/* ===== LetterLink — premium real estate system ===== */
:root{
  --ink:#163a5c;
  --ink-deep:#0f2942;
  --teal:#3f8f7c;
  --teal-soft:#6fb0a0;
  --coral:#c26b4f;
  --coral-soft:#d98a6f;
  --gold:#c9a24b;
  --bg:#faf8f4;
  --bg-2:#f2efe8;
  --card:#ffffff;
  --line:#e9e4d9;
  --line-soft:#f0ece3;
  --text:#2a333b;
  --muted:#7a848d;
  --white:#fff;
  --shadow:0 30px 70px -30px rgba(15,41,66,.28);
  --shadow-sm:0 14px 40px -22px rgba(15,41,66,.24);
  --shadow-xs:0 4px 18px -10px rgba(15,41,66,.2);
  --radius:20px;
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.serif{font-family:'Fraunces',Georgia,serif}
.script{font-family:'Caveat',cursive}
.center{text-align:center}

/* nav */
.nav{position:sticky;top:0;z-index:100;background:rgba(250,248,244,.85);backdrop-filter:blur(16px);border-bottom:1px solid var(--line-soft)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:80px}
.brand{display:flex;align-items:center;gap:11px;font-family:'Fraunces',serif;font-weight:600;font-size:1.55rem;color:var(--ink);letter-spacing:-.01em}
.brand .mark{width:36px;height:36px}
.brand i{font-style:normal;color:var(--teal)}
.nav-links{display:flex;align-items:center;gap:36px}
.nav-links a{font-weight:600;font-size:.94rem;color:var(--ink);position:relative;transition:color .2s}
.nav-links a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:2px;background:var(--coral);transition:width .25s}
.nav-links a:not(.btn):hover::after,.nav-links a.active:not(.btn)::after{width:100%}
.nav-links a:hover{color:var(--coral)}
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--ink);color:#fff;font-weight:700;font-size:.94rem;padding:13px 26px;border-radius:999px;border:none;cursor:pointer;box-shadow:0 12px 26px -14px rgba(22,58,92,.9);transition:transform .18s,box-shadow .18s,background .18s;min-height:46px;font-family:inherit}
.btn:hover{transform:translateY(-2px);background:var(--ink-deep);box-shadow:0 18px 34px -16px rgba(22,58,92,.95)}
.btn.coral{background:var(--coral);box-shadow:0 12px 26px -14px rgba(194,107,79,.9)}
.btn.coral:hover{background:#b0583d}
.btn.teal{background:var(--teal);box-shadow:0 12px 26px -14px rgba(63,143,124,.85)}
.btn.teal:hover{background:#347a68}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);box-shadow:none}
.btn.ghost:hover{background:var(--ink);color:#fff}
.btn.lg{padding:16px 34px;font-size:1.02rem;min-height:54px}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:10px}
.hamburger span{width:26px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}
.hamburger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* hero */
.hero{padding:90px 0 100px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;right:-10%;top:-16%;width:640px;height:640px;background:radial-gradient(circle,rgba(63,143,124,.12),transparent 62%);border-radius:50%}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:60px;align-items:center;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);margin-bottom:22px}
.eyebrow::before{content:"";width:30px;height:2px;background:var(--teal)}
h1.big{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(2.7rem,6.2vw,4.6rem);line-height:1.02;letter-spacing:-.025em;color:var(--ink);margin-bottom:24px}
h1.big em{font-style:italic;color:var(--coral)}
.hero p.lead{font-size:1.22rem;color:#48555f;max-width:540px;margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-note{font-size:.9rem;color:var(--muted);margin-top:18px;display:flex;align-items:center;gap:8px}
.hero-note i{color:var(--teal)}

/* letter visual */
.envelope{position:relative;background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:40px 38px;transform:rotate(1.5deg)}
.envelope .stamp{position:absolute;top:-16px;right:28px;width:66px;height:80px;background:linear-gradient(135deg,var(--teal),var(--teal-soft));border-radius:6px;display:grid;place-items:center;color:#fff;font-size:1.7rem;border:3px solid #fff;box-shadow:var(--shadow-sm)}
.envelope .hw{font-family:'Caveat',cursive;color:var(--ink);position:relative;z-index:1}
.envelope .hw h3{font-size:2rem;margin-bottom:14px;font-weight:700}
.envelope .hw p{font-size:1.34rem;line-height:1.5;color:#37444f}
.envelope .sig{margin-top:20px;font-family:'Caveat',cursive;font-size:1.5rem;color:var(--coral)}
.envelope .lines{position:absolute;inset:40px 38px;background:repeating-linear-gradient(transparent,transparent 37px,rgba(22,58,92,.05) 38px);pointer-events:none}

