/* ============================================================
   Alvaro Technology — public/css/style.css (v2.0.0)
   Redesign total. Palet: emerald + ink + cream + amber.
   ============================================================ */
:root{
  --emerald:#0c6b54; --emerald-2:#0a8466; --emerald-dark:#074d3c;
  --amber:#e0a528; --amber-soft:#f6e7c4;
  --ink:#16201d; --ink-2:#39473f; --muted:#6a7a72;
  --cream:#f7f5ef; --paper:#ffffff; --line:#e6e3d8; --line-2:#eef1ec;
  --mint:#e9f4ef;
  --radius:18px; --radius-sm:12px;
  --shadow-sm:0 1px 2px rgba(16,32,29,.06);
  --shadow:0 6px 24px rgba(16,32,29,.07);
  --shadow-lg:0 20px 60px rgba(16,32,29,.14);
  --font:'Inter','Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--cream);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--emerald);text-decoration:none}
a:hover{text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--max);margin:0 auto;padding:0 28px}
.center{text-align:center}
.muted{color:var(--muted)}
.small{font-size:.85rem}
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.02em;font-weight:800}

/* honeypot tersembunyi */
.hp-field{position:absolute!important;left:-9999px!important;top:-9999px!important;width:1px;height:1px;overflow:hidden}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:999px;font-weight:600;font-size:.95rem;border:1.5px solid transparent;cursor:pointer;transition:.18s ease;text-decoration:none;font-family:inherit}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--emerald);color:#fff;box-shadow:0 6px 18px rgba(12,107,84,.28)}
.btn-primary:hover{background:var(--emerald-dark)}
.btn-outline{background:transparent;border-color:var(--emerald);color:var(--emerald)}
.btn-outline:hover{background:var(--emerald);color:#fff}
.btn-light{background:#fff;color:var(--emerald-dark)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--emerald);color:var(--emerald)}
.btn-danger{background:#d4503f;color:#fff}
.btn-lg{padding:16px 32px;font-size:1rem}
.btn-sm{padding:9px 18px;font-size:.85rem}
.btn-block{width:100%;justify-content:center}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,239,.72);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:.25s}
.site-header.scrolled{background:rgba(255,255,255,.9);border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.2rem;color:var(--ink)}
.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--emerald-2),var(--emerald-dark));color:#fff;font-weight:900;font-size:1.2rem;box-shadow:0 4px 12px rgba(12,107,84,.3)}
.brand-mark.big{width:60px;height:60px;font-size:1.8rem;border-radius:16px;margin:0 auto}
.main-nav{display:flex;gap:30px;margin-left:auto}
.main-nav a{color:var(--ink-2);font-weight:500;font-size:.96rem;position:relative;padding:4px 0}
.main-nav a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--emerald);transition:.2s}
.main-nav a:hover{color:var(--emerald)}
.main-nav a:hover::after{width:100%}
.header-right{display:flex;align-items:center;gap:16px}
.lang-switch{display:flex;align-items:center;gap:6px;font-size:.85rem;font-weight:700;color:var(--muted)}
.lang-switch a{color:var(--muted)}
.lang-switch a.on{color:var(--emerald)}
.nav-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--ink)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:120px 0 96px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:
   radial-gradient(900px 460px at 78% -8%, var(--mint), transparent 60%),
   radial-gradient(700px 380px at 8% 110%, var(--amber-soft), transparent 55%);
   z-index:0}
.hero-inner{position:relative;z-index:1;max-width:820px}
.hero-eyebrow{display:inline-block;background:#fff;border:1px solid var(--line);color:var(--emerald-dark);font-weight:700;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;padding:7px 16px;border-radius:999px;margin-bottom:22px;box-shadow:var(--shadow-sm)}
.hero-title{font-size:clamp(2.3rem,5vw,3.7rem);margin-bottom:22px;color:var(--ink)}
.hero-sub{font-size:1.22rem;color:var(--ink-2);max-width:640px;margin-bottom:34px}
.hero-actions{display:flex;gap:15px;flex-wrap:wrap;margin-bottom:54px}
.hero-stats{display:flex;gap:48px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:30px}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats strong{font-size:2.1rem;color:var(--emerald);font-weight:900;line-height:1}
.hero-stats span{color:var(--muted);font-size:.92rem;margin-top:4px}

