:root {
  --container: 1180px;
  --radius-sm: 16px;
  --radius-md: 24px;
  --radius-lg: 34px;
  --shadow-dark: 0 24px 80px rgba(0, 0, 0, 0.4);
  --shadow-light: 0 24px 70px rgba(15, 23, 42, 0.12);
  --transition: 220ms ease;
}


:root[data-theme="light"] {
  --bg: #f4efe6;
  --bg-soft: rgba(255, 251, 245, 0.9);
  --surface: rgba(255, 252, 247, 0.88);
  --surface-strong: rgba(255, 255, 255, 0.96);
  --surface-soft: rgba(15, 23, 42, 0.04);
  --text: #162033;
  --muted: #5f6b7d;
  --line: rgba(15, 23, 42, 0.1);
  --accent: #c2410c;
  --accent-2: #d97706;
  --accent-soft: rgba(194, 65, 12, 0.1);
  --accent-soft-2: rgba(217, 119, 6, 0.08);
  --success: #059669;
  --error: #dc2626;
  --footer-bg: rgba(255, 255, 255, 0.5);
  --hero-bg:
    radial-gradient(circle at top left, rgba(245, 158, 11, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(251, 191, 36, 0.14), transparent 22%),
    radial-gradient(circle at center right, rgba(14, 165, 233, 0.1), transparent 34%),
    linear-gradient(180deg, #fff9f1 0%, #f5efe6 100%);
  --shadow: var(--shadow-light);
}

:root[data-theme="dark"] {
  --bg: #08111f;
  --bg-soft: rgba(9, 19, 36, 0.84);
  --surface: rgba(10, 20, 38, 0.78);
  --surface-strong: rgba(13, 25, 47, 0.9);
  --surface-soft: rgba(255, 255, 255, 0.05);
  --text: #edf4ff;
  --muted: #9eb0c7;
  --line: rgba(148, 163, 184, 0.18);
  --accent: #ff7a18;
  --accent-2: #ffd166;
  --accent-soft: rgba(255, 122, 24, 0.16);
  --accent-soft-2: rgba(255, 209, 102, 0.14);
  --success: #34d399;
  --error: #f87171;
  --footer-bg: rgba(255, 255, 255, 0.03);
  --hero-bg:
    radial-gradient(circle at top left, rgba(255, 122, 24, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(255, 209, 102, 0.16), transparent 24%),
    radial-gradient(circle at center right, rgba(56, 189, 248, 0.14), transparent 34%),
    linear-gradient(180deg, #07111e 0%, #0d1829 100%);
  --shadow: var(--shadow-dark);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: #08111f;
}

:root[data-theme="light"] {
  color-scheme: light;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  background: #08111f;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  background: var(--hero-bg);
  color: var(--text);
  line-height: 1.65;
  transition: background var(--transition), color var(--transition);
}

body.is-nav-open {
  overflow: hidden;
}

h1,
h2,
h3,
.logo,
.section-label,
.eyebrow,
.skill-number,
.project-badge {
  font-family: "Space Grotesk", sans-serif;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

.site-shell {
  min-height: 100vh;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--bg-soft) 92%, transparent);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: relative;
}

.logo {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  background: linear-gradient(145deg, var(--accent), var(--accent-2));
  color: white;
  box-shadow: var(--shadow);
  flex-shrink: 0;
}

.topbar-inner > .logo {
  position: relative;
  z-index: 3;
}
.header-actions,
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
  margin-left: auto;
}

.nav {
  display: flex;
  align-items: center;
}

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

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100dvh;
  display: none;
  background: var(--bg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  z-index: 1400;
  transition: opacity var(--transition), visibility var(--transition);
}

.mobile-nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav-shell {
  width: min(calc(100% - 40px), 560px);
  min-height: 100dvh;
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) 0 max(24px, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.mobile-nav-links {
  display: grid;
  gap: 18px;
  padding-top: clamp(18px, 7vh, 48px);
}

.mobile-nav-links a,
.mobile-nav-secondary {
  transition: color var(--transition), transform var(--transition), border-color var(--transition),
    background var(--transition);
}

.mobile-nav-links a {
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2rem, 9vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.95;
}

.mobile-nav-links a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.mobile-nav-footer {
  display: grid;
  gap: 18px;
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.mobile-nav-group {
  display: grid;
  gap: 10px;
}

.mobile-nav-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.mobile-nav-secondary {
  display: inline-flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-soft);
  font-weight: 700;
}

.mobile-nav-secondary:hover {
  transform: translateY(-2px);
  background: color-mix(in srgb, var(--surface-soft) 72%, var(--accent-soft) 28%);
}.nav a,
.footer-links a,
.project-link,
.link-list a,
.footer-inner>a,
.back-link {
  transition: color var(--transition), transform var(--transition), border-color var(--transition),
    background var(--transition);
}

.nav a {
  color: var(--muted);
  font-weight: 700;
}

.nav a:hover,
.footer-links a:hover,
.project-link:hover,
.link-list a:hover,
.footer-inner>a:hover {
  color: var(--accent);
}

.nav-toggle,
.theme-toggle,
.mobile-nav-close,
.lang-btn,
.back-link {
  border: 1px solid var(--line);
}

