/* ============ ODYP — ozeldersyonetim.com tasarım sistemi ============
   Konsept: öğretmenin dijital çalışma masası. Temiz, güvenilir, modül renkli.
   Fontlar kendi sunucuda barındırılır; Google'a istek gitmez. */

@font-face{font-family:'Bricolage Grotesque';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/bricolage-grotesque-latin-700-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Bricolage Grotesque';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/bricolage-grotesque-latin-ext-700-normal.woff2') format('woff2');unicode-range:U+0100-02AF,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Bricolage Grotesque';font-style:normal;font-weight:800;font-display:swap;src:url('fonts/bricolage-grotesque-latin-800-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Bricolage Grotesque';font-style:normal;font-weight:800;font-display:swap;src:url('fonts/bricolage-grotesque-latin-ext-800-normal.woff2') format('woff2');unicode-range:U+0100-02AF,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/instrument-sans-latin-400-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/instrument-sans-latin-ext-400-normal.woff2') format('woff2');unicode-range:U+0100-02AF,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/instrument-sans-latin-500-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/instrument-sans-latin-ext-500-normal.woff2') format('woff2');unicode-range:U+0100-02AF,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/instrument-sans-latin-600-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/instrument-sans-latin-ext-600-normal.woff2') format('woff2');unicode-range:U+0100-02AF,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/instrument-sans-latin-700-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/instrument-sans-latin-ext-700-normal.woff2') format('woff2');unicode-range:U+0100-02AF,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}

:root{
  --ink:#1C2B33;--ink-2:#3B4A54;--muted:#5F7078;
  --teal:#175163;--teal-deep:#0E3E4E;--teal-soft:#E3EEF1;
  --green:#05976A;--green-deep:#047251;--green-soft:#E1F3EC;
  --orange:#D87706;--orange-deep:#A85B02;--orange-soft:#FBEEDC;
  --blue:#014F76;--blue-soft:#E1EEF6;
  --red:#C43D3D;--red-soft:#FBE7E5;
  --bg:#F2F5F6;--card:#FFFFFF;--line:#DCE4E7;--line-soft:#E8EEF0;
  --shadow-s:0 4px 14px rgba(23,81,99,.08);
  --shadow-m:0 20px 55px rgba(14,62,78,.16);
  --display:'Bricolage Grotesque',ui-sans-serif,system-ui,sans-serif;
  --body:'Instrument Sans',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:var(--body);font-size:16.5px;line-height:1.62;-webkit-font-smoothing:antialiased;
  background-color:var(--bg);
  background-image:radial-gradient(rgba(23,81,99,.10) 1.2px,transparent 1.2px);
  background-size:26px 26px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{font-family:var(--display);letter-spacing:-.02em;line-height:1.12;text-wrap:balance}
p{margin:0 0 1em}
.container{width:min(1140px,calc(100% - 44px));margin:auto}

:focus-visible{outline:3px solid var(--green);outline-offset:3px;border-radius:4px}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1!important;transform:none!important}
}

/* ---- Nav ---- */
.nav{position:sticky;top:0;z-index:40;background:rgba(242,245,246,.9);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:800;font-size:20px;letter-spacing:.01em;color:var(--teal)}
.brand svg{width:38px;height:38px}
.nav-links{display:flex;gap:24px;align-items:center;color:var(--ink-2);font-size:14.5px;font-weight:600}
.nav-links a{padding:4px 2px;border-bottom:2px solid transparent;transition:.15s}
.nav-links a:hover{color:var(--green);border-bottom-color:var(--green)}
.nav-cta{background:var(--teal);color:#fff!important;padding:9px 15px;border-radius:11px;border-bottom:none!important}
.nav-cta:hover{background:var(--teal-deep)}
.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:11px;padding:8px 12px;font-size:17px;cursor:pointer}
.mobile-menu{display:none}

