/* ============================================================
   YONAS CONNOR TEKLEAB — styles.css
   Mobile-first · Dark theme · Glassmorphism · Scroll reveals
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  --clr-bg:        #0B1426;
  --clr-bg-alt:    #101d35;
  --clr-surface:   rgba(45, 95, 160, 0.12);
  --clr-glass:     rgba(45, 95, 160, 0.15);
  --clr-glass-border: rgba(240, 240, 255, 0.08);
  --clr-amber:     #F5A623;
  --clr-amber-glow: rgba(245, 166, 35, 0.25);
  --clr-blue:      #2D5FA0;
  --clr-blue-light:#4B8CD8;
  --clr-text:      #F0F0FF;
  --clr-text-muted: rgba(240, 240, 255, 0.6);
  --clr-text-dim:  rgba(240, 240, 255, 0.35);

  --ff-heading: 'Outfit', sans-serif;
  --ff-body:    'Inter', sans-serif;

  --fs-hero:  clamp(2.5rem, 6vw, 4.5rem);
  --fs-h2:    clamp(1.75rem, 4vw, 2.75rem);
  --fs-h3:    clamp(1.1rem, 2.5vw, 1.35rem);
  --fs-body:  clamp(0.95rem, 1.8vw, 1.05rem);
  --fs-small: 0.875rem;

  --radius-lg: 1.25rem;
  --radius-md: 0.875rem;
  --radius-sm: 0.5rem;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.25s var(--ease-out);
  --transition-med:  0.45s var(--ease-out);

  --space-section: clamp(4rem, 10vw, 7rem);
  --container-max: 1100px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font: inherit; color: inherit; }

/* ---------- Container ---------- */
.container {
  width: 90%;
  max-width: var(--container-max);
  margin-inline: auto;
}

/* ---------- Section ---------- */
.section {
  padding-block: var(--space-section);
  position: relative;
}
.section__heading {
  font-family: var(--ff-heading);
  font-size: var(--fs-h2);
  font-weight: 700;
  text-align: center;
  margin-bottom: 2.5rem;
  color: var(--clr-text);
}
.section__heading::after {
  content: '';
  display: block;
  width: 3rem;
  height: 3px;
  background: var(--clr-amber);
  border-radius: 4px;
  margin: 0.75rem auto 0;
}

/* ---------- Glass Card ---------- */
.glass-card {
  background: var(--clr-glass);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 2rem 1.5rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 0 0 1px rgba(240,240,255,0.06);
}

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1rem 0;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}
.nav.is-scrolled {
  background: rgba(11, 20, 38, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.3);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  font-family: var(--ff-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--clr-text);
  letter-spacing: -0.02em;
}
.nav__logo-dot { color: var(--clr-amber); }

.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  z-index: 110;
}
.nav__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.nav__toggle.is-open .nav__toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-open .nav__toggle-bar:nth-child(2) { opacity: 0; }
.nav__toggle.is-open .nav__toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__menu {
  position: fixed;
  top: 0; right: 0;
  width: min(280px, 80vw);
  height: 100dvh;
  background: rgba(11, 20, 38, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  transform: translateX(100%);
  transition: transform var(--transition-med);
}
.nav__menu.is-open { transform: translateX(0); }

.nav__link {
  font-family: var(--ff-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-amber);
  border-radius: 2px;
  transition: width var(--transition-fast);
}
.nav__link:hover,
.nav__link:focus-visible { color: var(--clr-text); }
.nav__link:hover::after,
.nav__link:focus-visible::after { width: 100%; }

@media (min-width: 768px) {
  .nav__toggle { display: none; }
  .nav__menu {
    position: static;
    width: auto;
    height: auto;
    background: none;
    backdrop-filter: none;
    flex-direction: row;
    transform: none;
    gap: 2.25rem;
  }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding-top: 5rem;
}
/* Hero full-width banner */
.hero__banner {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero__banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
}
.hero__banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(11, 20, 38, 0.45) 0%,
    rgba(11, 20, 38, 0.7) 50%,
    rgba(11, 20, 38, 0.95) 100%
  );
}

.hero__content { position: relative; z-index: 2; }

.hero__photo-frame {
  width: clamp(160px, 35vw, 220px);
  height: clamp(160px, 35vw, 220px);
  margin: 0 auto 2rem;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, var(--clr-amber), var(--clr-blue));
  box-shadow: 0 0 60px var(--clr-amber-glow);
}
.hero__photo-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(145deg, #1a2e4f, #0d1a30);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero__emoji { font-size: clamp(4rem, 12vw, 6rem); }

.hero__title {
  font-family: var(--ff-heading);
  font-size: var(--fs-hero);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 0.5rem;
}
.hero__name {
  background: linear-gradient(135deg, var(--clr-amber), #ffd580);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--clr-text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 2.5rem;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ff-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--clr-bg);
  background: var(--clr-amber);
  padding: 0.85rem 2rem;
  border-radius: 100px;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}
.hero__cta:hover,
.hero__cta:focus-visible {
  background: #ffc04d;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--clr-amber-glow);
}
.hero__cta-arrow {
  transition: transform var(--transition-fast);
}
.hero__cta:hover .hero__cta-arrow {
  transform: translateY(3px);
}

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: var(--clr-bg-alt); }
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 640px) {
  .about__grid { grid-template-columns: repeat(2, 1fr); }
}
.about__card {
  text-align: center;
}
.about__icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.75rem;
}
.about__card-title {
  font-family: var(--ff-heading);
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--clr-amber);
  margin-bottom: 0.5rem;
}
.about__card-text {
  color: var(--clr-text-muted);
  font-size: var(--fs-body);
  line-height: 1.65;
}

