/* ============================================
   LUJAIN SHAHEEN — Executive Portfolio
   Design: Luxury Editorial Minimalism
   ============================================ */

:root {
  /* Colors */
  --black: #0a0a0a;
  --white: #fafaf9;
  --gray-50: #f5f5f4;
  --gray-100: #e7e5e4;
  --gray-200: #d6d3d1;
  --gray-300: #a8a29e;
  --gray-400: #78716c;
  --gray-500: #57534e;
  --gray-600: #44403c;
  --gray-700: #292524;
  --gray-800: #1c1917;
  --gold: #b8965a;
  --gold-light: #d4b88c;
  --gold-subtle: rgba(184, 150, 90, 0.08);

  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Outfit', -apple-system, sans-serif;

  /* Spacing */
  --section-pad: clamp(80px, 12vw, 160px);
  --container-max: 1200px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
strong { font-weight: 500; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 48px);
}

.hide-mobile { display: inline; }
@media (max-width: 768px) { .hide-mobile { display: none; } }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.5s var(--ease-out);
}

.nav--scrolled {
  background: rgba(250, 250, 249, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 0;
  box-shadow: 0 1px 0 rgba(0,0,0,0.04);
}

.nav__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--black);
}

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

.nav__links a {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-500);
  transition: color 0.3s;
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.4s var(--ease-out);
}

.nav__links a:hover { color: var(--black); }
.nav__links a:hover::after { width: 100%; }

.nav__cta {
  padding: 10px 24px !important;
  border: 1px solid var(--gray-200) !important;
  transition: all 0.3s !important;
}

.nav__cta:hover {
  border-color: var(--gold) !important;
  color: var(--gold) !important;
}

.nav__cta::after { display: none !important; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--black);
  transition: all 0.3s var(--ease-out);
}

@media (max-width: 900px) {
  .nav__toggle { display: flex; }

  .nav__links {
    position: fixed;
    top: 0; right: -100%;
    width: 100%; height: 100vh;
    background: var(--white);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    transition: right 0.5s var(--ease-out);
  }

  .nav__links.active { right: 0; }

  .nav__links a {
    font-size: 16px;
  }

  .nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 4px);
  }
  .nav__toggle.active span:nth-child(2) { opacity: 0; }
  .nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -4px);
  }
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--white);
  padding: 120px 24px 80px;
}

.hero__bg-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: clamp(120px, 18vw, 300px);
  font-weight: 300;
  color: transparent;
  -webkit-text-stroke: 1px rgba(0,0,0,0.03);
  letter-spacing: 0.05em;
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
}

.hero__content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero__label {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 24px;
}

.hero__name {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 300;
  color: var(--black);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 400;
  color: var(--gold);
  line-height: 1.4;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.hero__tagline {
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 300;
  color: var(--gray-400);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero__ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 36px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.4s var(--ease-out);
  border: none;
}

.btn--primary {
  background: var(--black);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--gray-700);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.btn--outline {
  background: transparent;
  color: var(--black);
  border: 1px solid var(--gray-200);
}

.btn--outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero__scroll span {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-300);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gray-300), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  padding: var(--section-pad) 0;
}

.section--dark {
  background: var(--gray-50);
}

.section__header {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.section__number {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--gold);
  font-weight: 400;
  letter-spacing: 0.05em;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 300;
  color: var(--black);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

/* ============================================
   ABOUT
   ============================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}

.about__lead {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 28px);
  font-weight: 400;
  color: var(--black);
  line-height: 1.5;
  margin-bottom: 24px;
}

.about__text p {
  margin-bottom: 16px;
  color: var(--gray-500);
}

.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  padding-top: 8px;
}

.stat {
  text-align: center;
  padding: 28px 16px;
  border: 1px solid var(--gray-100);
  background: var(--white);
}

.stat__number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(32px, 3.5vw, 42px);
  font-weight: 300;
  color: var(--black);
  line-height: 1;
  margin-bottom: 8px;
}

.stat__label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-400);
  font-weight: 400;
}

@media (max-width: 768px) {
  .about__grid { grid-template-columns: 1fr; }
}

/* ============================================
   EXPERIENCE
   ============================================ */
/* Featured Role */
.exp-featured {
  background: var(--white);
  border: 1px solid var(--gray-100);
  padding: clamp(32px, 5vw, 56px);
  margin-bottom: 56px;
  position: relative;
}

