/* ══════════════════════════════════════════════════════════════════════════
   Hibersoft IoT — Tanıtım Sitesi tasarım sistemi
   Soft · modern · aydınlık (siyah yok). Yumuşak degradeler, cam efektleri.
   ══════════════════════════════════════════════════════════════════════════ */
:root{
  --ink:#243244;            /* ana metin (siyah değil, koyu arduvaz) */
  --ink-soft:#5a6b82;       /* ikincil metin */
  --ink-faint:#8899ad;
  --paper:#f6f9fe;          /* sayfa zemini */
  --paper-2:#eef4fc;
  --card:#ffffff;
  --line:#e6edf7;
  --brand:#2f6bff;          /* soft mavi */
  --brand-2:#22c3d6;        /* teal */
  --brand-3:#7b7bff;        /* soft mor */
  --mint:#18c29c;
  --amber:#f6a623;
  --shadow:0 18px 50px -20px rgba(47,107,255,.28);
  --shadow-sm:0 8px 24px -12px rgba(36,50,68,.18);
  --r-lg:26px; --r-md:18px; --r-sm:12px;
  --wrap:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;
  background:
    radial-gradient(1100px 600px at 85% -8%, rgba(34,195,214,.16), transparent 60%),
    radial-gradient(1000px 640px at 0% -5%, rgba(47,107,255,.16), transparent 55%),
    var(--paper);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
section{position:relative}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;color:var(--ink);margin:0}
h1{font-size:clamp(34px,5vw,58px);font-weight:800}
h2{font-size:clamp(26px,3.4vw,40px);font-weight:800}
h3{font-size:20px;font-weight:700}
p{margin:.6em 0}
.lead{font-size:clamp(17px,2vw,20px);color:var(--ink-soft)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;color:var(--brand);
  background:linear-gradient(90deg,rgba(47,107,255,.12),rgba(34,195,214,.12));
  border:1px solid var(--line);padding:6px 14px;border-radius:999px}
.grad{background:linear-gradient(100deg,var(--brand),var(--brand-2) 60%,var(--brand-3));
  -webkit-background-clip:text;background-clip:text;color:transparent}

/* Butonlar */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:15px;
  padding:13px 24px;border-radius:14px;cursor:pointer;border:1px solid transparent;transition:.18s;white-space:nowrap}
.btn-primary{color:#fff;background:linear-gradient(100deg,var(--brand),var(--brand-2));
  box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:11px}

/* Navbar */
.nav{position:sticky;top:0;z-index:40;backdrop-filter:saturate(140%) blur(12px);
  background:rgba(246,249,254,.75);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;color:var(--ink)}
.logo .mark{width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;
  box-shadow:var(--shadow)}
/* Logo card */
.logo-card{
  display:inline-flex !important;align-items:center;
  width:fit-content;
  padding:8px 18px;
  background:#fff;
  border:1.5px solid var(--line);
  border-radius:18px;
  box-shadow:0 3px 14px rgba(36,50,68,.09);
  transition:.22s;
  text-decoration:none;
  margin:0;
}
.logo-card:hover{
  box-shadow:var(--shadow-sm);
  transform:translateY(-2px);
  border-color:rgba(47,107,255,.25);
}
.logo-img{height:54px;width:auto;display:block;object-fit:contain}
.logo-card-sm{padding:6px 14px;border-radius:14px}
.logo-card-sm .logo-img{height:42px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--ink-soft);font-weight:600;font-size:15px;
  padding:8px 13px;border-radius:11px;
  transition:.18s;
  border:1px solid transparent;
}
.nav-links a svg{flex-shrink:0;opacity:.55;transition:.15s}
.nav-links a:hover{
  color:var(--brand);
  background:rgba(47,107,255,.07);
  border-color:rgba(47,107,255,.14);
}
.nav-links a:hover svg{opacity:1}
.nav-cta{display:flex;gap:10px;align-items:center}
.burger{display:none;background:none;border:0;cursor:pointer}
@media(max-width:860px){
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;
    background:#fff;padding:18px 22px;gap:16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
  .burger{display:block}
}

