/* ============================================================
   Rehan Touqir — Portfolio
   Light / Minimal style. Pure CSS. Mobile-first.
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  --bg: #FFFFFF;
  --bg-alt: #FAFAFA;
  --text: #111111;
  --text-secondary: #666666;
  --border: #EEEEEE;
  --accent: #2563EB;
  --dark: #111111;
  --dark-hover: #000000;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.2s ease;
  --container: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

::selection {
  background: var(--accent);
  color: #fff;
}

/* ---------- Icons ---------- */
.icon-sm      { width: 18px; height: 18px; }
.icon-xs      { width: 15px; height: 15px; }
.icon-badge   { width: 14px; height: 14px; flex-shrink: 0; }
.icon-verified { width: 24px; height: 24px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border: 1px solid var(--dark);
  background: var(--dark);
  color: #fff;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  line-height: 1.2;
}

.btn:hover {
  background: var(--dark-hover);
  border-color: var(--dark-hover);
}

.btn--full {
  width: 100%;
}

/* ---------- Section base ---------- */
.section-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

section {
  padding: 88px 0;
}

/* ---------- Fade-in (Intersection Observer) ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================================
   1. Navigation
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.nav__links {
  display: none;
  gap: 32px;
}

.nav__links a,
.nav__mobile a {
  font-size: 15px;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.nav__links a:hover,
.nav__mobile a:hover {
  color: var(--accent);
}

.nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
}

.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 24px 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile a {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.nav__mobile a:last-child {
  border-bottom: none;
}

@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }
  .nav__toggle {
    display: none;
  }
  .nav__mobile {
    display: none !important;
  }
}

/* ============================================================
   2. Hero
   ============================================================ */
.hero {
  padding: 64px 0 88px;
  background: var(--bg);
}

.hero__inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
}

.hero__avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 1px solid var(--border);
  overflow: hidden;
  background: var(--bg-alt);
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__name {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.hero__name .verified {
  display: inline-flex;
  color: var(--accent);
}

.hero__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-top: 8px;
}

.hero__bio {
  max-width: 620px;
  color: var(--text-secondary);
  margin-top: 16px;
  font-size: 16px;
}

.hero__bio strong {
  color: var(--text);
  font-weight: 600;
}

.hero__text .btn {
  margin-top: 28px;
}

@media (min-width: 768px) {
  .hero__name {
    font-size: 40px;
  }
  .hero__title {
    font-size: 20px;
  }
}
/* ============================================================
   3. Featured Project
   ============================================================ */
.featured {
  background: var(--bg-alt);
}

.featured__card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  overflow: hidden;
}

.featured__mockup {
  border-bottom: 1px solid var(--border);
}

.mockup__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}

.mockup__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #D9D9D9;
}

.mockup__body {
  display: flex;
  min-height: 240px;
}

.mockup__sidebar {
  display: none;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  border-right: 1px solid var(--border);
  width: 140px;
}

.mockup__s-line {
  height: 8px;
  border-radius: 4px;
  background: #ECECEC;
}

.mockup__content {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mockup__c-header {
  height: 14px;
  width: 45%;
  border-radius: 4px;
  background: #ECECEC;
}

.mockup__c-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.mockup__c-card {
  height: 56px;
  border-radius: var(--radius-sm);
  background: #F4F4F4;
  border: 1px solid var(--border);
}

.mockup__c-lines {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mockup__line {
  height: 7px;
  border-radius: 4px;
  background: #F0F0F0;
}

.w40 { width: 40%; }
.w60 { width: 60%; }
.w70 { width: 70%; }
.w80 { width: 80%; }
.w90 { width: 90%; }

.featured__info {
  padding: 28px;
}

.featured__title {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.featured__desc {
  color: var(--text-secondary);
  margin-top: 12px;
  font-size: 15px;
}

.featured__info .badges {
  margin-top: 20px;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  transition: gap var(--transition);
}

.link-arrow:hover {
  gap: 10px;
}

@media (min-width: 768px) {
  .mockup__sidebar {
    display: flex;
  }
  .featured__card {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
  }
  .featured__mockup {
    border-bottom: none;
    border-right: 1px solid var(--border);
  }
  .mockup__body {
    min-height: 300px;
  }
}

/* ---------- Badges / Pills ---------- */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  background: #F4F4F4;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.badge--sm {
  padding: 5px 10px;
  font-size: 12px;
}
/* ============================================================
   4. Experience (Timeline)
   ============================================================ */
.experience {
  background: var(--bg);
}

