:root {
  --bg-primary: hsla(0, 0%, 95%, 0.9);
  --bg-secondary: hsl(0, 0%, 100%);
  --color-primary: #006849;
  --color-primary-10: hsla(161, 100%, 26%, 0.085);

  --text-primary: #006849;
  --text-secondary: hsl(0, 0%, 21%);
  --text-muted: hsl(220, 5%, 39%);
  --text-clasic: hsl(0, 0%, 0%);
  --text-clasic2: hsl(0, 0%, 100%);
  --text-btn: #0f4a37;

  --border-color: hsl(161, 100%, 26%);
  --border-color2: hsla(161, 100%, 26%, 0.3);
  --border-color-25: hsla(161, 100%, 26%, 0.6);
  --border-color-10: hsla(161, 100%, 26%, 0.4);
  --border-color-5: hsla(161, 100%, 26%, 0.3);

  --btn-color: #00845b;

  --bg-card: #ffffff;

  --icon-primary: #00845b;

  --shadow-sm: 0 1px 2px 0 hsl(222 47% 11% / 0.05);
  --shadow-md: 0 4px 6px -1px hsl(222 47% 11% / 0.1),
    0 2px 4px -2px hsl(222 47% 11% / 0.1);
  --shadow-lg: 0 10px 15px -3px hsl(222 47% 11% / 0.1),
    0 4px 6px -4px hsl(222 47% 11% / 0.1);
  --shadow-xl: 0 20px 25px -5px hsl(222 47% 11% / 0.1),
    0 8px 10px -6px hsl(222 47% 11% / 0.1);

  --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  --font-heading: "Outfit", "Inter", sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

html[data-theme="dark"] {
  --bg-primary: hsl(222 47% 6%);
  --bg-secondary: hsl(222 47% 8%);
  --color-primary: #00845b;
  --color-primary-10: hsla(161, 100%, 26%, 0.1);

  --text-primary: #24e39b;
  --text-secondary: hsl(215 20% 65%);
  --text-muted: hsl(215 20% 65%);
  --text-clasic: hsl(0, 0%, 100%);
  --text-clasic2: hsl(0, 2%, 12%);
  --text-btn: #cdfee5;

  --border-color: #00ca85;
  --border-color2: hsla(0, 0%, 100%, 0.15);
  --border-color-25: hsla(160, 100%, 40%, 0.25);
  --border-color-10: hsla(160, 100%, 40%, 0.1);
  --border-color-5: hsla(160, 100%, 40%, 0.05);

  --btn-color: #00ca85;

  --bg-card: hsl(222 47% 8%);

  --icon-primary: #24e39b;

  --shadow-sm: 0 1px 2px 0 hsl(0 0% 0% / 0.3);
  --shadow-md: 0 4px 6px -1px hsl(0 0% 0% / 0.4),
    0 2px 4px -2px hsl(0 0% 0% / 0.3);
  --shadow-lg: 0 10px 15px -3px hsl(0 0% 0% / 0.4),
    0 4px 6px -4px hsl(0 0% 0% / 0.3);
  --shadow-xl: 0 20px 25px -5px hsl(0 0% 0% / 0.5),
    0 8px 10px -6px hsl(0 0% 0% / 0.4);
}

html[data-theme="dark"] .skill-icon-item {
  background: transparent;
  border: 1px solid hsla(160, 100%, 40%, 0.3);
}

html[data-theme="dark"] .devicon-vercel-original {
  filter: invert(1);
  transition: transform var(--transition-base);
}

html[data-theme="dark"] .skill-icon-item:hover .devicon-vercel-original {
  filter: none;
  color: var(--text-primary);
  transition: none;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  transition: background-color var(--transition-base), color var(--transition-base);
  height: 100%;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base);
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
  padding-top: 2rem;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-clasic);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
}

a {
  text-decoration: none;
  transition: color var(--transition-fast);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: var(--spacing-2xl) 0;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

section:nth-child(even) {
  background-color: var(--bg-secondary);
}

.text-center {
  text-align: center;
}

.mt-1 {
  margin-top: var(--spacing-sm);
}

.mt-2 {
  margin-top: var(--spacing-md);
}

.mt-3 {
  margin-top: var(--spacing-lg);
}

.mt-4 {
  margin-top: var(--spacing-xl);
}

.mb-1 {
  margin-bottom: var(--spacing-sm);
}

.mb-2 {
  margin-bottom: var(--spacing-md);
}

.mb-3 {
  margin-bottom: var(--spacing-lg);
}

.mb-4 {
  margin-bottom: var(--spacing-xl);
}

.fade-in {
  animation: fadeInUp 0.8s ease forwards;
}