/* ─── VARIABLES & RESET ─────────────────────────────────────────── */
:root {
  --blue:        #0066cc;
  --blue-hover:  #004499;
  --dark:        #1d1d1f;
  --gray:        #6e6e73;
  --gray-light:  #86868b;
  --light:       #f5f5f7;
  --border:      rgba(0,0,0,0.08);
  --white:       #ffffff;
  --radius-xl:   28px;
  --radius-lg:   20px;
  --radius-md:   14px;
  --radius-pill: 980px;
  --shadow-sm:   0 2px 12px rgba(0,0,0,.06);
  --shadow-md:   0 8px 40px rgba(0,0,0,.08);
  --shadow-lg:   0 24px 60px rgba(0,0,0,.12);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text",
               "Helvetica Neue", Arial, sans-serif;
  background: var(--light);
  color: var(--dark);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -.01em;
  overflow-x: hidden;
}

h1,h2,h3,h4 {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display",
               "Helvetica Neue", Arial, sans-serif;
  letter-spacing: -.025em;
  font-weight: 700;
}
a { text-decoration:none; color:inherit; }
img { display:block; max-width:100%; }

/* ─── UTILITIES ─────────────────────────────────────────────────── */
.container { max-width:1060px; margin:0 auto; padding:0 24px; }
.section    { padding:108px 0; }
.bg-alt     { background:var(--white); }

.eyebrow {
  display:block;
  font-size:13px; font-weight:600; letter-spacing:.07em;
  text-transform:uppercase; color:var(--blue);
  margin-bottom:14px;
}
.section-title {
  font-size:clamp(38px,5vw,56px);
  font-weight:700; line-height:1.07;
  letter-spacing:-.025em;
  margin-bottom:16px;
}
.section-intro {
  font-size:18px; color:var(--gray);
  max-width:580px; line-height:1.65;
  margin-bottom:56px;
}

/* ─── NAV (Floating Pill) ───────────────────────────────────────── */
.navbar {
  position:fixed; top:20px; left:50%; transform:translateX(-50%);
  z-index:999;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border:1px solid rgba(255,255,255,.6);
  border-radius:var(--radius-pill);
  padding:10px 28px;
  box-shadow:0 4px 24px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.04);
}
.nav-links { list-style:none; display:flex; gap:28px; }
.nav-links a {
  font-size:13px; font-weight:500; color:var(--dark);
  opacity:.75; transition:opacity .2s, color .2s;
}
.nav-links a:hover { opacity:1; color:var(--blue); }

/* ─── HERO ──────────────────────────────────────────────────────── */
.hero {
  min-height:100vh;
  background:linear-gradient(160deg,#0a0a0a 0%,#141418 60%,#0d0d12 100%);
  display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  text-align:center;
  padding-top:100px; padding-bottom:80px;
  position:relative; overflow:hidden;
}
.hero-bg-grid {
  position:absolute; inset:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 80% 65% at 50% 50%,black 40%,transparent 100%);
}
.hero::before {
  content:'';
  position:absolute; inset:0; pointer-events:none;
  background:
    radial-gradient(ellipse 90% 55% at 50% 35%, rgba(0,102,204,.22) 0%,transparent 65%),
    radial-gradient(ellipse 35% 25% at 20% 85%, rgba(80,40,160,.08) 0%,transparent 60%);
}
.hero-inner { position:relative; z-index:1; }

.hero-badge {
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-pill); padding:6px 18px;
  font-size:13px; color:rgba(255,255,255,.6);
  margin-bottom:36px;
  backdrop-filter:blur(8px);
}
.hero-badge-dot {
  width:7px; height:7px; border-radius:50%;
  background:#34d399;
  box-shadow:0 0 8px rgba(52,211,153,.6);
  animation:dot-pulse 2.2s ease-in-out infinite;
}
@keyframes dot-pulse {
  0%,100% { box-shadow:0 0 8px rgba(52,211,153,.6); }
  50%      { box-shadow:0 0 16px rgba(52,211,153,.9); }
}

