/* ==========================================================================
   Asarpota — asarpota.com
   A family-owned enterprise, Dubai
   ========================================================================== */

/* ---------- Fonts ---------- */

@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('/fonts/plus-jakarta-sans-var.woff2') format('woff2');
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Instrument Serif';
  src: url('/fonts/instrument-serif-regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Instrument Serif';
  src: url('/fonts/instrument-serif-italic.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

/* ---------- Tokens ---------- */

:root {
  --background: #FAFAFA;
  --surface: #FFFFFF;
  --text-primary: #1D1D1B;
  --text-secondary: #6F6F6B;
  --text-muted: #9A9A96;
  --border: #E8E8E5;
  --border-strong: #DEDEDA;
  --button: #242635;
  --button-hover: #17182A;
  --button-text: #FFFFFF;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-serif: 'Instrument Serif', 'Iowan Old Style', Georgia, 'Times New Roman', serif;

  --container: 1280px;
  --pad: clamp(1.25rem, 4.5vw, 4rem);
  --radius: 20px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset & base ---------- */

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

* {
  margin: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--background);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
}

::selection {
  background: var(--button);
  color: var(--button-text);
}

:focus-visible {
  outline: 2px solid var(--button);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Utilities ---------- */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--pad);
  z-index: 100;
  padding: 0.625rem 1rem;
  background: var(--button);
  color: var(--button-text);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 999px;
  transition: top 0.2s var(--ease-out);
}

.skip-link:focus-visible {
  top: 0.75rem;
}

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}

.site-header.is-scrolled {
  background: var(--background);
  border-bottom-color: var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 72px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--text-primary);
}

.wordmark-text {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2.25rem);
  padding: 0;
  list-style: none;
}

.site-nav a {
  position: relative;
  padding: 0.375rem 0;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.25s var(--ease-out);
}

.site-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--text-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}

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

.site-nav a:hover::after {
  transform: scaleX(1);
}

/* ---------- Hero ---------- */

.hero {
  min-height: 100vh;
  min-height: 100svh;
  padding-block: clamp(6rem, 13vw, 10.5rem);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.1)),
    url('/assets/asarpota-hero.webp');
  background-size: cover, cover;
  background-position: center 32%, center 32%;
  background-repeat: no-repeat;
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: calc(100vh - (2 * clamp(6rem, 13vw, 10.5rem)));
  min-height: calc(100svh - (2 * clamp(6rem, 13vw, 10.5rem)));
  padding-top: clamp(1.5rem, 3vw, 3.5rem);
  text-align: center;
}

.hero-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 6.2vw, 5.75rem);
  line-height: 1.04;
  letter-spacing: -0.012em;
  color: var(--text-primary);
}

.hero-title .line {
  display: block;
}

.hero-sub {
  max-width: 42ch;
  margin-top: clamp(2rem, 4vw, 3rem);
  font-size: clamp(1.0625rem, 1.4vw, 1.1875rem);
  line-height: 1.65;
  color: var(--text-primary);
}

/* ---------- Sections ---------- */

.section {
  padding-block: clamp(4.5rem, 9vw, 8rem);
  scroll-margin-top: 5.5rem;
}

.section-head {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-label {
  display: flex;
  align-items: baseline;
  gap: 0.875rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-primary);
  white-space: nowrap;
}

.section-number {
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.section-rule {
  flex: 1;
  height: 1px;
  background: var(--border);
}

.section-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 4.4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  text-wrap: balance;
  color: var(--text-primary);
}

.section-title--wide {
  max-width: 20ch;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

/* ---------- Surfaces ---------- */

.surface {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.35s var(--ease-out);
}

/* ---------- About ---------- */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4.5fr);
  column-gap: clamp(3rem, 7vw, 7rem);
}

.about-body {
  max-width: 36rem;
  padding-top: 0.5rem;
}

.about-body p {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

.about-body p + p {
  margin-top: 1.5rem;
}

.about-body .lede {
  font-family: var(--font-serif);
  font-size: clamp(1.375rem, 2.2vw, 1.625rem);
  line-height: 1.4;
  color: var(--text-primary);
}

.about-closing {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  line-height: 1.45;
  color: var(--text-primary);
}

/* ---------- What we do ---------- */

.activities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: clamp(2rem, 4vw, 3.5rem);
}

.activity {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-inline: clamp(1.5rem, 3vw, 2.5rem);
}

.activity:first-child {
  padding-left: 0;
}

.activity:last-child {
  padding-right: 0;
}

.activity + .activity {
  border-left: 1px solid var(--border);
}

.activity h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.5rem, 2.4vw, 1.75rem);
  line-height: 1.2;
  color: var(--text-primary);
}

