/*
Theme Name: zoTech OnePage
Version: 6.1
Author: SiThu Aung
Description: Production-ready minimal tech one-page theme for zoTech.
*/
:root{--bg:#f7f9fc;--card:#fff;--text:#0f172a;--muted:#475569;--line:#e5e7eb;--accent:#2563eb;--max:1100px;
  /* Fallback header height (JS will update this precisely on load/resize) */
  --header-h:calc(64px + env(safe-area-inset-top, 0px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-h)}
body{margin:0;font-family:system-ui;background:var(--bg);color:var(--text);line-height:1.65;
  /* With fixed header, prevent content from sitting underneath it */
  padding-top:var(--header-h);
}
.container{max-width:var(--max);margin:auto;padding:0 20px}
/*
  iOS safe area support:
  - viewport-fit=cover is set in header.php
  - padding-top uses safe-area inset so the top tab bar doesn't sit under the notch
*/
header{position:fixed;top:0;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);z-index:20;
  /* Safe area (notch) */
  padding-top:constant(safe-area-inset-top); /* iOS 11.2 */
  padding-top:env(safe-area-inset-top, 0px);
  /* Safe area (left/right) for landscape / rounded corners */
  padding-left:env(safe-area-inset-left, 0px);
  padding-right:env(safe-area-inset-right, 0px);
}
.navbar{display:flex;justify-content:space-between;align-items:center;padding:12px 22px}
.custom-logo{max-height:42px}
.section{padding:64px 0;border-bottom:1px solid var(--line)}
/* Ensure anchor navigation doesn't hide section headings behind the fixed header */
section[id]{scroll-margin-top:var(--header-h)}
.hero{padding:52px 0 24px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
.hero-text h1{font-size:clamp(2rem,4vw,3.1rem)}
.hero-text h1{margin:0 0 12px}
.hero-text p{margin:0}
.hero-text p{max-width:520px;color:var(--muted)}
.btn{background:var(--accent);color:#fff;padding:14px 22px;border-radius:12px;display:inline-block}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}
.grid-3,.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:18px}
.fade{opacity:0;transform:translateY(20px);transition:.7s}.fade.is-visible{opacity:1;transform:none}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;align-items:center;justify-content:center;z-index:100}
.modal.active{display:flex}
.modal-content{background:#fff;padding:26px;border-radius:18px;max-width:720px;width:90%}
.form{display:grid;gap:16px;margin-top:18px}
input,textarea{padding:14px;border-radius:12px;border:1px solid var(--line)}
.notice.success{background:#ecfeff;padding:14px;border-radius:12px}

/* Reduce extra space specifically between hero and the next section (About) */
.hero + .section{padding-top:44px}

@media(max-width:900px){.hero-grid{grid-template-columns:1fr;text-align:center}.grid-3,.portfolio-grid{grid-template-columns:1fr}}

/* HERO IMAGE FIX */
.hero-media img{
  width:100%;
  max-width:420px;
  height:auto;
  display:block;
  margin-left:auto;
}
@media(max-width:900px){
  .hero-media img{
    width:100%;
    max-width:min(520px, 92vw);
    height:auto;
    max-height:none;
    object-fit:contain;
    margin:0 auto;
  }
}
/* Portfolio description */
.portfolio-desc{margin-top:10px;color:var(--muted);font-size:.95rem;line-height:1.6}

/* Header nav layout (mobile-friendly + avoids touching edges) */
header nav.nav{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:14px}
header nav a{margin:0;text-decoration:none;color:var(--text);font-weight:500;line-height:1.2;padding:6px 4px}
header nav a:hover{color:var(--accent)}

/* Mobile safe area */
@media(max-width:600px){
  .container{padding-left:18px;padding-right:18px}
  .navbar{padding:10px 18px}
  .section{padding:36px 0}
  .hero{padding:34px 0 18px}
  .hero-grid{gap:14px}
  .card{padding:18px}
  /* Keep header tabs readable and away from edges on mobile */
  header nav.nav{gap:12px;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  header nav.nav::-webkit-scrollbar{display:none}
  header nav a{white-space:nowrap;padding:6px 4px}
  .brand{font-size:16.5px;line-height:1.2}
}

/* Very small screens: keep tabs on one line (scrollable if needed) */
@media(max-width:420px){
  header nav.nav{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;gap:10px;scrollbar-width:none}
  header nav.nav::-webkit-scrollbar{display:none}
  header nav a{white-space:nowrap}
}

@media(max-width:600px){
  .hero + .section{padding-top:28px}
}


/* Active nav tab (fix Contact not turning blue) */
header nav a.active{color:var(--accent)}

/* Outline button */
.btn.btn-outline{background:transparent;color:var(--accent);border:2px solid var(--accent)}
.btn.btn-outline:hover{background:var(--accent);color:#fff}

