/* ===== AQUATAM — Diseño y Construcción de Albercas (Tampico) =====
   Dirección: claro, fotográfico, premium azul (ref. Olga).
   Sora (display) + Hanken Grotesk (body). Mobile-first, vanilla. */

:root{
  --abyss:#08233f;
  --navy:#0e2a4d;
  --navy-2:#143a66;
  --blue:#1566ad;
  --blue-2:#1f7ec9;
  --accent:#2f86d6;
  --aqua:#46c0df;
  --ink:#16222e;
  --bg:#ffffff;
  --bg-soft:#f3f7fb;
  --bg-soft-2:#eef4fa;
  --muted:#62718200;
  --muted:#647184;
  --line:#e5edf4;
  --line-2:#dde7f0;
  --cta:#16965b;
  --shadow:0 30px 70px -34px rgba(8,35,63,.45);
  --shadow-md:0 22px 50px -24px rgba(8,35,63,.34);
  --shadow-sm:0 14px 32px -18px rgba(8,35,63,.24);
  --radius:18px;
  --radius-sm:12px;
  --maxw:1200px;
  --display:"Sora",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --sans:"Hanken Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.62;font-size:17px;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

h1,h2,h3{font-family:var(--display);color:var(--navy);line-height:1.12;letter-spacing:-.02em;font-weight:700}
h1{font-size:clamp(2.3rem,5.4vw,3.7rem);font-weight:700;line-height:1.05}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem)}
h3{font-size:clamp(1.1rem,2vw,1.3rem);font-weight:600}
p{color:#41505f}

/* eyebrow */
.eyebrow{display:inline-block;font-family:var(--sans);font-weight:700;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--blue);margin-bottom:16px}
.on-dark .eyebrow,.eyebrow.light{color:#7db4e6}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:9px;justify-content:center;font-family:var(--sans);font-weight:600;font-size:.97rem;cursor:pointer;padding:15px 26px;border-radius:8px;border:1.5px solid transparent;transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 14px 30px -14px rgba(21,102,173,.7)}
.btn-primary:hover{background:#12568f;transform:translateY(-2px);box-shadow:0 20px 40px -14px rgba(21,102,173,.8)}
.btn-outline{background:transparent;color:var(--navy);border-color:var(--line-2)}
.btn-outline:hover{border-color:var(--blue);color:var(--blue)}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-line:hover{background:#fff;color:var(--navy)}
.btn-wa{background:var(--cta);color:#fff}
.btn-wa:hover{background:#0f7d4a;transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--navy)}
.btn-white:hover{background:#eef4fa;transform:translateY(-2px)}

/* reusable CTA banner */
.cta-banner{position:relative;overflow:hidden;background:linear-gradient(135deg,#0e2a4d,#143a66 70%,#1f74c2);border-radius:16px;padding:28px 34px;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;color:#fff;box-shadow:var(--shadow-sm)}
.cta-banner::before{content:"";position:absolute;inset:0;background:radial-gradient(520px 220px at 90% -40%,rgba(70,192,223,.3),transparent 60%)}
.cta-banner>*{position:relative;z-index:1}
.cta-banner .cb-left{display:flex;align-items:center;gap:18px}
.cta-banner .cb-ic{width:48px;height:48px;flex:0 0 auto;color:var(--aqua)}
.cta-banner .cb-ic svg{width:48px;height:48px}
.cta-banner b{font-family:var(--display);font-size:1.3rem;display:block;line-height:1.15}
.cta-banner span{color:#cfe0ee;font-size:.98rem}
@media(max-width:640px){.cta-banner{padding:24px 22px}.cta-banner .cb-ic{display:none}.cta-banner b{font-size:1.12rem}}

/* navbar */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:100px;gap:22px}
.brand{flex:0 0 auto;display:flex;flex-direction:column;align-items:center;gap:5px;line-height:1}
.brand .logo{height:62px;width:auto;flex:0 0 auto;display:block}
.brand-tag{display:flex;align-items:center;justify-content:center;gap:6px;font-size:.46rem;letter-spacing:.12em;text-transform:uppercase;color:var(--navy);white-space:nowrap;font-weight:600}
.brand-tag::before,.brand-tag::after{content:"";height:1px;width:13px;background:currentColor;opacity:.5}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-weight:600;font-size:.82rem;letter-spacing:.05em;text-transform:uppercase;color:#43525f;position:relative;padding:6px 0;white-space:nowrap;transition:color .2s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--blue);transition:width .3s}
.nav-links a:hover{color:var(--navy)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:var(--navy)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-wa{width:42px;height:42px;border-radius:50%;background:var(--cta);display:grid;place-items:center;flex:0 0 auto;transition:transform .2s}
.nav-wa:hover{transform:scale(1.08)}
.nav-wa svg{width:22px;height:22px;fill:#fff}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;transition:.3s}