.activity p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 30ch;
}

/* ---------- Operating company ---------- */

.company {
  padding: clamp(2rem, 4.5vw, 4rem);
}

.company:hover {
  border-color: var(--border-strong);
}

.company-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding-bottom: clamp(1.75rem, 3.5vw, 2.75rem);
  border-bottom: 1px solid var(--border);
}

.company-name {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.company-meta {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}

.company-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding-top: clamp(1.75rem, 3.5vw, 2.75rem);
}

.company-body {
  max-width: 46ch;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6875rem 1.25rem;
  background: var(--button);
  color: var(--button-text);
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  border-radius: 999px;
  white-space: nowrap;
  transition: background 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}

.button svg {
  width: 11px;
  height: 11px;
  transition: transform 0.25s var(--ease-out);
}

.button:hover {
  background: var(--button-hover);
}

.button:hover svg {
  transform: translate(1px, -1px);
}

.button:active {
  transform: scale(0.97);
}

/* ---------- Principles ---------- */

.principles {
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.principle {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  column-gap: clamp(3rem, 7vw, 7rem);
  align-items: baseline;
  padding-block: clamp(1.5rem, 3vw, 2.25rem);
  border-top: 1px solid var(--border);
}

.principle h3 {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.375rem, 2.4vw, 1.75rem);
  line-height: 1.25;
  color: var(--text-primary);
}

.principle-number {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.principle p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 34rem;
}

.principle-emphasis {
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: clamp(1rem, 2vw, 1.5rem);
  border-top: 1px solid var(--border);
}

.principle-emphasis h3 {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.emphasis-statement {
  max-width: 23ch;
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 3.8vw, 3.25rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

/* ---------- Closing statement ---------- */

.closing {
  padding-block: clamp(6rem, 13vw, 11rem);
}

.closing-statement {
  max-width: 19ch;
  margin-inline: auto;
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5.6vw, 4.6rem);
  line-height: 1.1;
  letter-spacing: -0.012em;
  text-align: center;
  color: var(--text-primary);
}

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  column-gap: clamp(3rem, 7vw, 7rem);
}

.contact-org {
  /* first column */
}

.contact-address {
  margin-top: 1rem;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.contact-list {
  /* second column */
}

.contact-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.375rem;
  border-top: 1px solid var(--border);
}

.contact-row:last-child {
  border-bottom: 1px solid var(--border);
}

.contact-row dt {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-row dd {
  margin: 0;
}

.contact-row a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-repeat: no-repeat;
  background-position: left calc(100% - 1px);
  transition: background-size 0.3s var(--ease-out);
}

.contact-row a:hover {
  background-size: 100% 1px;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 2rem;
}

.wordmark--footer .wordmark-text {
  font-size: 0.8125rem;
}

.footer-meta {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ---------- Reveal motion ---------- */

@media (prefers-reduced-motion: no-preference) {
  .js [data-reveal] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  }

  .js [data-reveal].is-visible {
    opacity: 1;
    transform: none;
  }

  .js [data-reveal-group] > *:nth-child(2) { transition-delay: 0.08s; }
  .js [data-reveal-group] > *:nth-child(3) { transition-delay: 0.16s; }
  .js [data-reveal-group] > *:nth-child(4) { transition-delay: 0.24s; }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .about-grid,
  .principle,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about-grid .section-title {
    margin-bottom: 1.5rem;
  }

  .principle {
    row-gap: 0.75rem;
    padding-block: 1.75rem;
  }

  .principle p {
    padding-left: 2.25rem;
  }

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

  .activity {
    padding-inline: 0;
  }

  .activity + .activity {
    border-left: none;
    border-top: 1px solid var(--border);
    padding-top: clamp(1.75rem, 4vw, 2.5rem);
    margin-top: clamp(1.75rem, 4vw, 2.5rem);
  }

  .activity p {
    max-width: 52ch;
  }

  .contact-org {
    margin-bottom: 0.5rem;
  }
}

@media (max-width: 640px) {
  :root {
    --pad: 1.25rem;
  }

  .header-inner {
    min-height: 64px;
  }

  .site-nav ul {
    gap: 1rem;
  }

  .site-nav a {
    padding: 0.625rem 0;
    font-size: 0.75rem;
  }

  .wordmark-text {
    font-size: 0.8125rem;
    letter-spacing: 0.12em;
  }

  .company-top,
  .company-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .company-bottom {
    gap: 1.75rem;
  }

  .contact-row {
    flex-direction: column;
    gap: 0.375rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
    padding-block: 2.25rem;
  }
}

@media (max-width: 400px) {
  .header-inner {
    gap: 0.875rem;
  }

  .wordmark-text {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
  }

  .site-nav ul {
    gap: 0.625rem;
  }

  .site-nav a {
    font-size: 0.6875rem;
  }
}