/* ============================================================
   IZI AI — design tokens
============================================================ */
:root{
  --cream: #F1ECE2;         /* Pantone 11-4201 Cloud Dancer */
  --cream-2: #E8E1D2;
  --charcoal: #1D1C1A;
  --charcoal-2: #302E2A;
  --fuchsia: #FF1F8F;       /* electric fuchsia accent */
  --fuchsia-2: #FF57AC;
  --white: #FFFFFF;

  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  --container: 1220px;
  --radius: 18px;
  --radius-sm: 10px;

  --ease: cubic-bezier(.16,.8,.24,1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--cream);
  color: var(--charcoal);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3{ font-family: var(--font-display); font-weight:600; margin:0; letter-spacing:-0.02em; }
p{ margin:0; }
button{ font-family: inherit; cursor:pointer; }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.accent{ color: var(--fuchsia); font-style:normal; }

::selection{ background: var(--fuchsia); color: var(--white); }

/* ============================================================
   Scroll progress + custom cursor
============================================================ */
.progress-bar{
  position: fixed; top:0; left:0; height:3px; width:0%;
  background: linear-gradient(90deg, var(--fuchsia), var(--charcoal));
  z-index: 999; transition: width .1s linear;
}
.cursor-dot{
  position: fixed; top:0; left:0; width:14px; height:14px;
  border-radius:50%; background: var(--fuchsia);
  pointer-events:none; z-index: 9998; mix-blend-mode: difference;
  transform: translate(-50%,-50%);
  transition: width .25s var(--ease), height .25s var(--ease), opacity .2s;
  opacity:0;
}
.cursor-dot.active{ opacity:1; }
.cursor-dot.grow{ width:44px; height:44px; background: rgba(255,255,255,0.9); }
@media (hover:none), (pointer:coarse){
  .cursor-dot{ display:none; }
}

/* ============================================================
   Reveal-on-scroll
============================================================ */
.reveal{
  opacity:0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.in-view{ opacity:1; transform: translateY(0); }
.reveal:nth-child(2){ transition-delay: .08s; }
.reveal:nth-child(3){ transition-delay: .16s; }
.reveal:nth-child(4){ transition-delay: .24s; }

/* ============================================================
   Buttons
============================================================ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight:600;
  font-size: 0.95rem;
  border: 1.5px solid transparent;
  transition: transform .35s var(--ease), background .3s, color .3s, border-color .3s;
  white-space: nowrap;
}
.btn-primary{
  background: var(--charcoal); color: var(--cream);
}
.btn-primary:hover{ background: var(--fuchsia); color: var(--white); }
.btn-ghost{
  background: transparent; color: var(--charcoal); border-color: var(--charcoal);
}
.btn-ghost:hover{ border-color: var(--fuchsia); color: var(--fuchsia); }
.btn-large{ padding: 17px 32px; font-size: 1rem; }
.btn-small{ padding: 10px 20px; font-size: 0.85rem; }

/* ============================================================
   Header
============================================================ */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 500;
  background: rgba(241,236,226,0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s, padding .3s;
}
.site-header.scrolled{
  border-bottom-color: rgba(29,28,26,0.08);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 20px 28px;
  transition: padding .3s var(--ease);
}
.site-header.scrolled .header-inner{ padding: 14px 28px; }

.brand{ display:flex; align-items:center; }
.brand-logo-img{ height: 26px; width:auto; display:block; }
.brand-logo-img--light{ filter: brightness(0) invert(1); }
.brand-logo-img--combo{ height: 62px; transition: height .3s var(--ease); }
.site-header.scrolled .brand-logo-img--combo{ height: 50px; }

.main-nav{ display:flex; gap: 34px; }
.main-nav a{
  font-size:.92rem; font-weight:500; position:relative; padding:4px 0;
}
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:2px;
  background: var(--fuchsia); transition: width .3s var(--ease);
}
.main-nav a:hover::after{ width:100%; }

.header-actions{ display:flex; align-items:center; gap:16px; }
.lang-switch{
  display:flex; border:1.5px solid var(--charcoal); border-radius:999px; overflow:hidden;
}
.lang-btn{
  border:none; background:transparent; padding:6px 13px; font-size:.78rem; font-weight:700;
  letter-spacing:.03em; color: var(--charcoal); transition: background .25s, color .25s;
}
.lang-btn.active{ background: var(--charcoal); color: var(--cream); }

