/* ============================================================
   LETTERBOXD-THEMED PORTFOLIO — style.css
   Author: @miabeyefendi
   ============================================================ */

/* ── CSS Custom Properties ── */
:root {
  --bg:           #14181C;
  --bg-card:      #1B2228;
  --bg-nav:       rgba(20, 24, 28, 0.92);
  --border:       #2C3440;
  --text-primary: #FFFFFF;
  --text-secondary: #99AABB;
  --accent-green: #00E054;
  --accent-orange: #FF8000;
  --accent-blue:  #40BCF4;
  --font:         'Inter', system-ui, -apple-system, sans-serif;
  --radius:       10px;
  --radius-lg:    16px;
  --transition:   0.25s ease;
  --shadow-glow:  0 0 20px rgba(0, 224, 84, 0.18);
  --shadow-card:  0 4px 24px rgba(0, 0, 0, 0.45);
}

/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

body {
  font-family: var(--font);
  background-color: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--accent-green); }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 3px;
  border-radius: 4px;
}

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

ul { list-style: none; }

/* ── Film Grain Overlay ── */
.film-grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 128px 128px;
}

/* ── Container ── */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--accent-green);
  border-radius: 6px;
  color: var(--bg);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition);
}

.nav__logo:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-glow);
  color: var(--bg);
}

.nav__links {
  display: flex;
  gap: 0.25rem;
}

.nav__link {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}

.nav__link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

/* ── Sections (shared) ── */
.section {
  padding: 6rem 0 4rem;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent-green);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 2.5rem;
  letter-spacing: -0.02em;
}

.section-sub {
  color: var(--text-secondary);
  margin-top: -1.75rem;
  margin-bottom: 2.5rem;
  font-size: 1rem;
}

.section-sub strong { color: var(--accent-green); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.btn--primary {
  background: var(--accent-green);
  color: #0a0e0f;
  border: 2px solid var(--accent-green);
}

.btn--primary:hover {
  background: #00c94b;
  color: #0a0e0f;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 224, 84, 0.35);
}

.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border);
}

.btn--outline:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 128, 0, 0.2);
}

.btn--ghost {
  background: transparent;
  color: var(--accent-green);
  border: 1.5px solid var(--accent-green);
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn--ghost:hover {
  background: rgba(0, 224, 84, 0.1);
  color: var(--accent-green);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 224, 84, 0.2);
}

/* ── Film Strip (Hero decoration) ── */
.film-strip {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 40px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0.12;
}

.film-strip--left  { left: 0; }
.film-strip--right { right: 0; }

.perforation-track {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 18px 0;
  width: 100%;
}

.perf {
  display: block;
  width: 16px;
  height: 12px;
  border: 2px solid var(--text-primary);
  border-radius: 3px;
  flex-shrink: 0;
}

/* ── Hero Section ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 1.25rem 4rem;
  overflow: hidden;
}

/* Subtle radial glow behind hero content */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(0, 224, 84, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero__avatar-wrap {
  display: inline-block;
  margin-bottom: 1.75rem;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-blue) 100%);
  animation: avatar-glow 3s ease-in-out infinite alternate;
}

@keyframes avatar-glow {
  from { box-shadow: 0 0 18px rgba(0, 224, 84, 0.4), 0 0 40px rgba(0, 224, 84, 0.15); }
  to   { box-shadow: 0 0 32px rgba(64, 188, 244, 0.5), 0 0 60px rgba(0, 224, 84, 0.2); }
}

.hero__avatar {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 3px solid var(--bg);
}

.hero__name {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--text-primary) 40%, var(--accent-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__tagline {
  font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  font-weight: 600;
  color: var(--accent-green);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero__subtitle {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 2.25rem;
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── About Section ── */
.about__content {
  max-width: 720px;
}

.about__bio {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.75rem;
}

.about__interests {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.35rem 0.85rem;
  border-radius: 2rem;
  transition: border-color var(--transition), background var(--transition);
}

.tag:hover {
  border-color: var(--accent-green);
  background: rgba(0, 224, 84, 0.08);
}

/* ── Projects Section ── */
.projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .projects__grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Glassmorphism Card ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 224, 84, 0.35);
  box-shadow: var(--shadow-card), 0 0 24px rgba(0, 224, 84, 0.12);
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card__lang {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.lang-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.lang-dot--python   { background: #3572A5; }
.lang-dot--markdown { background: #083fa1; }
.lang-dot--js       { background: #f1e05a; }
.lang-dot--html     { background: #e34c26; }

.card__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.card__subtitle {
  font-size: 0.85rem;
  color: var(--accent-green);
  font-weight: 500;
  margin-top: -0.4rem;
}

.card__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
}

.card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.badge {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 2rem;
  padding: 0.2rem 0.65rem;
  transition: border-color var(--transition), color var(--transition);
}

.card:hover .badge {
  border-color: rgba(0, 224, 84, 0.3);
  color: var(--text-primary);
}

.card__btn {
  align-self: flex-start;
  margin-top: 0.25rem;
}

/* ── Connect / Links Grid ── */
.links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

@media (min-width: 480px) {
  .links-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 768px) {
  .links-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
  .links-grid { grid-template-columns: repeat(5, 1fr); }
}

.link-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 1.1rem 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  text-decoration: none;
  transition: transform var(--transition), color var(--transition),
              border-color var(--transition), background var(--transition),
              box-shadow var(--transition);
  min-height: 90px;
}

.link-card:hover {
  color: var(--hover-color, var(--accent-green));
  border-color: var(--hover-color, var(--accent-green));
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.link-card__icon {
  font-size: 1.6rem;
  width: 1.6rem;
  height: 1.6rem;
  display: block;
  transition: transform var(--transition);
}

.link-card:hover .link-card__icon {
  transform: scale(1.15);
}

.link-card__name {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-align: center;
  line-height: 1.2;
}

/* ── Footer ── */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  margin-top: 4rem;
}

.footer__film-strip {
  background: var(--border);
  height: 32px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.footer__perfs {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 18px;
  width: 100%;
  overflow: hidden;
}

.footer__perfs .perf {
  width: 14px;
  height: 10px;
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  border-radius: 2px;
  flex-shrink: 0;
}

.footer__inner {
  text-align: center;
  padding-top: 2rem;
  padding-bottom: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.footer__directed {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
}

.footer__directed strong { color: var(--accent-green); }

.footer__copy {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer__powered {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.footer__powered a {
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer__powered a:hover { color: var(--accent-green); }

.footer__love {
  font-size: 0.82rem;
  color: var(--text-secondary);
  opacity: 0.75;
}

/* ── Fade-in on scroll ── */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Staggered children ── */
.fade-in:nth-child(2) { transition-delay: 0.08s; }
.fade-in:nth-child(3) { transition-delay: 0.16s; }
.fade-in:nth-child(4) { transition-delay: 0.24s; }
.fade-in:nth-child(5) { transition-delay: 0.32s; }

/* ── Responsive typography tweaks ── */
@media (max-width: 480px) {
  .nav__links .nav__link { padding: 0.35rem 0.5rem; font-size: 0.8rem; }
  .hero__cta { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 260px; justify-content: center; }
}