/* ===== DESIGN TOKENS ===== */
:root {
  /* 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,    8rem);

  /* 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;

  /* Fonts */
  --font-display: 'Clash Display', 'Arial Black', sans-serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;

  /* Radius */
  --radius-sm: 0.375rem;
  --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);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);

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

/* ===== LIGHT MODE (DEFAULT) ===== */
:root, [data-theme="light"] {
  --color-bg:             #f5f0e3;
  --color-surface:        #faf7ef;
  --color-surface-2:      #fffcf5;
  --color-surface-offset: #ebe6d6;
  --color-divider:        #d4cfbe;
  --color-border:         #c9c4b4;
  --color-text:           #1a1a1a;
  --color-text-muted:     #5a5847;
  --color-text-faint:     #9a9887;
  --color-text-inverse:   #faf7ef;
  --color-primary:        #1c3d3d;
  --color-primary-hover:  #153030;
  --color-primary-active: #0e2222;
  --color-accent:         #c8922a;
  --color-accent-hover:   #b07e1f;
  --color-accent-active:  #936a18;
  --color-hero-bg:        #f0a500;
  --shadow-sm: 0 1px 3px rgba(28,61,61,0.08);
  --shadow-md: 0 4px 14px rgba(28,61,61,0.1);
  --shadow-lg: 0 12px 36px rgba(28,61,61,0.14);
}

/* ===== DARK MODE ===== */
[data-theme="dark"] {
  --color-bg:             #121210;
  --color-surface:        #1a1917;
  --color-surface-2:      #21201e;
  --color-surface-offset: #1e1d1b;
  --color-divider:        #2e2d2b;
  --color-border:         #3a3937;
  --color-text:           #e5e2d8;
  --color-text-muted:     #8a877b;
  --color-text-faint:     #5a5850;
  --color-text-inverse:   #1a1917;
  --color-primary:        #4a8a8a;
  --color-primary-hover:  #3a7272;
  --color-primary-active: #2a5a5a;
  --color-accent:         #e0aa3e;
  --color-accent-hover:   #d49930;
  --color-accent-active:  #c08822;
  --color-hero-bg:        #c08000;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 36px rgba(0,0,0,0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #121210;
    --color-surface:        #1a1917;
    --color-surface-2:      #21201e;
    --color-surface-offset: #1e1d1b;
    --color-divider:        #2e2d2b;
    --color-border:         #3a3937;
    --color-text:           #e5e2d8;
    --color-text-muted:     #8a877b;
    --color-text-faint:     #5a5850;
    --color-text-inverse:   #1a1917;
    --color-primary:        #4a8a8a;
    --color-primary-hover:  #3a7272;
    --color-primary-active: #2a5a5a;
    --color-accent:         #e0aa3e;
    --color-accent-hover:   #d49930;
    --color-accent-active:  #c08822;
    --color-hero-bg:        #c08000;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 14px rgba(0,0,0,0.4);
    --shadow-lg: 0 12px 36px rgba(0,0,0,0.5);
  }
}

/* ===== GLOBAL LAYOUT ===== */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

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

/* ===== NAVIGATION ===== */
.nav {
  position: sticky;
  top: 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: box-shadow 0.3s var(--ease-out);
}
.nav--scrolled { box-shadow: var(--shadow-sm); }

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.nav-logo img {
  height: 48px;
  width: auto;
}
.nav-logo-text {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.2;
  color: var(--color-primary);
}
.nav-logo-text span {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-accent);
  font-weight: 500;
  letter-spacing: 0.1em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: color var(--transition-interactive);
}
.nav-links a:hover { color: var(--color-primary); }
.nav-links a.active { color: var(--color-primary); font-weight: 600; }

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  z-index: 200;
}
.nav-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: 260px;
    height: 100dvh;
    flex-direction: column;
    padding: var(--space-24) var(--space-8) var(--space-8);
    background: var(--color-surface);
    border-left: 1px solid var(--color-divider);
    transform: translateX(100%);
    transition: transform 0.35s var(--ease-out);
    z-index: 150;
    gap: var(--space-6);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 140;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s var(--ease-out);
  }
  .nav-overlay.open { opacity: 1; pointer-events: auto; }
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-hero-bg) 0%, #d4800a 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
}
.hero-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}
.hero-tagline {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-4);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-4);
}
.hero-subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-8);
  font-style: italic;
}
.hero-img {
  flex: 0 0 50%;
  max-width: 50%;
  position: relative;
  z-index: 2;
}
.hero-img img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