.burger{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:38px; height:38px; background:none; border:none; padding:0;
}
.burger span{
  display:block; width:100%; height:2px; background: var(--charcoal);
  transition: transform .3s var(--ease), opacity .3s;
}
.burger.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2){ opacity:0; }
.burger.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

.mobile-nav{
  display:flex; flex-direction:column; gap:0;
  max-height:0; overflow:hidden;
  transition: max-height .4s var(--ease);
  background: var(--cream); border-top:1px solid rgba(29,28,26,0.08);
}
.mobile-nav.open{ max-height:420px; }
.mobile-nav a{
  padding:16px 28px; font-weight:500; border-bottom:1px solid rgba(29,28,26,0.06);
}
.mobile-nav .btn{ margin:18px 28px; }

/* ============================================================
   Hero
============================================================ */
.hero{
  position:relative;
  min-height: 100vh;
  display:flex; align-items:center;
  padding: 140px 0 100px;
  overflow:hidden;
}
.network-canvas{
  position:absolute; inset:0; width:100%; height:100%; z-index:0;
  opacity:.55;
}
.hero-inner{ position:relative; z-index:1; max-width: 880px; }
.eyebrow{
  font-size:.85rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase;
  color: var(--fuchsia); margin-bottom: 22px;
}
.hero-title{
  font-size: clamp(2.1rem, 6vw, 4.6rem);
  line-height: 1.08;
  overflow-wrap: break-word;
}
.hero-title span{ display:block; }
.hero-sub{
  margin-top: 28px; max-width: 620px;
  font-size: clamp(1.02rem, 1.4vw, 1.2rem);
  color: var(--charcoal-2);
}
.hero-cta{ margin-top: 40px; display:flex; gap:16px; flex-wrap:wrap; }

.scroll-hint{
  position:absolute; left:50%; bottom:36px; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:10px; z-index:1;
}
.scroll-hint span{
  width:1px; height:46px; background: linear-gradient(var(--charcoal), transparent);
  position:relative; overflow:hidden;
}
.scroll-hint span::after{
  content:''; position:absolute; top:-100%; left:0; width:100%; height:100%;
  background: var(--fuchsia); animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine{
  0%{ top:-100%; } 60%{ top:100%; } 100%{ top:100%; }
}
.scroll-hint small{ font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color: var(--charcoal-2); }

/* ============================================================
   Brand marquee
============================================================ */
.brands{ padding: 50px 0 70px; }
.section-kicker{
  font-size:.8rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase;
  color: var(--charcoal-2); margin-bottom: 8px;
  display:flex; align-items:center; gap:10px;
}
.section-kicker::before{
  content:''; width:22px; height:2px; background: var(--fuchsia); display:inline-block;
}
.marquee{
  margin-top: 22px;
  overflow:hidden;
  border-top:1px solid rgba(29,28,26,0.1);
  border-bottom:1px solid rgba(29,28,26,0.1);
  padding: 22px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track{
  display:flex; gap:64px; width:max-content;
  animation: marquee 32s linear infinite;
}
.marquee:hover .marquee-track{ animation-play-state: paused; }
.marquee-track span{
  font-family: var(--font-display); font-size: 1.5rem; font-weight:600;
  color: var(--charcoal); opacity:.55; white-space:nowrap;
  transition: opacity .3s;
}
.marquee-track span:hover{ opacity:1; color: var(--fuchsia); }
@keyframes marquee{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}

/* ============================================================
   About
============================================================ */
.about{ padding: 90px 0; }
.about-grid{
  display:grid; grid-template-columns: 1.3fr 1fr; gap: 70px; align-items:start;
}
.section-title{
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  margin-top: 10px; margin-bottom: 26px;
}
.about-copy p{ color: var(--charcoal-2); margin-bottom: 18px; font-size:1.03rem; }
.about-stats{
  background: var(--charcoal); color: var(--cream);
  border-radius: var(--radius);
  padding: 40px 34px;
  display:flex; flex-direction:column; gap: 26px;
}
.stat{ display:flex; flex-direction:column; }
.stat-num{
  font-family: var(--font-display); font-size: 3rem; font-weight:700; color: var(--fuchsia-2);
  line-height:1;
}
.stat-plus{ display:none; }
.stat-label{ margin-top:6px; font-size:.9rem; color: rgba(241,236,226,0.75); }

