:root{
  --bg:#fbfcfd; --ink:#16232e; --teal:#0e6b6b; --teal-dark:#0a4f4f;
  --muted:#5d6b76; --line:rgba(22,35,46,.12); --card:#ffffff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,Arial,sans-serif;font-weight:300;line-height:1.7}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:var(--teal);color:#fff}

.nav{position:sticky;top:0;z-index:30;display:flex;justify-content:space-between;align-items:center;padding:16px 5vw;background:rgba(251,252,253,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{font-weight:600;letter-spacing:.12em;font-size:.8rem;color:var(--teal-dark)}
.nav nav{display:flex;gap:22px;align-items:center;font-size:.84rem}
.nav nav a:not(.nav-cta):hover{color:var(--teal)}
.nav-cta{border:1px solid var(--teal);color:var(--teal);padding:8px 16px;border-radius:6px;transition:.25s}
.nav-cta:hover{background:var(--teal);color:#fff}
.lang-switch{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang-switch button{border:0;background:transparent;font:inherit;font-size:.72rem;font-weight:600;padding:6px 12px;cursor:pointer;color:var(--muted)}
.lang-switch button.active{background:var(--teal);color:#fff}

h1,h2,h3{font-family:"Source Serif 4",Georgia,serif;margin:0;font-weight:600}
h1{font-size:clamp(3rem,6vw,5.2rem);line-height:1.02;letter-spacing:-.02em}
h2{font-size:clamp(1.9rem,3.4vw,3rem);margin-top:12px;max-width:820px}
.kicker,.eyebrow{font-size:.72rem;font-weight:600;letter-spacing:.22em;color:var(--teal)}

.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:5vw;align-items:center;padding:6vw 7vw}
.tagline{font-family:"Source Serif 4",Georgia,serif;font-size:clamp(1.3rem,2.2vw,1.9rem);color:var(--ink);max-width:640px;margin:26px 0;line-height:1.35}
.lead{font-size:clamp(1.05rem,1.5vw,1.3rem);color:var(--muted);max-width:620px;margin:26px 0}
.button.whatsapp{background:#1fa855;border-color:#1fa855;color:#fff}
.button.whatsapp:hover{background:#178a45;border-color:#178a45}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.button{padding:13px 22px;border-radius:6px;font-size:.9rem;border:1px solid var(--teal);transition:.25s}
.button.primary{background:var(--teal);color:#fff}
.button.primary:hover{background:var(--teal-dark);border-color:var(--teal-dark)}
.button.ghost{color:var(--teal)}
.button.ghost:hover{background:rgba(14,107,107,.08)}
.hero-stats{display:flex;gap:34px;margin-top:38px;flex-wrap:wrap}
.hero-stats span{display:flex;flex-direction:column}
.hero-stats strong{font-family:"Source Serif 4",Georgia,serif;font-size:1.9rem;color:var(--teal-dark)}
.hero-stats em{font-style:normal;font-size:.8rem;color:var(--muted)}
.hero-visual img{border-radius:12px;filter:grayscale(1);box-shadow:0 30px 70px rgba(22,35,46,.16)}

section{padding:6vw 7vw}
.about{border-top:1px solid var(--line)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:4vw;margin-top:34px;max-width:1100px}
.about-grid p{margin:0;color:var(--ink)}

/* digital planning */
.digital{background:var(--ink);color:#e8eef2;display:grid;grid-template-columns:.9fr 1.1fr;gap:4vw;align-items:center}
.digital-copy{max-width:620px}
.kicker.light{color:#3ddad0}
.digital h2{color:#fff}
.digital-copy p{color:#b9c6cf;max-width:600px}
.digital-copy strong{color:#3ddad0;font-weight:600}
.dig-badges{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-direction:column;gap:12px}
.dig-badges li{border:1px solid rgba(61,218,208,.35);border-radius:8px;padding:13px 18px;font-size:.92rem;color:#d7e2e8;background:rgba(61,218,208,.06)}
.digital-visual svg{width:100%;max-width:420px;display:block;margin:0 auto}
.planner-shot{width:100%;display:block;border-radius:12px;box-shadow:0 24px 60px rgba(0,0,0,.5);border:1px solid rgba(61,218,208,.25)}
.dig-caption{text-align:center;font-size:.78rem;color:#7b8b95;margin-top:10px}

