:root{
  --bg:#fbf8f2;
  --bg-soft:#f6edd8;
  --card:#ffffff;
  --border:#eadfc0;
  --text:#211c12;
  --text-dim:#766a53;
  --accent:#c9972c;
  --accent-soft:#f6e3a1;
  --accent-deep:#9c6f0c;
  --accent-2:#0f8f86;
  --accent-grad:linear-gradient(135deg,#fdf0c9 0%,#e8c468 35%,#c9972c 68%,#a97a1a 100%);
  --sky-grad:linear-gradient(135deg,#b8841f,#0f8f86);
  --shadow:0 20px 44px -26px rgba(33,24,10,.28);
  --shadow-lg:0 26px 60px -24px rgba(33,24,10,.32);
  --radius:16px;
  --max:1140px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Cairo',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  line-height:1.6;
  overflow-x:hidden;
  position:relative;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='84' height='84' viewBox='0 0 84 84'%3E%3Cg fill='none' stroke='%23c9972c' stroke-width='1'%3E%3Cpath d='M42 2 L74 22 L74 62 L42 82 L10 62 L10 22 Z'/%3E%3Cpath d='M42 2 L42 82 M10 22 L74 62 M74 22 L10 62'/%3E%3C/g%3E%3C/svg%3E");
  background-size:84px 84px;
  opacity:.05;
}
body::after{
  content:"";position:fixed;inset:0;z-index:-3;pointer-events:none;
  background:
    radial-gradient(40% 35% at 12% 8%,rgba(233,196,104,.45),transparent 70%),
    radial-gradient(35% 32% at 92% 12%,rgba(15,143,134,.16),transparent 70%),
    radial-gradient(45% 42% at 50% 105%,rgba(233,196,104,.3),transparent 70%);
}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--accent-soft);border-radius:10px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}
::selection{background:var(--accent-soft);color:#211c12}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
section{padding:110px 0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--accent-deep);font-weight:700;font-size:13px;
  letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent-grad);box-shadow:0 0 0 3px rgba(201,151,44,.18)}
h1,h2,h3,h4{font-weight:700;letter-spacing:-0.01em}
h2.section-title{font-size:clamp(28px,4vw,40px);margin-bottom:16px}
.section-sub{color:var(--text-dim);max-width:620px;margin-bottom:56px;font-size:16px}
.btn{
  display:inline-flex;align-items:center;gap:8px;position:relative;overflow:hidden;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,opacity .2s ease;
}
.btn-primary{
  background:var(--accent);color:#2b2008;
  box-shadow:0 10px 22px -10px rgba(169,122,26,.5);
}
.btn-primary:hover{transform:translateY(-2px);background:var(--accent-deep);box-shadow:0 14px 28px -10px rgba(169,122,26,.55)}
.btn-primary:focus-visible{outline:2px solid var(--accent-deep);outline-offset:2px}
.btn-ghost{border-color:var(--border);color:var(--text);background:#fff}
.btn-ghost:hover{border-color:var(--accent-2);color:var(--accent-2);box-shadow:var(--shadow)}

/* Nav */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(251,248,242,.78);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s ease,background .3s ease,box-shadow .3s ease;
}
.nav.scrolled{border-color:var(--border);box-shadow:0 8px 24px -16px rgba(33,24,10,.2)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;max-width:var(--max)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.brand img{width:34px;height:34px;border-radius:9px;box-shadow:0 4px 10px -4px rgba(33,24,10,.3)}
.nav-links{display:flex;gap:20px;font-size:13.5px;font-weight:600;color:var(--text-dim);white-space:nowrap}
.nav-links a:hover{color:var(--accent-deep)}
.nav-cta{display:flex;align-items:center;gap:16px}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none}
.nav-toggle span{width:22px;height:2px;background:var(--text)}

