/* ============================================================
   AADIL — Personal Website
   style.css — All styles. Uses CSS variables defined below.
   Change colors in :root and [data-theme="dark"] only.
   ============================================================ */

/* ─── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul { list-style: none; }

/* ─── Design Tokens: Light Mode ─────────────────────────── */
:root {
  --bg:             #FFFFFF;
  --bg-subtle:      #F5F5F5;
  --bg-card:        #FFFFFF;
  --border:         #E0E0E0;
  --text-primary:   #0A0A0A;
  --text-secondary: #525252;
  --text-muted:     #A3A3A3;
  --accent:         #00C853;
  --accent-hover:   #00A846;
  --accent-subtle:  #E8FFF2;
  --shadow-sm:      0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:      0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg:      0 12px 40px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.06);
  --radius-sm:      8px;
  --radius-md:      14px;
  --radius-lg:      20px;
  --radius-full:    9999px;
  --nav-height:     64px;
  --transition:     200ms ease;
  --transition-md:  300ms ease;
}

/* ─── Design Tokens: Dark Mode ──────────────────────────── */
[data-theme="dark"] {
  --bg:             #0A0A0A;
  --bg-subtle:      #141414;
  --bg-card:        #141414;
  --border:         #1F1F1F;
  --text-primary:   #F5F5F5;
  --text-secondary: #8A8A8A;
  --text-muted:     #4A4A4A;
  --accent:         #1AE06A;
  --accent-hover:   #00C853;
  --accent-subtle:  #002D1A;
  --shadow-sm:      0 1px 3px rgba(0,0,0,0.5);
  --shadow-md:      0 4px 16px rgba(0,0,0,0.6);
  --shadow-lg:      0 12px 40px rgba(0,0,0,0.7);
}

/* ─── Typography ─────────────────────────────────────────── */
body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg);
  transition: background-color var(--transition-md), color var(--transition-md);
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
h3 { font-size: 1.2rem; }

p { color: var(--text-secondary); line-height: 1.75; }

/* ─── Layout ─────────────────────────────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
}

section:not(:last-child) {
  border-bottom: 1px solid var(--border);
}

/* ─── Navigation ─────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--transition-md), box-shadow var(--transition-md), backdrop-filter var(--transition-md);
}

.nav.scrolled {
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: color var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width var(--transition-md);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ─── Dark Mode Toggle ───────────────────────────────────── */
.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  transition: color var(--transition), background var(--transition), transform var(--transition);
}

.theme-toggle:hover {
  color: var(--accent);
  background: var(--accent-subtle);
  border-color: var(--accent);
  transform: rotate(15deg);
}

.theme-toggle svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-md);
}

.icon-sun { display: none; }
.icon-moon { display: block; }
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }

/* ─── Hamburger (mobile) ─────────────────────────────────── */
.nav-hamburger {
  display: none;
  width: 36px;
  height: 36px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.nav-hamburger span {
  display: block;
  height: 1.5px;
  background: var(--text-primary);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-mobile-drawer {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  flex-direction: column;
  gap: 4px;
  z-index: 99;
  animation: slideDown 200ms ease;
}

.nav-mobile-drawer.open { display: flex; }

.nav-mobile-drawer a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}

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

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Section Header ─────────────────────────────────────── */
.section-header {
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-subtle);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.section-header h2 {
  margin-bottom: 12px;
}

.section-header p {
  max-width: 560px;
  font-size: 1.05rem;
}

/* ─── Hero Section ───────────────────────────────────────── */
#hero {
  padding-top: calc(var(--nav-height) + 80px);
  padding-bottom: 100px;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 80px;
  align-items: center;
}

.hero-text { }

.hero-greeting {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-greeting::before {
  content: '';
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--accent);
}

.hero-name {
  margin-bottom: 8px;
}

.hero-tagline {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 300;
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.5;
}

.hero-bio {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 40px;
}

.hero-bio strong {
  color: var(--text-primary);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.btn-secondary:hover {
  border-color: var(--accent);
  background: var(--accent-subtle);
  transform: translateY(-1px);
}

.hero-socials {
  display: flex;
  align-items: center;
  gap: 12px;
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition);
}

.social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-subtle);
  transform: translateY(-2px);
}

.social-link svg { width: 17px; height: 17px; }

.hero-location {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ─── Hero Name Typewriter Cursor ────────────────────────── */
.hero-name-cursor {
  display: inline-block;
  color: var(--accent);
  font-weight: 300;
  animation: blink 0.7s step-end infinite;
  margin-left: 2px;
}

.hero-name-cursor.hidden { display: none; }

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ─── Hero Photo ─────────────────────────────────────────── */
.hero-photo-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-photo-frame {
  position: relative;
  width: 300px;
  height: 300px;
}