/* ============================================================
   GALLERY
   ============================================================ */
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
@media (min-width: 768px) {
  .gallery__grid { grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
}
.gallery__item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.gallery__placeholder {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-med);
}
.gallery__item:hover .gallery__placeholder { transform: scale(1.05); }

.gallery__placeholder--1 { background: linear-gradient(135deg, #1a3a5c, #2D5FA0); }
.gallery__placeholder--2 { background: linear-gradient(135deg, #2a1f42, #4a3670); }
.gallery__placeholder--3 { background: linear-gradient(135deg, #1b3220, #2d6b40); }
.gallery__placeholder--4 { background: linear-gradient(135deg, #3a1f1f, #8b4040); }
.gallery__placeholder--5 { background: linear-gradient(135deg, #1a2e4f, #F5A623); }
.gallery__placeholder--6 { background: linear-gradient(135deg, #0d2240, #2D5FA0); }

.gallery__emoji {
  font-size: 2.5rem;
  opacity: 0.6;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}
.gallery__item:hover .gallery__emoji {
  opacity: 1;
  transform: scale(1.15);
}
.gallery__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.75rem 1rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  font-family: var(--ff-heading);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--clr-text);
}

/* ============================================================
   MILESTONES / TIMELINE
   ============================================================ */
.milestones { background: var(--clr-bg-alt); }

.timeline {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  padding-left: 2.5rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0.75rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--clr-amber), var(--clr-blue), transparent);
  border-radius: 2px;
}
.timeline__item {
  position: relative;
  margin-bottom: 2.5rem;
}
.timeline__item:last-child { margin-bottom: 0; }

.timeline__marker {
  position: absolute;
  left: -2.5rem;
  top: 1.5rem;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--clr-bg);
  border: 2px solid var(--clr-amber);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
.timeline__marker-emoji { font-size: 0.85rem; }

.timeline__card { padding: 1.5rem; }
.timeline__title {
  font-family: var(--ff-heading);
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--clr-amber);
  margin-bottom: 0.35rem;
}
.timeline__desc {
  color: var(--clr-text-muted);
  line-height: 1.65;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  text-align: center;
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--clr-glass-border);
}
.footer__family {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  color: var(--clr-text-muted);
}
.footer__family strong { color: var(--clr-text); }

.footer__links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.footer__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--ff-heading);
  font-weight: 600;
  font-size: var(--fs-small);
  color: var(--clr-blue-light);
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--clr-glass-border);
  border-radius: 100px;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}
.footer__link:hover,
.footer__link:focus-visible {
  color: var(--clr-amber);
  border-color: var(--clr-amber);
  background: rgba(245, 166, 35, 0.06);
}
.footer__link-icon { flex-shrink: 0; }
.footer__divider { color: var(--clr-text-dim); }

.footer__copy {
  font-size: var(--fs-small);
  color: var(--clr-text-dim);
}

/* ============================================================
   CINEMATIC SLIDESHOW
   ============================================================ */
.slideshow-cinema { position: relative; width: 100%; max-width: 750px; margin: 0 auto; aspect-ratio: 1/1; border-radius: 24px; overflow: hidden; background: #000; box-shadow: 0 20px 60px rgba(0,0,0,0.5); border: 1px solid rgba(245, 240, 232, 0.08); }
.slideshow-track { position: absolute; inset: 0; }
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s ease-in-out; will-change: opacity; }
.slide.active { opacity: 1; }
.slide img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }
.slideshow-counter { position: absolute; top: 1rem; right: 1.25rem; font-size: 0.75rem; font-weight: 500; color: rgba(255,255,255,0.7); background: rgba(0,0,0,0.45); backdrop-filter: blur(8px); padding: 0.35rem 0.85rem; border-radius: 999px; z-index: 5; }
.slideshow-progress { position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: rgba(255,255,255,0.1); z-index: 5; }
.slideshow-progress-bar { height: 100%; width: 0%; background: linear-gradient(90deg, #2D6A4F, #40916C); transition: width 0.15s linear; }
.slideshow-prev, .slideshow-next { position: absolute; top: 50%; transform: translateY(-50%); z-index: 5; width: 44px; height: 44px; border-radius: 50%; background: rgba(0,0,0,0.35); backdrop-filter: blur(8px); color: rgba(255,255,255,0.8); font-size: 1.6rem; display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s, background 0.3s; border: 1px solid rgba(255,255,255,0.1); cursor: pointer; }
.slideshow-cinema:hover .slideshow-prev, .slideshow-cinema:hover .slideshow-next { opacity: 1; }
.slideshow-prev { left: 0.75rem; }
.slideshow-next { right: 0.75rem; }

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

/* ---------- Utility: stagger reveals ---------- */
.about__card:nth-child(2) .reveal,
.about__card:nth-child(2) { transition-delay: 0.1s; }
.about__card:nth-child(3) .reveal,
.about__card:nth-child(3) { transition-delay: 0.2s; }
.about__card:nth-child(4) .reveal,
.about__card:nth-child(4) { transition-delay: 0.3s; }

.timeline__item:nth-child(2) { transition-delay: 0.12s; }
.timeline__item:nth-child(3) { transition-delay: 0.24s; }
.timeline__item:nth-child(4) { transition-delay: 0.36s; }