/* ---- Butonlar ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 21px;border-radius:13px;font-weight:700;font-size:15.5px;border:1px solid transparent;transition:transform .16s ease,box-shadow .16s ease,background .16s ease;cursor:pointer}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 10px 26px rgba(14,62,78,.28)}
.btn-primary:hover{background:var(--teal-deep)}
.btn-secondary{background:#fff;border-color:var(--line);box-shadow:var(--shadow-s)}
.btn-store{background:var(--ink);color:#fff;padding:11px 18px;text-align:left;line-height:1.15}
.btn-store:hover{background:var(--teal-deep)}
.btn-store small{display:block;font-size:10.5px;font-weight:600;opacity:.75;letter-spacing:.04em}
.btn-store b{font-size:16.5px}
.btn-store svg{width:26px;height:26px;flex:none}

/* ---- Bölümler ---- */
.section{padding:92px 0}
.section.alt{background:#fff;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.sec-head{max-width:740px;margin-bottom:52px}
.sec-head.center{margin-inline:auto;text-align:center}
.kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:7px 13px;border-radius:8px;background:var(--teal-soft);color:var(--teal);font-family:var(--body)}
.kicker.green{background:var(--green-soft);color:var(--green-deep)}
.kicker.orange{background:var(--orange-soft);color:var(--orange-deep)}
.kicker.blue{background:var(--blue-soft);color:var(--blue)}
.sec-head h2{font-size:clamp(30px,4vw,45px);font-weight:800;margin:18px 0 14px}
.sec-head p{color:var(--muted);font-size:17.5px;margin:0}
.accent{color:var(--green)}

/* ---- Hero ---- */
.hero{padding:76px 0 96px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:56px}
.hero h1{font-size:clamp(40px,5.4vw,64px);font-weight:800;letter-spacing:-.032em;line-height:1.04;margin:24px 0 20px}
.hero h1 .accent{position:relative}
.hero h1 .accent svg{position:absolute;left:-1%;right:-1%;bottom:-.14em;width:102%;height:.3em;pointer-events:none}
.hero-copy{font-size:19px;color:var(--ink-2);max-width:560px;line-height:1.6}
.hero-copy b{color:var(--ink)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px;align-items:center}
.micro-proof{display:flex;gap:20px;flex-wrap:wrap;margin-top:26px;color:var(--muted);font-size:14.5px;font-weight:600}
.micro-proof span{display:flex;align-items:center;gap:8px}
.micro-proof i{width:8px;height:8px;border-radius:50%;background:var(--green);flex:none}

/* Hero sahnesi: gerçek ekran görüntülü telefon + yüzen kartlar */
.hero-art{position:relative;min-height:660px}
.phone{background:var(--ink);border-radius:44px;padding:12px;box-shadow:var(--shadow-m)}
.phone .screen{border-radius:34px;overflow:hidden;background:#fff}
.phone .screen img{width:100%;height:auto}
.hero-art .phone{position:absolute;right:8px;top:6px;width:318px;transform:rotate(2deg)}
.float-card{position:absolute;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow-m)}
.fc-chart{left:0;top:70px;width:250px;transform:rotate(-4deg)}
.fc-chart .fc-title{font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.fc-chart .fc-big{font-family:var(--display);font-weight:800;font-size:34px;color:var(--green);line-height:1.1;margin-top:4px}
.fc-chart .fc-big small{font-size:15px;color:var(--muted);font-family:var(--body);font-weight:600}
.fc-chart svg{width:100%;height:56px;margin-top:8px}
.fc-wa{left:14px;bottom:64px;width:264px;transform:rotate(-2deg)}
.fc-wa .fc-row{display:flex;gap:12px;align-items:flex-start}
.fc-wa .fc-ic{flex:none;width:42px;height:42px;border-radius:13px;background:var(--green);color:#fff;display:grid;place-items:center;font-size:19px}
.fc-wa b{display:block;font-size:14.5px}
.fc-wa span{font-size:13px;color:var(--muted);line-height:1.45}
.fc-badge{right:270px;top:-6px;padding:10px 15px;font-size:13.5px;font-weight:700;color:var(--red);background:var(--red-soft);border:1px solid #F3CDCA;transform:rotate(-3deg)}

