/* ===== MSI Notebook Servisi — Kurumsal Tasarım Sistemi ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');

:root{
  /* Brand */
  --red:#e60012;
  --red-2:#b3000e;
  --red-soft:#fdeaec;

  /* Neutrals */
  --ink:#0b1220;
  --ink-2:#1e293b;
  --slate:#475569;
  --slate-2:#64748b;
  --slate-3:#94a3b8;
  --line:#e6e8ee;
  --line-strong:#cbd5e1;
  --bg:#ffffff;
  --bg-soft:#f7f9fc;
  --bg-tint:#f1f5fb;
  --panel:#ffffff;

  /* Accents */
  --navy:#0f1e3d;
  --navy-2:#1b2d57;
  --amber:#b45309;
  --green:#0f8a4f;
  --green-soft:#e8f7ef;

  /* System */
  --radius-sm:8px;
  --radius:12px;
  --radius-lg:20px;
  --shadow-xs:0 1px 2px rgba(15,30,61,.04), 0 1px 1px rgba(15,30,61,.03);
  --shadow-sm:0 2px 6px rgba(15,30,61,.06), 0 1px 2px rgba(15,30,61,.04);
  --shadow:0 10px 24px rgba(15,30,61,.08), 0 2px 6px rgba(15,30,61,.04);
  --shadow-lg:0 24px 48px rgba(15,30,61,.12), 0 6px 12px rgba(15,30,61,.06);
  --maxw:1200px;
  --fbody:'Inter',system-ui,-apple-system,sans-serif;
  --fdisp:'Space Grotesk','Inter',sans-serif;

  /* Legacy aliases (build.py'de var) */
  --bg-2:var(--bg-soft);
  --txt:var(--ink);
  --txt-dim:var(--slate);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--slate);
  font-family:var(--fbody);
  font-weight:400;
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:var(--ink);text-decoration:none;transition:color .15s ease}
a:hover{color:var(--red)}
img{max-width:100%;display:block;height:auto}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.page{position:relative}

/* ===== Typography ===== */
h1,h2,h3,h4,h5{
  font-family:var(--fdisp);
  color:var(--ink);
  font-weight:700;
  line-height:1.18;
  letter-spacing:-.018em;
  margin:0 0 .55em;
}
h1{font-size:clamp(2.05rem,4.6vw,3.4rem);letter-spacing:-.025em}
h2{font-size:clamp(1.5rem,2.6vw,2.05rem)}
h3{font-size:1.18rem;letter-spacing:-.012em}
h4{font-size:1.02rem}
h5{font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-2)}
p{margin:0 0 1em}
.lead{font-size:1.12rem;color:var(--slate);line-height:1.7;max-width:62ch}
.muted{color:var(--slate-2)}
.faint{color:var(--slate-3);font-size:.86rem}
.center{text-align:center;margin-left:auto;margin-right:auto}
.mb-0{margin-bottom:0}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--fbody);font-size:.74rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.13em;
  color:var(--red);
  background:var(--red-soft);
  padding:7px 12px;border-radius:999px;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--red)}

.hl{color:var(--red);position:relative;white-space:nowrap}
.hl::after{
  content:"";position:absolute;left:-2px;right:-2px;bottom:.06em;height:.32em;
  background:var(--red-soft);z-index:-1;border-radius:3px;
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 22px;border-radius:10px;
  font-family:var(--fbody);font-weight:600;font-size:.95rem;
  cursor:pointer;border:1px solid transparent;
  transition:all .18s ease;white-space:nowrap;
}
.btn-red{background:var(--red);color:#fff;box-shadow:0 6px 16px rgba(230,0,18,.22)}
.btn-red:hover{background:var(--red-2);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(230,0,18,.28)}
.btn-wa{background:#25d366;color:#fff;box-shadow:0 6px 16px rgba(37,211,102,.22)}
.btn-wa:hover{background:#1eb858;color:#fff;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line-strong)}
.btn-ghost:hover{background:var(--bg-soft);color:var(--ink);border-color:var(--ink-2)}
.cta{padding:11px 18px}

