/* ==========================================================
   ALCOVE DIGITAL — web design studio portfolio
   Palette: paper white / graphite ink / emerald signal
   Display: Bricolage Grotesque   Body: Inter
   Signature: browser-frame mockups for the work section
   ========================================================== */

:root{
  --paper:#FAFAF8;
  --paper-2:#F0F0EB;
  --ink:#141613;
  --ink-2:#24261F;
  --white:#FFFFFF;
  --emerald:#1F6F54;
  --emerald-light:#2E9974;
  --text-muted:#605C50;
  --muted-on-dark:rgba(250,250,248,.62);
  --line-paper:rgba(20,22,19,.12);
  --line-dark:rgba(250,250,248,.14);
  --display:'Bricolage Grotesque', 'Helvetica Neue', sans-serif;
  --body:'Inter', 'Helvetica Neue', sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-soft:cubic-bezier(.34,.01,0,1);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:var(--body);background:var(--paper);color:var(--ink);overflow-x:hidden;-webkit-font-smoothing:antialiased;}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font-family:inherit;border:none;outline:none;background:none;}
button{cursor:pointer;}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.08;letter-spacing:-.01em;}
em{font-style:normal;color:var(--emerald);}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}
.container{max-width:1240px;margin:0 auto;padding:0 44px;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--emerald);outline-offset:3px;}

.grain{position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.4;mix-blend-mode:multiply;
  background-image:radial-gradient(rgba(20,22,19,.025) 1px,transparent 1px);background-size:3px 3px;}

/* ---------- shared type / UI ---------- */
.eyebrow{display:flex;align-items:center;gap:12px;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600;color:var(--emerald);margin-bottom:18px;}
.eyebrow-line{width:26px;height:1px;background:var(--emerald);}
.eyebrow--light{color:var(--emerald-light);}
.lede{font-size:1.06rem;line-height:1.8;color:var(--text-muted);max-width:52ch;margin-bottom:18px;}
.lede--light{color:var(--muted-on-dark);}
.section-head{max-width:640px;margin-bottom:56px;}
.section-head h2{font-size:clamp(2rem,4vw,2.7rem);}
.section-head-copy{color:var(--text-muted);font-size:.98rem;line-height:1.7;max-width:56ch;margin-top:14px;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 30px;border-radius:8px;font-size:.86rem;font-weight:600;transition:.35s var(--ease);white-space:nowrap;}
.btn-solid{background:var(--ink);color:var(--paper);}
.btn-solid:hover{background:var(--emerald);transform:translateY(-2px);box-shadow:0 14px 30px rgba(31,111,84,.25);}
.btn-outline{border:1.5px solid var(--ink);color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px);}
.btn-block{width:100%;}

.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.95rem;color:var(--ink);border-bottom:1.5px solid var(--ink);padding-bottom:3px;}
.text-link .arrow{transition:transform .35s var(--ease);}
.text-link:hover .arrow{transform:translateX(6px);}
.text-link:hover{color:var(--emerald);border-color:var(--emerald);}

.reveal-left,.reveal-right{opacity:0;transition:opacity .9s var(--ease),transform .9s var(--ease);}
.reveal-left{transform:translateX(-40px);}
.reveal-right{transform:translateX(40px);}
.reveal-left.in-view,.reveal-right.in-view{opacity:1;transform:translateX(0);}
.reveal-up{opacity:0;transform:translateY(30px);transition:opacity .75s var(--ease),transform .75s var(--ease);}
.reveal-up.in-view{opacity:1;transform:translateY(0);}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;transition:.4s var(--ease);}
.header-inner{max-width:1240px;margin:0 auto;padding:26px 44px;display:flex;align-items:center;justify-content:space-between;}
.site-header.scrolled{background:rgba(250,250,248,.9);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line-paper);}
.site-header.scrolled .header-inner{padding:16px 44px;}
.wordmark{font-family:var(--display);font-size:1.5rem;font-weight:800;letter-spacing:-.02em;}
.wordmark span{color:var(--emerald);}
.main-nav{display:flex;gap:32px;}
.main-nav a{font-size:.88rem;font-weight:500;position:relative;padding-bottom:4px;transition:.3s var(--ease);}
.main-nav a::after{content:'';position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--emerald);transition:width .35s var(--ease);}
.main-nav a:hover::after,.main-nav a.active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:18px;}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:26px;}
.nav-toggle span{height:2px;background:var(--ink);display:block;transition:.3s var(--ease);border-radius:2px;}
@media (max-width:920px){
  .main-nav{position:fixed;inset:0 0 0 auto;height:100vh;width:80%;max-width:320px;background:var(--ink);flex-direction:column;justify-content:center;padding:0 44px;gap:26px;transform:translateX(100%);transition:transform .5s var(--ease);}
  .main-nav.open{transform:translateX(0);}
  .main-nav a{color:var(--paper);font-size:1.05rem;}
  .nav-toggle{display:flex;}
  .header-actions .btn-solid{display:none;}
  .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);}
.nav-toggle.open span{background:var(--paper);}
}
@media (max-width:560px){.header-inner,.site-header.scrolled .header-inner{padding:20px 24px;}.container{padding:0 24px;}}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:130px 0 90px;overflow:hidden;}
.blueprint-grid{
  position:absolute;inset:0;z-index:0;opacity:.5;
  background-image:linear-gradient(var(--line-paper) 1px, transparent 1px), linear-gradient(90deg, var(--line-paper) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 70% 60% at 60% 30%, black 30%, transparent 75%);
}
.hero-inner{position:relative;z-index:2;max-width:820px;}
.hero-title{font-size:clamp(2.6rem,6vw,4.4rem);margin:22px 0 26px;}
.line{display:block;overflow:hidden;}
.line span{display:block;transform:translateY(110%);animation:lineUp 1s var(--ease-soft) forwards;}
.line:nth-child(1) span{animation-delay:.15s;}
.line:nth-child(2) span{animation-delay:.3s;}
.line:nth-child(3) span{animation-delay:.45s;}
@keyframes lineUp{to{transform:translateY(0);}}
.hero-sub{font-size:1.08rem;line-height:1.8;color:var(--text-muted);max-width:56ch;margin-bottom:36px;opacity:0;animation:fadeUpS .9s var(--ease) .7s forwards;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;opacity:0;animation:fadeUpS .9s var(--ease) .85s forwards;}
@keyframes fadeUpS{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:translateY(0);}}
@media (max-width:560px){.hero{padding:110px 0 70px;}}

