/* =====================================================================
   3bsymai.com/css/landing.css — tanıtım sayfası
   Temel: "Aurelia Premium V2" şablonu (tasarim/aurelia-sablon/style.css),
   3BSYM AI'ya uyarlandı ve animasyonlarla genişletildi (11.09.2026).
   ===================================================================== */
:root{--bg:#f7f8fa;--ink:#111318;--muted:#69707d;--line:#e5e7eb;--blue:#3157d5;--dark:#10131a;--green:#15966b;
  --d-bg:#11151d;--d-line:#242a35;--d-panel:#1b2029;--d-panel-line:#292f3b;--d-text:#7e8795}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}
button{font-family:inherit}

/* ---------- üst bar ---------- */
.sitebar{height:72px;background:#ffffffdd;backdrop-filter:blur(18px);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 5vw;gap:48px;position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--ink);text-decoration:none}
.brand em{font-style:normal;color:var(--blue)}
.mark{display:grid;place-items:center;width:29px;height:29px;border-radius:8px;background:var(--dark);color:#fff;font-size:11px;font-weight:800;letter-spacing:0}
.mark.small{width:24px;height:24px;font-size:10px}
.sitebar nav{display:flex;gap:28px;flex:1}
.sitebar nav a{color:#555c68;text-decoration:none;font-size:13px}
.sitebar nav a:hover{color:var(--ink)}
.head-actions{display:flex;gap:10px}
.textbtn,.outline,.solid{border:1px solid var(--line);background:#fff;padding:10px 15px;border-radius:8px;cursor:pointer;font-weight:600;color:var(--ink);text-decoration:none;display:inline-flex;align-items:center;gap:6px;font-size:13px;transition:.15s}
.textbtn{border-color:transparent;background:transparent}
.outline:hover{border-color:#c9cdd4}
.solid{background:var(--dark);border-color:var(--dark);color:#fff}
.solid:hover{background:#1b2130}
.large{padding:14px 20px;font-size:14px}

/* ---------- hero ---------- */
.hero{max-width:1100px;margin:0 auto;text-align:center;padding:105px 20px 70px;position:relative}
.hero::before{content:"";position:absolute;inset:-40px 0 auto;height:520px;background:radial-gradient(600px 300px at 50% 0,#3157d514,transparent 70%);pointer-events:none;z-index:-1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;padding:8px 12px;border-radius:99px;color:#5d6470;font-size:12px}
.eyebrow span{width:6px;height:6px;border-radius:50%;background:var(--green);animation:nabiz 1.6s ease-in-out infinite}
h1{font-size:clamp(44px,7vw,82px);line-height:1.02;letter-spacing:-.065em;margin:25px 0 22px;font-weight:700}
.hero em{font-style:normal;color:var(--blue)}
.hero p{max-width:680px;margin:auto;color:var(--muted);font-size:18px;line-height:1.65}
.hero-actions{display:flex;justify-content:center;gap:10px;margin:30px 0 18px}
.trust{display:flex;justify-content:center;gap:24px;color:#777e89;font-size:11px}
/* kademeli giriş */
.rise{opacity:0;transform:translateY(14px);animation:rise .7s cubic-bezier(.2,.7,.2,1) forwards}
.rise.d1{animation-delay:.05s}.rise.d2{animation-delay:.18s}.rise.d3{animation-delay:.32s}.rise.d4{animation-delay:.46s}.rise.d5{animation-delay:.6s}
@keyframes rise{to{opacity:1;transform:none}}
@keyframes nabiz{0%,100%{box-shadow:0 0 0 0 #15966b66}50%{box-shadow:0 0 0 6px #15966b00}}