.hero-photo-bg {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--accent-subtle) 0%, var(--bg-subtle) 100%);
  transform: rotate(3deg);
  transition: transform var(--transition-md);
}

.hero-photo-wrap:hover .hero-photo-bg {
  transform: rotate(5deg);
}

.hero-photo {
  position: relative;
  width: 300px;
  height: 300px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-md);
}

.hero-photo-wrap:hover .hero-photo {
  transform: translateY(-4px);
}

.hero-photo-placeholder {
  position: relative;
  width: 300px;
  height: 300px;
  border-radius: var(--radius-lg);
  background: var(--bg-subtle);
  border: 2px dashed var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.85rem;
  box-shadow: var(--shadow-md);
}

.hero-photo-placeholder svg { width: 40px; height: 40px; opacity: 0.4; }

/* ─── Writing Section ────────────────────────────────────── */
#writing { background: var(--bg); }

.writing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.writing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform var(--transition-md), box-shadow var(--transition-md), border-color var(--transition);
  cursor: pointer;
}

.writing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.writing-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.writing-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-muted);
}

.writing-card h3 {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.4;
  transition: color var(--transition);
}

.writing-card:hover h3 { color: var(--accent); }

.writing-card p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-secondary);
  flex: 1;
}

.writing-read-more {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: 4px;
  transition: gap var(--transition);
}

.writing-card:hover .writing-read-more { gap: 10px; }

.writing-substack-cta {
  margin-top: 40px;
  text-align: center;
}

/* ─── Projects Section ───────────────────────────────────── */
#projects { background: var(--bg-subtle); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform var(--transition-md), box-shadow var(--transition-md), border-color var(--transition);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.project-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.project-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.project-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.status-live {
  background: #E8F5E9;
  color: #2E7D32;
}
[data-theme="dark"] .status-live {
  background: #1B3A1C;
  color: #81C784;
}
.status-live::before { background: #00A846; }

.status-in-progress {
  background: #FFF8E1;
  color: #E65100;
}
[data-theme="dark"] .status-in-progress {
  background: #2A1E0A;
  color: #FFB74D;
}
.status-in-progress::before { background: #FF8F00; }

.status-concept {
  background: var(--bg-subtle);
  color: var(--text-muted);
}
.status-concept::before { background: var(--text-muted); }

.project-links {
  display: flex;
  gap: 8px;
}

.project-link-icon {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.project-link-icon:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-subtle);
}

.project-link-icon svg { width: 14px; height: 14px; }

.project-card h3 {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-primary);
}

.project-card p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-secondary);
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-tag {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

/* ─── Work With Me Section ───────────────────────────────── */
#work-with-me { background: var(--bg); }

.work-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.work-offerings {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
}

.offering {
  display: flex;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  transition: border-color var(--transition), box-shadow var(--transition-md);
}

.offering:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.offering-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}

.offering-icon svg { width: 20px; height: 20px; }

.offering-text h4 {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.offering-text p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.offering-future {
  opacity: 0.7;
  border-style: dashed;
}

.offering-future-label {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-subtle);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-bottom: 6px;
}

/* ─── Contact Form ───────────────────────────────────────── */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.contact-form-wrap h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.contact-form-wrap > p {
  font-size: 0.9rem;
  margin-bottom: 28px;
  color: var(--text-secondary);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent);
}

.form-group textarea { min-height: 120px; }

.form-submit {
  width: 100%;
  padding: 13px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  margin-top: 4px;
}

.form-submit:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.form-submit:active { transform: translateY(0); }

.form-submit.success {
  background: var(--accent-hover);
  pointer-events: none;
}

/* ─── Footer ─────────────────────────────────────────────── */
footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-left {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  color: var(--text-secondary);
}

.footer-left span { color: var(--accent); }

.footer-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ─── Scroll Animations ──────────────────────────────────── */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate-delay="1"] { transition-delay: 100ms; }
[data-animate-delay="2"] { transition-delay: 200ms; }
[data-animate-delay="3"] { transition-delay: 300ms; }
[data-animate-delay="4"] { transition-delay: 400ms; }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr 280px;
    gap: 48px;
  }
  .hero-photo-frame,
  .hero-photo,
  .hero-photo-placeholder { width: 260px; height: 260px; }
  .work-inner { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
  section { padding: 72px 0; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero-photo-wrap { order: -1; }
  .hero-photo-frame,
  .hero-photo,
  .hero-photo-placeholder { width: 220px; height: 220px; }
  .hero-greeting { justify-content: center; }
  .hero-bio { margin: 0 auto 40px; }
  .hero-actions { justify-content: center; flex-direction: column; align-items: center; }
  .hero-actions .btn-secondary { width: 100%; justify-content: center; }
  .hero-socials { justify-content: center; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .contact-form-wrap { padding: 24px; }
  .writing-grid,
  .projects-grid { grid-template-columns: 1fr; }
}