/* =========================================================
   Alise Loginova — Portfolio
   Shared stylesheet
   ========================================================= */

:root{
  --bg:#F3F3F1;
  --bg-contact:#EAEAE7;
  --card:#FFFFFF;
  --ink:#34364A;
  --ink-soft:#7B7B87;
  --line:#E1E1DD;
  --accent:#EC5B47;
  --accent-dark:#D0432F;
  --shadow:0 4px 24px rgba(52,54,74,0.06);
  --shadow-lg:0 16px 48px rgba(52,54,74,0.14);
  --max:1180px;
  --max-text:640px;
  --r:10px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Poppins",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.7;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;}
img{max-width:100%;display:block;}
button{font-family:inherit;}

/* ---------- REVEAL ON SCROLL ---------- */
.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1);
}
.reveal.in-view{opacity:1;transform:translateY(0);}
.reveal-stagger > *{transition-delay:calc(var(--i, 0) * 80ms);}

/* ---------- NAV ---------- */
header.site-nav{
  position:relative;
  z-index:100;
  display:flex;
  align-items:center;
  justify-content:space-between;
  max-width:var(--max);
  margin:0 auto;
  padding:34px 40px;
}
.logo{
  font-weight:700;
  font-size:20px;
  color:var(--accent);
  text-decoration:none;
  letter-spacing:0.02em;
}
nav.links{
  display:flex;
  gap:34px;
  font-size:12px;
  font-weight:600;
  letter-spacing:0.08em;
}
nav.links a{
  text-decoration:none;
  color:var(--ink);
  padding-bottom:3px;
  border-bottom:1.5px solid transparent;
  transition:color .15s ease, border-color .15s ease;
}
nav.links a:hover,
nav.links a.active{color:var(--accent);border-color:var(--accent);}

.nav-toggle{
  display:none;
  width:36px;height:36px;
  border:none;background:none;
  cursor:pointer;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
}
.nav-toggle span{
  width:20px;height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .25s ease, opacity .25s ease;
}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media (max-width:720px){
  .nav-toggle{display:flex;}
  nav.links{
    position:fixed;
    inset:0 0 auto 0;
    top:0;
    background:var(--bg);
    flex-direction:column;
    align-items:flex-start;
    padding:100px 32px 40px;
    gap:24px;
    font-size:15px;
    transform:translateY(-100%);
    opacity:0;
    pointer-events:none;
    transition:transform .35s ease, opacity .3s ease;
  }
  nav.links.open{
    transform:translateY(0);
    opacity:1;
    pointer-events:auto;
  }
}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:13px;
  font-weight:700;
  letter-spacing:0.03em;
  text-decoration:none;
  padding:13px 26px;
  border-radius:100px;
  transition:background .15s ease, transform .15s ease, border-color .15s ease, color .15s ease;
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 6px 20px rgba(236,91,71,0.28);
}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border:1px solid var(--line);
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn-text{
  font-size:13.5px;
  font-weight:600;
  color:var(--ink-soft);
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-bottom:1.5px solid var(--line);
  padding-bottom:2px;
  transition:color .15s ease, border-color .15s ease;
}
.btn-text:hover{color:var(--accent);border-color:var(--accent);}

/* ---------- SECTION SHELL / LABELS ---------- */
.label{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:0.08em;
  text-transform:uppercase;
  margin-bottom:16px;
}
.label::before{
  content:"";
  width:14px;
  height:2px;
  background:var(--accent);
  display:inline-block;
  border-radius:2px;
}
.section-title{
  max-width:var(--max);
  margin:0 auto;
  padding:88px 40px 0;
}
.section-title .eyebrow{
  font-size:12px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:0.1em;
  text-transform:uppercase;
  margin-bottom:8px;
}
.section-title h2{
  font-size:24px;
  font-weight:600;
  color:var(--ink);
  margin:0;
  letter-spacing:-0.005em;
}