/* ---------- ürün vitrini: koyu tarayıcı çerçevesi içinde sohbet demosu ---------- */
.product-shot{max-width:1180px;margin:0 auto 90px;background:var(--d-bg);border:1px solid var(--d-line);border-radius:16px;box-shadow:0 35px 90px #11182720;overflow:hidden;opacity:0;transform:translateY(24px) scale(.985);animation:rise .9s .5s cubic-bezier(.2,.7,.2,1) forwards}
.browser{height:42px;display:grid;grid-template-columns:100px 1fr 100px;align-items:center;color:var(--d-text);font-size:10px;padding:0 15px;border-bottom:1px solid var(--d-line)}
.dots{display:flex;gap:6px}.dots i{width:7px;height:7px;border-radius:50%;background:#454b57}
.browser span{text-align:center}
.workspace{display:flex;min-height:600px}
.side{width:210px;border-right:1px solid var(--d-line);padding:22px 15px;color:var(--d-text)}
.mini-brand{color:#fff;font-weight:800;font-size:11px;display:flex;gap:8px;align-items:center;margin-bottom:28px;letter-spacing:.1em}
.navlabel{font-size:8px;letter-spacing:.15em;color:#525a68;margin:20px 8px 8px}
.side b{display:block;padding:9px 10px;border-radius:7px;font-size:11px;font-weight:500;margin:2px 0;line-height:1.35}
.side b small{display:block;font-size:9px;color:#5c6572;font-weight:400}
.side .selected{background:#1c2330;color:#fff}
.side .pno{color:#8fb0ff;font-weight:700}
.dash{flex:1;padding:22px 28px;background:#151920;display:flex;flex-direction:column;min-width:0}
.dashhead{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--d-line);padding-bottom:12px;margin-bottom:6px}
.dashhead small,.sectionhead small,.security small,.pricing>small,.steps>small{color:#727b88;font-size:9px;letter-spacing:.14em}
.dash h2{font-size:15px;margin:4px 0 0;color:#fff}
.stepbar{display:flex;gap:6px;align-items:center;font-size:9px;color:#6d7582}
.stepbar i{width:22px;height:4px;border-radius:2px;background:#2a3140;transition:background .4s}
.stepbar i.on{background:var(--blue)}
/* sohbet demosu */
.chat{flex:1;display:flex;flex-direction:column;gap:12px;padding:14px 0 6px;overflow:hidden;position:relative;min-height:420px}
.msg{display:flex;gap:10px;align-items:flex-start;opacity:0;transform:translateY(10px);transition:opacity .45s,transform .45s}
.msg.show{opacity:1;transform:none}
.msg.u{justify-content:flex-end}
.msg.u .b{background:#232a36;color:#e6e9ee;border-radius:14px 14px 4px 14px;padding:9px 13px;font-size:12px;max-width:70%}
.msg.a .av{width:26px;height:26px;border-radius:7px;background:var(--dark);border:1px solid #2f3745;color:#fff;font-size:9px;font-weight:800;display:grid;place-items:center;flex:none}
.msg.a .b{color:#c9d0da;font-size:12px;line-height:1.6;max-width:78%}
.msg.a .b strong{color:#fff}
.typing{display:inline-flex;gap:4px;padding:4px 0}
.typing i{width:6px;height:6px;border-radius:50%;background:#5c6572;animation:zipla 1.1s infinite}
.typing i:nth-child(2){animation-delay:.18s}.typing i:nth-child(3){animation-delay:.36s}
@keyframes zipla{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-4px);opacity:1}}
.chip{display:inline-flex;align-items:center;gap:7px;margin-left:36px;padding:5px 10px;border-radius:99px;background:#1b2029;border:1px solid var(--d-panel-line);color:#9aa3b0;font-size:10px;opacity:0;transform:translateY(8px);transition:opacity .4s,transform .4s;align-self:flex-start}
.chip.show{opacity:1;transform:none}
.chip i{width:7px;height:7px;border-radius:50%;background:var(--blue);animation:nabiz2 1s infinite}
.chip.ok i{background:#51c79d;animation:none}
.chip b{color:#fff;font-weight:600}
@keyframes nabiz2{50%{opacity:.3}}
.card{margin-left:36px;background:var(--d-panel);border:1px solid var(--d-panel-line);border-radius:10px;padding:12px 14px;max-width:78%;opacity:0;transform:translateY(10px);transition:opacity .45s,transform .45s}
.card.show{opacity:1;transform:none}
.card h4{margin:0 0 8px;color:#fff;font-size:11px}
.card table{border-collapse:collapse;width:100%;font-size:10px;color:#c9d0da}
.card td{padding:5px 6px;border-top:1px solid #2b313c}
.card td.old{color:#e07c7c;text-decoration:line-through}
.card td.new{color:#62d6b0;font-weight:700}
.card.approve{border-color:#5a4a1c;background:#221d12}
.card.approve h4{color:#e9bd58}
.card .btns{display:flex;gap:6px;justify-content:flex-end;margin-top:10px}
.card .btns span{font-size:10px;padding:6px 10px;border-radius:6px;border:1px solid #3a4150;color:#c9d0da}
.card .btns span.go{background:var(--blue);border-color:var(--blue);color:#fff;position:relative}
.card .btns span.go.click::after{content:"";position:absolute;inset:-4px;border-radius:9px;border:2px solid #8fb0ff;animation:ring .7s ease-out}
@keyframes ring{from{opacity:1;transform:scale(.9)}to{opacity:0;transform:scale(1.25)}}
.card.result{border-color:#1f4d3d;background:#12261f;max-width:60%}
.card.result h4{color:#62d6b0}
.code{font-family:ui-monospace,Consolas,monospace;font-size:26px;letter-spacing:6px;color:#62d6b0;font-weight:800;margin:4px 0 2px}
.code span{display:inline-block;opacity:0;transform:translateY(6px)}
.card.result.show .code span{animation:rise .35s forwards}
.code span:nth-child(1){animation-delay:.1s}.code span:nth-child(2){animation-delay:.2s}.code span:nth-child(3){animation-delay:.3s}.code span:nth-child(4){animation-delay:.4s}.code span:nth-child(5){animation-delay:.5s}.code span:nth-child(6){animation-delay:.6s}
.card.result small{color:#6f9a88;font-size:9px}
.composer{margin-top:auto;display:flex;align-items:center;gap:8px;border:1px solid var(--d-panel-line);background:#1b2029;border-radius:99px;padding:8px 8px 8px 14px;color:#5c6572;font-size:11px}
.composer .send{margin-left:auto;width:26px;height:26px;border-radius:50%;background:#e6e9ee;color:#111;display:grid;place-items:center;font-size:12px}
.replay{position:absolute;right:0;bottom:44px;font-size:9px;color:#5c6572;letter-spacing:.1em}