/* Hero */
.hero{padding-top:180px;padding-bottom:230px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:-200px 0 auto 0;height:600px;
  background:radial-gradient(60% 50% at 50% 0%,rgba(233,196,104,.4),transparent 70%);
  pointer-events:none;z-index:-1;
}
.hero::after{
  content:"";position:absolute;right:0;top:140px;width:320px;height:320px;
  max-width:28vw;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'%3E%3Cg fill='none' stroke='%230f8f86' stroke-width='1.2'%3E%3Cpolygon points='100,6 194,52 194,148 100,194 6,148 6,52'/%3E%3Cpolygon points='100,45 157,73 157,127 100,155 43,127 43,73'/%3E%3Cpolygon points='100,80 124,92 124,118 100,130 76,118 76,92'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat:no-repeat;background-size:contain;opacity:.16;
  pointer-events:none;z-index:-1;overflow:hidden;
}
@media (max-width:980px){.hero::after{display:none}}
.skyline{position:absolute;left:0;bottom:0;width:100%;height:160px;z-index:0;pointer-events:none}
@media (max-width:980px){.hero .skyline{display:none}.hero{padding-bottom:100px}}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}
.hero h1{font-size:clamp(36px,5.5vw,62px);line-height:1.08;margin-bottom:22px}
.hero h1 .grad{background:var(--sky-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lede{font-size:18px;color:var(--text-dim);max-width:520px;margin-bottom:34px}
.hero-actions{display:flex;gap:16px;margin-bottom:46px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px}
.stat b{display:block;font-size:26px;color:var(--accent-deep)}
.stat span{color:var(--text-dim);font-size:13px}
.hero-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:36px;position:relative;box-shadow:var(--shadow-lg);
}
.avatar-photo{
  width:84px;height:84px;border-radius:50%;object-fit:cover;
  margin-bottom:20px;border:3px solid var(--accent-soft);
  box-shadow:0 10px 20px -8px rgba(169,122,26,.55);
}
.hero-card h4{font-size:20px;margin-bottom:6px}
.hero-card p{color:var(--text-dim);font-size:14px;margin-bottom:20px}
.skill-pills{display:flex;flex-wrap:wrap;gap:8px}
.pill{
  font-size:12.5px;padding:7px 13px;border-radius:999px;background:var(--bg-soft);
  border:1px solid var(--border);color:var(--accent-deep);font-weight:600;
}

/* Sections generic */
.bg-soft{background:var(--bg-soft)}

/* Geometric divider — Gulf lattice motif */
.geo-divider{
  height:28px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='28' viewBox='0 0 56 28'%3E%3Cg fill='none' stroke='%23c9972c' stroke-width='1.4'%3E%3Cpath d='M0 28 L14 6 L28 28 L42 6 L56 28'/%3E%3Ccircle cx='14' cy='6' r='1.6' fill='%23c9972c' stroke='none'/%3E%3Ccircle cx='42' cy='6' r='1.6' fill='%23c9972c' stroke='none'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat:repeat-x;background-position:center;background-size:56px 28px;
  opacity:.8;
}

/* About */
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px}
.timeline{border-left:2px solid var(--border);padding-left:28px;display:flex;flex-direction:column;gap:22px}
.tl-item{position:relative}
.tl-item::before{content:"";position:absolute;left:-34px;top:4px;width:10px;height:10px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 0 3px rgba(15,143,134,.18)}
.tl-year{font-weight:700;color:var(--accent-2);font-size:13px;margin-bottom:4px;display:flex;align-items:center;gap:7px}
.tl-logo{width:18px;height:18px;border-radius:5px;object-fit:contain;background:#fff;flex-shrink:0}
.tl-text{color:var(--text-dim);font-size:15px}
.tl-role{font-size:17px;margin-bottom:8px}
.tl-bullets{list-style:none;display:flex;flex-direction:column;gap:6px}
.tl-bullets li{position:relative;padding-left:18px;color:var(--text-dim);font-size:14.5px}
.tl-bullets li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.about-text p{color:var(--text-dim);margin-bottom:18px;font-size:16px}
.side-card{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:18px 20px;margin-top:16px;box-shadow:var(--shadow);
}
.side-card-icon{
  width:40px;height:40px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,rgba(233,196,104,.3),rgba(201,151,44,.12));color:var(--accent-deep);
  display:flex;align-items:center;justify-content:center;
}
.side-card b{display:block;font-size:14.5px;margin-bottom:5px}
.side-card p{color:var(--text-dim);font-size:13.5px;margin:0}