/* ===== Topbar / Nav ===== */
.topbar{
  background:var(--ink);color:#cbd5e1;
  font-size:.82rem;padding:9px 0;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
.topbar a{color:#fff;font-weight:500}
.topbar a:hover{color:#ffb3b8}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#22c55e;margin-right:7px;box-shadow:0 0 0 3px rgba(34,197,94,.18)}

.nav{
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px;gap:18px}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);font-weight:700}
.brand:hover{color:var(--ink)}
.brand .mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;
  background:linear-gradient(135deg,var(--red) 0%,var(--red-2) 100%);
  color:#fff;font-family:var(--fdisp);font-weight:700;font-size:.9rem;letter-spacing:.04em;
  box-shadow:0 4px 12px rgba(230,0,18,.25);
}
.brand>span:last-child{display:flex;flex-direction:column;line-height:1.15;font-family:var(--fdisp);font-size:1.04rem}
.brand small{font-family:var(--fbody);font-size:.72rem;font-weight:500;color:var(--slate-2);margin-top:2px}

.menu-toggle{
  display:none;background:none;border:1px solid var(--line-strong);
  font-size:1.3rem;padding:6px 12px;border-radius:8px;cursor:pointer;color:var(--ink);
}
.nav nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav nav a{
  padding:9px 14px;border-radius:8px;font-weight:500;font-size:.94rem;color:var(--ink-2);
}
.nav nav a:hover{background:var(--bg-soft);color:var(--ink)}
.nav nav a.btn{color:#fff;padding:10px 18px}

/* ===== Hero ===== */
.hero{
  padding:72px 0 56px;
  background:
    radial-gradient(60% 80% at 85% 0%,rgba(230,0,18,.06),transparent 70%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg-soft) 100%);
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{margin-bottom:18px}
.hero .lead{margin-bottom:28px;font-size:1.18rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px;padding-top:28px;border-top:1px solid var(--line)}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats b{font-family:var(--fdisp);font-size:1.55rem;color:var(--ink);font-weight:700;line-height:1}
.hero-stats span{font-size:.78rem;color:var(--slate-2);margin-top:4px;font-weight:500}

.hero-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow-lg);position:relative;
}
.hero-card::before{
  content:"";position:absolute;top:0;left:24px;right:24px;height:3px;
  background:linear-gradient(90deg,var(--red),var(--red-2));border-radius:0 0 6px 6px;
}
.hero-card h3{margin-bottom:18px;color:var(--ink)}
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.checklist li{display:flex;gap:12px;align-items:flex-start;font-size:.95rem;color:var(--ink-2);line-height:1.5}
.ic{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:var(--green-soft);color:var(--green);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:.78rem;font-weight:700;margin-top:2px;
}

/* ===== Sections ===== */
section{padding:68px 0;position:relative}
.sec-head{text-align:center;max-width:680px;margin:0 auto 44px}
.sec-head .eyebrow{margin-bottom:14px}
.sec-head h2{margin-bottom:12px}
.sec-head p{color:var(--slate-2);font-size:1.02rem}

/* ===== Grids & Cards ===== */
.grid{display:grid;gap:20px}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-xs);transition:all .22s ease;
  display:flex;flex-direction:column;gap:10px;color:var(--ink);position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:transparent;transition:background .22s ease;
}
.card:hover{
  border-color:var(--line-strong);box-shadow:var(--shadow);
  transform:translateY(-2px);color:var(--ink);
}
.card:hover::before{background:var(--red)}
.card h3{margin:6px 0 4px;font-size:1.08rem;color:var(--ink)}
.card p{color:var(--slate-2);font-size:.93rem;margin:0;line-height:1.6}
.card .tag{align-self:flex-start}
.arrow{
  margin-top:auto;padding-top:14px;font-weight:600;color:var(--red);font-size:.88rem;
  display:inline-flex;align-items:center;gap:6px;
}
.card-icon{
  width:48px;height:48px;border-radius:10px;
  background:var(--bg-soft);border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  overflow:hidden;flex-shrink:0;
  font-family:var(--fdisp);font-weight:700;color:var(--red);font-size:1.1rem;
}
.card-icon img{width:100%;height:100%;object-fit:cover}
.card-img{
  width:100%;aspect-ratio:16/10;border-radius:var(--radius-sm);
  background:var(--bg-soft);overflow:hidden;margin-bottom:6px;
  border:1px solid var(--line);
}
.card-img img{width:100%;height:100%;object-fit:cover}