.exp-featured__badge {
  position: absolute;
  top: -1px; right: 40px;
  background: var(--gold);
  color: var(--white);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 8px 20px;
}

.exp-featured__grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
}

.exp-featured__date {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  display: block;
  margin-bottom: 12px;
}

.exp-featured__company {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 400;
  color: var(--black);
  margin-bottom: 4px;
}

.exp-featured__role {
  font-size: 14px;
  color: var(--gold);
  font-weight: 400;
}

.exp-featured__details ul {
  list-style: none;
}

.exp-featured__details li {
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
  color: var(--gray-500);
  font-size: 15px;
  border-bottom: 1px solid var(--gray-50);
}

.exp-featured__details li:last-child { border-bottom: none; }

.exp-featured__details li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 18px;
  width: 6px; height: 1px;
  background: var(--gold);
}

/* Royal Badge */
.exp-featured__royal {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--gray-100);
}

.royal-badge {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: linear-gradient(135deg, var(--gold-subtle), rgba(184, 150, 90, 0.03));
  border: 1px solid rgba(184, 150, 90, 0.15);
  padding: 24px 28px;
}

.royal-badge__icon {
  font-size: 24px;
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 2px;
}

.royal-badge__title {
  display: block;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 6px;
}

.royal-badge__desc {
  display: block;
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .exp-featured__grid { grid-template-columns: 1fr; gap: 24px; }
}

/* Timeline */
.timeline {
  position: relative;
}

.timeline__item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  padding: 40px 0;
  border-bottom: 1px solid var(--gray-100);
}

.timeline__item:last-child { border-bottom: none; }

.timeline__date {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  padding-top: 4px;
}

.timeline__content h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 4px;
}

.timeline__company {
  font-size: 14px;
  color: var(--gold);
  margin-bottom: 16px;
}

.timeline__content ul li {
  padding: 4px 0 4px 18px;
  position: relative;
  color: var(--gray-500);
  font-size: 14px;
}

.timeline__content ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 14px;
  width: 5px; height: 1px;
  background: var(--gray-300);
}

@media (max-width: 768px) {
  .timeline__item { grid-template-columns: 1fr; gap: 8px; }
}

/* ============================================
   ACHIEVEMENTS
   ============================================ */
.achievements__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gray-100);
  border: 1px solid var(--gray-100);
}

.achievement {
  background: var(--white);
  padding: clamp(28px, 3vw, 40px);
}

.achievement__icon {
  width: 36px; height: 36px;
  color: var(--gold);
  margin-bottom: 20px;
}

.achievement__icon svg {
  width: 100%; height: 100%;
}

.achievement h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 10px;
}

.achievement p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .achievements__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .achievements__grid { grid-template-columns: 1fr; }
}

/* ============================================
   SKILLS
   ============================================ */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.skill-group h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gold);
}

.skill-group ul li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--gray-500);
  border-bottom: 1px solid var(--gray-100);
}

.skill-group ul li:last-child { border-bottom: none; }

@media (max-width: 900px) {
  .skills__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .skills__grid { grid-template-columns: 1fr; }
}

/* ============================================
   CASE STUDIES
   ============================================ */
.cases { display: flex; flex-direction: column; gap: 2px; }

.case {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: clamp(32px, 4vw, 48px) 0;
  border-bottom: 1px solid var(--gray-100);
}

.case:last-child { border-bottom: none; }

.case__number {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 300;
  color: var(--gray-200);
  line-height: 1;
}

.case__content h3 {
  font-family: var(--font-display);
  font-size: clamp(24px, 2.5vw, 30px);
  font-weight: 400;
  color: var(--black);
  margin-bottom: 12px;
}

.case__meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.case__tag {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(184, 150, 90, 0.25);
  padding: 4px 14px;
  font-weight: 400;
}

.case__details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.case__field strong {
  display: block;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 8px;
  font-weight: 500;
}

.case__field p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .case { grid-template-columns: 1fr; gap: 12px; }
  .case__details { grid-template-columns: 1fr; gap: 20px; }
}

/* ============================================
   CERTIFICATIONS
   ============================================ */
.certs__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
}

.cert {
  background: var(--gray-50);
  padding: clamp(28px, 3vw, 40px);
}

.cert__year {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--gold);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.cert h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 4px;
}