/* Hero */
.hero{padding:74px 0 40px;text-align:center}
.hero .lead{max-width:660px;margin:18px auto 0}
.hero-cta{display:flex;gap:14px;justify-content:center;margin-top:30px;flex-wrap:wrap}
.trust{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;margin-top:34px;color:var(--ink-faint);font-size:14px;font-weight:600}
.trust span{display:inline-flex;align-items:center;gap:7px}

/* Bölüm başlığı */
.head{text-align:center;max-width:680px;margin:0 auto 44px}
.head .lead{margin-top:12px}
.sec{padding:64px 0}

/* Kartlar / grid */
.grid{display:grid;gap:22px}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:960px){.g-3,.g-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.g-2,.g-3,.g-4{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:26px;
  box-shadow:var(--shadow-sm);transition:.2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,rgba(47,107,255,.12),rgba(34,195,214,.14));color:var(--brand)}
.ico svg{width:26px;height:26px}
.card p{color:var(--ink-soft);font-size:15px}

/* Cihaz kartı */
.device-card{display:flex;flex-direction:column;overflow:hidden;padding:0}
.device-visual{height:180px;display:grid;place-items:center;position:relative;overflow:hidden;
  transition:.3s}
.device-card:hover .device-visual{filter:brightness(1.04)}
.device-visual.v-rtu{background:linear-gradient(135deg,#e8f0ff,#dcfbff)}
.device-visual.v-sulama{background:linear-gradient(135deg,#e3f8ef,#e8f7ff)}
.device-visual.v-solar{background:linear-gradient(135deg,#fff4e0,#fff7ec)}
.device-visual.v-iklim{background:linear-gradient(135deg,#eef0ff,#e6f9ff)}
.device-visual svg{width:82px;height:82px;transition:.3s}
.device-card:hover .device-visual svg{transform:scale(1.08)}
/* body flex sütun → p büyür, chips+buton hep aynı hizada */
.device-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.device-body .tag{font-size:12px;font-weight:700;color:var(--brand);text-transform:uppercase;letter-spacing:.06em}
.device-body h3{margin:8px 0 10px;font-size:20px}
.device-body p{color:var(--ink-soft);font-size:15px;margin:0 0 18px;flex:1}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:18px}
.chip{font-size:12.5px;font-weight:600;color:var(--ink-soft);background:var(--paper-2);
  border:1px solid var(--line);border-radius:999px;padding:5px 11px}
/* "İncele →" soft buton */
.arrow{
  display:flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:14px;
  padding:11px 0;
  border-radius:12px;
  background:rgba(47,107,255,.07);
  color:var(--brand);
  border:1.5px solid rgba(47,107,255,.18);
  transition:.2s;
  letter-spacing:.01em;
}
.device-card:hover .arrow{
  background:linear-gradient(100deg,var(--brand),var(--brand-2));
  color:#fff;
  border-color:transparent;
  box-shadow:0 6px 22px rgba(47,107,255,.28);
  gap:12px;
}

/* Özellik satırı (genel split) */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:30px}}

/* Teknoloji bölümü */
.tech-split{display:grid;grid-template-columns:1.15fr 0.85fr;gap:52px;align-items:start;margin-top:8px}
@media(max-width:900px){.tech-split{grid-template-columns:1fr;gap:32px}}
.tech-feats{display:flex;flex-direction:column}
.tech-panel .tp-head{font-size:12px;font-weight:700;text-transform:uppercase;
  letter-spacing:.09em;color:var(--ink-faint);margin-bottom:6px;padding-bottom:10px;
  border-bottom:1px solid var(--line)}
/* teknoloji protokol rozetleri */
.tech-badges{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:48px}
.tbadge{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;
  color:var(--ink-soft);background:var(--card);border:1.5px solid var(--line);
  border-radius:999px;padding:8px 16px;box-shadow:var(--shadow-sm);
  transition:.18s;letter-spacing:.01em}
.tbadge svg{flex-shrink:0;opacity:.75}
.tbadge:hover{border-color:var(--brand);color:var(--brand);box-shadow:0 0 0 3px rgba(47,107,255,.08)}
.tbadge-ce{border-color:rgba(24,194,156,.4);color:var(--mint)}
.tbadge-ce svg{opacity:.9}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--shadow)}
.kv{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px}
.kv:last-child{border-bottom:0}
.kv b{color:var(--ink)}
.kv span{color:var(--ink-soft)}
.feat{display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--line)}
.feat:last-child{border-bottom:0}
.feat .ico{width:46px;height:46px;margin:0;flex:none}
.feat h3{font-size:16.5px;margin:0 0 5px}
.feat p{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.6}