/* HERO */
.hero{position:relative;background:linear-gradient(180deg,#fff,var(--bg-soft));padding:54px 0 0;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:48px;align-items:center;min-height:62vh}
.hero-copy{padding:18px 0 64px}
.hero h1{max-width:14ch}
.hero h1 .accent{color:var(--accent)}
.hero .lede{font-size:clamp(1.05rem,1.9vw,1.22rem);color:#46566a;max-width:46ch;margin:20px 0 30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-trust{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;margin:26px 0 0;padding:0}
.hero-trust li{display:flex;align-items:center;gap:9px;font-size:.92rem;font-weight:500;color:#3a4a5c}
.hero-trust li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--blue)}
.hero-media{position:relative;align-self:stretch;min-height:60vh}
.hero-photo{position:absolute;inset:30px -24px 0 0;border-radius:18px 0 0 18px;background:linear-gradient(135deg,#0e2a4d,#1f7ec9 60%,#46c0df);box-shadow:var(--shadow);overflow:hidden}
.hero-photo img{width:100%;height:100%;object-fit:cover;display:block}
.hero-photo .ph-label{position:absolute;left:18px;bottom:16px;font-size:.72rem;letter-spacing:.04em;color:rgba(255,255,255,.8);background:rgba(8,35,63,.4);padding:5px 11px;border-radius:6px}
.hero-badge{position:absolute;right:26px;bottom:90px;z-index:3;max-width:250px;background:rgba(14,42,77,.92);backdrop-filter:blur(6px);color:#dbe8f4;padding:18px 20px;border-radius:14px;box-shadow:var(--shadow-md);display:flex;gap:13px;align-items:flex-start}
.hero-badge svg{width:30px;height:30px;flex:0 0 auto;color:var(--aqua)}
.hero-badge p{font-size:.86rem;line-height:1.45;color:#dbe8f4;margin:0}

/* FEATURE BAR */
.features-wrap{position:relative;z-index:5;margin-top:-46px}
.features{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-md);display:grid;grid-template-columns:repeat(4,1fr);padding:14px 0}
.feature{text-align:center;padding:24px 26px;border-right:1px solid var(--line)}
.feature:last-child{border-right:0}
.feature .ic{width:46px;height:46px;margin:0 auto 14px;display:grid;place-items:center;color:var(--blue)}
.feature .ic svg{width:30px;height:30px}
.feature h3{font-size:1.02rem;margin-bottom:7px;color:var(--navy)}
.feature p{font-size:.9rem;color:#5a6b7c;line-height:1.5}

/* SECTIONS */
section{padding:88px 0}
.section-head{max-width:680px;margin:0 auto 50px;text-align:center}
.section-head p{color:var(--muted);margin-top:12px;font-size:1.04rem}

/* SERVICES split */
.services{padding-top:64px}
.split{display:grid;grid-template-columns:.92fr 1.08fr;gap:60px;align-items:center}
.svc-list{list-style:none;margin:26px 0 30px;display:grid;gap:15px}
.svc-list li{display:flex;gap:13px;align-items:center;font-size:1.04rem;color:#2e3d4c}
.svc-list li svg{width:22px;height:22px;flex:0 0 auto;color:var(--blue)}
.svc-media{position:relative}
.svc-photo{border-radius:var(--radius);min-height:430px;background:linear-gradient(135deg,#0e2a4d,#1f7ec9 60%,#46c0df);box-shadow:var(--shadow);position:relative;overflow:hidden}
.svc-photo>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.svc-photo .ph-label{position:absolute;left:18px;top:16px;font-size:.72rem;color:rgba(255,255,255,.82);background:rgba(8,35,63,.4);padding:5px 11px;border-radius:6px}
.svc-stats{position:absolute;left:24px;right:24px;bottom:24px;background:rgba(255,255,255,.97);border-radius:14px;box-shadow:var(--shadow-md);display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:16px;padding:18px 22px;align-items:center}
.svc-stats .lead{display:flex;gap:11px;align-items:center}
.svc-stats .lead svg{width:30px;height:30px;color:var(--blue);flex:0 0 auto}
.svc-stats .lead span{font-size:.9rem;color:#3a4a5a;line-height:1.3;font-weight:500}
.svc-stats .chip b{font-family:var(--display);display:block;color:var(--navy);font-size:1.02rem;font-weight:700;line-height:1.1}
.svc-stats .chip span{font-size:.78rem;color:#6a7b8c}