.timeline {
  display: flex;
  flex-direction: column;
}

.timeline__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 28px 0;
  border-top: 1px solid var(--border);
}

.timeline__row:first-child {
  border-top: none;
  padding-top: 0;
}

.timeline__date {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.timeline__role {
  font-size: 16px;
  font-weight: 600;
}

.timeline__company {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.timeline__desc {
  font-size: 15px;
  color: var(--text-secondary);
  margin-top: 10px;
  max-width: 640px;
}

@media (min-width: 768px) {
  .timeline__row {
    grid-template-columns: 180px 1fr;
    gap: 40px;
  }
}

/* ============================================================
   5. Projects
   ============================================================ */
.projects {
  background: var(--bg-alt);
}

.projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.project-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.project-card:hover {
  border-color: #D9D9D9;
}

.project-card__preview {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F7F7F7;
  border-bottom: 1px solid var(--border);
}

.preview--bambi,
.preview--gym {
  background:
    linear-gradient(135deg, #F7F7F7 60%, #EFEFEF 60%);
}

.preview__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
}

.project-card__body {
  padding: 24px;
}

.project-card__body h3 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.project-card__body p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
}

.project-card__body .badges {
  margin-top: 16px;
}

@media (min-width: 768px) {
  .projects__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================================
   6. Technologies
   ============================================================ */
.skills {
  background: var(--bg);
}

.skills__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: #F4F4F4;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: border-color var(--transition), background var(--transition);
}

.tech-pill:hover {
  border-color: #D9D9D9;
  background: #F1F1F1;
}

/* ============================================================
   7. Training & Certifications
   ============================================================ */
.training {
  background: var(--bg-alt);
}

.training__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.training__card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--transition);
}

.training__card:hover {
  border-color: #D9D9D9;
}

.training__icon {
  width: 22px;
  height: 22px;
  color: var(--accent);
  margin-bottom: 16px;
}

.training__card h3 {
  font-size: 16px;
  font-weight: 600;
}

.training__card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
}

@media (min-width: 768px) {
  .training__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
/* ============================================================
   8. Education
   ============================================================ */
.education {
  background: var(--bg);
}

.education__card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  background: var(--bg);
}

.education__icon {
  width: 28px;
  height: 28px;
  color: var(--accent);
}

.education__right h3 {
  font-size: 18px;
  font-weight: 700;
}

.education__school {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.education__year {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  background: #F4F4F4;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
  margin-top: 12px;
}

.education__note {
  font-size: 15px;
  color: var(--text-secondary);
  margin-top: 12px;
  max-width: 620px;
}

@media (min-width: 768px) {
  .education__card {
    flex-direction: row;
    gap: 28px;
  }
}

/* ============================================================
   9. Contact / Let's Work Together
   ============================================================ */
.contact {
  background: var(--bg-alt);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.contact__info h2 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
  max-width: 460px;
}

.contact__info p {
  color: var(--text-secondary);
  margin-top: 16px;
  max-width: 440px;
  font-size: 15px;
}

.contact__details {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact__item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
}

.contact__item .icon-sm {
  color: var(--accent);
}

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

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

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form__group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.form__group input,
.form__group textarea {
  font-family: var(--font);
  font-size: 15px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  outline: none;
  transition: border-color var(--transition);
  resize: vertical;
}

.form__group input:focus,
.form__group textarea:focus {
  border-color: var(--accent);
}

.form__group input::placeholder,
.form__group textarea::placeholder {
  color: #9A9A9A;
}

@media (min-width: 768px) {
  .contact__grid {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
  }
  .contact__info h2 {
    font-size: 28px;
  }
}
/* ============================================================
   10. Footer
   ============================================================ */
.footer {
  background: var(--dark);
  color: #fff;
  padding: 32px 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer__inner p {
  font-size: 14px;
  color: #999;
}

.footer__links {
  display: flex;
  gap: 20px;
}

.footer__links a {
  color: #999;
  transition: color var(--transition);
}

.footer__links a:hover {
  color: #fff;
}

@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ============================================================
   11. Floating WhatsApp Button
   ============================================================ */
.float-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--dark);
  color: #fff;
  padding: 14px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font);
  z-index: 200;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
  transition: background var(--transition), box-shadow var(--transition);
}

.float-btn:hover {
  background: var(--dark-hover);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.24);
}

.float-btn__icon {
  width: 18px;
  height: 18px;
}

@media (max-width: 480px) {
  .float-btn span {
    display: none;
  }
  .float-btn {
    padding: 16px;
    border-radius: 50%;
  }
  .float-btn__icon {
    width: 22px;
    height: 22px;
  }
}