/* ================================================================
   sections.css — All Section Layouts
   Hussain Patanwala Portfolio
================================================================ */

/* ── Section Base ─────────────────────────────────────────────── */
section {
  padding: 100px 5%;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 4px;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.2rem);
  color: var(--heading);
  margin-bottom: 60px;
  line-height: 1.1;
}

.section-title span {
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ================================================================
   HERO
================================================================ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 5% 80px;
  position: relative;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
  letter-spacing: 2px;
  margin-bottom: 32px;
  animation: fadeUp 0.8s 0.2s both;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse 1.5s infinite;
  flex-shrink: 0;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--heading);
  margin-bottom: 16px;
  animation: fadeUp 0.8s 0.35s both;
}

.hero-name span {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 40%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--muted);
  font-weight: 300;
  margin-bottom: 40px;
  animation: fadeUp 0.8s 0.5s both;
  line-height: 1.9;
}

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

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeUp 0.8s 0.65s both;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: fadeUp 0.8s 0.9s both;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(var(--cyan), transparent);
  animation: scrollAnim 1.5s ease infinite;
}

/* ================================================================
   ABOUT
================================================================ */
#about {
  background: var(--bg2);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-text p {
  color: var(--muted);
  margin-bottom: 20px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.about-text p strong {
  color: var(--text);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.subjects-list {
  list-style: none;
}

.subjects-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 0.95rem;
}

.subjects-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(var(--cyan), var(--purple));
  flex-shrink: 0;
}

/* ================================================================
   EXPERIENCE
================================================================ */
#experience {
  background: var(--bg3);
}

.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 14px;
  width: 2px;
  background: linear-gradient(var(--cyan), var(--purple), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 48px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: 6px;
  left: -32px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 0 12px var(--cyan);
}

/* ================================================================
   ACHIEVEMENTS
================================================================ */
#achievements {
  background: var(--bg2);
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

/* ================================================================
   PROJECTS
================================================================ */
#projects {
  background: var(--bg);
}

.filter-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

/* ================================================================
   SKILLS
================================================================ */
#skills {
  background: var(--bg2);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 32px;
}

/* ================================================================
   CONTACT
================================================================ */
#contact {
  background: var(--bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--heading);
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--muted);
  margin-bottom: 40px;
  line-height: 1.8;
}

.contact-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-links li a {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.25s, color 0.25s, transform 0.25s, background 0.25s;
}

.contact-links li a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.05);
  transform: translateX(6px);
}

.contact-links .icon {
  font-size: 1.2rem;
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  resize: vertical;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.4s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.1);
}

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

.form-msg {
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
  transition: all 0.3s;
}

.form-msg.success {
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  display: block;
}

.form-msg.error {
  background: rgba(236, 72, 153, 0.1);
  border: 1px solid var(--pink);
  color: var(--pink);
  display: block;
}

/* ================================================================
   FOOTER
================================================================ */
footer {
  padding: 40px 5%;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
}

.footer-brand {
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}