/* ==========================================================================
   PS Creative - ps-creative.de
   ========================================================================== */

/* --- Custom Properties --------------------------------------------------- */
:root {
  --color-primary: #0D7377;
  --color-primary-light: #14919B;
  --color-primary-dark: #0A5C5F;
  --color-accent: #0EA5A0;
  --color-dark: #1A1A2E;
  --color-text: #2D2D3F;
  --color-text-light: #5A5A72;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F0FDFA;
  --color-bg-dark: #1A1A2E;
  --color-border: #E0E0E8;

  --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;

  --max-width: 960px;
  --section-padding: 5rem 1.5rem;
}

/* --- Reset & Base -------------------------------------------------------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-primary-light);
}

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

/* --- Typography ---------------------------------------------------------- */
h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--color-dark);
  line-height: 1.25;
}

h1 { font-size: 2.75rem; font-weight: 700; }
h2 { font-size: 1.85rem; font-weight: 600; }
h3 { font-size: 1.2rem;  font-weight: 600; }

/* --- Layout -------------------------------------------------------------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: var(--section-padding);
}

/* --- Header / Navigation ------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  transform: translateY(-100%);
  transition: transform 0.3s, box-shadow 0.3s;
}

.site-header.visible {
  transform: translateY(0);
}

.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: -0.02em;
}

.nav-brand span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.25s;
}

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

.nav-links a:hover::after {
  width: 100%;
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}

/* --- Hero ---------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, var(--color-bg) 60%, var(--color-bg-alt) 100%);
  padding-top: 64px;
}

.hero-content {
  max-width: 680px;
}

.hero-logo {
  width: 320px;
  max-width: 80%;
  height: auto;
  margin-bottom: 2rem;
}

.hero-tagline {
  display: inline-block;
  color: var(--color-primary);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.hero h1 .highlight {
  color: var(--color-primary);
}

.hero-description {
  font-size: 1.15rem;
  color: var(--color-text-light);
  max-width: 540px;
  margin-bottom: 2rem;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-primary);
  color: #fff;
  padding: 0.8rem 1.8rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s, transform 0.15s;
}

.hero-cta:hover {
  background: var(--color-primary-light);
  color: #fff;
  transform: translateY(-1px);
}

/* --- Services ------------------------------------------------------------ */
.services {
  background: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header p {
  color: var(--color-text-light);
  margin-top: 0.75rem;
  font-size: 1.05rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 2rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(13, 115, 119, 0.1);
}

.service-icon {
  width: 48px;
  height: 48px;
  background: var(--color-bg-alt);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-primary);
  font-size: 1.4rem;
}

.service-card h3 {
  margin-bottom: 0.5rem;
}

.service-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* --- About --------------------------------------------------------------- */
.about-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.about-content p {
  color: var(--color-text-light);
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

.about-content p:last-of-type {
  margin-bottom: 2rem;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  transition: border-color 0.2s, color 0.2s;
}

.social-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.social-link svg {
  width: 18px;
  height: 18px;
}

/* --- Contact ------------------------------------------------------------- */
.contact {
  background: var(--color-bg-alt);
}

.contact-content {
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
}

.contact-content p {
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-primary);
  color: #fff;
  padding: 0.8rem 1.8rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  transition: background 0.2s, transform 0.15s;
  cursor: pointer;
  border: none;
}

.contact-email:hover {
  background: var(--color-primary-light);
  color: #fff;
  transform: translateY(-1px);
}

/* --- Footer -------------------------------------------------------------- */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.6);
  padding: 2rem 1.5rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: #fff;
}

/* --- Responsive ---------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --section-padding: 3.5rem 1.25rem;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  /* Mobile nav */
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 1.5rem;
    gap: 0;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links li:last-child {
    border-bottom: none;
  }

  .nav-links a {
    display: block;
    padding: 0.75rem 0;
  }

  .nav-links a::after {
    display: none;
  }

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

  /* Footer */
  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.75rem; }

  .hero {
    min-height: auto;
    padding-top: 100px;
    padding-bottom: 3rem;
  }

  .social-links {
    flex-direction: column;
    align-items: center;
  }
}