/* ---------- HERO (case-study / generic) ---------- */
.hero{
  max-width:var(--max);
  margin:0 auto;
  padding:20px 40px 0;
}
.breadcrumb{
  font-size:12px;
  color:var(--ink-soft);
  margin:0 0 22px;
  letter-spacing:0.02em;
}
.breadcrumb a{color:var(--ink-soft);text-decoration:none;}
.breadcrumb a:hover{color:var(--accent);}
.hero h1{
  font-size:30px;
  font-weight:600;
  line-height:1.38;
  max-width:680px;
  margin:0 0 16px;
  color:var(--ink);
  letter-spacing:-0.005em;
}
.hero .tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--accent);
  background:rgba(236,91,71,0.09);
  padding:6px 14px;
  border-radius:100px;
  margin:0;
}

/* ---------- TOP TWO-COL (overview / methods) ---------- */
.top-grid{
  max-width:var(--max);
  margin:0 auto;
  padding:64px 40px 0;
  display:grid;
  grid-template-columns:1.3fr 1fr;
  gap:70px;
}
.top-grid p{
  font-size:14.5px;
  color:var(--ink-soft);
  margin:0 0 14px;
  max-width:440px;
}
.top-grid p:last-child{margin-bottom:0;}
ul.plain-list{
  list-style:none;
  margin:0;
  padding:0;
  font-size:14.5px;
  color:var(--ink);
  display:flex;
  flex-wrap:wrap;
  gap:9px;
}
ul.plain-list li{
  background:var(--card);
  border:1px solid var(--line);
  padding:7px 14px;
  border-radius:100px;
  font-size:13.5px;
}

/* ---------- HERO IMAGE / GENERIC FRAMES ---------- */
.full-figure{
  max-width:var(--max);
  margin:0 auto;
  padding:56px 40px 0;
}
.frame{
  border-radius:var(--r);
  overflow:hidden;
  box-shadow:var(--shadow);
  cursor:zoom-in;
}
.frame img{width:100%;transition:transform .5s ease;}
.frame:hover img{transform:scale(1.015);}
.caption{
  font-size:12.5px;
  color:var(--ink-soft);
  margin-top:12px;
  font-style:italic;
}

/* ---------- LABEL + CONTENT ROW ---------- */
.row{
  max-width:var(--max);
  margin:0 auto;
  padding:44px 40px 0;
  display:grid;
  grid-template-columns:190px 1fr;
  gap:40px;
}
.row.no-top-pad{padding-top:0;}
.row .label{margin-bottom:0;padding-top:2px;}
.row .content{max-width:var(--max-text);}
.row .content p{font-size:14.5px;color:var(--ink-soft);margin:0 0 14px;}
.row .content p:last-child{margin-bottom:0;}
.row .content ul{list-style:none;margin:16px 0 0;padding:0;font-size:14.5px;color:var(--ink-soft);}
.row .content ul li{padding-left:16px;position:relative;margin-bottom:9px;}
.row .content ul li::before{
  content:"";position:absolute;left:0;top:9px;
  width:4px;height:4px;border-radius:50%;background:var(--accent);
}
.row .content ul.numbered{counter-reset:n;}
.row .content ul.numbered li{padding-left:22px;}
.row .content ul.numbered li::before{
  counter-increment:n;content:counter(n);
  width:auto;height:auto;border-radius:0;background:none;
  color:var(--accent);font-weight:700;font-size:13px;top:0;
}
.sub-label{font-size:13px;font-weight:600;color:var(--ink);margin-bottom:12px;text-transform:none;letter-spacing:0;}

.row figure{margin:26px 0 0;}
.persona-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px;}
.image-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px;}

/* ---------- CALLOUT CARD ---------- */
.callout{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:26px 28px;
}
.callout .sub-label{margin-bottom:14px;}
.callout ul{margin:0 !important;}

/* ---------- USER STORIES / KEY-VALUE TABLE ---------- */
.stories{
  border:1px solid var(--line);
  border-radius:var(--r);
  overflow:hidden;
  margin-top:28px;
  background:var(--card);
}
.stories-head{
  display:grid;grid-template-columns:1fr 1fr;
  background:rgba(236,91,71,0.06);
  font-size:12px;font-weight:700;letter-spacing:0.04em;text-transform:uppercase;color:var(--accent);
}
.stories-head div{padding:14px 20px;}
.stories-row{display:grid;grid-template-columns:1fr 1fr;font-size:14px;color:var(--ink-soft);border-top:1px solid var(--line);}
.stories-row div{padding:13px 20px;}
.stories-row div:first-child{border-right:1px solid var(--line);}

