color-accent);
  letter-spacing: 0.05em;
  transition: opacity var(--transition-fast);
}

.nav-logo:hover {
  opacity: 0.8;
}

nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-8);
}

nav ul li a {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-text-primary);
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

nav ul li a:hover,
nav ul li a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.menu-icon {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-primary);
  line-height: 1;
}

.lang-btn {
  background: none;
  border: 1.5px solid var(--color-accent);
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
  flex-shrink: 0;
}

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

.nav-lang-mobile {
  display: none;
}

/* ============================================================
   SECTION LAYOUT
   ============================================================ */
.section {
  padding: var(--section-pad-v) var(--section-pad-h);
  background: var(--color-bg);
}

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

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 0.05em;
  text-align: center;
  margin-bottom: var(--space-2);
}

.section-title::after {
  content: '';
  display: block;
  width: 3rem;
  height: 4px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  margin: var(--space-3) auto 0;
}

.section-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  text-align: center;
  margin-top: var(--space-4);
  margin-bottom: var(--space-12);
}

.section-intro {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 760px;
  margin: var(--space-6) auto var(--space-12);
  line-height: 1.8;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-full {
  width: 100%;
  text-align: center;
}


/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.animate-fade-up,
.animate-fade-in,
.animate-slide-left,
.animate-slide-right {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-fade-up    { transform: translateY(40px); }
.animate-fade-in    { transform: none; }
.animate-slide-left { transform: translateX(-40px); }
.animate-slide-right{ transform: translateX(40px); }

.animate-fade-up.visible,
.animate-fade-in.visible,
.animate-slide-left.visible,
.animate-slide-right.visible {
  opacity: 1;
  transform: none;
}

.stagger-1 { transition-delay: 0ms; }
.stagger-2 { transition-delay: 100ms; }
.stagger-3 { transition-delay: 200ms; }
.stagger-4 { transition-delay: 300ms; }
.stagger-5 { transition-delay: 400ms; }
.stagger-6 { transition-delay: 500ms; }

/* ============================================================
   HERO SECTION — dark centered layout
   ============================================================ */
#section0 {
  min-height: 100vh;
  background: #3D1E2E;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--nav-height) var(--section-pad-h) var(--space-12);
}

.hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  width: 100%;
  max-width: var(--max-width);
}

/* ── Left: text content ── */
.hero-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  max-width: 540px;
}

.hero-badges {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--space-3);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(139, 31, 64, 0.25);
  border: 1px solid rgba(139, 31, 64, 0.5);
  border-radius: 999px;
  padding: 0.3rem var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.75);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-sand);
  flex-shrink: 0;
  position: relative;
}

.hero-badge-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--color-sand);
  opacity: 0;
  animation: pulse-ring 2.2s ease-out infinite;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-white);
  margin: 0;
}

.hero-title-accent {
  display: block;
  color: var(--color-sand);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.btn-hero-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-8);
  border-radius: 999px;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  text-decoration: none;
  background: transparent;
  border: 2px solid var(--color-sand);
  color: var(--color-sand);
  transition: all var(--transition-base);
}

.btn-hero-outline:hover {
  background: rgba(212, 165, 116, 0.12);
  border-color: #c8925a;
  color: #c8925a;
  transform: translateY(-2px);
}

.btn-hero-filled {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-8);
  border-radius: 999px;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  text-decoration: none;
  background: var(--color-sand);
  border: 2px solid var(--color-sand);
  color: var(--color-charcoal);
  transition: all var(--transition-base);
}

.btn-hero-filled:hover {
  background: #c8925a;
  border-color: #c8925a;
  transform: translateY(-2px);
}

/* ── Right: photo ── */
.hero-visual {
  flex-shrink: 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 380px;
  height: 480px;
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
}

.hero-blob--1 {
  width: 200px;
  height: 200px;
  background: rgba(90, 45, 65, 0.7);
  top: 0;
  left: -20px;
}

.hero-blob--2 {
  width: 240px;
  height: 240px;
  background: rgba(70, 20, 45, 0.75);
  bottom: 0;
  right: -20px;
}

/* Nav text override — white on dark hero (not when mobile menu is open) */
#navbar:not(.scrolled) .nav-logo,
#navbar:not(.scrolled) .menu-icon {
  color: rgba(255, 255, 255, 0.85);
}
#navbar:not(.scrolled) #nav-links:not(.show) a {
  color: rgba(255, 255, 255, 0.85);
}
#navbar:not(.scrolled) #nav-links:not(.show) a:hover,
#navbar:not(.scrolled) #nav-links:not(.show) a.active {
  color: var(--color-sand);
  border-bottom-color: var(--color-sand);
}
#navbar:not(.scrolled) .lang-btn {
  color: rgba(255, 255, 255, 0.85);
  border-color: rgba(255, 255, 255, 0.3);
}