/* Credentials */
.cert-list{display:flex;flex-direction:column;gap:16px}
.cert-group{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:16px 18px;box-shadow:var(--shadow);
}
.cert-group b{display:block;color:var(--accent-deep);font-size:14px;margin-bottom:4px}
.cert-group span{color:var(--text-dim);font-size:13.5px}
.cert-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:14px;box-shadow:var(--shadow-lg);align-self:start;
}
.cert-card img{border-radius:10px;width:100%}
.cert-caption{text-align:center;color:var(--text-dim);font-size:13px;margin-top:12px}
.has-arch{position:relative;overflow:hidden}
.has-arch::before{
  content:"";position:absolute;z-index:-1;top:0;right:0;width:55%;height:100%;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 260'%3E%3Cpath d='M20 258 V118 A80 80 0 0 1 180 118 V258' fill='none' stroke='%23c9972c' stroke-width='3'/%3E%3Cpath d='M45 258 V128 A55 55 0 0 1 155 128 V258' fill='none' stroke='%230f8f86' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center 20px;background-size:380px auto;
  opacity:.14;pointer-events:none;
}
@media (max-width:980px){.has-arch::before{display:none}}

/* Photo strip */
.photo-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:56px}
.photo-strip figure{margin:0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--border);background:var(--card)}
.photo-strip img{width:100%;aspect-ratio:4/5;object-fit:cover;display:block}
.photo-strip figcaption{padding:12px 14px;font-size:12px;color:var(--text-dim);text-align:center}
@media (max-width:980px){.photo-strip{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.photo-strip{grid-template-columns:1fr}}

/* Skills */
.skills-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.skill-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;text-align:left;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  box-shadow:var(--shadow);
}
.skill-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-lg)}
.skill-ic{
  width:50px;height:50px;padding:10px;margin-bottom:18px;border-radius:12px;
  background:linear-gradient(135deg,rgba(233,196,104,.3),rgba(201,151,44,.12));color:var(--accent-deep);
}
.skill-card h4{font-size:16px;margin-bottom:8px}
.skill-card p{color:var(--text-dim);font-size:13.5px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px}
.tag-cloud .pill{background:#fff}
.industries{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:28px;padding-top:28px;border-top:1px solid var(--border)}
.industries b{font-size:14px;margin-right:4px}
.industries .pill{background:rgba(15,143,134,.08);border-color:rgba(15,143,134,.3);color:var(--accent-2)}

/* Proof of Work */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:36px}
.cat-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.cat-card h4{font-size:15.5px;margin-bottom:8px;color:var(--accent-deep)}
.cat-card p{color:var(--text-dim);font-size:13.5px}
.file-list{margin-top:14px;display:flex;flex-direction:column;gap:9px;border-top:1px dashed var(--border);padding-top:12px}
.file-row{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--text-dim);line-height:1.3;text-decoration:none;transition:color .15s ease;cursor:pointer}
.file-row:hover{color:var(--accent-deep)}
.file-row:hover .file-tag{filter:brightness(.92)}
.file-tag{
  flex-shrink:0;width:42px;text-align:center;padding:3px 0;border-radius:5px;
  font-size:9px;font-weight:800;letter-spacing:.03em;text-transform:uppercase;
}
.file-tag.sheet{background:rgba(16,163,74,.14);color:#0e8a44}
.file-tag.doc{background:rgba(37,99,235,.14);color:#1d4ed8}
.file-tag.slide{background:rgba(234,88,12,.14);color:#c2410c}
.file-tag.shot{background:rgba(147,51,234,.14);color:#7e22ce}
.proof-cta{display:flex;gap:16px;flex-wrap:wrap}

