/* ============================================
   Agency5ve — Bauhaus-inspired creative agency
   ============================================ */

/* --- Design tokens --- */
:root {
  --red:    #e63946;
  --yellow: #f4a261;
  --blue:   #264653;
  --black:  #111111;
  --white:  #faf8f5;
  --gray:   #8a8a8a;
  --light:  #e9e4db;

  --font-display: "Helvetica Neue", "Helvetica", "Arial", sans-serif;
  --font-body:    "Helvetica Neue", "Helvetica", "Arial", sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  --max-w: 1200px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --black:  #f0ede8;
    --white:  #121212;
    --light:  #1e1e1e;
    --gray:   #777777;
    --blue:   #4a7c8c;
    --red:    #ff5a67;
    --yellow: #f4b860;
  }
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* --- Geometric decorative shapes --- */
.shape {
  position: fixed;
  z-index: 0;
  pointer-events: none;
  opacity: 0.06;
}
.shape--circle {
  width: 400px; height: 400px;
  border-radius: 50%;
  background: var(--red);
  top: -120px; right: -100px;
}
.shape--square {
  width: 250px; height: 250px;
  background: var(--blue);
  bottom: 10%; left: -80px;
  transform: rotate(45deg);
}
.shape--triangle {
  width: 0; height: 0;
  border-left: 140px solid transparent;
  border-right: 140px solid transparent;
  border-bottom: 240px solid var(--yellow);
  bottom: 30%; right: -60px;
}
.shape--bar {
  width: 100vw; height: 6px;
  background: linear-gradient(90deg, var(--red), var(--yellow), var(--blue));
  top: 50%; left: 0;
  transform: translateY(-50%);
  opacity: 0.04;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
}

/* --- Header / Nav --- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 3px solid var(--black);
}
.header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0.75rem var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  background: var(--black);
  color: var(--white);
  padding: 0.15em 0.5em;
  display: inline-block;
}
.nav {
  display: flex;
  gap: var(--space-sm);
}
.nav__link {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--black);
  text-decoration: none;
  padding: 0.25em 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.nav__link:hover,
.nav__link:focus-visible {
  border-bottom-color: var(--red);
  color: var(--red);
}

/* --- Hero --- */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  position: relative;
  z-index: 1;
}
.hero__title {
  font-size: clamp(3.5rem, 12vw, 8rem);
  font-weight: 900;
  line-height: 0.9;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}
.hero__line {
  display: block;
}
.hero__line--1 {
  color: var(--black);
}
.hero__line--2 {
  color: var(--red);
  padding-left: 0.1em;
}
.hero__tagline {
  font-size: 1.15rem;
  font-weight: 500;
  max-width: 55ch;
  color: var(--gray);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  padding: 0.85em 1.8em;
  cursor: pointer;
  border: 3px solid var(--black);
  transition: all 0.15s;
}
.btn--primary {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}
.btn--outline {
  background: transparent;
  color: var(--black);
}
.btn--outline:hover,
.btn--outline:focus-visible {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--black);
}
.btn--submit {
  border: none;
  background: var(--black);
  color: var(--white);
  padding: 0.85em 2.5em;
}
.btn--submit:hover,
.btn--submit:focus-visible {
  background: var(--blue);
}

/* --- Section base --- */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  position: relative;
  z-index: 1;
}
.section__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gray);
  margin-bottom: var(--space-md);
  border-top: 3px solid var(--black);
  padding-top: 0.75rem;
  display: inline-block;
}

/* --- Work grid --- */
.work__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
}
.work__card {
  border: 3px solid var(--black);
  background: var(--white);
  transition: transform 0.2s, box-shadow 0.2s;
}
.work__card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 8px 8px 0 var(--black);
}
.work__thumb {
  aspect-ratio: 4 / 3;
  background: var(--card-color, var(--red));
  display: flex;
  align-items: center;
  justify-content: center;
}
.work__initial {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 900;
  color: var(--white);
  opacity: 0.85;
}
.work__info {
  padding: var(--space-sm);
  border-top: 3px solid var(--black);
}
.work__title {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 0.3em;
}
.work__desc {
  font-size: 0.9rem;
  color: var(--gray);
  margin: 0;
  line-height: 1.4;
}

/* --- Services grid --- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
}
.service {
  border-top: 3px solid var(--black);
  padding-top: var(--space-sm);
}
.service__icon {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2rem;
  color: var(--red);
  display: block;
  margin-bottom: 0.3em;
}
.service__title {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 0.3em;
}
.service__desc {
  font-size: 0.9rem;
  color: var(--gray);
  margin: 0;
  line-height: 1.4;
}

/* --- About --- */
.about__body {
  max-width: 65ch;
}
.about__text {
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0 0 var(--space-sm);
}

/* --- Contact --- */
.contact__intro {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--black);
  margin: 0 0 var(--space-md);
  max-width: 45ch;
}

/* --- Contact form --- */
.contact__form {
  max-width: 520px;
}
.form__row {
  margin-bottom: var(--space-sm);
}
.form__label {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.3em;
}
.form__input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.6em 0.8em;
  border: 3px solid var(--black);
  background: var(--white);
  color: var(--black);
  border-radius: 0;
  transition: border-color 0.15s;
}
.form__input:focus {
  outline: none;
  border-color: var(--blue);
}
.form__input--area {
  resize: vertical;
}
.form__status {
  font-size: 0.9rem;
  font-weight: 600;
  margin-top: var(--space-sm);
}

/* --- Footer --- */
.footer {
  border-top: 3px solid var(--black);
  margin-top: var(--space-lg);
  padding: var(--space-md) var(--space-md) var(--space-sm);
  position: relative;
  z-index: 1;
}
.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}
.footer__logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.8rem;
  background: var(--black);
  color: var(--white);
  padding: 0.1em 0.4em;
  display: inline-block;
}
.footer__tagline {
  font-size: 0.9rem;
  color: var(--gray);
  margin: 0.5em 0 0;
  max-width: 30ch;
}
.footer__link {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--black);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s;
}
.footer__link:hover,
.footer__link:focus-visible {
  border-bottom-color: var(--red);
}
.attribution {
  text-align: center;
  font-size: 0.75rem;
  color: var(--gray);
  margin: 0;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--light);
}
.attribution a {
  color: var(--gray);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
.attribution a:hover {
  color: var(--black);
}

/* --- Focus visible --- */
:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 2px;
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* --- Mobile --- */
@media (max-width: 640px) {
  .header__inner {
    flex-direction: column;
    gap: var(--space-xs);
    padding: 0.5rem var(--space-sm);
  }
  .nav {
    gap: 0.75rem;
  }
  .hero {
    padding: var(--space-lg) var(--space-sm) var(--space-md);
  }
  .hero__title {
    font-size: clamp(2.5rem, 15vw, 4rem);
  }
  .section {
    padding: var(--space-md) var(--space-sm);
  }
  .work__grid,
  .services__grid {
    grid-template-columns: 1fr;
  }
  .footer__inner {
    flex-direction: column;
  }
}