/* ---------- about ---------- */
.about{padding:130px 0;background:var(--paper);}
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:80px;align-items:start;}
.about-copy h2{font-size:clamp(2rem,4vw,2.7rem);margin-bottom:22px;}
.about-points{display:flex;flex-direction:column;gap:14px;margin:30px 0 32px;}
.point{display:flex;align-items:baseline;gap:16px;font-size:.96rem;color:var(--ink);padding:16px 18px;background:var(--paper-2);border-radius:10px;}
.point-mark{font-family:var(--display);font-weight:700;color:var(--emerald);font-size:.92rem;flex-shrink:0;}

.blueprint-card{
  background:var(--ink);color:var(--paper);padding:44px 38px;border-radius:14px;position:relative;
  margin-top:60px;
}
.blueprint-label{display:inline-block;font-size:.68rem;letter-spacing:.16em;color:var(--emerald-light);margin-bottom:20px;font-weight:700;}
.blueprint-card p{font-family:var(--display);font-size:1.3rem;line-height:1.5;font-weight:500;margin-bottom:22px;}
.blueprint-sign{font-size:.85rem;color:var(--muted-on-dark);}

@media (max-width:960px){.about{padding:90px 0;}.about-grid{grid-template-columns:1fr;gap:50px;}.blueprint-card{margin-top:0;}}

/* ---------- services ---------- */
.services{padding:130px 0;background:var(--paper-2);}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line-paper);border:1px solid var(--line-paper);border-radius:14px;overflow:hidden;}
.service-card{background:var(--paper);padding:40px 32px;transition:.35s var(--ease);}
.service-card:hover{background:var(--white);transform:translateY(-4px);box-shadow:0 20px 45px rgba(0,0,0,.06);position:relative;z-index:2;}
.service-num{font-family:var(--display);font-size:.85rem;font-weight:700;color:var(--emerald);display:block;margin-bottom:20px;}
.service-card h3{font-size:1.22rem;margin-bottom:12px;}
.service-card p{color:var(--text-muted);font-size:.92rem;line-height:1.7;}
@media (max-width:960px){.services{padding:90px 0;}.services-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:640px){.services-grid{grid-template-columns:1fr;}}

/* ---------- work (browser-frame signature) ---------- */
.work{padding:130px 0;background:var(--ink);color:var(--paper);}
.work .section-head h2{color:var(--paper);}
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}

.browser-frame{border-radius:12px;overflow:hidden;background:var(--ink-2);border:1px solid var(--line-dark);box-shadow:0 30px 60px rgba(0,0,0,.35);}
.browser-bar{display:flex;align-items:center;gap:8px;padding:12px 14px;background:#1B1D18;border-bottom:1px solid var(--line-dark);}
.browser-bar .dot{width:9px;height:9px;border-radius:50%;background:#4A4C43;}
.browser-bar .dot:nth-child(1){background:#E5605A;}
.browser-bar .dot:nth-child(2){background:#E5B85A;}
.browser-bar .dot:nth-child(3){background:#5AB86A;}
.browser-url{margin-left:10px;font-size:.72rem;color:var(--muted-on-dark);background:rgba(255,255,255,.06);padding:4px 12px;border-radius:6px;flex:1;}
.browser-body{aspect-ratio:4/3;overflow:hidden;}
.browser-body img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease-soft);}
.work-card:hover .browser-body img{transform:scale(1.06);}