/* ---------- FLOW / TWO COL IMAGE + TEXT ---------- */
.flow-grid{
  max-width:var(--max);
  margin:0 auto;
  padding:40px 40px 0;
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:52px;
  align-items:start;
}
.flow-grid p{font-size:14.5px;color:var(--ink-soft);margin:0;}

/* ---------- NEXT STEPS / NUMBERED STEP LIST ---------- */
.next-steps{max-width:var(--max);margin:0 auto;padding:36px 40px 0;}
.next-steps p.intro{font-size:14.5px;color:var(--ink-soft);max-width:640px;margin:0 0 26px;}
ol.steps{list-style:none;counter-reset:step;margin:0;padding:0;max-width:660px;}
ol.steps li{
  counter-increment:step;display:flex;align-items:flex-start;gap:16px;
  font-size:14.5px;color:var(--ink-soft);padding:14px 0;border-top:1px solid var(--line);
}
ol.steps li:first-child{border-top:none;}
ol.steps li::before{
  content:counter(step);flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  border:1.5px solid var(--accent);color:var(--accent);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:1px;
}

/* ---------- PROCESS PILLS (Double Diamond etc.) ---------- */
.process-track{
  max-width:var(--max);margin:0 auto;padding:16px 40px 0;
  display:flex;flex-wrap:wrap;gap:10px;
}
.process-track span{
  font-size:12.5px;font-weight:600;color:var(--ink-soft);
  background:var(--card);border:1px solid var(--line);
  padding:8px 16px;border-radius:100px;
}
.process-track span.current{color:var(--accent);border-color:var(--accent);background:rgba(236,91,71,0.07);}

/* ---------- CONTACT ---------- */
.contact{background:var(--bg-contact);margin-top:104px;padding:76px 40px;text-align:center;}
.contact-inner{max-width:var(--max);margin:0 auto;}
.contact h2{font-size:26px;font-weight:600;color:var(--ink);margin:0 0 10px;}
.contact p{font-size:14.5px;color:var(--ink-soft);margin:0 0 28px;}
.email-btn{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--accent);color:#fff;font-size:13.5px;font-weight:700;letter-spacing:0.02em;
  text-decoration:none;padding:15px 32px;border-radius:100px;
  box-shadow:0 6px 20px rgba(236,91,71,0.28);
  transition:background .15s ease, transform .15s ease;
}
.email-btn:hover{background:var(--accent-dark);transform:translateY(-1px);}
.email-btn svg{width:15px;height:15px;flex:0 0 auto;}

/* ---------- FOOTER ---------- */
footer{
  display:flex;align-items:center;justify-content:space-between;
  max-width:var(--max);margin:0 auto;padding:32px 40px 44px;
  font-size:12px;color:var(--ink-soft);line-height:1.5;
}
footer a{
  display:flex;align-items:center;justify-content:center;width:32px;height:32px;
  border-radius:50%;border:1px solid var(--line);
  transition:border-color .15s ease, background .15s ease;
}
footer a:hover{border-color:var(--accent);background:rgba(236,91,71,0.06);}
footer img{width:15px;height:15px;opacity:.7;}

/* =========================================================
   HOMEPAGE
   ========================================================= */
.home-hero{max-width:var(--max);margin:0 auto;padding:40px 40px 0;}
.home-hero .kicker{font-size:13px;color:var(--ink-soft);margin:0 0 6px;}
.home-hero .name{font-size:15px;font-weight:700;color:var(--accent);margin:0 0 4px;}
.home-hero .role{font-size:13px;color:var(--ink-soft);margin:0 0 22px;}
.home-hero .headline{
  font-size:clamp(26px,3.4vw,38px);
  font-weight:600;
  line-height:1.42;
  max-width:780px;
  color:var(--ink);
  margin:0 0 30px;
  border-top:1px solid var(--line);
  padding-top:26px;
}
.home-hero .cta-row{display:flex;align-items:center;gap:26px;flex-wrap:wrap;}

