/* ==========================================================================
   omarbahhur.com — single stylesheet, no build step, no external requests.
   Mobile-first. System font stack only.

   THEME — the entire look of the site is controlled by the variables below.
   To restyle (e.g. switch warm → dark/technical), edit ONLY this block.
   ========================================================================== */

:root {
  /* -- Palette (current theme: warm & friendly) -- */
  --color-bg:            #faf6f0;  /* page background */
  --color-surface:       #ffffff;  /* cards, elevated areas */
  --color-text:          #33291f;  /* body text */
  --color-text-soft:     #6b5d4d;  /* secondary text, captions */
  --color-accent:        #c2571b;  /* links, buttons, highlights */
  --color-accent-soft:   #f4e3d3;  /* tinted backgrounds, tags */
  --color-border:        #e8ddd0;  /* hairlines, card edges */
  --color-footer-bg:     #33291f;  /* footer background */
  --color-footer-text:   #e8ddd0;  /* footer text */

  /* -- Typography -- */
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 1.0625rem;   /* 17px */
  --line-height-base: 1.65;

  /* -- Shape & depth -- */
  --radius: 12px;
  --shadow-card: 0 2px 10px rgba(51, 41, 31, 0.07);

  /* -- Layout -- */
  --content-width: 44rem;
  --content-width-wide: 60rem;   /* projects grid */
  --space: 1.25rem;
}

/* ==========================================================================
   Base
   ========================================================================== */

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  line-height: 1.25;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2rem, 6vw, 2.75rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.4rem, 4vw, 1.75rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; }

a {
  color: var(--color-accent);
  text-underline-offset: 3px;
}

a:hover { text-decoration-thickness: 2px; }

/* ==========================================================================
   Header & nav
   ========================================================================== */

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.site-header__inner {
  max-width: var(--content-width-wide);
  margin: 0 auto;
  padding: 0.9rem var(--space);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}

.site-header__name {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
  text-decoration: none;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.1rem;
}

.site-nav a {
  color: var(--color-text-soft);
  text-decoration: none;
  font-size: 0.95rem;
}

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

.site-nav a[aria-current="page"] {
  color: var(--color-accent);
  font-weight: 600;
}

/* ==========================================================================
   Main layout
   ========================================================================== */

main {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 2.5rem var(--space) 4rem;
}

main.wide { max-width: var(--content-width-wide); }

.lede {
  font-size: 1.15rem;
  color: var(--color-text-soft);
}

/* ==========================================================================
   Hero (home page)
   ========================================================================== */

.hero {
  display: grid;
  gap: 1.75rem;
  align-items: center;
  margin-bottom: 2.5rem;
}

@media (min-width: 640px) {
  .hero { grid-template-columns: 1fr auto; }
  .hero__photo { order: 2; }
}

.hero__role {
  color: var(--color-accent);
  font-weight: 600;
  margin: 0 0 0.35em;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero__photo img,
.figure-photo img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.hero__photo img {
  width: 200px;
  height: 200px;
  object-fit: cover;
}

figure {
  margin: 0 0 1.5rem;
}

/* Portrait photos: don't let them span the full column width */
.figure-photo--portrait {
  max-width: 340px;
}

@media (min-width: 640px) {
  .figure-photo--portrait {
    float: right;
    max-width: 300px;
    margin: 0 0 1rem 1.5rem;
  }
}

figcaption {
  font-size: 0.85rem;
  color: var(--color-text-soft);
  margin-top: 0.5rem;
}

/* ==========================================================================
   Buttons & profile links
   ========================================================================== */

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.button {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  background: var(--color-accent);
  color: #fff;
  border: 1px solid var(--color-accent);
}

.button--ghost {
  background: transparent;
  color: var(--color-accent);
}

.button:hover { opacity: 0.9; }

.profile-links {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.profile-links a {
  display: block;
  padding: 0.9rem 1.1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-text);
  box-shadow: var(--shadow-card);
}

.profile-links a:hover { border-color: var(--color-accent); }

.profile-links .profile-links__label {
  font-weight: 600;
  color: var(--color-accent);
}

