/* ════════════════════════════════════════════════════════════════════════════ */
/* RAHEELSID.COM PROFESSIONAL WEBSITE STYLES */
/* ════════════════════════════════════════════════════════════════════════════ */

/* ──────────────────────── COLOR PALETTE ────────────────────────── */
:root {
  --white: #ffffff;
  --off-white: #f7f8fa;
  --light-gray: #eef0f4;
  --mid-gray: #c8cdd8;
  --muted: #7a8398;
  --black: #0d0f14;
  --navy: #0f2044;
  --navy-mid: #1a3360;
  --navy-light: #1e3d72;
  --navy-pale: #e8edf5;
  --accent: #d4af37;
  --rule: rgba(15, 32, 68, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--white);
  color: var(--black);
  font-family: 'Cormorant Garamond', Georgia, serif;
  overflow-x: hidden;
  cursor: default;
  line-height: 1.6;
  font-weight: 400;
}

/* ──────────────────────── NAVIGATION ────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 40px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}

.nav-logo-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.logo-link {
  display: inline-block;
  margin-bottom: 4px;
  transition: opacity 0.3s ease;
}

.logo-link:hover {
  opacity: 0.8;
}

.nav-logo-image {
  height: 54px;
  width: auto;
  max-width: 70px;
  object-fit: contain;
}

.nav-name {
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  font-family: 'DM Mono', monospace;
  font-weight: 500;
  line-height: 1.1;
}

.nav-title {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 300;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.3s, transform 0.2s;
}

.nav-links a:hover {
  color: var(--navy);
  transform: translateY(-2px);
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid var(--navy);
  border-radius: 2px;
  background: var(--navy);
  color: var(--white);
  text-decoration: none;
  transition: background 0.3s, transform 0.2s, color 0.3s;
}

.nav-btn:hover {
  background: var(--navy-light);
  color: var(--white);
  transform: translateY(-2px);
}

/* ──────────────────────── HERO SECTION ────────────────────────── */
.hero {
  min-height: 90vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  overflow: hidden;
  margin-top: 60px;
}

.hero-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 60px;
  background: var(--white);
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--navy);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(15, 32, 68, 0.08);
  border-left: 4px solid var(--navy);
  border-radius: 2px;
  margin-bottom: 30px;
  max-width: 520px;
}

.badge-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--navy);
  color: var(--white);
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border-radius: 4px;
  flex-shrink: 0;
}

.hero-badge p {
  margin: 0;
  color: var(--navy);
  font-size: 14px;
  line-height: 1.6;
  max-width: 420px;
}

.hero-credential-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.cred-pill {
  font-family: 'DM Mono', monospace;
  font-size: 9.5px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--navy);
  border: 1px solid rgba(15, 32, 68, 0.25);
  padding: 5px 12px;
  background: var(--navy-pale);
  border-radius: 2px;
}

h1 {
  font-size: clamp(44px, 5.5vw, 80px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
  color: var(--black);
}

h1 em {
  font-style: italic;
  color: var(--navy-light);
}

.hero-title-line {
  font-size: clamp(18px, 2.2vw, 28px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.3;
  margin-bottom: 28px;
  color: var(--navy);
  font-family: 'Cormorant Garamond', serif;
}

.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: var(--black);
  max-width: 460px;
  font-weight: 400;
  margin-bottom: 40px;
}

.hero-cta-group {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--navy);
  color: var(--white);
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 16px 36px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
  border-radius: 2px;
  box-shadow: 0 4px 14px rgba(15, 32, 68, 0.24);
}

.btn-primary:hover {
  background: var(--navy-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 32, 68, 0.15);
}

.btn-secondary {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border: 1px solid rgba(15, 32, 68, 0.16);
  border-radius: 2px;
  transition: background 0.3s, color 0.3s, transform 0.2s, border-color 0.3s;
}

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

.btn-secondary::after {
  content: '→';
  font-size: 14px;
  transition: transform 0.2s;
}

.btn-secondary:hover::after {
  transform: translateX(4px);
}

/* ──────────────────────── HERO RIGHT ────────────────────────── */
.hero-right {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.hero-visual {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 70% at 55% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse 40% 50% at 80% 80%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
}