/* ===== Features (numbered) ===== */
.features{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  padding:36px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
  margin-top:-36px;position:relative;z-index:2;
}
.feat{display:flex;flex-direction:column;gap:6px}
.feat .n{
  font-family:var(--fdisp);font-weight:700;font-size:.78rem;color:var(--red);
  letter-spacing:.08em;margin-bottom:4px;
}
.feat h4{margin:0 0 4px;color:var(--ink);font-size:1rem}
.feat p{margin:0;color:var(--slate-2);font-size:.88rem;line-height:1.55}

/* ===== Categories (models) ===== */
.cat{margin-bottom:48px}
.cat:last-child{margin-bottom:0}
.cat-title{display:flex;align-items:center;gap:18px;margin-bottom:22px}
.cat-title h3{margin:0;color:var(--ink);font-size:1.15rem;white-space:nowrap}
.cat-title .ln{flex:1;height:1px;background:var(--line)}

/* ===== Chips ===== */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 22px}
.chip{
  display:inline-flex;align-items:center;
  background:#fff;color:var(--ink-2);border:1px solid var(--line-strong);
  padding:7px 13px;border-radius:999px;font-size:.84rem;font-weight:500;
  transition:all .15s ease;
}
.chip:hover{border-color:var(--red);color:var(--red);background:var(--red-soft)}
.tag{
  display:inline-block;background:var(--bg-tint);color:var(--ink-2);
  font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  padding:5px 10px;border-radius:6px;border:1px solid var(--line);
}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* ===== Page Hero (inner pages) ===== */
.phero{
  padding:54px 0 38px;
  background:linear-gradient(180deg,var(--bg-soft) 0%,#fff 100%);
  border-bottom:1px solid var(--line);
}
.phero h1{margin-bottom:14px}
.phero .lead{margin-bottom:22px}

/* ===== Breadcrumbs ===== */
.crumb{
  padding:14px 0 4px;font-size:.84rem;color:var(--slate-2);
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
}
.crumb a{color:var(--slate);font-weight:500}
.crumb a:hover{color:var(--red)}
.crumb span{color:var(--slate-3);margin:0 4px}

/* ===== Split layout (prose + aside) ===== */
.split{display:grid;grid-template-columns:1.45fr .55fr;gap:42px;align-items:start}
.prose h2{margin:36px 0 14px;font-size:1.45rem;color:var(--ink)}
.prose h2:first-of-type{margin-top:0}
.prose p{color:var(--slate);font-size:1.0rem;line-height:1.78}
.media{
  width:100%;aspect-ratio:16/9;border-radius:var(--radius);
  background:var(--bg-soft);border:1px solid var(--line);
  overflow:hidden;margin-bottom:24px;
}
.media img{width:100%;height:100%;object-fit:cover}

.aside{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);position:sticky;top:90px;
}
.aside h4{margin:0 0 14px;color:var(--ink);font-size:1rem}
.symptom{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.symptom li{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--ink-2);line-height:1.5}
.symptom .x{
  flex-shrink:0;width:18px;height:18px;border-radius:50%;
  background:var(--red-soft);color:var(--red);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:.7rem;font-weight:700;margin-top:2px;
}
.divider{height:1px;background:var(--line)}

/* ===== Reviews ===== */
.review{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-xs);
}
.stars{color:#f59e0b;font-size:1rem;letter-spacing:2px;margin-bottom:8px}
.review p{color:var(--ink-2);font-style:italic;line-height:1.65;margin:0 0 14px;font-size:.96rem}
.review b{color:var(--ink);font-size:.92rem;font-weight:600}
.review b span{font-weight:500;color:var(--slate-2)}

/* ===== FAQ ===== */
.faq{display:grid;gap:10px;max-width:820px;margin:0 auto}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 22px;transition:border-color .15s ease,box-shadow .15s ease;
}
.faq details[open]{border-color:var(--line-strong);box-shadow:var(--shadow-sm)}
.faq summary{
  cursor:pointer;font-weight:600;color:var(--ink);font-size:1rem;
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--red);font-weight:400;transition:transform .2s ease;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq summary::-webkit-details-marker{display:none}
.faq .a{margin-top:12px;color:var(--slate);line-height:1.7;font-size:.96rem}