/* trust logos */
.logos{background:var(--ink);color:#c6d4e0;padding:30px 0}
.logos .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:16px 44px}
.logos .lbl{font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;color:#8ea6bb;font-weight:700;width:100%;text-align:center;margin-bottom:4px}
.logos .crm{font-family:'Fraunces',serif;font-size:1.15rem;font-weight:600;color:#dbe6ee;opacity:.9}

/* sections */
section.block{padding:100px 0}
.section-head{max-width:720px;margin:0 auto 60px;text-align:center}
.section-head.left{margin-left:0;text-align:left}
.kick{font-family:'Caveat',cursive;font-size:1.7rem;color:var(--coral);display:block;margin-bottom:2px}
.section-head h2{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(2.1rem,4.6vw,3.2rem);color:var(--ink);letter-spacing:-.02em;line-height:1.08}
.section-head p{color:var(--muted);font-size:1.12rem;margin-top:18px}
.tint{background:var(--bg-2)}
.dark{background:var(--ink);color:#c6d4e0}
.dark .section-head h2{color:#fff}
.dark .section-head p{color:#9db3c4}
.dark .kick{color:var(--coral-soft)}

/* statement */
.statement{text-align:center;max-width:900px;margin:0 auto}
.statement h2{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(2rem,5vw,3.4rem);line-height:1.2;letter-spacing:-.02em;color:var(--ink)}
.statement h2 em{font-style:italic;color:var(--teal)}

/* campaign grid */
.grid{display:grid;gap:24px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.camp{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:30px 28px;box-shadow:var(--shadow-xs);transition:transform .25s,box-shadow .25s,border-color .25s;position:relative;overflow:hidden}
.camp:hover{transform:translateY(-6px);box-shadow:var(--shadow-sm);border-color:var(--teal-soft)}
.camp .n{font-family:'Fraunces',serif;font-size:.9rem;color:var(--teal);font-weight:600;letter-spacing:.05em}
.camp .ic{width:52px;height:52px;border-radius:13px;display:grid;place-items:center;font-size:1.3rem;color:#fff;margin:14px 0 16px;background:linear-gradient(135deg,var(--ink),#2c5a80)}
.camp h3{font-family:'Fraunces',serif;font-size:1.28rem;color:var(--ink);margin-bottom:9px;font-weight:600}
.camp p{color:#54616b;font-size:.98rem}
.camp .when{margin-top:14px;display:inline-block;font-size:.76rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--coral);background:rgba(194,107,79,.1);padding:5px 12px;border-radius:999px}

/* comparison */
.compare{max-width:820px;margin:0 auto;display:grid;gap:14px}
.crow{display:grid;grid-template-columns:1fr auto;align-items:center;gap:20px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 26px;box-shadow:var(--shadow-xs)}
.crow.win{background:linear-gradient(120deg,rgba(63,143,124,.08),rgba(63,143,124,.02));border-color:var(--teal-soft);box-shadow:var(--shadow-sm)}
.crow .m{font-family:'Fraunces',serif;font-size:1.2rem;color:var(--ink);font-weight:600;display:flex;align-items:center;gap:14px}
.crow .m i{color:var(--muted);font-size:1.1rem;width:26px;text-align:center}
.crow.win .m i{color:var(--teal)}
.crow .r{font-weight:600;color:var(--muted);font-size:.95rem}
.crow.win .r{color:var(--teal);display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.crow.win .r span{background:var(--teal);color:#fff;padding:4px 12px;border-radius:999px;font-size:.82rem}

/* workflow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:960px;margin:0 auto;position:relative}
.flow-step{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px 22px;text-align:center;box-shadow:var(--shadow-xs);position:relative}
.flow-step .fic{width:56px;height:56px;border-radius:50%;background:var(--bg-2);color:var(--ink);display:grid;place-items:center;font-size:1.3rem;margin:0 auto 16px}
.flow-step:nth-child(4) .fic{background:var(--teal);color:#fff}
.flow-step h4{font-family:'Fraunces',serif;font-size:1.05rem;color:var(--ink);margin-bottom:6px}
.flow-step p{font-size:.9rem;color:var(--muted)}
.flow-step .arrow{position:absolute;right:-13px;top:50%;transform:translateY(-50%);color:var(--teal-soft);font-size:1.1rem;z-index:2}
.flow-step:last-child .arrow{display:none}