.nav-toggle,
.theme-toggle,
.mobile-nav-close {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  padding: 0;
  background: var(--surface-soft);
  color: var(--text);
  cursor: pointer;
  position: relative;
}

.nav-toggle {
  display: none;
}

.nav-toggle:hover,
.theme-toggle:hover,
.mobile-nav-close:hover,
.back-link:hover {
  transform: translateY(-2px);
  background: color-mix(in srgb, var(--surface-soft) 72%, var(--accent-soft) 28%);
}

.nav-toggle span {
  position: absolute;
  left: 50%;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transform: translateX(-50%);
  transition: top var(--transition), opacity var(--transition), transform var(--transition);
}

.nav-toggle span:nth-child(1) {
  top: 18px;
}

.nav-toggle span:nth-child(2) {
  top: 25px;
}

.nav-toggle span:nth-child(3) {
  top: 32px;
}

.nav-toggle.is-active span:nth-child(1) {
  top: 25px;
  transform: translateX(-50%) rotate(45deg);
}

.nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active span:nth-child(3) {
  top: 25px;
  transform: translateX(-50%) rotate(-45deg);
}

.mobile-nav-close {
  display: grid;
  place-items: center;
}

.mobile-nav-close span {
  position: absolute;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.mobile-nav-close span:nth-child(1) {
  transform: rotate(45deg);
}

.mobile-nav-close span:nth-child(2) {
  transform: rotate(-45deg);
}
.theme-toggle {
  display: grid;
  place-items: center;
  overflow: hidden;
}

.theme-icon {
  position: absolute;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  transition: opacity var(--transition), transform var(--transition);
}

.theme-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

:root[data-theme="dark"] .theme-icon-sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

:root[data-theme="dark"] .theme-icon-moon {
  opacity: 0;
  transform: rotate(-90deg) scale(0.6);
}

:root[data-theme="light"] .theme-icon-sun {
  opacity: 0;
  transform: rotate(90deg) scale(0.6);
}

:root[data-theme="light"] .theme-icon-moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-soft);
  flex-shrink: 0;
}

.lang-btn {
  min-width: 48px;
  height: 40px;
  border-radius: 12px;
  padding: 0 12px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
}

.lang-btn:hover {
  color: var(--text);
}

.lang-btn.is-active {
  color: var(--text);
  background: var(--surface-strong);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.section {
  padding: 56px 0;
}

.section-label,
.eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-heading h2,
.cta-box h2,
.contact-info-card h1,
.hero-title {
  margin: 0;
  letter-spacing: -0.05em;
  line-height: 1;
}

.section-heading h2,
.cta-box h2 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin-bottom: 14px;
}

.section-text,
.hero-description,
.mini-card p,
.info-card p,
.skill-card p,
.project-card p,
.cta-box p,
.contact-lead,
.panel p,
.panel li,
.contact-info-item p,
.contact-info-item a,
.footer p,
.footer a {
  color: var(--muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform var(--transition), filter var(--transition), background var(--transition);
}

.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 18px 34px rgba(194, 65, 12, 0.22);
}

.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.btn-secondary {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  color: var(--text);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  background: color-mix(in srgb, var(--surface-soft) 72%, var(--accent-soft) 28%);
}

.footer {
  padding: 28px 0;
  border-top: 1px solid var(--line);
  background: var(--footer-bg);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}

.footer-links a,
.footer-inner>a {
  font-weight: 600;
}

.form-status {
  min-height: 24px;
  font-weight: 700;
}

.form-status.is-success {
  color: var(--success);
}

.form-status.is-error {
  color: var(--error);
}

@media (max-width: 900px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .topbar-inner {
    min-height: auto;
    padding: 14px 0;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    align-items: center;
  }

  .nav-toggle {
    display: inline-block;
  }

  .topbar-actions .nav-toggle {
    display: none;
  }

  .header-actions,
  .topbar-actions {
    grid-column: 3;
    justify-self: end;
    margin-left: 0;
  }

  .nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: block;
    padding: 10px;
    border-radius: var(--radius-md);
    background: var(--surface-strong);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  }

  .nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav .nav-links a {
    padding: 14px 16px;
    border-radius: 14px;
  }

  .nav .nav-links a:hover {
    background: var(--surface-soft);
  }
}
@media (max-width: 768px) {
  .topbar-inner {
    gap: 10px;
  }

  .header-actions,
  .topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .topbar .nav {
    display: none;
  }

  .header-actions .language-switcher,
  .header-actions .currency-switcher,
  .topbar-actions > .language-switcher,
  .topbar-actions > .currency-switcher,
  .topbar-actions > .back-link {
    display: none;
  }

  .topbar-actions .nav-toggle {
    display: inline-block;
  }

  .theme-toggle,
  .nav-toggle,
  .mobile-nav-close {
    width: 48px;
    height: 48px;
  }

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

  .mobile-nav-footer .language-switcher,
  .mobile-nav-footer .currency-switcher {
    display: flex;
    width: 100%;
    padding: 6px;
    border-radius: 18px;
    background: var(--surface-soft);
  }

  .mobile-nav-footer .lang-btn {
    flex: 1;
    min-width: 0;
    height: 46px;
  }

  .section {
    padding: 36px 0;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}