.hero-title {
  font-size:clamp(58px,10vw,108px);
  font-weight:700; line-height:1.02;
  letter-spacing:-.035em;
  background:linear-gradient(160deg,#fff 50%,rgba(255,255,255,.5));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  margin-bottom:24px;
}
.hero-subtitle {
  font-size:clamp(17px,2.2vw,22px);
  color:rgba(255,255,255,.5);
  max-width:560px; margin:0 auto 48px;
  line-height:1.65; font-weight:400;
}
.hero-actions {
  display:flex; gap:14px; justify-content:center;
  flex-wrap:wrap; margin-bottom:28px;
}
.hero-secondary-action { margin-top:4px; }
.hero-scroll-hint {
  position:absolute; bottom:36px; left:50%; transform:translateX(-50%);
  color:rgba(255,255,255,.2);
  animation:scroll-bounce 2s ease-in-out infinite;
}
@keyframes scroll-bounce {
  0%,100% { transform:translateX(-50%) translateY(0); }
  50%      { transform:translateX(-50%) translateY(7px); }
}

/* ─── BUTTONS ───────────────────────────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; justify-content:center;
  padding:13px 26px; border-radius:var(--radius-pill);
  font-size:15px; font-weight:500; cursor:pointer;
  transition:all .2s ease;
  border:none;
}
.btn-primary {
  background:var(--blue); color:#fff;
  box-shadow:0 4px 20px rgba(0,102,204,.3);
}
.btn-primary:hover { background:var(--blue-hover); transform:scale(1.02); }

.btn-ghost {
  background:rgba(255,255,255,.1); color:rgba(255,255,255,.85);
  border:1px solid rgba(255,255,255,.15);
}
.btn-ghost:hover { background:rgba(255,255,255,.16); transform:scale(1.02); }

.btn-ghost-dark {
  background:transparent; color:var(--dark);
  border:1px solid var(--border);
}
.btn-ghost-dark:hover { background:var(--light); }

.btn-secondary-outline {
  background:transparent; color:var(--blue);
  border:1.5px solid var(--blue);
  padding:12px 28px;
}
.btn-secondary-outline:hover { background:rgba(0,102,204,.06); }

.link-text {
  font-size:16px; color:rgba(255,255,255,.45); font-weight:500;
  transition:color .2s;
}
.link-text:hover { color:rgba(255,255,255,.7); }

/* ─── TIMELINE ──────────────────────────────────────────────────── */
.timeline-container {
  max-width:760px; margin:0 auto;
  position:relative;
}
.timeline-container::before {
  content:'';
  position:absolute; left:26px; top:0; bottom:0;
  width:2px; background:rgba(0,0,0,.07);
}
.timeline-chapter {
  position:relative; padding-left:76px;
  margin-bottom:36px;
}
.timeline-chapter:last-child { margin-bottom:0; }
.chapter-dot {
  position:absolute; left:0; top:0;
  width:54px; height:54px;
  background:var(--white); border:2px solid var(--dark);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:13px; font-weight:700; color:var(--dark);
  z-index:2;
  box-shadow:var(--shadow-sm);
}
.chapter-card {
  background:var(--white); border:1px solid var(--border);
  border-radius:var(--radius-xl); padding:40px 44px;
  transition:box-shadow .25s, transform .2s;
}
.chapter-card:hover { box-shadow:var(--shadow-md); transform:translateY(-2px); }
.highlight-chapter { border-color:rgba(0,102,204,.2); }
.highlight-chapter .chapter-dot { background:var(--dark); color:#fff; border-color:var(--dark); }
.chapter-title {
  font-size:22px; font-weight:700; margin-bottom:8px;
}
.chapter-lead {
  font-size:16px; color:var(--gray); margin-bottom:28px;
  font-style:italic;
}
.chapter-items { display:flex; flex-direction:column; gap:16px; }
.chapter-item {
  display:grid; grid-template-columns:110px 1fr; gap:16px;
  padding-top:16px; border-top:1px solid var(--border);
}
.chapter-item:first-child { padding-top:0; border-top:none; }
.item-label {
  font-size:11px; font-weight:700; letter-spacing:.06em;
  text-transform:uppercase; color:var(--gray-light);
  padding-top:2px;
}
.item-text { font-size:15px; color:var(--dark); line-height:1.6; }