/* ---------- şerit ---------- */
.logos{max-width:1050px;margin:0 auto 110px;text-align:center;color:#9299a4;font-size:9px;letter-spacing:.15em}
.logos div{display:flex;justify-content:space-around;margin-top:28px;color:#626975;font-size:11px;letter-spacing:.04em}

/* ---------- hizmetler ---------- */
.features{max-width:1050px;margin:0 auto 120px;padding:0 20px}
.sectionhead h2,.security h2,.pricing h2,.steps h2{font-size:45px;line-height:1.05;letter-spacing:-.045em;margin:12px 0 42px}
.featuregrid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.featuregrid article{background:#fff;padding:26px;min-height:240px;transition:background .2s}
.yakinda{display:inline-block;vertical-align:middle;margin-left:6px;font-size:8px;letter-spacing:.1em;background:#eef2fd;color:var(--blue);padding:3px 6px;border-radius:5px;font-weight:700}
.featuregrid article:hover{background:#fbfcfe}
.ico{font-size:20px;color:var(--blue);display:inline-grid;place-items:center;width:38px;height:38px;border-radius:10px;background:#eef2fd}
.featuregrid h3{font-size:16px;margin:22px 0 10px}
.featuregrid p{color:var(--muted);line-height:1.6;font-size:13px}
.featuregrid a{display:block;margin-top:25px;font-size:12px;font-weight:700;text-decoration:none;color:var(--ink)}