/* ===== Band (CTA section) ===== */
.band{
  background:linear-gradient(135deg,var(--ink) 0%,var(--navy) 100%);
  color:#fff;border-radius:var(--radius-lg);
  padding:48px 36px;text-align:center;
  border:1px solid var(--ink-2);
  position:relative;overflow:hidden;
}
.band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 90% at 90% 110%,rgba(230,0,18,.25),transparent 60%);
  pointer-events:none;
}
.band>*{position:relative;z-index:1}
.band .eyebrow{background:rgba(230,0,18,.18);color:#ffb3b8;margin-bottom:14px}
.band .eyebrow::before{background:#ffb3b8}
.band h2{color:#fff;margin-bottom:8px}
.band p.lead{color:rgba(255,255,255,.78);margin:0 auto 22px}
.band .hero-cta{justify-content:center;margin-top:0}
.band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.band .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}

/* ===== Footer ===== */
footer{
  background:var(--ink);color:#cbd5e1;padding:54px 0 22px;margin-top:60px;
}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.08)}
.fbrand .brand{color:#fff}
.fbrand .brand>span:last-child{color:#fff}
.fbrand .brand small{color:#94a3b8}
.fbrand p{color:#94a3b8;font-size:.92rem;line-height:1.65}
.fbrand .tag{background:rgba(255,255,255,.06);color:#cbd5e1;border-color:rgba(255,255,255,.1)}
footer h5{color:#fff;margin-bottom:16px;font-size:.82rem}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
footer ul li{font-size:.9rem;color:#94a3b8;line-height:1.5}
footer ul a{color:#cbd5e1;transition:color .15s ease}
footer ul a:hover{color:#fff}
.fbot{display:flex;justify-content:space-between;align-items:center;gap:14px;padding-top:22px;font-size:.82rem;color:#64748b;flex-wrap:wrap}

/* ===== Floating WhatsApp ===== */
.fab{
  position:fixed;right:22px;bottom:22px;z-index:60;
  background:#25d366;color:#fff;
  padding:13px 20px;border-radius:999px;
  font-weight:600;font-size:.92rem;
  box-shadow:0 10px 28px rgba(37,211,102,.36);
  display:inline-flex;align-items:center;gap:8px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.fab:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 32px rgba(37,211,102,.44)}

/* ===== Form inputs (contact page) ===== */
input,textarea{
  font-family:var(--fbody)!important;color:var(--ink)!important;
  background:#fff!important;border:1px solid var(--line-strong)!important;
}
input:focus,textarea:focus{outline:none;border-color:var(--red)!important;box-shadow:0 0 0 3px var(--red-soft)!important}

/* ===== Responsive ===== */
@media (max-width: 1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-card{order:-1}
  .split{grid-template-columns:1fr;gap:28px}
  .aside{position:static}
  .features{grid-template-columns:repeat(2,1fr)}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .fgrid{grid-template-columns:1.2fr 1fr}
}
@media (max-width: 720px){
  section{padding:48px 0}
  .hero{padding:48px 0 36px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:14px}
  .g-3,.g-4{grid-template-columns:1fr}
  .features{grid-template-columns:1fr;padding:24px;margin-top:-24px}
  .fgrid{grid-template-columns:1fr;gap:28px}
  .menu-toggle{display:inline-flex}
  .nav nav{
    display:none;width:100%;flex-direction:column;align-items:stretch;
    padding:14px 0;border-top:1px solid var(--line);margin-top:14px;
  }
  .nav nav.open{display:flex}
  .nav nav a{width:100%}
  .nav .wrap{flex-wrap:wrap}
  .topbar .wrap{flex-direction:column;align-items:flex-start;gap:6px}
  .band{padding:36px 22px}
  .fab{right:14px;bottom:14px;padding:11px 16px;font-size:.85rem}
  .fbot{flex-direction:column;align-items:flex-start;text-align:left}
}

/* ===== Print ===== */
@media print{
  .topbar,.nav,.fab,.band,footer{display:none}
  body{background:#fff;color:#000}
  .hero{background:#fff;padding:24px 0}
}