/* PROJECTS */
.proj-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:36px}
.proj-head .ver{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:600;font-size:.92rem;white-space:nowrap}
.proj-head .ver svg{width:18px;height:18px;transition:transform .25s}
.proj-head .ver:hover svg{transform:translateX(4px)}
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.project-cta{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:12px;position:relative;overflow:hidden;border-radius:14px;padding:32px;color:#fff;min-height:230px;background:linear-gradient(150deg,#0e2a4d,#1f7ec9 70%,#46c0df);box-shadow:var(--shadow-sm)}
.project-cta h3{color:#fff;font-size:1.25rem}
.project-cta p{color:#dbe8f4;font-size:.94rem;margin-bottom:4px}
.project figure{margin:0}
.project .ph{height:230px;border-radius:14px;background:linear-gradient(140deg,#0e2a4d,#1f7ec9 65%,#46c0df);box-shadow:var(--shadow-sm);position:relative;overflow:hidden;transition:transform .3s,box-shadow .3s}
.project .ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.project:hover .ph{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.project figcaption{margin-top:14px;font-weight:600;color:var(--navy);font-size:.98rem}
.project .loc{display:block;font-weight:400;color:var(--muted);font-size:.84rem;margin-top:2px}

/* CONTACT */
.contact{position:relative;overflow:hidden;background:var(--abyss);color:#fff;padding:84px 0}
.contact::before{content:"";position:absolute;inset:0;background:radial-gradient(820px 420px at 85% -10%,rgba(70,192,223,.28),transparent 60%),linear-gradient(150deg,#06203a,#0e2a4d 60%,#143a66)}
.contact .wrap{position:relative;z-index:1}
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr .7fr;gap:44px;align-items:start}
.contact h2{color:#fff}
.contact .intro p{color:#cfe0ee;margin-top:16px;max-width:34ch}
.form{display:grid;gap:13px}
.form input,.form select,.form textarea{width:100%;font-family:var(--sans);font-size:.98rem;color:#fff;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.2);border-radius:9px;padding:14px 16px;transition:border-color .2s,background .2s}
.form input::placeholder,.form textarea::placeholder{color:#9fb6cc}
.form select{color:#9fb6cc}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--aqua);background:rgba(255,255,255,.12)}
.form .btn{margin-top:4px;justify-content:center}
.contact-info{display:grid;gap:20px}
.contact-info .ci{display:flex;gap:12px;align-items:flex-start}
.contact-info .ci svg{width:22px;height:22px;color:var(--aqua);flex:0 0 auto;margin-top:2px}
.contact-info .ci b{display:block;color:#fff;font-weight:600;font-size:.96rem}
.contact-info .ci span{color:#acc2d8;font-size:.9rem}

/* FOOTER */
.foot{background:#061a31;color:#9fb4cc;padding:34px 0}
.foot-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot-logo{display:flex;flex-direction:column;align-items:center;gap:9px}
.foot .logo{height:86px;width:auto}
.foot-tag{display:flex;align-items:center;justify-content:center;gap:8px;font-size:.56rem;letter-spacing:.14em;text-transform:uppercase;color:#9fb4cc;font-weight:600;white-space:nowrap}
.foot-tag::before,.foot-tag::after{content:"";height:1px;width:16px;background:currentColor;opacity:.5}
.foot .copy{font-size:.86rem;color:#7e95ae;text-align:center;flex:1 1 auto}
.foot .social{display:flex;gap:12px}
.foot .social a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.16);display:grid;place-items:center;transition:background .2s,border-color .2s}
.foot .social a:hover{background:rgba(255,255,255,.1);border-color:transparent}
.foot .social svg{width:18px;height:18px;fill:#cdddec}

/* sticky cta */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:70;transform:translateY(120%);transition:transform .4s cubic-bezier(.2,.7,.3,1);background:linear-gradient(135deg,#0e2a4d,#143a66 80%,#1f4f86);box-shadow:0 -14px 34px -20px rgba(8,35,63,.55)}
.sticky-cta.show{transform:translateY(0)}
.sticky-inner{display:flex;align-items:center;gap:16px;padding:14px 24px;max-width:var(--maxw);margin:0 auto}
.sticky-ic{width:32px;height:32px;flex:0 0 auto;color:var(--aqua);display:grid;place-items:center}
.sticky-ic svg{width:32px;height:32px}
.sticky-inner .txt{flex:1 1 auto}
.sticky-inner .txt b{display:block;font-family:var(--display);color:#fff;font-weight:600;font-size:1.04rem}
.sticky-inner .txt span{font-size:.85rem;color:#cfe0ee}