/* filter tabs */
.tabs{
  max-width:var(--max);margin:0 auto;
  padding:64px 40px 0;
  display:flex;gap:36px;justify-content:center;
  font-size:14px;font-weight:600;color:var(--ink-soft);
}
.tabs button{
  background:none;border:none;cursor:pointer;color:inherit;
  font:inherit;padding:0 0 8px;border-bottom:2px solid transparent;
  transition:color .15s ease, border-color .15s ease;
}
.tabs button.active{color:var(--accent);border-color:var(--accent);}
.tabs button:hover{color:var(--accent);}

/* project grid */
.project-grid{
  max-width:var(--max);margin:0 auto;
  padding:40px 40px 0;
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
}
.project-card{
  display:flex;
  border-radius:var(--r);
  overflow:hidden;
  text-decoration:none;
  box-shadow:var(--shadow);
  transition:box-shadow .25s ease, transform .25s ease;
  min-height:230px;
}
.project-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);}
.project-card .thumb{
  flex:1 1 55%;
  overflow:hidden;
  background:#fff;
  display:flex;align-items:center;justify-content:center;
}
.project-card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.project-card:hover .thumb img{transform:scale(1.06);}
.project-card .info{
  flex:1 1 45%;
  padding:28px 26px;
  display:flex;flex-direction:column;justify-content:center;
  color:#fff;
}
.project-card .info h3{font-size:17px;font-weight:600;line-height:1.4;margin:0 0 10px;}
.project-card .info span{font-size:12px;font-weight:600;letter-spacing:0.04em;text-transform:uppercase;opacity:.85;}

.project-card.c1 .info{background:linear-gradient(135deg,#3E4C8C,#6753C7);}
.project-card.c2 .info{background:linear-gradient(135deg,#5FAF7A,#8FCB9B);color:#1E3324;}
.project-card.c2 .info span{opacity:.7;}
.project-card.c3 .info{background:linear-gradient(135deg,#DCDCE2,#F1F1F0);color:#34364A;}
.project-card.c3 .info span{opacity:.6;}
.project-card.c4 .info{background:linear-gradient(135deg,#3FB6A8,#8FE0D3);color:#0F3D37;}
.project-card.c4 .info span{opacity:.7;}

.project-card.c5 .info{background:linear-gradient(135deg,#8C5FBF,#C77DD1);}
.project-card.c5 .info span{opacity:.8;}

.project-card.c6 .info{background:linear-gradient(135deg,#1E9E7C,#6FD4A8);}
.project-card.c6 .info span{opacity:.8;}

.project-card.c7 .info{background:linear-gradient(135deg,#3A4A5C,#6E7F92);}
.project-card.c7 .info span{opacity:.8;}

.project-card.c8 .info{background:linear-gradient(135deg,#5B4FE0,#8E85F0);}
.project-card.c8 .info span{opacity:.8;}

.empty-tab{
  grid-column:1 / -1;
  text-align:center;
  padding:60px 20px;
  color:var(--ink-soft);
  font-size:14px;
}

/* experience */
.experience{max-width:var(--max);margin:0 auto;padding:100px 40px 0;}
.experience h2{font-size:22px;font-weight:600;margin:0 0 34px;}
.exp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
.exp-item .company{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:0.05em;text-transform:uppercase;margin-bottom:8px;}
.exp-item .role{font-size:14.5px;font-weight:600;margin-bottom:4px;}
.exp-item .dates{font-size:13px;color:var(--ink-soft);}

