/* ============================================
   Contact Page — contact.szulakowski.pl
   Design System: Navy + Amber + DM Serif/Sans
   ============================================ */

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

:root {
  /* Colors */
  --navy: #1b2d4f;
  --navy-dark: #131a2b;
  --amber: #c8872e;
  --amber-hover: #b5771f;
  --amber-light: rgba(200, 135, 46, 0.12);
  --bg-light: #f5f6f8;
  --white: #ffffff;
  --gray-100: #f0f1f4;
  --gray-200: #e2e4e9;
  --gray-300: #c8cbd3;
  --gray-400: #9ba1ad;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --text-primary: #1b2d4f;
  --text-secondary: #4b5563;
  --text-muted: #6b7280;
  --text-on-dark: #e2e4e9;
  --text-on-dark-muted: #9ba1ad;

  /* Typography */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --section-padding: clamp(3.5rem, 8vw, 6rem);
  --container-max: 1080px;
  --container-padding: clamp(1.25rem, 4vw, 2rem);

  /* Borders & Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(27, 45, 79, 0.06);
  --shadow-md: 0 4px 16px rgba(27, 45, 79, 0.08);
  --shadow-lg: 0 8px 32px rgba(27, 45, 79, 0.1);

  /* Transitions */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 0.3s;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-light);
}

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

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

ul {
  list-style: none;
}

/* --- Container --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* --- Section Title --- */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--navy);
  margin-bottom: 2rem;
  text-align: center;
}

/* === NAVIGATION === */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(27, 45, 79, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--white);
  letter-spacing: -0.01em;
  transition: opacity var(--duration) var(--ease);
}

.nav__logo:hover {
  opacity: 0.85;
}

.nav__logo-dot {
  color: var(--amber);
}

/* === HERO === */
.hero {
  background: var(--navy);
  padding: clamp(4rem, 10vw, 7rem) 0 clamp(3.5rem, 8vw, 5.5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200, 135, 46, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 4.5rem);
  color: var(--white);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-on-dark-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
  font-weight: 300;
}

/* === CONTACT METHODS === */
.contact-methods {
  padding: var(--section-padding) 0;
  background: var(--bg-light);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.method-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  text-align: center;
  transition: all var(--duration) var(--ease);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.method-card:hover {
  border-color: var(--amber);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.method-card__icon {
  width: 56px;
  height: 56px;
  background: var(--amber-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amber);
  margin-bottom: 1.25rem;
}

.method-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 0.35rem;
}

.method-card__detail {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.method-card__cta {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--amber);
  letter-spacing: 0.01em;
  margin-top: auto;
}

/* === CONTACT FORM === */
.contact-form-section {
  padding: var(--section-padding) 0;
  background: var(--white);
}

.form-wrapper {
  max-width: 720px;
  margin: 0 auto;
}

.contact-form {
  margin-top: 1rem;
}

.form-row {
  margin-bottom: 0;
}

.form-row--two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
  position: relative;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.required {
  color: var(--amber);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-light);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(200, 135, 46, 0.12);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236b7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

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

.form-error {
  display: none;
  font-size: 0.8rem;
  color: #d03030;
  margin-top: 0.3rem;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: #d03030;
}

.form-group.has-error .form-error {
  display: block;
}

/* Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  letter-spacing: 0.01em;
}

.btn--primary {
  background: var(--amber);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--amber-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(200, 135, 46, 0.3);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--outline {
  background: transparent;
  color: var(--amber);
  border: 1.5px solid var(--amber);
}

.btn--outline:hover {
  background: var(--amber-light);
}

.form-note {
  margin-top: 1rem;
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Success state */
.form-success {
  display: none;
  text-align: center;
  padding: 3rem 1rem;
}

.form-success.is-visible {
  display: block;
}

.form-success__icon {
  color: #16a34a;
  margin-bottom: 1rem;
}

.form-success__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.form-success__text {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* === ENGAGEMENT MODELS === */
.engagement {
  padding: var(--section-padding) 0;
  background: var(--bg-light);
}

.engagement-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  transition: all var(--duration) var(--ease);
}

.engagement-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.engagement-card__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--amber-light);
}

.engagement-card__list {
  margin-bottom: 1.25rem;
}

.engagement-card__list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.35rem 0;
  padding-left: 1.1rem;
  position: relative;
}

.engagement-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 5px;
  height: 5px;
  background: var(--amber);
  border-radius: 50%;
}

.engagement-card__duration {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--amber);
  background: var(--amber-light);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  letter-spacing: 0.01em;
}

/* === AVAILABILITY === */
.availability {
  padding: var(--section-padding) 0;
  background: var(--navy-dark);
  text-align: center;
}

.availability__badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #16a34a;
  background: rgba(22, 163, 74, 0.1);
  border: 1px solid rgba(22, 163, 74, 0.2);
  padding: 0.45rem 1.25rem;
  border-radius: 100px;
  margin-bottom: 2.5rem;
  letter-spacing: 0.02em;
}

.availability__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 3rem;
  max-width: 700px;
  margin: 0 auto;
  text-align: left;
}

.availability__item {
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.availability__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-on-dark-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}

.availability__value {
  font-size: 0.95rem;
  color: var(--text-on-dark);
  font-weight: 400;
}

/* === LINKS SECTION === */
.links-section {
  padding: var(--section-padding) 0;
  background: var(--white);
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.link-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: all var(--duration) var(--ease);
}

.link-card:hover {
  border-color: var(--amber);
  box-shadow: var(--shadow-sm);
}

.link-card__label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
}

.link-card__name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--navy);
}

.link-card__arrow {
  margin-top: auto;
  padding-top: 1rem;
  color: var(--amber);
  font-size: 1.1rem;
  font-weight: 600;
  transition: transform var(--duration) var(--ease);
}

.link-card:hover .link-card__arrow {
  transform: translateX(4px);
}

/* === FOOTER === */
.footer {
  background: var(--navy-dark);
  padding: 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.footer__copy {
  font-size: 0.8rem;
  color: var(--text-on-dark-muted);
}

.footer__right {
  display: flex;
  gap: 1.5rem;
}

.footer__right a {
  font-size: 0.85rem;
  color: var(--text-on-dark-muted);
  transition: color var(--duration) var(--ease);
}

.footer__right a:hover {
  color: var(--amber);
}

/* === SCROLL ANIMATIONS === */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .cards-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .links-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .form-row--two {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .availability__grid {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .footer__right {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero__title {
    font-size: clamp(2.25rem, 9vw, 3rem);
  }
}

@media (max-width: 480px) {
  .method-card {
    padding: 1.5rem 1.25rem;
  }

  .engagement-card {
    padding: 1.5rem 1.25rem;
  }
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* Skip link (accessibility) */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  padding: 8px 16px;
  background: var(--amber);
  color: var(--white);
  border-radius: var(--radius-sm);
  z-index: 999;
  font-size: 0.875rem;
}

.skip-link:focus {
  top: 8px;
}