/* dashboard mockup */
.mock{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden;max-width:1000px;margin:0 auto}
.mock-bar{display:flex;align-items:center;gap:8px;padding:14px 18px;background:var(--bg-2);border-bottom:1px solid var(--line)}
.mock-bar .dot{width:11px;height:11px;border-radius:50%}
.mock-bar .u{margin-left:16px;font-size:.82rem;color:var(--muted)}
.mock-body{display:grid;grid-template-columns:200px 1fr;min-height:380px}
.mock-side{background:var(--ink);color:#c6d4e0;padding:24px 18px}
.mock-side .logo{font-family:'Fraunces',serif;color:#fff;font-size:1.2rem;margin-bottom:24px;font-weight:600}
.mock-side .logo i{color:var(--teal-soft);font-style:normal}
.mock-nav{list-style:none}
.mock-nav li{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:10px;font-size:.9rem;font-weight:600;margin-bottom:4px;color:#a9c0d1}
.mock-nav li.on{background:rgba(255,255,255,.1);color:#fff}
.mock-nav li i{width:18px;text-align:center;color:var(--teal-soft)}
.mock-main{padding:26px 28px}
.mock-main h4{font-family:'Fraunces',serif;color:var(--ink);font-size:1.25rem;margin-bottom:4px}
.mock-main .sub{font-size:.85rem;color:var(--muted);margin-bottom:22px}
.mock-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:22px}
.mstat{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:16px}
.mstat .v{font-family:'Fraunces',serif;font-size:1.7rem;color:var(--ink);font-weight:600}
.mstat .k{font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.mrow{display:flex;align-items:center;justify-content:space-between;padding:13px 16px;background:var(--bg);border:1px solid var(--line);border-radius:10px;margin-bottom:9px;font-size:.9rem}
.mrow .tag{font-size:.72rem;font-weight:700;padding:3px 10px;border-radius:999px;background:rgba(63,143,124,.14);color:var(--teal)}
.mrow .tag.sched{background:rgba(201,162,75,.16);color:#a07d1e}

/* ROI calculator */
.roi{background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden;max-width:1000px;margin:0 auto;display:grid;grid-template-columns:1fr .9fr}
.roi-in{padding:44px 42px}
.roi-in h3{font-family:'Fraunces',serif;font-size:1.6rem;color:var(--ink);margin-bottom:6px}
.roi-in .sub{color:var(--muted);font-size:.96rem;margin-bottom:26px}
.roi-field{margin-bottom:22px}
.roi-field label{display:flex;justify-content:space-between;font-weight:600;font-size:.92rem;color:var(--ink);margin-bottom:10px}
.roi-field label b{color:var(--teal)}
.roi-field input[type=range]{width:100%;accent-color:var(--teal);height:6px}
.roi-out{background:linear-gradient(150deg,var(--ink),var(--ink-deep));color:#fff;padding:44px 42px;display:flex;flex-direction:column;justify-content:center}
.roi-out .rlabel{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:#8ea6bb;font-weight:700}
.roi-out .rbig{font-family:'Fraunces',serif;font-size:clamp(2.6rem,6vw,3.6rem);font-weight:600;line-height:1;margin:8px 0 4px}
.roi-out .rsmall{color:#b8cad8;font-size:.95rem;margin-bottom:26px}
.roi-out .rnote{border-top:1px solid rgba(255,255,255,.15);padding-top:20px;font-size:.95rem;color:#dbe6ee}
.roi-out .rnote b{color:var(--teal-soft)}

/* metrics */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.metric .v{font-family:'Fraunces',serif;font-size:clamp(2.2rem,5vw,3rem);color:var(--teal);font-weight:600;line-height:1}
.metric .k{color:var(--muted);font-size:.98rem;margin-top:8px}
.dark .metric .v{color:var(--teal-soft)}
.dark .metric .k{color:#9db3c4}

/* template pills */
.pills{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:820px;margin:0 auto}
.pill{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:11px 22px;font-weight:600;color:var(--ink);font-size:.95rem;box-shadow:var(--shadow-xs);transition:transform .2s,border-color .2s}
.pill:hover{transform:translateY(-3px);border-color:var(--teal);color:var(--teal)}
.pill i{color:var(--teal);margin-right:7px}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split.rev .split-text{order:2}
.split-text .kick{margin-bottom:2px}
.split-text h2{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(1.9rem,4vw,2.7rem);color:var(--ink);margin:4px 0 18px;letter-spacing:-.02em;line-height:1.12}
.split-text p{color:#54616b;font-size:1.06rem;margin-bottom:16px}
.split-media{border-radius:22px;overflow:hidden;box-shadow:var(--shadow);min-height:360px;background:linear-gradient(135deg,var(--teal),var(--ink));display:grid;place-items:center;color:#fff}
.split-media .big-ic{font-size:5rem;opacity:.92}
.checks{list-style:none;margin:6px 0 26px}
.checks li{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px;color:#3a4a56;font-weight:500}
.checks i{color:var(--teal);margin-top:5px}