/* Case Studies */
.case-featured{
  display:grid;grid-template-columns:.8fr 1.2fr;gap:36px;align-items:center;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:40px;box-shadow:var(--shadow-lg);margin-bottom:24px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.case-featured:hover{transform:translateY(-4px);box-shadow:0 36px 70px -24px rgba(33,24,10,.35)}
.case-featured h3{font-size:22px;margin-bottom:12px}
.case-featured p{color:var(--text-dim);font-size:15px}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.case-card h4{font-size:16px;margin:10px 0 8px}
.case-card p{color:var(--text-dim);font-size:13.5px}
.case-stat{
  font-family:'Cairo',sans-serif;font-weight:800;font-size:26px;color:var(--accent-deep);
  display:flex;flex-direction:column;line-height:1.2;
}
.case-stat span{font-size:13px;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.03em}
.case-featured .case-stat{font-size:38px}

/* Portfolio */
.filter-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px}
.filter-btn{
  font-size:13px;font-weight:600;padding:9px 18px;border-radius:999px;
  border:1px solid var(--border);color:var(--text-dim);background:#fff;cursor:pointer;
  transition:all .2s ease;
}
.filter-btn.active,.filter-btn:hover{border-color:var(--accent);color:var(--accent-deep);background:rgba(233,196,104,.16)}
.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.portfolio-grid.compact{gap:20px}
.portfolio-grid.compact .pf-thumb{height:130px}
.portfolio-grid.compact .pf-body{padding:14px 16px}
.portfolio-grid.compact .pf-body h4{font-size:15.5px;margin-bottom:4px}
.portfolio-grid.compact .pf-body p{font-size:12.5px}
.pf-card{
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--card);
  transition:transform .25s ease,box-shadow .25s ease;display:block;box-shadow:var(--shadow);
}
.pf-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.pf-thumb{height:170px;overflow:hidden;position:relative;background:var(--bg-soft)}
.pf-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.pf-card:hover .pf-thumb img{transform:scale(1.06)}
.pf-tag{
  position:absolute;top:12px;left:12px;background:rgba(255,255,255,.9);backdrop-filter:blur(6px);
  font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:6px 10px;border-radius:999px;color:var(--accent-deep);
  box-shadow:0 4px 10px -4px rgba(33,24,10,.25);
}
.pf-card.pf-current{border-color:var(--accent);box-shadow:0 0 0 2px rgba(201,151,44,.25),var(--shadow)}
.pf-tag-current{background:var(--accent-grad)!important;color:#2b2008!important}
.pf-body{padding:18px 20px}
.pf-body h4{font-size:17px;margin-bottom:6px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.pf-body h4 svg{flex-shrink:0;opacity:.6;transition:transform .2s ease,opacity .2s ease}
.pf-card:hover .pf-body h4 svg{opacity:1;transform:translate(3px,-3px)}
.pf-body p{color:var(--text-dim);font-size:13.5px}

/* Apps */
.apps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.app-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;text-align:center;box-shadow:var(--shadow);transition:box-shadow .25s ease,transform .25s ease;
}
.app-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.app-card img{width:64px;height:64px;object-fit:contain;margin:0 auto 18px;border-radius:14px;box-shadow:0 8px 18px -8px rgba(33,24,10,.3)}
.app-card h4{font-size:16px;margin-bottom:8px}
.app-card p{color:var(--text-dim);font-size:13px;margin-bottom:18px;min-height:40px}

/* Testimonials */
.test-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-bottom:50px}
.test-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.test-card p{color:var(--text-dim);font-size:15px;margin-bottom:20px}
.test-who{display:flex;align-items:center;gap:12px}
.test-avatar{width:42px;height:42px;border-radius:50%;background:radial-gradient(circle at 32% 28%,#fdf4d8,#e8c468 55%,#a97a1a 100%);display:flex;align-items:center;justify-content:center;font-weight:700;color:#3a2a08;font-size:14px}
.test-avatar-logo{width:42px;height:42px;border-radius:12px;object-fit:contain;background:#fff;border:1px solid var(--border);padding:5px;flex-shrink:0}
.test-who b{font-size:14px;display:block}
.test-who span{font-size:12.5px;color:var(--text-dim)}
.stat-banner.night{
  position:relative;overflow:hidden;
  border:1px solid #3a2e14;border-radius:var(--radius);
  background:linear-gradient(180deg,#1b140c 0%,#120d07 100%);
  box-shadow:0 30px 60px -20px rgba(0,0,0,.45);
}
.stat-banner .skyline-night{position:absolute;left:0;bottom:0;width:100%;height:100%;opacity:.8}
.stat-banner-content{
  position:relative;z-index:1;padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px;
}
.stat-banner .big{font-size:42px;font-weight:800;color:#f6f0e4}
.stat-banner .big span{color:var(--accent-soft)}