/* ---- "Karmaşa" bölümü ---- */
.fail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fail-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:var(--shadow-s);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.fail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.fail-old{font-size:15px;font-weight:600;color:#8A97A0;text-decoration:line-through;text-decoration-color:var(--red);text-decoration-thickness:2px}
.fail-card h3{font-size:21px;font-weight:700;margin:12px 0 8px}
.fail-card p{margin:0;color:var(--muted);font-size:15.5px}
.fail-fix{margin-top:auto;padding-top:18px;display:flex;gap:9px;align-items:flex-start;font-size:14.5px;font-weight:600;color:var(--green-deep)}
.fail-fix i{flex:none;width:20px;height:20px;border-radius:50%;background:var(--green-soft);display:grid;place-items:center;font-style:normal;font-size:12px;margin-top:1px}

/* ---- Özellik ızgarası ---- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feat{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow-s);border-top:5px solid var(--teal);transition:transform .18s,box-shadow .18s}
.feat:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.feat.green{border-top-color:var(--green)}
.feat.orange{border-top-color:var(--orange)}
.feat.blue{border-top-color:var(--blue)}
.feat .ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:21px;background:var(--teal-soft)}
.feat.green .ic{background:var(--green-soft)}
.feat.orange .ic{background:var(--orange-soft)}
.feat.blue .ic{background:var(--blue-soft)}
.feat h3{font-size:18.5px;margin:14px 0 7px}
.feat p{margin:0;color:var(--muted);font-size:14.8px}
.feat .note{margin-top:12px;font-size:12.8px;color:var(--muted);background:var(--bg);border:1px dashed var(--line);border-radius:10px;padding:8px 11px}

/* ---- Ekran galerisi ---- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start}
.shot .phone{width:100%;max-width:300px;margin:0 auto}
.shot figcaption{text-align:center;margin-top:16px}
.shot figcaption b{display:block;font-size:16.5px}
.shot figcaption span{font-size:14px;color:var(--muted)}
.shot .tag{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:4px 10px;border-radius:99px;margin-bottom:8px}
.shot .tag.orange{background:var(--orange-soft);color:var(--orange-deep)}
.shot .tag.blue{background:var(--blue-soft);color:var(--blue)}
.shot .tag.green{background:var(--green-soft);color:var(--green-deep)}

/* ---- Adımlar ---- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:var(--shadow-s)}
.step-num{font-family:var(--display);font-weight:800;font-size:15px;color:#fff;background:var(--teal);width:34px;height:34px;border-radius:50%;display:grid;place-items:center}
.step-card h3{font-size:20px;margin:14px 0 8px}
.step-card p{margin:0;color:var(--muted);font-size:15.5px}

/* ---- Veli paneli ---- */
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center}
.split h2{font-size:clamp(30px,4vw,44px);font-weight:800;margin:18px 0 14px}
.split>div>p{color:var(--muted);font-size:17px}
.check-list{margin:22px 0 0;padding:0;list-style:none;display:grid;gap:13px}
.check-list li{display:flex;gap:12px;font-size:15.5px;color:var(--ink-2)}
.check-list li i{flex:none;width:24px;height:24px;border-radius:50%;background:var(--green-soft);color:var(--green-deep);display:grid;place-items:center;font-style:normal;font-size:13px;font-weight:800;margin-top:1px}
.split .phone{width:min(320px,86%);margin:auto;transform:rotate(-2deg)}

/* ---- Dürüstlük kutusu ---- */
.notice-strip{background:var(--teal-soft);border:1px solid #CBDEE4;border-radius:20px;padding:22px 26px;display:flex;gap:16px;align-items:flex-start}
.notice-strip .ic{flex:none;width:44px;height:44px;border-radius:14px;background:var(--teal);color:#fff;display:grid;place-items:center;font-size:20px}
.notice-strip b{display:block;font-size:16px;color:var(--teal-deep);margin-bottom:3px}
.notice-strip p{margin:0;font-size:14.8px;color:var(--ink-2)}