.profile-links .profile-links__detail {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-soft);
}

.contact-aside {
  font-size: 0.9rem;
  color: var(--color-text-soft);
  margin-top: 1.5rem;
}

/* ==========================================================================
   Project cards
   ========================================================================== */

.project-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (min-width: 700px) {
  .project-grid { grid-template-columns: repeat(3, 1fr); }
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-card__body {
  padding: 1.1rem 1.1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.project-card__body p { margin: 0; }

.project-card__stack {
  font-size: 0.82rem;
  color: var(--color-text-soft);
}

.project-card__stack span {
  display: inline-block;
  background: var(--color-accent-soft);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  margin: 0 0.25rem 0.25rem 0;
}

.project-card__link { margin-top: auto; font-weight: 600; }

.project-card__shot {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 1px solid var(--color-border);
}

/* ==========================================================================
   Experience / company badges

   NOTE: badges are stylized text monograms, NOT official company logos
   (trademarks belong to their owners). To use a real logo you have rights
   to, drop an image into the .company-badge and hide the text.
   ========================================================================== */

.experience {
  list-style: none;
  margin: 1.5rem 0 0.5rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.experience__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.1rem;
  align-items: start;
}

.company-badge {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
  letter-spacing: 0.01em;
  box-shadow: var(--shadow-card);
  /* gentle float; disabled under prefers-reduced-motion below */
  animation: badge-float 4.5s ease-in-out infinite;
  will-change: transform;
}

/* Per-company tint (brand-ish colors, used only as styling — not logos). */
.company-badge--cox      { background: #0071c5; }
.company-badge--ups      { background: #5a3a22; }
.company-badge--gm       { background: #1a5fab; }
.company-badge--apple    { background: #333333; }
.company-badge--proforma { background: #a02c2c; }

/* Stagger the float so they don't bob in unison. */
.experience__item:nth-child(2) .company-badge { animation-delay: 0.7s; }
.experience__item:nth-child(3) .company-badge { animation-delay: 1.4s; }
.experience__item:nth-child(4) .company-badge { animation-delay: 2.1s; }
.experience__item:nth-child(5) .company-badge { animation-delay: 2.8s; }

@keyframes badge-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-7px); }
}

@media (prefers-reduced-motion: reduce) {
  .company-badge { animation: none; }
}

.experience__body h3 { margin: 0 0 0.15rem; }

.experience__role { font-weight: 400; color: var(--color-text-soft); }

.experience__meta {
  font-size: 0.85rem;
  color: var(--color-text-soft);
  margin: 0 0 0.5rem;
}

.experience__body p:last-child { margin-bottom: 0; }

/* ==========================================================================
   Skill tags (career page)
   ========================================================================== */

.skill-group { margin-bottom: 1.1rem; }

.skill-group h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-accent);
  margin: 0 0 0.5rem;
}

.tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tags li {
  background: var(--color-accent-soft);
  color: var(--color-text);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  font-size: 0.85rem;
}

/* ==========================================================================
   Education / courses
   ========================================================================== */

.education-school {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0.75rem;
  margin-bottom: 0.35rem;
}

.education-school h3 { margin: 0; }

.education-school .education-meta {
  color: var(--color-text-soft);
  font-size: 0.9rem;
}

.course-columns {
  display: grid;
  gap: 1.5rem;
  margin: 1.25rem 0 0.5rem;
}

@media (min-width: 600px) {
  .course-columns { grid-template-columns: 1fr 1fr; }
}

.course-group h4 {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-accent);
}

.course-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.course-list li {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 0.6rem 0.8rem;
  font-size: 0.95rem;
}

.course-list li .course-code {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-soft);
}

.course-list--planned li {
  background: transparent;
  border-style: dashed;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  font-size: 0.9rem;
}

.site-footer__inner {
  max-width: var(--content-width-wide);
  margin: 0 auto;
  padding: 1.5rem var(--space);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
}

.site-footer a { color: inherit; }

/* ==========================================================================
   404
   ========================================================================== */

.error-page {
  text-align: center;
  padding-top: 4rem;
}

.error-page .error-code {
  font-size: 5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.25em;
}