/* ============================================================
   Team
============================================================ */
.team{ padding: 90px 0; background: var(--cream-2); }
.section-sub{
  margin-top:14px; max-width:640px; color: var(--charcoal-2); font-size:1.05rem;
}
.team-lead{
  margin-top: 50px;
  display:grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items:stretch;
  background: var(--white); border-radius: var(--radius); overflow:hidden;
}
.team-lead-photo{
  position:relative; min-height: 420px; overflow:hidden;
  background: linear-gradient(135deg, var(--charcoal), var(--charcoal-2));
}
.team-lead-photo img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position: top center;
  filter: grayscale(30%); transition: filter .6s, transform .8s var(--ease);
}
.team-lead:hover .team-lead-photo img{ filter:grayscale(0%); transform: scale(1.03); }
.team-lead-info{ padding: 44px 44px 44px 0; display:flex; flex-direction:column; justify-content:center; }
.team-lead-tag{
  display:inline-flex; align-self:flex-start;
  background: rgba(255,31,143,0.1); color: var(--fuchsia);
  font-size:.75rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase;
  padding: 6px 14px; border-radius:999px; margin-bottom:16px;
}
.team-lead-info h3{ font-size:1.7rem; }
.team-role{
  margin-top:6px; margin-bottom:16px; color: var(--fuchsia); font-weight:600; font-size:.9rem;
}
.team-bio{ color: var(--charcoal-2); font-size:.98rem; line-height:1.7; }
.team-brand-list{
  margin-top:22px; display:flex; flex-wrap:wrap; gap:8px;
}
.team-brand-list li{
  font-size:.78rem; font-weight:600; color: var(--charcoal-2);
  background: var(--cream); border-radius:999px; padding: 6px 13px;
}

.team-support{
  margin-top: 28px;
  display:grid; grid-template-columns: 0.85fr 1.15fr; gap: 48px; align-items:stretch;
  background: var(--white); border: 1px solid rgba(29,28,26,0.08); border-radius: var(--radius); overflow:hidden;
}
.team-support-photo{
  position:relative; min-height: 340px; overflow:hidden;
  background: linear-gradient(135deg, var(--charcoal), var(--charcoal-2));
}
.team-support-photo img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position: top center;
  filter: grayscale(30%); transition: filter .6s, transform .8s var(--ease);
}
.team-support:hover .team-support-photo img{ filter:grayscale(0%); transform: scale(1.03); }
.team-support-info{ padding: 36px 40px 36px 0; display:flex; flex-direction:column; justify-content:center; }
.team-support-info h4{ font-family: var(--font-display); font-weight:600; font-size:1.4rem; }
.team-support .team-role{ margin-top:6px; margin-bottom:14px; }
.team-support .team-bio{ font-size:.94rem; max-width:560px; }
.team-support .team-brand-list{ max-width:560px; }

/* ============================================================
   Courses
============================================================ */
.courses{ padding: 90px 0; }
.course-grid{
  margin-top: 50px; display:grid; grid-template-columns: 1fr 1fr; gap: 32px;
}
.course-card{
  position:relative;
  background: var(--white);
  border: 1px solid rgba(29,28,26,0.08);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: transform .1s linear, box-shadow .4s var(--ease), border-color .4s;
  transform-style: preserve-3d;
  will-change: transform;
}
.course-card:hover{ box-shadow: 0 22px 44px rgba(29,28,26,0.1); border-color: rgba(255,31,143,0.35); }
.course-card h3{ font-size:1.4rem; margin-bottom:14px; }
.course-card p{ color: var(--charcoal-2); font-size:.98rem; margin-bottom:20px; }
.course-list li{
  position:relative; padding-left:22px; margin-bottom:10px; font-size:.92rem; color: var(--charcoal);
}
.course-list li::before{
  content:''; position:absolute; left:0; top:7px; width:9px; height:9px; border-radius:50%;
  background: var(--fuchsia);
}
.badge-soon{
  position:absolute; top:26px; right:26px;
  background: var(--fuchsia); color: var(--white);
  font-size:.7rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
  padding: 6px 14px; border-radius:999px;
}
.badge-soon::before{
  content:''; display:inline-block; width:6px; height:6px; border-radius:50%;
  background: var(--white); margin-right:7px; vertical-align:middle;
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{ opacity:1; transform:scale(1); } 50%{ opacity:.35; transform:scale(.7); }
}