/* ---- SSS ---- */
.faq{max-width:780px;margin:auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;margin:12px 0;overflow:hidden;box-shadow:var(--shadow-s)}
.faq summary{font-weight:700;font-size:16.5px;cursor:pointer;padding:19px 22px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-family:var(--display);font-weight:700;font-size:22px;color:var(--green);flex:none;transition:transform .18s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq details p{padding:0 22px 19px;margin:0;color:var(--muted);font-size:15.5px}

/* ---- CTA ---- */
.cta{position:relative;background:var(--teal);color:#fff;border-radius:30px;padding:64px 40px;text-align:center;box-shadow:var(--shadow-m);overflow:hidden}
.cta:before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.14) 1.2px,transparent 1.2px);background-size:26px 26px;pointer-events:none}
.cta>*{position:relative}
.cta h2{font-size:clamp(30px,4vw,46px);font-weight:800;margin:0 0 12px;color:#fff}
.cta p{color:#C7DAE1;max-width:620px;margin:0 auto 28px;font-size:17px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;align-items:center}
.cta .btn-store{background:#fff;color:var(--ink)}
.cta .btn-store:hover{background:var(--green-soft)}
.cta .weblink{color:#fff;font-weight:600;text-decoration:underline;text-underline-offset:4px}

/* ---- Footer ---- */
.footer{padding:46px 0 26px;color:var(--muted);font-size:13.5px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}
.footer h4{color:var(--ink);margin:0 0 10px;font-family:var(--body);font-size:14.5px}
.footer a{display:block;margin:7px 0}
.footer a:hover{color:var(--green)}
.copyright{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---- İçerik sayfaları ---- */
.content-page{padding:58px 0 92px}
.content-shell{max-width:900px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:24px;padding:clamp(26px,5vw,58px);box-shadow:var(--shadow-m)}
.content-shell h1{font-size:clamp(32px,5vw,44px);font-weight:800;line-height:1.08}
.content-shell h2{margin-top:36px;font-size:24px}
.content-shell p,.content-shell li{color:#49555D}
.eyebrow{display:inline-flex;padding:7px 12px;border-radius:8px;background:var(--green-soft);color:var(--green-deep);font-weight:700;font-size:13px}
.notice{background:var(--orange-soft);border-left:4px solid var(--orange);padding:15px 17px;border-radius:0 12px 12px 0}
.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.contact-item{padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--bg)}
.contact-item a{color:var(--teal);font-weight:600}

/* ---- Scroll reveal ---- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---- Responsive ---- */
@media(max-width:1000px){
  .fail-grid,.feat-grid,.steps,.gallery{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  .nav-links{display:none}
  .menu-btn{display:block}
  .mobile-menu.open{display:grid;gap:6px;padding:12px 22px 18px;border-top:1px solid var(--line)}
  .mobile-menu a{padding:9px 0;font-weight:600}
  .hero{padding:52px 0 70px}
  .hero-grid,.split{grid-template-columns:1fr}
  .hero-art{min-height:620px;max-width:480px;margin:12px auto 0}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  body{font-size:16px}
  .section{padding:64px 0}
  .hero h1{font-size:clamp(35px,10vw,44px)}
  .hero-copy{font-size:17px}
  .hero-actions .btn{flex:1 1 100%}
  .fail-grid,.feat-grid,.steps,.gallery,.footer-grid,.contact-box{grid-template-columns:1fr}
  .cta{padding:44px 22px}
  .hero-art{min-height:0;max-width:340px;display:grid;gap:16px}
  .hero-art .phone,.float-card{position:static;transform:none;width:100%}
  .fc-badge{display:none}
  .split .phone{transform:none}
}