/* ── Photo ── */
.hero-photo {
  position: relative;
  z-index: 1;
  width: 320px;
  aspect-ratio: 5 / 7;
  border-radius: 999px;
  overflow: hidden;
  background: var(--color-accent-light);
}

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

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 2fr minmax(320px, 1fr);
  gap: var(--space-12);
  align-items: center;
  margin-top: var(--space-12);
}

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

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

.about-tile {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  box-shadow: 0 2px 12px rgba(139, 31, 64, 0.07);
}

.about-tile:nth-child(1) { transform: none; }
.about-tile:nth-child(2) { transform: none; }
.about-tile:nth-child(3) { transform: none; }
.about-tile:nth-child(4) { transform: none; }
.about-tile:nth-child(5) { transform: none; }
.about-tile:nth-child(6) { transform: none; }

.about-tile-value {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.about-tile-icon {
  color: var(--color-accent);
  display: flex;
}

.about-tile-icon svg {
  width: 32px;
  height: 32px;
  stroke-width: 1.5;
}

.about-tile-label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.3;
}

.body-text {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
  text-align: justify;
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  max-width: var(--max-width);
  margin: 0 auto;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-teal-light);
}

.service-icon {
  margin-bottom: var(--space-4);
  display: flex;
  justify-content: center;
}

.service-icon svg {
  stroke: var(--color-teal);
  transition: stroke var(--transition-base);
}

.service-card:hover .service-icon svg {
  stroke: var(--color-accent);
}

.service-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.service-text {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  text-align: left;
}

/* ============================================================
   TIMELINE (Education & Experience)
   ============================================================ */
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding-left: var(--space-10);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-teal-light);
  border-radius: var(--radius-full);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-10);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: calc(-1 * var(--space-10) - 5px);
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: var(--color-teal);
  border: 2px solid var(--color-white);
  box-shadow: 0 0 0 3px var(--color-teal-light);
}

.timeline-date {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-teal);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}

.timeline-dot--main {
  width: 16px;
  height: 16px;
  top: 4px;
  left: calc(-1 * var(--space-10) - 7px);
  background: var(--color-teal);
  box-shadow: 0 0 0 4px var(--color-teal-light);
}

.timeline-dot--main::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-teal);
  opacity: 0;
  animation: pulse-ring 2.2s ease-out infinite;
}

@keyframes pulse-ring {
  0%   { inset: -4px;  opacity: 0.6; }
  100% { inset: -14px; opacity: 0; }
}

.timeline-clients {
  list-style: none;
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  border-left: 2px solid var(--color-border);
  padding-left: var(--space-4);
}

.timeline-clients li {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}

.timeline-client-name {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.timeline-client-role {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.timeline-role {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.timeline-field {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  font-style: italic;
  margin-bottom: var(--space-1);
}

.timeline-org {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================================
   PROJECTS SECTION
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-6);
  max-width: var(--max-width);
  margin: 0 auto;
}

.project-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.project-status {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.project-status--soon {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.project-status--live {
  background: var(--color-teal-light);
  color: var(--color-teal);
}

.project-status--beta {
  background: #FFF3CD;
  color: #9A7B2C;
}

.project-link {
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.project-link:hover {
  color: var(--color-accent);
}

.project-title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  word-break: break-all;
}

.project-desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-cards {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  max-width: 700px;
  margin: 0 auto;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-6);
  flex: 1 1 140px;
  max-width: 200px;
  min-width: 0;
  text-decoration: none;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.contact-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-teal-light);
}

.contact-card-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.contact-card-label {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.contact-card-value {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-align: center;
  word-break: break-all;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--color-charcoal);
  color: var(--color-text-muted);
  text-align: center;
  padding: var(--space-8) 0;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  border-top: none;
}

/* ============================================================
   RESPONSIVE — TABLET (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-inner {
    gap: var(--space-8);
  }

  .hero-title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  }

  .hero-visual {
    width: 300px;
    height: 380px;
  }

  .hero-photo {
    width: 260px;
  }

}

/* ============================================================
   RESPONSIVE — MOBILE NAV (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --section-pad-v: var(--space-12);
    --section-pad-h: var(--space-6);
  }