.waitlist{
  margin-top: 56px;
  background: var(--charcoal); color: var(--cream);
  border-radius: var(--radius);
  padding: 46px 44px;
  display:grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items:center;
}
.waitlist-copy h3{ font-size:1.5rem; color: var(--cream); margin-bottom:12px; }
.waitlist-copy p{ color: rgba(241,236,226,0.7); font-size:.96rem; }
.waitlist-form{ display:flex; flex-direction:column; gap:12px; }
.waitlist-form input, .waitlist-form select{
  width:100%; padding: 13px 16px; border-radius: var(--radius-sm);
  border: 1.5px solid rgba(241,236,226,0.2); background: rgba(241,236,226,0.06);
  color: var(--cream); font-family: inherit; font-size:.94rem; outline:none;
  transition: border-color .3s, background .3s;
}
.waitlist-form input::placeholder{ color: rgba(241,236,226,0.45); }
.waitlist-form input:focus, .waitlist-form select:focus{
  border-color: var(--fuchsia); background: rgba(241,236,226,0.1);
}
.waitlist-form select{ color-scheme: dark; }
.waitlist-form button{ margin-top:6px; }

/* ============================================================
   Contact
============================================================ */
.contact{ padding: 90px 0 120px; background: var(--cream-2); }
.contact-grid{
  display:grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items:start;
}
.contact-cards{
  display:grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
.contact-card{
  display:flex; flex-direction:column; gap:8px;
  background: var(--white); border-radius: var(--radius-sm);
  padding: 24px 22px; border: 1px solid rgba(29,28,26,0.08);
  transition: transform .35s var(--ease), border-color .3s, background .3s;
}
.contact-card:hover{
  transform: translateY(-4px); border-color: var(--fuchsia); background: var(--charcoal); color: var(--cream);
}
.contact-card:hover .contact-label{ color: var(--fuchsia-2); }
.contact-label{ font-size:.75rem; text-transform:uppercase; letter-spacing:.08em; color: var(--charcoal-2); transition: color .3s; }
.contact-value{ font-family: var(--font-display); font-weight:600; font-size:1.05rem; }

/* ============================================================
   Footer
============================================================ */
.site-footer{ padding: 46px 0; background: var(--charcoal); color: var(--cream); }
.footer-inner{
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:18px;
}
.footer-note, .footer-copy{ font-size:.85rem; color: rgba(241,236,226,0.6); }

/* ============================================================
   Toast
============================================================ */
.toast{
  position: fixed; left:50%; bottom:30px; transform: translate(-50%, 30px);
  background: var(--charcoal); color: var(--cream);
  padding: 14px 26px; border-radius: 999px; font-size:.9rem; font-weight:500;
  opacity:0; pointer-events:none; z-index: 1000;
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.toast.show{ opacity:1; transform: translate(-50%, 0); }

/* ============================================================
   Responsive
============================================================ */
@media (max-width: 960px){
  .main-nav{ display:none; }
  .burger{ display:flex; }
  .about-grid, .contact-grid{ grid-template-columns:1fr; gap: 40px; }
  .course-grid{ grid-template-columns:1fr; }
  .team-lead{ grid-template-columns:1fr; }
  .team-lead-photo{ min-height: 320px; }
  .team-lead-info{ padding: 32px; }
  .team-support{ grid-template-columns:1fr; }
  .team-support-photo{ min-height: 280px; }
  .team-support-info{ padding: 32px; }
  .waitlist{ grid-template-columns:1fr; padding: 36px 28px; }
  .contact-cards{ grid-template-columns:1fr 1fr; }
}
@media (max-width: 560px){
  .header-inner{ padding: 16px 20px; }
  .header-actions{ gap:10px; }
  .lang-switch{ order:2; }
  .btn-small{ display:none; }
  .hero{ padding-top: 120px; }
  .hero-cta{ flex-direction:column; }
  .hero-cta .btn{ width:100%; }
  .contact-cards{ grid-template-columns:1fr; }
  .about-stats{ padding: 28px 24px; }
}