/* whatsapp float */
.wa-float{position:fixed;right:20px;bottom:88px;z-index:65;width:56px;height:56px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 14px 30px -10px rgba(37,211,102,.65);transition:transform .25s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px;fill:#fff}

/* fade-in */
.fade{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}
.fade.in{opacity:1;transform:none}

/* page hero / prose (interiores) */
.page-hero{position:relative;overflow:hidden;background:var(--abyss);color:#fff;padding:78px 0 66px}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(820px 420px at 82% -16%,rgba(70,192,223,.28),transparent 60%),linear-gradient(150deg,#06203a,#0e2a4d 60%,#143a66)}
.page-hero .wrap{position:relative;z-index:1}
.page-hero h1{color:#fff}
.page-hero p{color:#cfe0ee;max-width:60ch;margin-top:14px}
.prose{max-width:740px;margin:0 auto}
.prose p{margin:0 0 20px;font-size:1.08rem;line-height:1.75}
.prose h2{margin:42px 0 14px}
.prose h3{margin:28px 0 10px}

/* ===== ARTICLE ===== */
.art-hero{position:relative;overflow:hidden;background:var(--abyss);color:#fff;padding:62px 0 54px}
.art-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(820px 420px at 82% -16%,rgba(70,192,223,.26),transparent 60%),linear-gradient(150deg,#06203a,#0e2a4d 60%,#143a66)}
.art-hero .wrap{position:relative;z-index:1;max-width:840px}
.art-hero .crumbs{color:#9fc0dd;padding:0 0 16px}
.art-hero .crumbs a{color:#9fc0dd}
.art-hero .crumbs a:hover{color:#fff}
.art-hero .kicker{display:inline-block;font-weight:700;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:#7db4e6;margin-bottom:12px}
.art-hero h1{color:#fff;font-size:clamp(2rem,4.6vw,3.1rem)}
.art-hero h1 em{font-style:italic;color:var(--aqua)}
.art-hero .lead{color:#cfe0ee;font-size:1.1rem;margin-top:16px;line-height:1.6}
.art-hero .meta{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:22px;font-size:.86rem;color:#9fc0dd}
.art-hero .meta span{display:flex;align-items:center;gap:7px}
.art-body{padding:48px 0 80px}
.art-grid{display:grid;grid-template-columns:230px minmax(0,1fr);gap:48px;align-items:start;max-width:1040px;margin:0 auto}
.toc{position:sticky;top:108px;font-size:.9rem}
.toc h4{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.toc a{display:block;color:#52616f;padding:7px 0 7px 14px;border-left:2px solid var(--line);transition:all .2s}
.toc a:hover,.toc a.active{color:var(--navy);border-color:var(--blue);font-weight:600}
.article{max-width:720px}
.article h2{font-size:clamp(1.45rem,3vw,1.95rem);margin:42px 0 16px;scroll-margin-top:110px}
.article h3{margin:26px 0 10px;font-size:1.2rem}
.article p{margin:0 0 18px;font-size:1.07rem;line-height:1.76;color:#33414f}
.article ul,.article ol{margin:0 0 20px 4px;padding-left:22px}
.article li{margin-bottom:9px;font-size:1.05rem;line-height:1.65}
.article a:not(.btn){color:var(--blue);font-weight:500;text-decoration:underline;text-underline-offset:2px}
.article figure{margin:28px 0}
.article figure img{width:100%;border-radius:14px;display:block;box-shadow:var(--shadow-sm)}
.article figcaption{font-size:.84rem;color:var(--muted);margin-top:9px;text-align:center}
.article .cta-banner{margin:30px 0}
.answer-direct{background:var(--bg-soft-2);border-left:4px solid var(--blue);border-radius:0 12px 12px 0;padding:20px 24px;font-size:1.1rem;line-height:1.65;color:var(--navy);margin:0 0 26px}
.tldr{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px 26px;margin:0 0 30px;box-shadow:var(--shadow-sm)}
.tldr-h{font-family:var(--display);font-weight:700;color:var(--navy);font-size:1.06rem;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.tldr-h::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--blue)}
.tldr ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.tldr li{display:flex;gap:11px;align-items:flex-start;font-size:1rem;color:#3a4a5a}
.tldr li svg{width:20px;height:20px;color:var(--blue);flex:0 0 auto;margin-top:2px}