/* CTA below sections */
.section-cta{margin-top:22px;text-align:center}

/* Portfolio carousel (compact project cards) */
.portfolio-carousel-wrap{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:18px;
}
.portfolio-carousel{
  display:flex;
  gap:12px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scroll-behavior:smooth;
  padding:8px 4px;
  scrollbar-width:none;
  outline:none;
}
.portfolio-carousel::-webkit-scrollbar{display:none}

.portfolio-slide{
  position:relative; /* ensures "Click to view" is per-card */
  flex:0 0 auto;
  scroll-snap-align:start;

  /* Desktop card size (responsive): keep cards readable on wide screens */
  /* ~260px on small desktops, up to ~360px on large screens */
  min-width:clamp(260px, 26vw, 360px);
  max-width:clamp(260px, 26vw, 360px);

  /* tighter padding + reserved space for the fixed links */
  padding:12px 12px 56px;

  display:flex;
  flex-direction:column;
  gap:6px;
}

.portfolio-slide h3{
  margin:0;
  font-size:1rem;
  line-height:1.15;
}
.portfolio-slide p{
  margin:0;
  color:var(--muted);
  font-size:.92rem;
  line-height:1.35;

  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* Square logo container */
.project-thumb{
  width:96px;
  aspect-ratio:1/1;
  border-radius:14px;
  overflow:hidden;
  background:rgba(0,0,0,.03);
  display:flex;
  align-items:center;
  justify-content:center;
  align-self:center;
  border:1px solid var(--line);
}
.project-thumb img{
  width:100%;
  height:100%;
  object-fit:contain;
  display:block;
  padding:8px; /* breathing room for logos */
}

/* Typography inside slides */
.portfolio-slide h3{
  margin:0;
  font-size:1.05rem;
  line-height:1.2;
}
.portfolio-slide p{
  margin:0;
  color:var(--muted);
  font-size:.95rem;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:calc(1.45em * 3); /* keeps cards uniform even with short text */
}

/* Project links pinned inside each card */
.project-links{
  position:absolute;
  left:14px;
  right:14px;
  bottom:14px;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}

.project-link{
  color:var(--accent);
  font-weight:650;
  text-decoration:none;
  border:1px solid var(--line);
  padding:6px 10px;
  border-radius:10px;
  background:var(--card);
  font-size:.9rem;
  line-height:1;
}
.project-link:hover{text-decoration:underline}

.carousel-btn{
  border:1px solid var(--line);
  background:var(--card);
  color:var(--text);
  font-size:22px;
  width:42px;
  height:42px;
  border-radius:12px;
  cursor:pointer;
}
.carousel-btn:hover{color:var(--accent)}

@media(max-width:700px){
  .carousel-btn{display:none}
  .portfolio-slide{min-width:78vw; max-width:78vw}
  .project-thumb{width:100px}
  .portfolio-slide{padding:12px 12px 64px}
}



/* Contact cards */
.contact-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:16px;
  margin-top:18px;
}
@media(max-width:900px){
  .contact-grid{grid-template-columns:1fr;}
}
.contact-card{
  display:flex;
  gap:12px;
  align-items:center;
  text-decoration:none;
  color:inherit;
  border:1px solid var(--line);
  background:var(--card);
  border-radius:16px;
  padding:16px;
  min-height:86px;
  transition:transform .12s ease, border-color .12s ease;
}
.contact-card:hover{
  border-color:var(--accent);
  transform:translateY(-1px);
}
.contact-ico{
  width:44px;height:44px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:#f3f4f6;
  flex:0 0 44px;
  font-size:20px;
}
.contact-meta{min-width:0}
.contact-label{font-weight:650; line-height:1.2}
.contact-value{
  margin-top:3px;
  font-size:14px;
  color:#6b7280;
  word-break:break-word;
}

/* Scroll-to-top button */
.scroll-top-btn{
  position:fixed;
  right:calc(16px + env(safe-area-inset-right, 0px));
  bottom:calc(16px + env(safe-area-inset-bottom, 0px));
  width:46px;
  height:46px;
  border-radius:14px;
  border:1px solid var(--line);
  background:var(--card);
  color:var(--accent);
  display:grid;
  place-items:center;
  font-size:22px;
  line-height:1;
  cursor:pointer;
  box-shadow:0 12px 28px rgba(0,0,0,.12);
  z-index:60;

  opacity:0;
  transform:translateY(10px);
  pointer-events:none;
  transition:opacity .18s ease, transform .18s ease, background .18s ease;
}
.scroll-top-btn.show{
  opacity:1;
  transform:none;
  pointer-events:auto;
}
.scroll-top-btn:hover{background:#f3f4f6}
.scroll-top-btn:active{transform:translateY(1px)}
.scroll-top-btn:focus-visible{outline:2px solid rgba(37,99,235,.35); outline-offset:3px}