.expertise{background:#f2f6f7}
.tech-list{list-style:none;padding:0;margin:34px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:14px 30px;max-width:1100px}
.tech-list li{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:8px;padding:16px 20px;font-size:.95rem;color:var(--muted)}
.tech-list strong{color:var(--teal-dark);display:block;margin-bottom:2px;font-weight:600}

/* before/after */
.gallery-sec{border-top:1px solid var(--line)}
.gal-note{color:var(--muted);font-size:.85rem;margin-top:8px}
.ba-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
.ba-item{margin:0;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.ba-item img{width:100%;display:block}
.ba-ph{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;text-align:center;padding:20px;background:repeating-linear-gradient(45deg,#f2f6f7,#f2f6f7 12px,#e9eff1 12px,#e9eff1 24px);color:var(--muted);font-size:.82rem}
.social-row{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.chip{border:1px solid var(--teal);color:var(--teal);padding:10px 18px;border-radius:6px;font-size:.88rem;transition:.25s}
.chip:hover{background:var(--teal);color:#fff}

/* video */
.video-sec{background:#f2f6f7}
.video-sec p{color:var(--muted);max-width:620px}
.video-sec .button{display:inline-block;margin-top:10px}

/* international */
.intl{background:#f2f6f7}
.intl-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:30px;max-width:1000px}
.intl-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px 24px;transition:.25s}
a.intl-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(22,35,46,.1);border-color:var(--teal)}
.intl-card strong{display:block;font-family:"Source Serif 4",Georgia,serif;font-size:1.2rem;color:var(--teal-dark);margin-bottom:4px}
.intl-card span{font-size:.88rem;color:var(--muted)}
.intl-card em{font-style:normal;color:var(--teal);font-weight:600}

.acts-sub{font-size:.7rem;font-weight:600;letter-spacing:.22em;color:var(--muted);margin:44px 0 0}
.acts-list{list-style:none;padding:0;margin:16px 0 0;max-width:820px}
.acts-list li{display:grid;grid-template-columns:64px 1fr;gap:16px;padding:10px 0;border-top:1px solid var(--line);font-size:.92rem;color:var(--ink)}
.acts-list li span{font-family:"Source Serif 4",Georgia,serif;font-weight:600;color:var(--teal-dark)}

.big-phone{margin:14px 0}
.big-phone a{font-family:"Source Serif 4",Georgia,serif;font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:600;color:var(--teal-dark)}
.addr{color:var(--muted)}

.timeline{margin-top:34px;border-left:2px solid var(--teal);padding-left:0;max-width:760px}
.t-item{display:grid;grid-template-columns:110px 1fr;gap:20px;padding:14px 0 14px 26px;position:relative}
.t-item::before{content:"";position:absolute;left:-7px;top:24px;width:12px;height:12px;border-radius:50%;background:var(--teal);border:2px solid var(--bg)}
.t-year{font-family:"Source Serif 4",Georgia,serif;font-weight:600;color:var(--teal-dark)}
.t-item p{margin:0;color:var(--ink)}

.academic{background:#f2f6f7}
.ac-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.ac-card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:26px}
.ac-card h3{font-size:1.1rem;color:var(--teal-dark);margin-bottom:10px}
.ac-card p{margin:0;font-size:.92rem;color:var(--muted)}

.contact-grid{margin-top:30px}
.contact-grid h3{font-size:1.2rem;margin-bottom:8px}
.contact-grid p{color:var(--muted);margin:4px 0}
.contact-grid a{color:var(--teal);}
.contact-actions{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.disclaimer{margin-top:44px;font-size:.78rem;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}

footer{padding:30px 7vw;background:var(--ink);color:#cfd8de;font-size:.75rem;letter-spacing:.06em;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.music-note a{color:#8fd0c7;text-decoration:underline;text-underline-offset:3px}

@media(max-width:960px){
  .ba-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .nav nav a:not(.nav-cta){display:none}
  .digital{grid-template-columns:1fr}
  .hero{grid-template-columns:1fr;padding:10vw 7vw}
  .hero-visual{order:-1;max-width:340px}
  .tech-list,.ba-grid{grid-template-columns:1fr}
  .t-item{grid-template-columns:1fr;gap:4px}
  footer{flex-direction:column}
}