/* ---------- Section head ---------- */
.section-head{text-align:center;max-width:640px;margin:0 auto 52px}
.eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:800;color:var(--amber);margin-bottom:12px}
.section-head h2{font-size:clamp(1.8rem,3.4vw,2.5rem);color:var(--ink)}

/* ---------- Pillars ---------- */
.pillars{padding:90px 0}
.pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pillar-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:38px 30px;box-shadow:var(--shadow-sm);transition:.2s}
.pillar-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:var(--mint)}
.pillar-icon{width:58px;height:58px;border-radius:16px;background:var(--mint);color:var(--emerald);display:grid;place-items:center;font-size:1.7rem;margin-bottom:20px}
.pillar-card h3{font-size:1.3rem;margin-bottom:10px}
.pillar-card p{color:var(--ink-2)}
.link{color:var(--emerald);font-weight:700;display:inline-block;margin-top:14px}
.link:hover{color:var(--emerald-dark)}

/* ---------- Services ---------- */
.services{padding:90px 0;background:var(--ink);color:#e8ede9;position:relative}
.services .eyebrow{color:var(--amber)}
.services .section-head h2{color:#fff}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);overflow:hidden}
.service-card{background:var(--ink);padding:40px 32px;transition:.25s}
.service-card:hover{background:#1d2a25}
.service-num{font-size:.9rem;font-weight:800;color:var(--amber);letter-spacing:.1em}
.service-card h3{font-size:1.35rem;margin:14px 0 12px;color:#fff}
.service-card p{color:#aebcb4;font-size:.97rem}

/* ---------- Portfolio ---------- */
.portfolio-teaser{padding:90px 0}
.portfolio-page{padding:50px 0 90px}
.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.project-card{display:block;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.22s;color:inherit}
.project-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--mint)}
.project-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--mint)}
.project-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.project-card:hover .project-thumb img{transform:scale(1.06)}
.project-thumb-empty{display:grid;place-items:center;font-size:3.4rem;font-weight:900;color:var(--emerald);background:linear-gradient(135deg,var(--mint),#fff)}
.project-body{padding:24px}
.project-body h3{font-size:1.22rem;margin:10px 0}
.project-body p{font-size:.93rem;margin-bottom:8px}
.badge{display:inline-block;background:var(--mint);color:var(--emerald-dark);font-size:.72rem;font-weight:800;padding:5px 12px;border-radius:999px;text-transform:uppercase;letter-spacing:.05em}

/* filter chips */
.filter-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:44px}
.chip{padding:9px 20px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--ink-2);font-weight:600;font-size:.9rem;transition:.18s}
.chip:hover{border-color:var(--emerald);color:var(--emerald)}
.chip.on{background:var(--emerald);border-color:var(--emerald);color:#fff}

/* ---------- Project detail ---------- */
.project-hero{padding:90px 0 40px;background:radial-gradient(700px 320px at 80% -20%,var(--mint),transparent 60%)}
.back-link{display:inline-block;color:var(--muted);font-weight:600;margin-bottom:18px}
.back-link:hover{color:var(--emerald)}
.project-hero h1{font-size:clamp(2rem,4vw,3rem);margin:14px 0}
.project-lead{font-size:1.2rem;color:var(--ink-2);max-width:680px}
.project-detail{padding:30px 0 90px}
.project-detail-grid{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:start}
.project-cover{width:100%;border-radius:var(--radius);margin-bottom:30px;box-shadow:var(--shadow)}
.project-meta{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:sticky;top:100px;display:flex;flex-direction:column;gap:18px;box-shadow:var(--shadow-sm)}
.project-meta>div{display:flex;flex-direction:column;gap:3px}
.meta-label{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700}
.project-meta strong{font-size:1.05rem;color:var(--ink)}