.cert p {
  font-size: 13px;
  color: var(--gray-400);
}

@media (max-width: 768px) {
  .certs__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .certs__grid { grid-template-columns: 1fr; }
}

/* ============================================
   CONTACT
   ============================================ */
.section--contact {
  background: var(--black);
  color: var(--white);
}

.section--contact .section__title {
  color: var(--white);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
}

.contact__lead {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 28px);
  font-weight: 400;
  color: var(--white);
  line-height: 1.5;
  margin-bottom: 16px;
}

.contact__text p {
  color: var(--gray-400);
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.contact__link {
  display: flex;
  flex-direction: column;
  padding: 24px 0;
  border-bottom: 1px solid var(--gray-700);
  transition: all 0.3s var(--ease-out);
}

.contact__link:first-child { border-top: 1px solid var(--gray-700); }

.contact__link:hover {
  padding-left: 12px;
}

.contact__link-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.contact__link-value {
  font-size: 16px;
  color: var(--white);
  transition: color 0.3s;
}

.contact__link:hover .contact__link-value {
  color: var(--gold-light);
}

@media (max-width: 768px) {
  .contact__grid { grid-template-columns: 1fr; }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--black);
  border-top: 1px solid var(--gray-800);
  padding: 24px 0;
  text-align: center;
}

.footer p {
  font-size: 12px;
  color: var(--gray-600);
  letter-spacing: 0.05em;
}

/* ============================================
   ANIMATIONS
   ============================================ */
.anim-fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s var(--ease-out) forwards;
}

.anim-d1 { animation-delay: 0.15s; }
.anim-d2 { animation-delay: 0.3s; }
.anim-d3 { animation-delay: 0.45s; }
.anim-d4 { animation-delay: 0.6s; }
.anim-d5 { animation-delay: 0.85s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll-triggered reveals */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   SELECTION & SCROLLBAR
   ============================================ */
::selection {
  background: var(--gold);
  color: var(--white);
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--gray-50); }
::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

/* ============================================
   MAJOR PROJECTS (added section)
   ============================================ */
.section--major-projects {
  background: var(--gray-50);
}

.major-project {
  background: var(--white);
  border: 1px solid var(--gray-100);
  padding: clamp(28px, 4vw, 48px);
  margin-bottom: 24px;
}

.major-project:last-child { margin-bottom: 0; }

.major-project--featured {
  border-left: 3px solid var(--gold);
}

.major-project__header {
  margin-bottom: 24px;
}

.major-project__tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(184, 150, 90, 0.25);
  padding: 4px 14px;
  margin-bottom: 16px;
  font-weight: 400;
}

.major-project__header h3 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 28px);
  font-weight: 500;
  color: var(--black);
  line-height: 1.3;
  margin-bottom: 14px;
}

.major-project__desc {
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.7;
  max-width: 820px;
}

/* Image gallery */
.major-project__gallery {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: repeat(3, 180px);
  gap: 16px;
}

.major-project__img-link {
  display: block;
  overflow: hidden;
  background: var(--gray-50);
  position: relative;
  cursor: zoom-in;
  border-radius: 16px;
}

.major-project__img-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 16px;
  transition: transform 0.6s var(--ease-out);
}

.major-project__img-link:hover img {
  transform: scale(1.05);
}

/* Tall image on the right */
.major-project__img-link--tall {
  grid-column: 2;
  grid-row: 1 / span 3;
}

.major-project__img-link--tall img {
  object-position: center top;
}

/* Mobile */
@media (max-width: 900px) {
  .major-project__gallery {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .major-project__img-link {
    height: 240px;
  }

  .major-project__img-link--tall {
    grid-column: auto;
    grid-row: auto;
    height: 520px;
  }
}
/* Details (Role / Actions / Impact) */
.major-project__details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding-top: 8px;
  border-top: 1px solid var(--gray-100);
  padding-top: 24px;
}

.major-project__field strong {
  display: block;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 8px;
  font-weight: 500;
}

.major-project__field p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
}

.major-project__note {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--gray-100);
  font-size: 13px;
  font-style: italic;
  color: var(--gray-400);
  letter-spacing: 0.02em;
}

@media (max-width: 900px) {
  .major-project__gallery { grid-template-columns: repeat(2, 1fr); }
  .major-project__details { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 480px) {
  .major-project__gallery { grid-template-columns: 1fr; }
}