/* kandosolutions.de - Vanilla styles */

:root {
  --accent: oklch(78.67% 0.2037 164.12);
  --accent-hex: #2dd4bf;
  --bg-from: #0c0c0c;
  --bg-via: #1a1a1a;
  --bg-to: #101214;
  --nav-bg: rgba(24, 24, 24, 0.8);
  --card-bg: #181818;
  --border: #222;
  --border-input: #333;
  --text: #fff;
  --radius: 0.625rem;
  --radius-lg: 1rem;
}

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

html {
  -webkit-text-size-adjust: 100%;
  font-family: Inter, "Inter Fallback", system-ui, -apple-system, sans-serif;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: linear-gradient(to bottom right, var(--bg-from), var(--bg-via), var(--bg-to));
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

::selection {
  background: color-mix(in oklab, var(--accent) 40%, transparent);
}

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

.accent {
  color: var(--accent);
}

/* Nav */
.nav {
  position: fixed;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: flex;
  gap: 0.75rem;
  padding: 0.5rem 1.5rem;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 9999px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.nav a {
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 1rem;
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--accent);
}

.nav a.active {
  color: var(--accent);
}

@media (min-width: 768px) {
  .nav a {
    font-size: 1.125rem;
  }
}

/* Main layout */
.main {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.main section {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  max-width: 42rem;
}

/* Hero (home) */
.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.25;
  filter: drop-shadow(0 9px 7px rgba(0, 0, 0, 0.1));
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 4.5rem;
  }
}

.hero .accent {
  color: var(--accent);
}

.hero .underline {
  display: block;
  height: 4px;
  width: 8rem;
  margin: 1rem auto 0;
  background: var(--accent);
  border-radius: 9999px;
  transform-origin: left;
}

.hero .tagline {
  margin-top: 1.5rem;
  font-size: 1.125rem;
}

@media (min-width: 768px) {
  .hero .tagline {
    font-size: 1.5rem;
  }
}

.hero .tagline .accent {
  font-weight: 700;
}

/* Page titles */
.page-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 9px 7px rgba(0, 0, 0, 0.1));
}

@media (min-width: 768px) {
  .page-title {
    font-size: 3.75rem;
  }
}

/* Card / content block */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-input);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  text-align: left;
}

.card p {
  margin-bottom: 0.75rem;
}

.card p:last-child {
  margin-bottom: 0;
}

.card a {
  color: var(--accent);
  text-decoration: underline;
}

/* Form */
.form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  max-width: 28rem;
}

.form input,
.form textarea {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--border-input);
  font: inherit;
  outline: none;
  resize: none;
  transition: border-color 0.2s ease;
}

.form input:focus,
.form textarea:focus {
  border-color: var(--accent);
}

.form textarea {
  min-height: 120px;
}

.form button {
  align-self: flex-start;
  padding: 1rem 2rem;
  font-size: 1.125rem;
  font-weight: 500;
  background: var(--accent);
  color: #0c0c0c;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: opacity 0.2s ease;
  margin-top: 0.5rem;
}

.form button:hover {
  opacity: 0.9;
}

.form button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Entrance animations - initial state */
[data-animate] {
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="fade-up"] {
  opacity: 0;
  transform: translateY(-40px);
}

[data-animate="fade-down"] {
  opacity: 0;
  transform: translateY(40px);
}

[data-animate="scale"] {
  opacity: 0;
  transform: scale(0.8);
}

[data-animate="line"] {
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.8s ease;
}

/* Animated state */
[data-animate].animated {
  opacity: 1;
  transform: translateY(0) scale(1);
}

[data-animate="line"].animated {
  transform: scaleX(1);
}

/* Form feedback */
.form-feedback {
  padding: 0.75rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  display: none;
}

.form-feedback.visible {
  display: block;
}

.form-feedback.success {
  background: color-mix(in oklab, var(--accent) 20%, transparent);
  border: 1px solid var(--accent);
}

.form-feedback.error {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid #ef4444;
}

.mb-6 {
  margin-bottom: 1.5rem;
}