.hero-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.13;
}

.hero-stats {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 60px 48px;
  z-index: 2;
}

.stat-card {
  width: 100%;
  max-width: 300px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 22px 28px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  gap: 20px;
  animation: float 7s ease-in-out infinite;
  border-radius: 2px;
}

.stat-card:nth-child(2) {
  animation-delay: -2.3s;
}

.stat-card:nth-child(3) {
  animation-delay: -4.6s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

.stat-val {
  font-size: 36px;
  font-weight: 300;
  color: var(--white);
  line-height: 1;
  white-space: nowrap;
}

.stat-val span {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.45);
}

.stat-label {
  font-family: 'DM Mono', monospace;
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 3px;
}

.stat-sub {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 300;
}

.scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-8px);
  }
}

.scroll-arrow {
  width: 1px;
  height: 24px;
  background: rgba(255, 255, 255, 0.3);
  position: relative;
}

.scroll-arrow::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: -3px;
  width: 8px;
  height: 8px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

/* ──────────────────────── SECTIONS ────────────────────────── */
.section {
  padding: 80px 60px;
}

.section-alt {
  background: var(--off-white);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.section-navy {
  background: var(--navy);
}

.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--navy);
}

.section-label.light {
  color: rgba(255, 255, 255, 0.4);
}

.section-label.light::before {
  background: rgba(255, 255, 255, 0.25);
}

h2 {
  font-size: clamp(30px, 3.5vw, 50px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  color: var(--black);
}

h2 em {
  font-style: italic;
  color: var(--navy-light);
}

h2.light {
  color: var(--white);
}

h2.light em {
  color: rgba(255, 255, 255, 0.45);
}

.section-intro {
  font-size: 18px;
  line-height: 1.8;
  color: var(--black);
  font-weight: 400;
  max-width: 700px;
  margin-bottom: 64px;
}

.section-intro.light {
  color: rgba(255, 255, 255, 0.55);
}

/* ──────────────────────── GRID LAYOUTS ────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 56px;
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

/* ──────────────────────── INFO CARDS ────────────────────────── */
.info-card {
  padding: 40px 36px;
  border: 1px solid var(--rule);
  background: var(--white);
  position: relative;
  overflow: hidden;
  transition: background 0.3s, transform 0.3s;
  border-radius: 2px;
}

.info-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(to right, var(--navy), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}

.info-card:hover {
  background: var(--navy-pale);
  transform: translateY(-4px);
}

.info-card:hover::before {
  transform: scaleX(1);
}

.info-card-num {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--navy);
  opacity: 0.5;
  margin-bottom: 20px;
}

.info-card h3 {
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 12px;
  color: var(--black);
}

.info-card p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  font-weight: 400;
}

/* ──────────────────────── SERVICE BLOCKS ────────────────────────── */
.service-block {
  padding: 40px 0;
  border-bottom: 1px solid var(--rule);
}

.service-block:last-child {
  border-bottom: none;
}

.service-block h3 {
  font-size: 24px;
  font-weight: 400;
  margin-bottom: 16px;
  color: var(--black);
}

.service-block p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 24px;
  font-weight: 400;
}

.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-list li {
  font-size: 15px;
  color: var(--muted);
  padding-left: 24px;
  position: relative;
}

.service-list li::before {
  content: '▪';
  position: absolute;
  left: 0;
  color: var(--navy);
}

/* ──────────────────────── PUBLICATIONS ────────────────────────── */
.pub-card {
  padding: 40px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 2px;
  transition: background 0.3s;
}

.pub-card:hover {
  background: rgba(255, 255, 255, 0.08);
}

.pub-card h3 {
  font-size: 18px;
  font-weight: 400;
  margin-bottom: 12px;
  color: var(--white);
}

.pub-card p {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 300;
  margin-bottom: 8px;
}

.pub-meta {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 16px !important;
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.7);
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 12px 24px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: border-color 0.3s, color 0.3s;
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
}

.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--white);
}

/* ──────────────────────── CREDENTIALS ────────────────────────── */
.credentials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-top: 56px;
}

.cred-item {
  padding: 36px;
  border: 1px solid var(--rule);
  background: var(--white);
  border-radius: 2px;
}

