/* ==========================================================================
   Aidoudi El Fakhar Arrazi — Base stylesheet
   Design tokens + reset + shared layout, navigation, footer, components.
   Every page loads this file first, then a page-specific stylesheet.
   ========================================================================== */

:root {
  /* Color */
  --bg:        #F7F7F5;
  --bg-raised: #FFFFFF;
  --ink:       #14161A;
  --ink-soft:  #3A3D42;
  --muted:     #6B6F76;
  --line:      #E2E3E0;
  --line-soft: #ECEDEA;
  --accent:    #33449E;   /* used sparingly: links, active states, focus */
  --accent-ink: #FFFFFF;

  /* Type */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  /* Scale */
  --step--1: clamp(0.92rem, 0.89rem + 0.15vw, 1rem);
  --step-0:  clamp(1.08rem, 1.03rem + 0.2vw, 1.18rem);
  --step-1:  clamp(1.28rem, 1.18rem + 0.5vw, 1.48rem);
  --step-2:  clamp(1.5rem, 1.3rem + 1vw, 1.9rem);
  --step-3:  clamp(2rem, 1.6rem + 2vw, 2.75rem);
  --step-4:  clamp(2.75rem, 2rem + 3.5vw, 4.25rem);
  --step-5:  clamp(3.5rem, 2.4rem + 5.5vw, 6.5rem);

  /* Layout */
  --container: 1220px;
  --gutter: clamp(1.25rem, 3vw, 3rem);
  --section-space: clamp(4.5rem, 10vw, 9rem);

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --fast: 220ms;
  --slow: 620ms;
}

@media (prefers-color-scheme: dark) {
  /* Intentionally not auto-switching to dark mode — the design is
     built around the off-white/near-black pairing at all times.
     Left here as a documented decision, not an oversight. */
}

/* ---------- Reset ---------- */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }

::selection { background: var(--ink); color: var(--bg); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---------- Type helpers ---------- */

.display   { font-family: var(--font-display); font-weight: 400; letter-spacing: -0.01em; }
.mono      { font-family: var(--font-mono); }
.label {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 { font-family: var(--font-display); font-size: var(--step-5); line-height: 1.02; font-weight: 400; letter-spacing: -0.015em; }
h2 { font-family: var(--font-display); font-size: var(--step-3); line-height: 1.1; font-weight: 400; letter-spacing: -0.01em; }
h3 { font-family: var(--font-display); font-size: var(--step-2); line-height: 1.2; font-weight: 400; }

p.lede { font-size: var(--step-1); color: var(--ink-soft); line-height: 1.55; max-width: 40em; }

/* ---------- Layout ---------- */

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

.section { padding-block: var(--section-space); }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }

.hairline {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* ---------- Buttons / links ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.9em 1.4em;
  border: 1px solid var(--ink);
  color: var(--ink);
  transition: background var(--fast) var(--ease), color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}
.btn:hover, .btn:focus-visible { background: var(--ink); color: var(--bg); }

.btn--ghost { border-color: var(--line); color: var(--muted); }
.btn--ghost:hover, .btn--ghost:focus-visible { border-color: var(--ink); background: transparent; color: var(--ink); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.2em;
  transition: border-color var(--fast) var(--ease), gap var(--fast) var(--ease);
}
.link-arrow:hover, .link-arrow:focus-visible { border-color: var(--ink); gap: 0.75em; }
.link-arrow svg { width: 0.9em; height: 0.9em; transition: transform var(--fast) var(--ease); }
.link-arrow:hover svg { transform: translateX(2px); }

/* ---------- Navigation ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--fast) var(--ease), background var(--fast) var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--line); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.25rem;
}

.nav__mark {
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 400;
  letter-spacing: -0.01em;
}
.nav__mark strong { font-weight: 600; }

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2.5rem);
}

.nav__links a {
  display: block;
  position: relative;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  padding-block: 0.3em;
  transition: color var(--fast) var(--ease);
}
.nav__links a:hover, .nav__links a:focus-visible { color: var(--ink); }
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 1px;
  background: var(--ink);
  transition: right var(--fast) var(--ease);
}
.nav__links a:hover::after, .nav__links a[aria-current="page"]::after { right: 0; }
.nav__links a[aria-current="page"] { color: var(--ink); }

.nav__contact { color: var(--ink) !important; border: 1px solid var(--line); padding: 0.5em 0.9em; }
.nav__contact:hover { border-color: var(--ink); }
.nav__contact::after { display: none; }

.nav__toggle { display: none; flex-direction: column; gap: 5px; padding: 0.5rem; }
.nav__toggle span { width: 20px; height: 1px; background: var(--ink); transition: transform var(--fast) var(--ease), opacity var(--fast) var(--ease); }

@media (max-width: 720px) {
  .nav__toggle { display: flex; }
  .nav__links {
    position: fixed;
    inset: 0 0 auto 0;
    top: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg);
    padding: 6rem var(--gutter) 2rem;
    transform: translateY(-100%);
    transition: transform var(--slow) var(--ease);
    height: 100vh;
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__links a {
    width: 100%;
    padding-block: 1.1rem;
    border-bottom: 1px solid var(--line-soft);
    font-size: var(--step-1);
  }
  .nav__contact { border: none; margin-top: 1rem; padding: 0; }
  body.nav-open { overflow: hidden; }
}

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

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.footer__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
}

.footer__name { font-family: var(--font-display); font-size: var(--step-1); }

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer__links a {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}
.footer__links a:hover, .footer__links a:focus-visible { color: var(--ink); border-color: var(--ink); }

.footer__meta {
  margin-top: 2rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ---------- Media placeholder (used until real assets are added) ---------- */

.media-placeholder {
  position: relative;
  width: 100%;
  aspect-ratio: var(--ph-ratio, 4 / 5);
  background:
    repeating-linear-gradient(135deg, var(--line-soft) 0 1px, transparent 1px 14px),
    var(--bg-raised);
  border: 1px solid var(--line);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.media-placeholder__label {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--muted);
  padding: 0.9rem 1rem;
  background: color-mix(in srgb, var(--bg) 75%, transparent);
  width: 100%;
}
.media-placeholder img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none; /* hidden until main.js confirms it loaded */
}
/* Once a real file loads at the given path, main.js adds this class
   so the photo shows and the placeholder path label disappears. */
.media-placeholder.has-image { background: var(--bg-raised); }
.media-placeholder.has-image img { display: block; }
.media-placeholder.has-image .media-placeholder__label { display: none; }

/* ---------- Scroll reveal ---------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--slow) var(--ease), transform var(--slow) var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Skip link ---------- */

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--bg);
  padding: 0.75em 1.25em;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  z-index: 100;
}
.skip-link:focus { left: var(--gutter); top: var(--gutter); }