.work-meta{padding-top:22px;}
.work-meta h3{font-size:1.3rem;margin-bottom:10px;color:var(--paper);}
.work-meta p{color:var(--muted-on-dark);font-size:.9rem;line-height:1.7;margin-bottom:14px;}
.work-tags{display:flex;gap:8px;}
.work-tags span{font-size:.7rem;letter-spacing:.05em;text-transform:uppercase;padding:5px 12px;border-radius:999px;border:1px solid var(--line-dark);color:var(--emerald-light);}

.work-note{margin-top:56px;text-align:center;color:var(--muted-on-dark);font-size:.98rem;}
.work-note a{color:var(--emerald-light);font-weight:600;border-bottom:1px solid var(--emerald-light);padding-bottom:2px;}

@media (max-width:960px){.work{padding:90px 0;}.work-grid{grid-template-columns:1fr;gap:44px;}}

/* ---------- process ---------- */
.process{padding:130px 0;background:var(--paper);}
.process-rail{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.process-rail-line{position:absolute;top:14px;left:0;height:1px;background:var(--emerald);width:0%;transition:width 1.3s var(--ease-soft);z-index:1;}
.process-step{position:relative;z-index:2;padding-top:38px;}
.step-num{position:absolute;top:0;left:0;font-family:var(--display);font-weight:700;font-size:1rem;color:var(--emerald);background:var(--paper);padding-right:12px;}
.process-step h3{font-size:1.24rem;margin-bottom:12px;}
.process-step p{color:var(--text-muted);font-size:.92rem;line-height:1.7;}
@media (max-width:960px){.process{padding:90px 0;}.process-rail{grid-template-columns:1fr 1fr;row-gap:42px;}.process-rail-line{display:none;}}
@media (max-width:560px){.process-rail{grid-template-columns:1fr;}}

/* ---------- contact ---------- */
.contact{padding:130px 0;background:var(--ink);color:var(--paper);}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;}
.contact-info h2{font-size:clamp(2rem,4vw,2.7rem);margin:16px 0 18px;color:var(--paper);}
.info-row{display:flex;flex-direction:column;gap:4px;padding:18px 0;border-bottom:1px solid var(--line-dark);}
.info-label{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--emerald-light);}
.info-value{font-size:1rem;}
.contact-form{background:var(--ink-2);padding:42px;border-radius:14px;border:1px solid var(--line-dark);}
.field{position:relative;margin-bottom:28px;}
.field label{position:absolute;left:0;top:14px;font-size:.78rem;color:var(--muted-on-dark);pointer-events:none;transition:.3s var(--ease);transform-origin:left top;}
.field input,.field textarea{width:100%;padding:14px 0 10px;border-bottom:1px solid var(--line-dark);color:var(--paper);font-size:1rem;transition:border-color .3s var(--ease);}
.field textarea{resize:vertical;min-height:70px;}
.field input:focus,.field textarea:focus{border-color:var(--emerald-light);}
.field input:focus + label,.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,.field textarea:not(:placeholder-shown) + label{transform:translateY(-20px) scale(.82);color:var(--emerald-light);}
.form-note{font-size:.82rem;color:var(--emerald-light);margin-top:14px;opacity:0;transition:opacity .4s var(--ease);}
.form-note.show{opacity:1;}
@media (max-width:960px){.contact{padding:90px 0;}.contact-grid{grid-template-columns:1fr;gap:46px;}.contact-form{padding:30px 24px;}}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-2);color:var(--paper);padding:36px 0;}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px;}
.wordmark--footer{font-size:1.2rem;}
.footer-nav{display:flex;gap:24px;}
.footer-nav a{font-size:.85rem;color:var(--muted-on-dark);transition:.3s var(--ease);}
.footer-nav a:hover{color:var(--emerald-light);}
.footer-copy{font-size:.8rem;color:var(--muted-on-dark);}
@media (max-width:640px){.footer-inner{flex-direction:column;text-align:center;}}

/* ---------- back to top ---------- */
.top-btn{position:fixed;right:28px;bottom:28px;width:50px;height:50px;border-radius:50%;background:var(--emerald);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.1rem;box-shadow:0 14px 32px rgba(31,111,84,.3);z-index:900;opacity:0;visibility:hidden;transform:translateY(20px);transition:.4s var(--ease);}
.top-btn.show{opacity:1;visibility:visible;transform:translateY(0);}
.top-btn:hover{background:var(--emerald-light);transform:translateY(-4px);}

.demo-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    margin-top:22px;
    padding:12px 22px;
    background:var(--emerald);
    color:#fff;
    border-radius:8px;
    font-size:.9rem;
    font-weight:600;
    transition:.35s var(--ease);
}

.demo-btn:hover{
    background:var(--emerald-light);
    transform:translateY(-2px);
}