.cred-type {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 12px;
}

.cred-item h3 {
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 8px;
  color: var(--black);
}

.cred-item p {
  font-size: 14px;
  color: var(--muted);
  font-weight: 300;
}

/* ──────────────────────── CONTACT SECTION ────────────────────────── */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-top: 56px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.form-group input,
.form-group textarea {
  padding: 16px 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  font-family: 'Cormorant Garamond', serif;
  font-size: 15px;
  border-radius: 2px;
  transition: border-color 0.3s, background 0.3s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.12);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-info h3 {
  font-size: 24px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 16px;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.info-item .label {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
}

.info-item a,
.info-item p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s;
}

.info-item a:hover {
  color: var(--white);
}

.social-links {
  display: flex;
  gap: 20px;
}

.social-links a {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ──────────────────────── FOOTER ────────────────────────── */
.footer {
  background: var(--black);
  color: var(--white);
  padding: 80px 80px 40px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 60px;
  margin-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 60px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 400;
  margin-bottom: 16px;
  color: var(--white);
}

.footer-col p,
.footer-col ul {
  list-style: none;
}

.footer-col p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  font-family: 'DM Mono', monospace;
  letter-spacing: 0.05em;
}

/* ──────────────────────── DISSERTATION SECTION ────────────────────────── */
.dissertation-section {
  background: var(--off-white);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.dissertation-card {
  border: 1px solid var(--rule);
  padding: 48px;
  background: var(--white);
  border-radius: 2px;
  transition: box-shadow 0.3s, border-color 0.3s;
  margin-top: 48px;
}

.dissertation-card:hover {
  border-color: var(--navy);
  box-shadow: 0 12px 32px rgba(15, 32, 68, 0.08);
}

.diss-header {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 40px;
}

.diss-icon {
  font-size: 48px;
  flex-shrink: 0;
  opacity: 0.6;
}

.diss-header h3 {
  font-size: 24px;
  font-weight: 400;
  line-height: 1.3;
  color: var(--black);
  margin-bottom: 10px;
}

.diss-meta {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 300;
}

.diss-highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 32px;
  background: var(--navy-pale);
  margin-bottom: 32px;
  border-radius: 2px;
}

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

.highlight-label {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.6;
}

.highlight-value {
  font-size: 15px;
  font-weight: 400;
  color: var(--navy);
  line-height: 1.4;
}

.diss-description {
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 32px;
}

.diss-btn {
  margin-top: 16px;
}

/* ──────────────────────── RESPONSIVE ────────────────────────── */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-left {
    padding: 100px 60px;
  }

  .hero-right {
    min-height: 60vh;
  }

  .two-col,
  .credentials-grid {
    grid-template-columns: 1fr;
  }

  .three-col {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-container {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 20px;
    padding: 16px 30px;
  }

  .nav-links {
    gap: 20px;
  }

  .section {
    padding: 60px 30px;
  }

  .diss-highlights {
    grid-template-columns: repeat(2, 1fr);
  }

  .dissertation-card {
    padding: 32px;
  }

  .diss-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .section .hero-left {
    padding: 80px 30px;
  }

  h1 {
    font-size: clamp(32px, 4vw, 56px);
  }

  h2 {
    font-size: clamp(24px, 3vw, 40px);
  }

  .three-col {
    grid-template-columns: 1fr;
  }

  .credentials-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-primary,
  .btn-outline {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: 12px 16px;
  }

  .nav-name {
    font-size: 12px;
  }

  .nav-title {
    font-size: 8px;
  }

  .nav-links {
    display: none;
  }

  .section {
    padding: 40px 20px;
  }

  .diss-highlights {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 24px;
  }

  .dissertation-card {
    padding: 24px;
  }

  .diss-header h3 {
    font-size: 18px;
  }

  .hero-left {
    padding: 60px 20px !important;
  }

  .hero-desc {
    max-width: 100%;
  }

  .hero-stats {
    padding: 40px 20px;
  }

  .stat-card {
    max-width: 100%;
  }

  .stat-val {
    font-size: 28px;
  }

  .contact-form {
    gap: 16px;
  }

  .form-group input,
  .form-group textarea {
    padding: 12px 16px;
  }
}