/* ---------- CTA ---------- */
.cta{padding:96px 0}
.cta-inner{background:linear-gradient(135deg,var(--emerald-dark),var(--emerald-2));border-radius:28px;padding:72px 40px;text-align:center;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.cta-inner::before{content:'';position:absolute;width:380px;height:380px;background:rgba(255,255,255,.07);border-radius:50%;top:-160px;right:-80px}
.cta-inner h2{font-size:clamp(1.8rem,3.4vw,2.5rem);margin-bottom:12px;color:#fff;position:relative}
.cta-inner p{opacity:.92;margin-bottom:28px;font-size:1.1rem;position:relative}
.cta-inner .btn{position:relative}

/* ---------- Page hero / content ---------- */
.page-hero{padding:96px 0 56px;background:radial-gradient(700px 300px at 85% -30%,var(--mint),transparent 60%)}
.page-hero h1{font-size:clamp(2rem,4vw,3rem);margin-top:10px}
.page-hero-sub{font-size:1.15rem;color:var(--ink-2);max-width:620px;margin-top:14px}
.page-content{padding:56px 0 90px}
.content-prose{max-width:780px;margin:0 auto;color:var(--ink-2);font-size:1.05rem}
.content-prose h2{margin:32px 0 14px;color:var(--ink)}
.content-prose h3{margin:24px 0 10px;color:var(--ink)}
.content-prose p{margin-bottom:18px}
.content-prose ul,.content-prose ol{margin:0 0 18px 22px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:340px 1fr;gap:44px;align-items:start}
.contact-info{background:var(--ink);color:#dfe7e2;border-radius:var(--radius);padding:36px 30px}
.contact-info h3{color:#fff;margin-bottom:20px;font-size:1.3rem}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:16px}
.contact-list li{display:flex;gap:12px;align-items:flex-start;color:#bcc9c2}
.contact-list a{color:#bcc9c2}
.contact-list a:hover{color:#fff}
.contact-list span{color:var(--amber)}

/* ---------- Forms ---------- */
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm)}
.form .field{margin-bottom:20px}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:7px;color:var(--ink-2)}
.field input,.field textarea,.field select{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--radius-sm);font-size:.96rem;font-family:inherit;background:#fff;transition:.15s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--emerald);box-shadow:0 0 0 4px var(--mint)}
.captcha-row{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.captcha-img{border:1px solid var(--line);border-radius:10px;height:58px}

/* ---------- Alerts ---------- */
.alert{padding:14px 18px;border-radius:var(--radius-sm);margin:18px 0;font-size:.93rem}
.alert-success{background:var(--mint);color:var(--emerald-dark);border:1px solid #bfe2d4}
.alert-danger{background:#fbeae7;color:#b23a2a;border:1px solid #f0c8c1}

/* ---------- 404 ---------- */
.error-hero{padding:120px 0}
.error-code{font-size:6rem;font-weight:900;color:var(--emerald);line-height:1;letter-spacing:-.04em}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#aebcb4;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:44px}
.brand-footer{color:#fff;margin-bottom:14px}
.footer-brand-col .muted{color:#90a199;max-width:320px}
.site-footer h4{color:#fff;margin-bottom:16px;font-size:1.05rem}
.footer-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-list a{color:#aebcb4}
.footer-list a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;font-size:.86rem;color:#7e8f87;text-align:center}

/* ---------- Auth (login) ---------- */
.auth-wrap{width:100%;max-width:430px}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:40px 34px;box-shadow:var(--shadow-lg)}
.auth-head{text-align:center;margin-bottom:26px}
.auth-head h1{font-size:1.5rem;margin:16px 0 2px}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .project-detail-grid{grid-template-columns:1fr}
  .project-meta{position:static}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:860px){
  .main-nav{position:fixed;inset:76px 0 auto 0;background:#fff;flex-direction:column;gap:0;padding:8px 0;box-shadow:var(--shadow);border-bottom:1px solid var(--line);display:none}
  .main-nav.open{display:flex}
  .main-nav a{padding:14px 28px;border-bottom:1px solid var(--line-2)}
  .main-nav a::after{display:none}
  .nav-toggle{display:block}
  .header-cta{display:none}
  .pillar-grid,.service-grid,.project-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-stats{gap:30px}
}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:680px){.grid-2{grid-template-columns:1fr}}