@media (max-width: 900px) {
  .hero-layout {
    flex-direction: column-reverse;
    text-align: center;
  }
  .hero-img {
    flex: none;
    max-width: 90%;
  }
  .hero-content { max-width: 100%; }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-interactive),
              transform var(--transition-interactive),
              box-shadow var(--transition-interactive);
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); box-shadow: var(--shadow-sm); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-hover); }

.btn-accent {
  background: var(--color-accent);
  color: #fff;
}
.btn-accent:hover { background: var(--color-accent-hover); }

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}

/* ===== FEATURE CARDS ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: transform var(--transition-interactive),
              box-shadow var(--transition-interactive);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  font-size: 1.5rem;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--color-primary);
}
.feature-card p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ===== STATS SECTION ===== */
.stats {
  background: var(--color-primary);
  color: #fff;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  text-align: center;
}
.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-accent);
}
.stat-label {
  font-size: var(--text-sm);
  opacity: 0.85;
  margin-top: var(--space-2);
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== CTA BAND ===== */
.cta-band {
  background: var(--color-surface-offset);
  text-align: center;
}
.cta-band h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  color: var(--color-primary);
}
.cta-band p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 50ch;
  margin-inline: auto;
}

/* ===== ABOUT PAGE ===== */
.about-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}
.about-hero img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}
.about-hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}
.about-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  line-height: 1.8;
}
.about-text .highlight {
  color: var(--color-accent);
  font-weight: 600;
  font-style: italic;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}
.value-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
}
.value-card .emoji {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}
.value-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.value-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

@media (max-width: 768px) {
  .about-hero { grid-template-columns: 1fr; }
}

/* ===== PORTFOLIO PAGE ===== */
.portfolio-hero-img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--space-6);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
}
.portfolio-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform var(--transition-interactive),
              box-shadow var(--transition-interactive);
}
.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.portfolio-card-header {
  padding: var(--space-6) var(--space-6) var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.portfolio-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-lg);
  font-size: 1.4rem;
  flex-shrink: 0;
}
.portfolio-card-header h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-primary);
}
.portfolio-card-body {
  padding: 0 var(--space-6) var(--space-6);
}
.portfolio-card-body p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}
.portfolio-tag {
  display: inline-block;
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-right: var(--space-2);
  margin-bottom: var(--space-2);
}

/* ===== CONTACT PAGE ===== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}
.contact-image img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}
.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}
.contact-form h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.contact-form .form-subtitle {
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--space-6);
}
.form-group {
  margin-bottom: var(--space-5);
}
.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 textarea,
.form-group select {
  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);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.15);
}
.form-group textarea { min-height: 120px; resize: vertical; }

.contact-info {
  margin-top: var(--space-8);
}
.contact-info-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}
.contact-info-item svg {
  flex-shrink: 0;
  color: var(--color-primary);
}

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

/* ===== FOOTER ===== */
.footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.8);
  padding-block: var(--space-12);
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.footer-brand p {
  max-width: 40ch;
  line-height: 1.7;
  margin-top: var(--space-4);
}
.footer h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
  color: #fff;
}
.footer-links {
  list-style: none;
}
.footer-links li { margin-bottom: var(--space-2); }
.footer-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--transition-interactive);
}
.footer-links a:hover { color: var(--color-accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.footer-bottom a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-bottom a:hover { color: var(--color-accent); }

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-bottom { flex-direction: column; gap: var(--space-3); text-align: center; }
}

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0e2222 100%);
  color: #fff;
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  text-align: center;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}
.page-hero p {
  font-size: var(--text-lg);
  opacity: 0.85;
  max-width: 50ch;
  margin-inline: auto;
  font-style: italic;
}

/* ===== SCROLL REVEAL ANIMATION ===== */
.fade-in {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* ===== FUN QUOTE CALLOUT ===== */
.fun-quote {
  background: var(--color-surface-offset);
  border-left: 4px solid var(--color-accent);
  padding: var(--space-6) var(--space-8);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  margin-block: var(--space-8);
}
.fun-quote p {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-primary);
}
.fun-quote .attribution {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}