  .menu-icon {
    display: block;
    font-size: 1.6rem;
    line-height: 1;
    width: 2rem;
    text-align: center;
  }

  #navbar.menu-open .menu-icon {
    color: var(--color-text-primary);
    font-size: 2rem;
    position: relative;
    z-index: 1600;
  }

  #nav-links {
    display: none;
    flex-direction: column;
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    background: #ffffff;
    justify-content: center;
    align-items: center;
    gap: var(--space-8);
    z-index: 1500;
  }

  #nav-links.show {
    display: flex;
  }

  #nav-links li a {
    font-size: var(--text-xl);
    color: var(--color-text-primary);
  }

  .nav-lang-mobile {
    margin-top: var(--space-4);
  }

  .nav-lang-mobile .lang-btn {
    font-size: var(--text-base);
    padding: 6px 20px;
    color: var(--color-accent);
    border-color: var(--color-accent);
  }

  #navbar {
    padding: var(--space-4);
  }

  .nav-lang-mobile {
    display: block;
  }

  .body-text {
    text-align: left;
  }

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

  .about-tiles {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-3);
  }

  .about-tile {
    transform: none !important;
  }

  /* Timeline — more breathing room */
  .timeline {
    padding-left: var(--space-10);
    padding-right: var(--space-6);
  }

  .timeline-dot {
    left: calc(-1 * var(--space-10) - 5px);
  }

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

  /* Section titles */
  .section-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-1);
  }

  .section-title::after {
    margin-top: var(--space-2);
  }

  .section-subtitle {
    font-size: var(--text-base);
    margin-top: var(--space-3);
    margin-bottom: var(--space-8);
  }

  .section-intro {
    font-size: var(--text-base);
    margin-top: var(--space-3);
    margin-bottom: var(--space-8);
    line-height: 1.6;
  }

  .timeline-role {
    font-size: var(--text-lg);
  }

}

/* ============================================================
   RESPONSIVE — HERO + SERVICES STACK (≤ 680px)
   ============================================================ */
@media (max-width: 680px) {
  /* Hero */
  #section0 {
    padding: calc(var(--nav-height) + var(--space-4)) var(--space-4) var(--space-8);
    align-items: flex-start;
  }

  .hero-inner {
    flex-direction: column-reverse;
    align-items: center;
    gap: var(--space-8);
  }

  .hero-content {
    max-width: 100%;
    gap: var(--space-6);
  }

  .hero-title {
    font-size: clamp(1.6rem, 7vw, 2.4rem);
  }

  .hero-visual {
    width: 240px;
    height: 300px;
  }

  .hero-photo {
    width: 200px;
  }

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

/* ============================================================
   RESPONSIVE — CONTACT CARDS AS ROWS (≤ 520px)
   ============================================================ */
@media (max-width: 520px) {
  .contact-cards {
    flex-direction: column;
    align-items: stretch;
    max-width: 100%;
    gap: var(--space-3);
  }

  .contact-card {
    flex-direction: row;
    max-width: 100%;
    padding: 10px var(--space-6);
    gap: var(--space-4);
    text-align: left;
    align-items: center;
    justify-content: flex-start;
  }

  .contact-card-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
  }

  .contact-card-value {
    text-align: left;
  }
}

/* ============================================================
   RESPONSIVE — SMALL MOBILE (≤ 540px)
   ============================================================ */
@media (max-width: 540px) {
  .hero-title {
    font-size: clamp(1.4rem, 6vw, 1.9rem);
  }

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

  .section-title {
    font-size: var(--text-xl);
  }

  .section-subtitle,
  .section-intro {
    font-size: 0.9375rem;
    margin-bottom: var(--space-6);
  }

  .timeline-role {
    font-size: var(--text-base);
  }

  .body-text {
    font-size: 0.9375rem;
  }

}

/* ============================================================
   PALETTE ACCENTS — multi-color highlights
   ============================================================ */

/* Accent strip on the hero to frame the page opening */
#section0 {
  border-top: 4px solid var(--color-accent);
}

/* Teal accent on service icon wrapper on hover */
.service-card:hover .service-icon {
  color: var(--color-teal);
}

/* Footer text brightness — slightly lighter against charcoal bg */
footer #footer-year {
  color: rgba(255, 255, 255, 0.55);
}

/* Teal timeline mobile dot offset correction */
@media (max-width: 768px) {
  .timeline-dot {
    background: var(--color-teal);
    box-shadow: 0 0 0 3px var(--color-teal-light);
  }
}