/* CTA bandı */
.cta{margin:20px auto;border-radius:var(--r-lg);padding:52px 40px;text-align:center;color:#fff;
  background:linear-gradient(120deg,var(--brand),var(--brand-2) 55%,var(--brand-3));box-shadow:var(--shadow)}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.92);max-width:560px;margin:12px auto 26px}
.cta .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.35)}
.cta .btn-light{background:#fff;color:var(--brand)}

/* Device hero */
.dhero{padding:56px 0 30px}
.dhero .split{align-items:center}
.dhero .badge-big{width:120px;height:120px;border-radius:30px;display:grid;place-items:center;
  box-shadow:var(--shadow);margin-bottom:22px}
.spec-table{width:100%;border-collapse:collapse;font-size:15px}
.spec-table th,.spec-table td{text-align:left;padding:13px 4px;border-bottom:1px solid var(--line)}
.spec-table th{color:var(--ink-faint);font-weight:600;width:42%}
.spec-table td{color:var(--ink);font-weight:600}

/* Footer */
.footer{margin-top:40px;border-top:1px solid var(--line);background:rgba(255,255,255,.6)}
.footer-in{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding:52px 0 30px}
@media(max-width:820px){.footer-in{grid-template-columns:1fr 1fr}}
.footer h4{font-size:14px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-faint);margin:0 0 14px}
.footer a{display:block;color:var(--ink-soft);font-weight:600;margin:9px 0;font-size:15px}
.footer a:hover{color:var(--brand)}
.footer .muted{color:var(--ink-soft);font-size:14.5px;max-width:280px}
.copyright{border-top:1px solid var(--line);padding:20px 0;color:var(--ink-faint);font-size:14px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* küçük yardımcılar */
.reveal{opacity:0;transform:translateY(18px);transition:.6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.center{text-align:center}

/* Slider */
.slider-wrap{position:relative;width:100%;overflow:hidden;background:var(--paper-2);line-height:0}
.slider{display:flex;transition:transform .55s cubic-bezier(.4,0,.2,1);will-change:transform}
.slide{min-width:100%;flex-shrink:0}
.slide img{width:100%;max-height:520px;object-fit:cover;object-position:center;display:block}
.s-btn{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.88);
  border:none;border-radius:50%;width:46px;height:46px;display:grid;place-items:center;
  cursor:pointer;box-shadow:0 4px 16px rgba(0,0,0,.18);transition:.18s;z-index:3;padding:0}
.s-btn:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-50%) scale(1.07)}
.s-btn svg{width:20px;height:20px;stroke:var(--ink)}
.s-prev{left:18px}.s-next{right:18px}
.s-dots{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);
  display:flex;gap:9px;z-index:3}
.s-dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.55);
  cursor:pointer;border:2px solid rgba(255,255,255,.8);transition:.2s}
.s-dot.active{background:#fff;transform:scale(1.18)}
@media(max-width:620px){.s-btn{width:36px;height:36px}.slide img{max-height:220px}}

/* Marka notu (Hiber Bilişim) */
.brand-note{margin-top:28px;font-size:14px;color:var(--ink-faint);letter-spacing:.01em}
.brand-note strong{color:var(--ink-soft)}
.brand-note a{color:var(--brand);font-weight:600}

/* İletişim bölümü — CTA grid */
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;text-align:left;align-items:center}
@media(max-width:720px){.cta-grid{grid-template-columns:1fr;gap:28px}}
.cta-grid .cta-text h2{color:#fff}
.cta-grid .cta-text p{color:rgba(255,255,255,.9);margin:10px 0 22px}
.cta-contact{display:flex;flex-direction:column;gap:14px}
.c-row{display:flex;align-items:flex-start;gap:11px;font-size:15px;color:rgba(255,255,255,.95)}
.c-row a{color:#fff;font-weight:600;text-decoration:none}
.c-row a:hover{text-decoration:underline}
.c-ico{font-size:18px;flex-shrink:0;line-height:1.4}
.c-row span:not(.c-ico){line-height:1.55}