/* page hero */
.page-hero{background:linear-gradient(140deg,var(--ink),var(--ink-deep));color:#fff;padding:80px 0 74px;text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;left:50%;bottom:-70px;transform:translateX(-50%);width:680px;height:220px;background:radial-gradient(ellipse,rgba(63,143,124,.3),transparent 70%)}
.page-hero .kick{color:var(--teal-soft)}
.page-hero h1{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(2.3rem,5.4vw,3.6rem);letter-spacing:-.02em;position:relative}
.page-hero p{color:#b8cad8;max-width:620px;margin:16px auto 0;position:relative;font-size:1.1rem}

/* CTA banner */
.cta-banner{background:linear-gradient(135deg,var(--ink),var(--ink-deep));border-radius:28px;padding:70px 48px;text-align:center;color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
.cta-banner::before{content:"";position:absolute;right:-50px;top:-50px;width:260px;height:260px;background:radial-gradient(circle,rgba(63,143,124,.32),transparent 65%);border-radius:50%}
.cta-banner .kick{color:var(--coral-soft)}
.cta-banner h2{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(2rem,4.6vw,3.1rem);margin-bottom:14px;position:relative;letter-spacing:-.02em}
.cta-banner p{color:#b8cad8;max-width:540px;margin:0 auto 30px;position:relative;font-size:1.08rem}

/* contact + form */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:44px 40px}
.form-field{margin-bottom:18px}
.form-field label{display:block;font-weight:600;font-size:.9rem;color:var(--ink);margin-bottom:7px}
.form-field input,.form-field textarea,.form-field select{width:100%;padding:14px 16px;font-size:16px;font-family:inherit;background:var(--bg);border:1.5px solid var(--line);border-radius:12px;color:var(--text);transition:border-color .2s,box-shadow .2s}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 4px rgba(63,143,124,.14)}
.form-field textarea{resize:vertical;min-height:120px}
.contact-info li{list-style:none;display:flex;gap:16px;align-items:flex-start;margin-bottom:24px}
.contact-info .ic{width:50px;height:50px;flex:0 0 auto;border-radius:13px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:1.15rem}
.contact-info h4{font-family:'Fraunces',serif;color:var(--ink);font-size:1.12rem;margin-bottom:2px}
.contact-info a,.contact-info span{color:#54616b}

/* footer */
footer{background:var(--ink-deep);color:#9db3c4;padding:70px 0 32px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.foot-brand{font-family:'Fraunces',serif;font-size:1.75rem;color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.foot-brand img{width:34px}
.foot-brand i{color:var(--teal-soft);font-style:normal}
.foot-col p{font-size:.95rem;max-width:300px}
.foot-col h5{color:#fff;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px}
.foot-col ul{list-style:none}
.foot-col li{margin-bottom:11px}
.foot-col a{font-size:.95rem;transition:color .2s}
.foot-col a:hover{color:var(--teal-soft)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:.86rem}
.socials{display:flex;gap:12px}
.socials a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.08);display:grid;place-items:center;transition:.2s}
.socials a:hover{background:var(--teal);color:#fff;transform:translateY(-3px)}

/* reveal */
.fade-up{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.fade-up.visible{opacity:1;transform:none}

/* responsive */
@media(max-width:1024px){
  .hero-grid,.split,.roi,.contact-grid{grid-template-columns:1fr;gap:44px}
  .split.rev .split-text{order:0}
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr);gap:22px}
  .flow-step .arrow{display:none}
  .metrics{grid-template-columns:repeat(2,1fr);gap:36px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .mock-body{grid-template-columns:1fr}
  .mock-side{display:none}
}
@media(max-width:768px){
  .nav-links{position:fixed;inset:80px 0 auto 0;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 0;transform:translateY(-150%);transition:transform .35s ease;box-shadow:var(--shadow)}
  .nav-links.active{transform:translateY(0)}
  .nav-links a{width:100%;padding:16px 28px;border-bottom:1px solid var(--line-soft)}
  .nav-links a:not(.btn)::after{display:none}
  .nav-links .btn{margin:12px 28px;justify-content:center}
  .hamburger{display:flex}
  section.block{padding:70px 0}
  .hero{padding:56px 0 68px}
  .envelope{transform:none}
  .g3,.g2,.g4{grid-template-columns:1fr}
  .compare .crow{grid-template-columns:1fr;gap:10px}
  .crow.win .r{justify-content:flex-start}
  .metrics{grid-template-columns:1fr 1fr;gap:30px}
  .roi-in,.roi-out{padding:34px 26px}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .foot-bottom{flex-direction:column;text-align:center}
  .foot-bottom .socials{justify-content:center}
  .cta-banner{padding:48px 26px}
  .hero::before{animation:none}
}
@media(max-width:480px){.wrap{padding:0 18px}.metrics{grid-template-columns:1fr}}