/* ─── PROJECTS ──────────────────────────────────────────────────── */
.projects-grid {
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.project-card {
  background:var(--light); border:1px solid var(--border);
  border-radius:var(--radius-xl); padding:40px 36px;
  min-height:340px; cursor:pointer;
  display:flex; flex-direction:column; justify-content:space-between;
  transition:transform .3s cubic-bezier(.165,.84,.44,1),
              box-shadow .3s ease;
}
.project-card:hover {
  transform:scale(1.025) translateY(-4px);
  box-shadow:var(--shadow-lg);
}
.card-header-flex {
  display:flex; justify-content:space-between;
  align-items:center; margin-bottom:20px;
}
.card-logo-container { height:38px; display:flex; align-items:center; }
.card-logo { max-height:100%; max-width:130px; object-fit:contain; }
.card-tag {
  font-size:11px; font-weight:700; text-transform:uppercase;
  letter-spacing:.05em; color:var(--gray);
}
.card-title {
  font-size:30px; font-weight:700; margin-bottom:0;
  letter-spacing:-.02em; line-height:1.1;
}
.card-section { margin-top:auto; padding-top:20px; }
.card-label {
  font-size:11px; font-weight:700; letter-spacing:.06em;
  text-transform:uppercase; color:var(--gray);
  margin-bottom:4px; display:block;
}
.card-text { font-size:16px; color:var(--dark); }
.card-outcome {
  font-size:24px; font-weight:700; color:var(--blue);
  letter-spacing:-.01em; margin-top:4px; display:block;
}

/* ─── KNOWLEDGE ─────────────────────────────────────────────────── */
.filters-container {
  display:flex; flex-wrap:wrap; gap:10px;
  margin-bottom:32px;
}
.filter-chip {
  padding:9px 20px; border-radius:var(--radius-pill);
  background:rgba(0,0,0,.04); color:var(--gray);
  border:1px solid transparent;
  font-size:12px; font-weight:600; cursor:pointer;
  text-transform:uppercase; letter-spacing:.04em;
  transition:all .2s cubic-bezier(.165,.84,.44,1);
}
.filter-chip:hover { background:rgba(0,0,0,.08); color:var(--dark); }
.filter-chip.active {
  background:var(--dark); color:#fff;
  border-color:transparent;
}
.knowledge-grid {
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.knowledge-card {
  background:var(--light); border:1px solid transparent;
  border-radius:var(--radius-xl); padding:36px 32px;
  min-height:300px; cursor:pointer;
  display:flex; flex-direction:column; justify-content:space-between;
  transition:transform .3s cubic-bezier(.165,.84,.44,1),
              box-shadow .3s ease, border-color .2s;
}
.knowledge-card:hover {
  transform:scale(1.02) translateY(-3px);
  box-shadow:var(--shadow-md);
  border-color:rgba(0,102,204,.15);
}
.knowledge-card-title {
  font-size:20px; font-weight:700; line-height:1.25;
  margin:10px 0 5px; color:var(--dark); letter-spacing:-.015em;
}
.knowledge-card-author {
  font-size:12px; color:var(--gray);
  text-transform:uppercase; font-weight:600;
  letter-spacing:.05em; margin-bottom:14px;
}
.knowledge-card-body {
  font-size:14px; color:#48484a; line-height:1.6;
  flex:1;
  display:-webkit-box;
  -webkit-line-clamp:4;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.read-more-link {
  font-size:13px; font-weight:600; color:var(--blue);
  display:inline-block; margin-top:16px;
  transition:transform .2s ease, color .2s ease;
}
.knowledge-card:hover .read-more-link {
  color:var(--blue-hover);
  transform:translateX(4px);
}
.load-more-container { text-align:center; margin-top:48px; }