/* Contact */
.contact-simple{max-width:640px;margin:0 auto;text-align:center}
.contact-list{display:flex;justify-content:center;flex-wrap:wrap;gap:20px;margin-top:10px}
.contact-item{
  display:flex;gap:14px;align-items:center;text-align:left;
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:16px 24px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  min-width:240px;
}
.contact-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--accent)}
.contact-ic{
  width:42px;height:42px;border-radius:12px;background:var(--bg-soft);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--accent-2);
}
.contact-item b{display:block;font-size:14px}
.contact-item span{color:var(--text-dim);font-size:14.5px}
.social-row{display:flex;gap:12px;margin-top:30px}
.social-ic{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--text-dim);transition:all .2s ease;
}
.social-ic:hover{color:var(--accent-2);border-color:var(--accent-2);transform:translateY(-2px);box-shadow:var(--shadow)}

/* Footer */
footer{border-top:1px solid var(--border);padding:40px 0;background:var(--bg-soft)}
footer .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
footer p{color:var(--text-dim);font-size:13.5px}

/* reveal animation */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* WhatsApp floating button */
.whatsapp-wrap{
  position:fixed;left:24px;bottom:24px;z-index:90;
  display:flex;flex-direction:column;align-items:flex-start;gap:12px;
}
.whatsapp-float{
  width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 28px -8px rgba(37,211,102,.65);
  transition:transform .2s ease,box-shadow .2s ease;
}
.whatsapp-float:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 14px 34px -8px rgba(37,211,102,.75)}
.whatsapp-bubble{
  position:relative;max-width:240px;background:#fff;color:var(--text);
  border-radius:16px 16px 16px 4px;padding:14px 30px 14px 16px;
  box-shadow:var(--shadow-lg);border:1px solid var(--border);
  font-size:13.5px;line-height:1.45;cursor:pointer;
  opacity:0;transform:translateY(10px) scale(.95);pointer-events:none;
  transition:opacity .35s ease,transform .35s ease;
}
.whatsapp-bubble.show{opacity:1;transform:none;pointer-events:auto}
.whatsapp-bubble p{margin:0}
.wa-bubble-close{
  position:absolute;top:6px;right:8px;width:20px;height:20px;border-radius:50%;
  background:var(--bg-soft);border:none;color:var(--text-dim);font-size:15px;line-height:1;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.wa-bubble-close:hover{color:var(--text)}

/* Back to top */
.back-to-top{
  position:fixed;right:24px;bottom:24px;z-index:90;
  width:52px;height:52px;border-radius:50%;
  background:var(--card);border:1px solid var(--border);color:var(--accent-deep);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:var(--shadow-lg);
  opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .25s ease,transform .25s ease,border-color .2s ease;
}
.back-to-top.show{opacity:1;transform:none;pointer-events:auto}
.back-to-top:hover{transform:translateY(-3px);border-color:var(--accent)}

/* Responsive */
@media (max-width:980px){
  .hero-grid,.about-grid{grid-template-columns:1fr;gap:40px}
  .skills-grid{grid-template-columns:repeat(2,1fr)}
  .portfolio-grid{grid-template-columns:repeat(2,1fr)}
  .apps-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .case-featured{grid-template-columns:1fr}
  .test-grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .nav-toggle{display:flex}
}
@media (max-width:600px){
  section{padding:70px 0}
  .hero{padding-top:140px}
  .skills-grid,.portfolio-grid,.cat-grid,.case-grid{grid-template-columns:1fr}
  .hero-stats{flex-wrap:wrap;gap:24px}
  .stat-banner{flex-direction:column;align-items:flex-start}
}
@media (max-width:700px){
  .nav-cta .btn-ghost{display:none}
}
@media (max-width:480px){
  .nav-cta .btn-primary{display:none}
  .nav-toggle{flex-shrink:0}
  .brand{font-size:15px}
}