/* ===================================
   Pals Media — Stylesheet
   Clean, editorial, journalistic design
   =================================== */

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

:root {
  --color-black: #0a0a0a;
  --color-white: #ffffff;
  --color-gray-50: #fafafa;
  --color-gray-100: #f5f5f5;
  --color-gray-200: #e5e5e5;
  --color-gray-400: #a3a3a3;
  --color-gray-600: #525252;
  --color-gray-800: #262626;
  --color-accent: #1a3a5c;
  --color-accent-light: #2a5a8c;

  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  --max-width: 1120px;
  --section-padding: 100px 0;
  --transition: 0.3s ease;
}

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

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

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

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-black);
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.25rem;
  font-family: var(--font-body);
  font-weight: 600;
}

p {
  font-size: 1.05rem;
  color: var(--color-gray-600);
}

/* --- Section layout --- */
.section {
  padding: var(--section-padding);
}

.section--gray {
  background: var(--color-gray-50);
}

.section__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.section__title {
  margin-bottom: 24px;
}

.section__intro {
  max-width: 680px;
  margin-bottom: 56px;
}

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.header--scrolled {
  border-bottom-color: var(--color-gray-200);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header__logo {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-black);
  letter-spacing: -0.02em;
}

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

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-gray-600);
  transition: color var(--transition);
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-black);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__lang {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border: 1.5px solid var(--color-gray-200);
  border-radius: 4px;
  color: var(--color-gray-600);
  transition: all var(--transition);
}

.nav__lang:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Mobile menu button */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-black);
  margin: 5px 0;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle--open .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle--open .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle--open .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero --- */
.hero {
  padding: 160px 0 120px;
  min-height: 85vh;
  display: flex;
  align-items: center;
}

.hero__content {
  max-width: 720px;
}

.hero__tagline {
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.hero__title {
  margin-bottom: 28px;
}

.hero__description {
  font-size: 1.2rem;
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 600px;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  background: var(--color-accent);
  padding: 14px 32px;
  border-radius: 4px;
  transition: background var(--transition), transform var(--transition);
}

.hero__cta:hover {
  background: var(--color-accent-light);
  color: var(--color-white);
  transform: translateY(-1px);
}

.hero__cta svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition);
}

.hero__cta:hover svg {
  transform: translateX(3px);
}

/* --- About --- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about__text p {
  margin-bottom: 20px;
}

.about__credentials {
  list-style: none;
  margin-top: 32px;
}

.about__credentials li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  font-size: 1rem;
  color: var(--color-gray-600);
}

.about__credentials li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 2px;
  background: var(--color-accent);
}

.about__sidebar {
  background: var(--color-gray-50);
  padding: 40px;
  border-left: 3px solid var(--color-accent);
}

.about__photo {
  width: 100%;
  border-radius: 4px;
  margin-bottom: 28px;
  object-fit: contain;
}

.about__sidebar h3 {
  margin-bottom: 20px;
}

.languages {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
}

.languages li {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 16px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 3px;
  color: var(--color-gray-600);
}

/* --- Services --- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.service-card {
  padding: 40px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 4px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.service-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: 20px;
  color: var(--color-accent);
}

.service-card h3 {
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.95rem;
}

/* --- Sectors --- */
.sectors__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.sector-item {
  padding: 32px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 4px;
  transition: border-color var(--transition), transform var(--transition);
}

.sector-item:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.sector-item__icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
  display: block;
}

.sector-item h3 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.sector-item p {
  font-size: 0.9rem;
}

/* --- Portfolio / Work --- */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.portfolio-card {
  padding: 36px;
  background: var(--color-gray-50);
  border-radius: 4px;
  border-left: 3px solid var(--color-accent);
}

.portfolio-card__type {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.portfolio-card h3 {
  margin-bottom: 10px;
}

.portfolio-card p {
  font-size: 0.9rem;
}

/* --- Contact --- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact__info h3 {
  margin-bottom: 16px;
}

.contact__info p {
  margin-bottom: 24px;
}

.contact__details {
  list-style: none;
  margin-top: 32px;
}

.contact__details li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 1rem;
  color: var(--color-gray-600);
}

.contact__details li svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-gray-800);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 16px;
  border: 1px solid var(--color-gray-200);
  border-radius: 4px;
  background: var(--color-white);
  color: var(--color-black);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-submit {
  align-self: flex-start;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 40px;
  background: var(--color-accent);
  color: var(--color-white);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.form-submit:hover {
  background: var(--color-accent-light);
  transform: translateY(-1px);
}

/* --- Footer --- */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--color-gray-200);
}

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

.footer__copy {
  font-size: 0.85rem;
  color: var(--color-gray-400);
}

.footer__links {
  display: flex;
  gap: 24px;
}

.footer__links a {
  font-size: 0.85rem;
  color: var(--color-gray-400);
  transition: color var(--transition);
}

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

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --- Responsive --- */
@media (max-width: 900px) {
  :root {
    --section-padding: 72px 0;
  }

  .hero {
    padding: 120px 0 80px;
    min-height: auto;
  }

  .about__grid,
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .sectors__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--color-gray-200);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

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

  .nav-toggle {
    display: block;
  }

  .sectors__grid {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .hero__title {
    font-size: 2rem;
  }

  .service-card {
    padding: 28px;
  }
}