/* ─── PLAYBOOK ──────────────────────────────────────────────────── */
.playbook-section {
  background:#000;
  padding:108px 0;
}
.playbook-grid {
  display:grid; grid-template-columns:repeat(2,1fr);
  gap:20px; margin-top:56px;
}
.playbook-card {
  background:#0d0d0d; border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-xl); padding:48px 44px;
  transition:border-color .25s, background .25s, transform .2s;
}
.playbook-card:hover {
  border-color:rgba(0,102,204,.35);
  background:#101014;
  transform:translateY(-3px);
}
.playbook-icon { font-size:36px; margin-bottom:20px; display:block; }
.playbook-card h3 {
  font-size:22px; margin-bottom:14px; color:#fff;
}
.playbook-card p { font-size:16px; color:rgba(255,255,255,.45); line-height:1.7; }

/* ─── ABOUT ─────────────────────────────────────────────────────── */
.about-grid {
  display:grid; grid-template-columns:repeat(2,1fr);
  gap:20px; margin-top:56px;
}
.about-card {
  background:var(--light); border:1px solid var(--border);
  border-radius:var(--radius-xl); padding:44px 40px;
  transition:box-shadow .25s, transform .2s;
}
.about-card:hover { box-shadow:var(--shadow-md); transform:translateY(-2px); }
.about-card-title {
  font-size:11px; font-weight:700; letter-spacing:.07em;
  text-transform:uppercase; color:var(--gray);
  margin-bottom:24px;
}
.about-card-sub { font-size:14px; color:var(--gray); margin-bottom:20px; line-height:1.6; }

.values-list { list-style:none; display:flex; flex-direction:column; gap:20px; }
.values-list li {
  display:flex; align-items:flex-start; gap:14px;
}
.value-icon { font-size:8px; color:var(--blue); margin-top:6px; flex-shrink:0; }
.values-list strong { font-size:16px; font-weight:600; display:block; margin-bottom:3px; }
.values-list p { font-size:14px; color:var(--gray); line-height:1.55; }

.intl-list { list-style:none; display:flex; flex-direction:column; gap:2px; margin-top:4px; }
.intl-list li {
  display:flex; justify-content:space-between; align-items:center;
  padding:12px 0; border-bottom:1px solid var(--border);
}
.intl-list li:last-child { border-bottom:none; }
.intl-city { font-size:16px; font-weight:500; color:var(--dark); }
.intl-badge {
  font-size:12px; font-weight:600; color:var(--gray);
  background:rgba(0,0,0,.05); padding:4px 12px; border-radius:var(--radius-pill);
}

.about-seek-text {
  font-size:16px; color:var(--dark); line-height:1.7; margin-bottom:24px;
}
.seek-tags { display:flex; flex-wrap:wrap; gap:8px; }
.seek-tag {
  font-size:12px; font-weight:600;
  background:rgba(0,102,204,.08); color:var(--blue);
  padding:5px 13px; border-radius:var(--radius-pill);
  letter-spacing:.02em;
}

.contact-card-block { display:flex; flex-direction:column; }
.contact-big {
  font-size:52px; font-weight:700; letter-spacing:-.03em;
  color:var(--dark); margin-bottom:28px; line-height:1;
}
/* ─── FOOTER ────────────────────────────────────────────────────── */
.footer {
  background:var(--light); border-top:1px solid var(--border);
  padding:36px 0; text-align:center;
}
.footer p { font-size:13px; color:var(--gray); }

/* ─── MODALS ────────────────────────────────────────────────────── */
.modal,
.essay-modal {
  position:fixed; inset:0; z-index:2000;
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none;
  transition:opacity .3s ease;
}
.modal.open,
.essay-modal.open { opacity:1; pointer-events:auto; }