.tldr-cta{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-weight:600;color:var(--blue)}
.factor-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:8px 0 26px}
.factor{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px}
.factor .ic{width:40px;height:40px;border-radius:9px;display:grid;place-items:center;background:var(--bg-soft-2);color:var(--blue);margin-bottom:13px}
.factor .ic svg{width:22px;height:22px}
.factor h3{margin:0 0 6px;font-size:1.05rem}
.factor p{margin:0;font-size:.94rem;color:#52616f;line-height:1.5}
.callout{display:flex;gap:14px;background:#fff7e8;border:1px solid #f3e2bd;border-radius:12px;padding:18px 20px;margin:0 0 26px}
.callout svg{width:24px;height:24px;color:#c08a16;flex:0 0 auto;margin-top:2px}
.callout p{margin:0;font-size:1rem;color:#6b5418;line-height:1.55}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:8px 0 26px}
.incl{border:1px solid var(--line);border-radius:12px;padding:22px 24px;background:#fff}
.incl h3{margin:0 0 14px;font-size:1.05rem;display:flex;align-items:center;gap:9px}
.incl ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.incl li{display:flex;gap:10px;align-items:flex-start;font-size:.98rem;color:#3a4a5a}
.incl.yes h3{color:#16965b}.incl.no h3{color:#b4453a}
.incl li svg{width:19px;height:19px;flex:0 0 auto;margin-top:2px}
.incl.yes li svg{color:#16965b}.incl.no li svg{color:#b4453a}
.art-steps{display:grid;gap:14px;margin:8px 0 26px;counter-reset:st}
.art-step{display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.art-step .num{width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-family:var(--display);font-weight:700}
.art-step h3{margin:0 0 4px;font-size:1.05rem}
.art-step p{margin:0;font-size:.96rem;color:#52616f}
.art-cta-inline{background:linear-gradient(150deg,#0e2a4d,#1f7ec9);border-radius:14px;padding:28px 30px;margin:30px 0;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.art-cta-inline b{font-family:var(--display);font-size:1.2rem;display:block}
.art-cta-inline span{color:#d3e3f2;font-size:.96rem}
.inline-card{display:block;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:0 12px 12px 0;padding:18px 22px;margin:26px 0;background:#fff;transition:transform .2s,box-shadow .2s}
.inline-card:hover{transform:translateX(4px);box-shadow:var(--shadow-sm)}
.inline-card .k{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}
.inline-card .t{display:block;font-family:var(--display);font-weight:600;color:var(--navy);margin-top:5px;font-size:1.08rem}
.faq-list{margin:8px 0 26px}
.faq-list details{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;background:#fff;overflow:hidden}
.faq-list summary{cursor:pointer;list-style:none;padding:18px 22px;font-family:var(--display);font-weight:600;color:var(--navy);font-size:1.06rem;display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";color:var(--blue);font-size:1.4rem;flex:0 0 auto;transition:transform .25s}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list .faq-body{padding:0 22px 20px;color:#42535f;font-size:1rem;line-height:1.6}
.art-end-cta{position:relative;overflow:hidden;background:var(--abyss);border-radius:16px;padding:48px 40px;text-align:center;color:#fff;margin:40px 0 0}
.art-end-cta::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 360px at 50% -20%,rgba(70,192,223,.32),transparent 60%),linear-gradient(150deg,#06203a,#0e2a4d 60%,#143a66)}
.art-end-cta>*{position:relative;z-index:1}
.art-end-cta h2{color:#fff;margin:0 0 12px}
.art-end-cta p{color:#cfe0ee;max-width:46ch;margin:0 auto 22px}
.author{display:flex;align-items:center;gap:14px;margin:34px 0 0;padding-top:24px;border-top:1px solid var(--line);font-size:.92rem;color:var(--muted)}
.author .av{width:46px;height:46px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-family:var(--display);font-weight:700;flex:0 0 auto}
.author b{color:var(--navy);display:block;font-size:.98rem}