/* ---------- nasıl çalışır ---------- */
.steps{max-width:1050px;margin:0 auto 120px;padding:0 20px}
.stepgrid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;position:relative}
.stepgrid::before{content:"";position:absolute;left:4%;right:4%;top:22px;height:2px;background:var(--line);z-index:0}
.stepgrid::after{content:"";position:absolute;left:4%;top:22px;height:2px;width:0;background:var(--blue);z-index:0;transition:width 2.4s cubic-bezier(.2,.7,.2,1)}
.stepgrid.on::after{width:92%}
.step{position:relative;z-index:1;text-align:center}
.step i{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#fff;border:2px solid var(--line);margin:0 auto 14px;font-style:normal;font-weight:800;font-size:13px;color:var(--muted);transition:border-color .3s,color .3s,transform .3s}
.stepgrid.on .step i{border-color:var(--blue);color:var(--blue)}
.stepgrid.on .step:nth-child(1) i{transition-delay:.1s}.stepgrid.on .step:nth-child(2) i{transition-delay:.5s}.stepgrid.on .step:nth-child(3) i{transition-delay:.9s}.stepgrid.on .step:nth-child(4) i{transition-delay:1.3s}.stepgrid.on .step:nth-child(5) i{transition-delay:1.7s}.stepgrid.on .step:nth-child(6) i{transition-delay:2.1s}
.step b{display:block;font-size:13px;margin-bottom:4px}
.step small{color:var(--muted);font-size:11px;line-height:1.45;display:block}

/* ---------- güvenlik ---------- */
.security{background:var(--d-bg);color:#fff;display:grid;grid-template-columns:1fr 420px;gap:100px;padding:100px max(20px,calc((100% - 1050px)/2));align-items:center}
.security h2{margin-bottom:20px}
.security p{color:#929aa6;line-height:1.7;max-width:570px}
.security-list{display:flex;gap:18px;flex-wrap:wrap;color:#bfc6d0;font-size:11px;margin-top:25px}
.security-card{border:1px solid #2a3039;background:#181d25;border-radius:14px;padding:30px}
.shield{width:48px;height:48px;border-radius:14px;background:#163b31;color:#62d6b0;display:grid;place-items:center;font-size:20px;animation:nabiz3 2.4s ease-in-out infinite}
@keyframes nabiz3{0%,100%{box-shadow:0 0 0 0 #62d6b033}50%{box-shadow:0 0 0 10px #62d6b000}}
.security-card h3{margin:25px 0 5px}
.security-card p{font-size:12px;color:#929aa6}
.line{height:1px;background:#2a3039;margin:30px 0}
.security-card small{color:#6f7884}

/* ---------- fiyatlar ---------- */
.pricing{max-width:1050px;margin:110px auto;padding:0 20px}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.plans>div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px;transition:transform .2s,box-shadow .2s}
.plans>div:hover{transform:translateY(-3px);box-shadow:0 18px 40px #11182714}
.plans .featured{border:2px solid #20242c;position:relative}
.featured label{position:absolute;right:18px;top:18px;font-size:8px;background:var(--d-bg);color:#fff;padding:6px;border-radius:5px;letter-spacing:.1em}
.plans h3{margin:0 0 8px}
.plans p{color:var(--muted);font-size:12px}
.plans strong{display:block;font-size:25px;margin:28px 0 4px}
.plans strong small{font-size:12px;color:var(--muted);font-weight:500}
.plans ul{list-style:none;padding:0;margin:0 0 22px;color:#555c68;font-size:12px;line-height:1.9}
.plans ul li::before{content:"✓ ";color:var(--green)}
.plans button,.plans a.solid,.plans a.outline{width:100%;justify-content:center}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:30px 5vw;display:flex;justify-content:space-between;color:#858c97;font-size:10px;align-items:center}
footer .brand{color:#333}
footer a{color:#858c97;text-decoration:none;margin-left:12px}

/* ---------- kaydırınca belirme ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.rise,.product-shot,.reveal{opacity:1;transform:none}.msg,.chip,.card{opacity:1;transform:none}}
@media(max-width:1000px){.featuregrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:800px){.sitebar{gap:15px;padding:0 18px}.sitebar nav{display:none}.hero{padding-top:70px}.hero-actions,.trust{flex-wrap:wrap}.workspace{min-width:900px}.product-shot{overflow:auto;margin-left:15px;margin-right:15px}.featuregrid,.plans,.security{grid-template-columns:1fr}.stepgrid{grid-template-columns:repeat(2,1fr)}.stepgrid::before,.stepgrid::after{display:none}.security{padding:70px 25px;gap:40px}.logos div{flex-wrap:wrap;gap:20px}.sectionhead h2,.security h2,.pricing h2,.steps h2{font-size:36px}footer{gap:15px;flex-wrap:wrap}}