/* =========================================================
   ABOUT PAGE
   ========================================================= */
.about-hero{
  max-width:var(--max);margin:0 auto;padding:20px 40px 0;
  display:grid;grid-template-columns:1.5fr 0.6fr;gap:60px;align-items:center;
}
.about-hero .kicker{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:0.06em;text-transform:uppercase;margin:0 0 14px;}
.about-hero h1{font-size:30px;font-weight:600;line-height:1.5;margin:0 0 28px;color:var(--ink);}
.about-hero .frame{aspect-ratio:4/5;}
.about-hero .frame img{width:100%;height:100%;object-fit:cover;}
.about-hero .portrait{
  aspect-ratio:4/5;
  max-width:300px;
  margin-left:auto;
  border-radius:var(--r);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.about-hero .portrait img{width:100%;height:100%;object-fit:cover;}
.about-hero .cta-row{display:flex;gap:26px;align-items:center;flex-wrap:wrap;}

.about-grid{
  max-width:var(--max);margin:0 auto;padding:100px 40px 0;
  display:grid;grid-template-columns:1fr 1fr;gap:70px;
}
.about-grid h3{font-size:18px;font-weight:600;margin:0 0 16px;}
.about-grid p{font-size:14.5px;color:var(--ink-soft);margin:0;}

.skills-section{max-width:var(--max);margin:0 auto;padding:90px 40px 0;}
.skills-cols{display:grid;grid-template-columns:1fr 1fr;gap:60px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.chip-row span{
  background:var(--card);border:1px solid var(--line);
  font-size:13px;padding:8px 16px;border-radius:100px;color:var(--ink);
}

.quote-block{
  max-width:var(--max);margin:90px auto 0;padding:0 40px;
}
.quote-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:44px 48px;
  position:relative;
}
.quote-card .mark{font-size:52px;color:var(--accent);opacity:.25;line-height:1;margin:0 0 10px;font-family:Georgia,serif;}
.quote-card p{font-size:16px;line-height:1.75;color:var(--ink);margin:0 0 18px;}
.quote-card .who{font-size:13px;color:var(--ink-soft);font-weight:600;}

/* =========================================================
   LIGHTBOX
   ========================================================= */
.lightbox{
  position:fixed;inset:0;
  background:rgba(30,30,38,0.88);
  display:flex;align-items:center;justify-content:center;
  padding:40px;
  opacity:0;pointer-events:none;
  transition:opacity .25s ease;
  z-index:1000;
}
.lightbox.open{opacity:1;pointer-events:auto;}
.lightbox img{
  max-width:100%;max-height:100%;
  border-radius:8px;
  transform:scale(.96);
  transition:transform .25s ease;
  box-shadow:0 20px 60px rgba(0,0,0,0.4);
}
.lightbox.open img{transform:scale(1);}
.lightbox-close{
  position:absolute;top:28px;right:34px;
  width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,0.1);
  border:1px solid rgba(255,255,255,0.25);
  color:#fff;font-size:18px;line-height:1;
  cursor:pointer;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:900px){
  .about-hero{grid-template-columns:1fr;gap:32px;}
  .about-hero .frame{max-width:340px;}
  .about-hero .portrait{margin-left:0;}
  .about-grid{grid-template-columns:1fr;gap:36px;padding-top:70px;}
  .skills-cols{grid-template-columns:1fr;gap:30px;}
  .exp-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .project-grid{grid-template-columns:1fr;}
  .project-card{flex-direction:column;min-height:0;}
  .project-card .thumb{height:200px;}
}
@media (max-width:820px){
  .top-grid{grid-template-columns:1fr;gap:32px;}
  .row{grid-template-columns:1fr;gap:14px;}
  .persona-grid, .image-grid-2{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;gap:22px;}
  .stories-head,.stories-row{grid-template-columns:1fr;}
  .stories-row div:first-child{border-right:none;border-bottom:1px solid var(--line);}
  .exp-grid{grid-template-columns:1fr 1fr;}
  .tabs{flex-wrap:wrap;gap:20px;}
  header.site-nav,.hero,.top-grid,.full-figure,.section-title,.row,.flow-grid,
  .next-steps,.contact,footer,.home-hero,.tabs,.project-grid,.experience,
  .about-hero,.about-grid,.skills-section,.quote-block,.process-track{
    padding-left:22px;padding-right:22px;
  }
}