/* ===== BLOG ===== */
.blog-hero{position:relative;overflow:hidden;background:var(--abyss);color:#fff;padding:74px 0 64px}
.blog-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(820px 420px at 82% -16%,rgba(70,192,223,.28),transparent 60%),linear-gradient(150deg,#06203a,#0e2a4d 60%,#143a66)}
.blog-hero .wrap{position:relative;z-index:1}
.blog-hero .kicker{display:inline-block;font-weight:700;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:#7db4e6;margin-bottom:14px}
.blog-hero h1{color:#fff}
.blog-hero h1 em{font-style:italic;color:var(--aqua)}
.blog-hero p{color:#cfe0ee;max-width:56ch;margin-top:14px;font-size:1.06rem}
.filters{border-bottom:1px solid var(--line);position:sticky;top:100px;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(10px)}
.filters .wrap{display:flex;flex-wrap:wrap;gap:10px;padding-top:16px;padding-bottom:16px}
.filter{font-size:.86rem;font-weight:600;color:#43525f;padding:8px 16px;border:1px solid var(--line-2);border-radius:999px;cursor:pointer;transition:all .2s}
.filter:hover,.filter.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.featured{padding:54px 0 0}
.featured-card{display:grid;grid-template-columns:1.1fr .9fr;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;background:#fff}
.featured-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.featured-img{position:relative;min-height:300px;overflow:hidden}
.featured-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.featured-content{padding:40px 38px;display:flex;flex-direction:column;justify-content:center}
.featured-tag{display:inline-block;align-self:flex-start;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);background:var(--bg-soft-2);padding:5px 12px;border-radius:999px;margin-bottom:16px}
.featured-content h2{font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:12px}
.featured-content p{color:#46566a;font-size:1.02rem}
.featured-btn{margin-top:20px;font-weight:600;color:var(--blue)}
.blog-section{padding:64px 0 88px}
.sec-title{display:flex;align-items:center;gap:20px;margin-bottom:34px}
.sec-title h2{white-space:nowrap}
.sec-title-line{height:1px;background:var(--line);flex:1}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.blog-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;background:#fff;transition:transform .3s,box-shadow .3s}
.blog-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.blog-img{position:relative;height:188px;overflow:hidden;background:linear-gradient(140deg,#0e2a4d,#1f7ec9 65%,#46c0df)}
.blog-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.blog-cat{position:absolute;left:14px;top:14px;z-index:2;font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:rgba(10,42,77,.78);padding:5px 11px;border-radius:999px}
.blog-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.blog-body h3{font-size:1.12rem;margin-bottom:9px;line-height:1.25}
.blog-body p{font-size:.94rem;color:#52616f;flex:1}
.blog-meta{display:flex;align-items:center;gap:9px;margin-top:16px;font-size:.82rem;color:var(--muted)}
.blog-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-2)}

/* responsive */
@media(max-width:980px){
  .featured-card{grid-template-columns:1fr}
  .featured-img{min-height:220px}
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .filters{top:100px}
  .art-grid{grid-template-columns:1fr;gap:0}
  .toc{display:none}
  .article{max-width:none}
  .nav-links{position:fixed;inset:96px 0 auto 0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 22px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .35s ease;box-shadow:var(--shadow-sm)}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{width:100%;padding:14px 0;border-bottom:1px solid var(--line);font-size:.95rem}
  .nav-toggle{display:block}
  .hero-grid{grid-template-columns:1fr;gap:0}
  .hero-copy{padding-bottom:30px}
  .hero-media{min-height:300px;margin:0 -24px}
  .hero-photo{position:relative;inset:auto;border-radius:16px;min-height:300px}
  .hero-badge{right:16px;bottom:16px}
  .features{grid-template-columns:repeat(2,1fr)}
  .feature:nth-child(2n){border-right:0}
  .split{grid-template-columns:1fr;gap:36px}
  .projects-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr;gap:34px}
}
@media(max-width:720px){
  body{font-size:16px}
  .nav-cta .btn-primary{display:none}
  section{padding:60px 0}
  .features{grid-template-columns:1fr}
  .feature{border-right:0;border-bottom:1px solid var(--line)}
  .feature:last-child{border-bottom:0}
  .projects-grid{grid-template-columns:1fr}
  .blog-grid{grid-template-columns:1fr}
  .factor-grid{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .art-cta-inline{flex-direction:column;align-items:flex-start}
  .sec-title{gap:14px}
  .svc-stats{grid-template-columns:1fr;gap:12px;text-align:left}
  .proj-head{flex-direction:column;align-items:flex-start}
  .sticky-inner .txt{display:none}
  .sticky-inner{justify-content:center}
  .foot-inner{flex-direction:column;text-align:center}
}