.modal-backdrop {
  position:absolute; inset:0;
  background:rgba(0,0,0,.32);
  backdrop-filter:blur(22px);
  -webkit-backdrop-filter:blur(22px);
}
.modal-content {
  position:relative; z-index:1;
  background:var(--white); width:90%; max-width:680px;
  border-radius:var(--radius-xl); padding:52px;
  box-shadow:var(--shadow-lg);
  max-height:90vh; overflow-y:auto;
  transform:scale(.95);
  transition:transform .3s cubic-bezier(.165,.84,.44,1);
}
.modal.open .modal-content,
.essay-modal.open .modal-content { transform:scale(1); }

.essay-modal .modal-content { max-width:820px; }

.modal-close {
  position:absolute; top:24px; right:24px;
  background:#ebebf0; border:none;
  width:36px; height:36px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:22px; line-height:1; cursor:pointer; color:var(--dark);
  transition:background .2s, color .2s;
}
.modal-close:hover { background:var(--dark); color:#fff; }

.modal-header-flex {
  display:flex; justify-content:space-between;
  align-items:center; margin-bottom:24px;
}
.modal-logo-container { height:48px; display:flex; align-items:center; }
.modal-logo { max-height:100%; max-width:160px; object-fit:contain; }
.modal-tags .card-tag { font-size:13px; font-weight:700; color:var(--blue); }
.modal-title {
  font-size:40px; font-weight:700; letter-spacing:-.025em;
  margin-bottom:36px; line-height:1.1;
}
.modal-grid { display:grid; grid-template-columns:1fr 1fr; gap:32px; }
.modal-section { border-top:1px solid var(--border); padding-top:20px; }
.modal-label {
  font-size:11px; font-weight:700; letter-spacing:.06em;
  text-transform:uppercase; color:var(--gray); margin-bottom:8px; display:block;
}
.modal-text { font-size:16px; color:var(--dark); line-height:1.5; }
.modal-outcome { color:var(--blue); font-weight:700; font-size:20px !important; }

/* Essay Modal */
.essay-modal-header {
  margin-bottom:32px; border-bottom:1px solid var(--border);
  padding-bottom:24px;
}
.essay-modal-category {
  font-size:11px; font-weight:700; text-transform:uppercase;
  color:var(--blue); letter-spacing:.08em; display:inline-block; margin-bottom:12px;
}
.essay-modal-title {
  font-size:30px; font-weight:700; margin-bottom:10px;
  letter-spacing:-.025em; color:var(--dark);
}
.essay-modal-meta { font-size:14px; color:var(--gray); font-weight:500; }
.essay-modal-body { font-size:16px; line-height:1.7; color:#3a3a3c; }
.essay-modal-body p { margin-bottom:18px; }
.essay-modal-body h4 {
  font-size:18px; font-weight:700; margin:32px 0 12px; color:var(--dark);
}

/* ─── ANIMATIONS ────────────────────────────────────────────────── */
.reveal {
  opacity:0;
  transform:translateY(32px) scale(.98);
  transition:opacity .7s cubic-bezier(.165,.84,.44,1),
              transform .7s cubic-bezier(.165,.84,.44,1);
}
.reveal.active { opacity:1; transform:translateY(0) scale(1); }

/* ─── RESPONSIVE ────────────────────────────────────────────────── */
@media (max-width:960px) {
  .projects-grid { grid-template-columns:repeat(2,1fr); }
  .knowledge-grid { grid-template-columns:repeat(2,1fr); }
  .about-grid { grid-template-columns:1fr; }
  .modal-grid { grid-template-columns:1fr; }
}
@media (max-width:680px) {
  .projects-grid { grid-template-columns:1fr; }
  .knowledge-grid { grid-template-columns:1fr; }
  .playbook-grid { grid-template-columns:1fr; }
  .about-grid { grid-template-columns:1fr; }
  .navbar { width:92%; padding:10px 20px; }
  .nav-links { gap:18px; }
  .nav-links a { font-size:12px; }
  .modal-content { padding:32px 24px; }
  .modal-title { font-size:28px; margin-bottom:24px; }
  .chapter-item { grid-template-columns:1fr; gap:4px; }
  .hero-title { font-size:clamp(52px,14vw,80px); }
}