/* ==========================================================================
   Tech 'n Thesis — Global Stylesheet
   Pure CSS3, no frameworks. Mobile-first responsive design.
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  --navy: #0f172a;
  --navy-700: #1e293b;
  --blue: #1e3a8a;
  --blue-600: #2563eb;
  --accent: #22d3ee;
  --accent-2: #14b8a6;
  --bg: #ffffff;
  --bg-soft: #f1f5f9;
  --bg-soft-2: #f8fafc;
  --text: #0f172a;
  --text-soft: #475569;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --white: #ffffff;

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, .08);
  --shadow-md: 0 6px 20px rgba(15, 23, 42, .10);
  --shadow-lg: 0 18px 40px rgba(15, 23, 42, .14);

  --radius: 14px;
  --radius-lg: 22px;

  --maxw: 1160px;
  --gutter: clamp(1rem, 4vw, 2.5rem);

  --t-fast: .18s ease;
  --t: .3s cubic-bezier(.4, 0, .2, 1);

  --grad: linear-gradient(135deg, var(--blue) 0%, var(--navy) 60%, #0b1228 100%);
  --grad-accent: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { line-height: 1.15; font-weight: 800; letter-spacing: -.02em; color: var(--navy); }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.8vw, 2.5rem); }
h3 { font-size: 1.25rem; }
p { color: var(--text-soft); }

.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }

.section-head { max-width: 680px; margin: 0 auto clamp(2rem, 5vw, 3.2rem); text-align: center; }
.section-head .eyebrow { margin-bottom: .75rem; }
.section-head p { font-size: 1.05rem; }

.eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-2);
  background: rgba(20, 184, 166, .1);
  padding: .35rem .8rem;
  border-radius: 999px;
}

.text-grad {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-weight: 700;
  font-size: .98rem;
  padding: .85rem 1.6rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast), color var(--t-fast);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--grad-accent); color: var(--navy); box-shadow: 0 8px 24px rgba(34, 211, 238, .35); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(34, 211, 238, .45); }

.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); background: var(--blue); }

.btn-outline { background: transparent; color: var(--navy); border-color: var(--border); }
.btn-outline:hover { border-color: var(--accent-2); color: var(--accent-2); transform: translateY(-3px); }

.btn-ghost-light { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.3); }
.btn-ghost-light:hover { background: rgba(255,255,255,.18); transform: translateY(-3px); }

.btn-wa { background: #25d366; color: #fff; box-shadow: 0 8px 24px rgba(37, 211, 102, .35); }
.btn-wa:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(37, 211, 102, .45); }

/* ---------- Navbar ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--t);
}
.nav.scrolled { box-shadow: var(--shadow-sm); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }

.brand { display: flex; align-items: center; gap: .6rem; font-weight: 800; font-size: 1.2rem; color: var(--navy); }
.brand .logo {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 10px;
  overflow: hidden;
  background: var(--navy);
  color: var(--navy);
  font-weight: 900;
  box-shadow: 0 4px 12px rgba(34, 211, 238, .35);
  flex: none;
}
.brand .logo img { width: 100%; height: 100%; object-fit: cover; display: block; }
/* Footer brand badge sits on a dark bg — keep a subtle ring */
.footer .brand .logo { box-shadow: 0 0 0 1px rgba(255,255,255,.12); }

/* ---------- Slogan: Research · Development · Production ---------- */
.slogan {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.slogan i {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--grad-accent);
  flex: none;
}
/* Hero variant (on dark hero) */
.slogan-hero {
  margin: 1.1rem 0 0;
  font-size: .8rem;
  color: rgba(255,255,255,.85);
}
.slogan-hero span { color: #fff; }
/* Footer variant */
.slogan-foot {
  margin-top: .9rem;
  font-size: .72rem;
  color: rgba(255,255,255,.55);
}
.slogan-foot span { color: rgba(255,255,255,.8); }

/* ---------- Hero logo showcase (wordmark inside hero card) ---------- */
.logo-showcase {
  background: #fff;
  border-radius: 14px;
  padding: 1.6rem 1.4rem;
  margin-bottom: 1rem;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-sm);
}
.logo-showcase img { width: 100%; max-width: 300px; height: auto; }
.brand span b { color: var(--accent-2); }

.nav-links { display: flex; align-items: center; gap: .35rem; }
.nav-links a {
  font-weight: 600;
  color: var(--text-soft);
  padding: .55rem .85rem;
  border-radius: 8px;
  transition: color var(--t-fast), background var(--t-fast);
  position: relative;
}
.nav-links a:hover { color: var(--navy); background: var(--bg-soft); }
.nav-links a.active { color: var(--blue-600); }
.nav-links a.active::after {
  content: "";
  position: absolute; left: .85rem; right: .85rem; bottom: .3rem;
  height: 2px; border-radius: 2px; background: var(--grad-accent);
}
.nav-links .btn { margin-left: .5rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--navy); border-radius: 2px; transition: var(--t); margin: 0 auto; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--grad);
  color: #fff;
  overflow: hidden;
  padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(4rem, 9vw, 7.5rem);
}
.hero::before, .hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .5;
  z-index: 0;
}
.hero::before { width: 420px; height: 420px; background: rgba(34, 211, 238, .4); top: -120px; right: -80px; }
.hero::after { width: 360px; height: 360px; background: rgba(20, 184, 166, .35); bottom: -140px; left: -100px; }

.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }

.hero h1 { color: #fff; }
.hero .lead { color: rgba(255,255,255,.85); font-size: 1.15rem; max-width: 560px; margin: 1.2rem 0 2rem; }
.hero .eyebrow { color: var(--accent); background: rgba(34, 211, 238, .12); }
.hero-cta { display: flex; flex-wrap: wrap; gap: .9rem; }

.hero-stats { display: flex; gap: 2rem; margin-top: 2.6rem; flex-wrap: wrap; }
.hero-stats .num { font-size: 1.9rem; font-weight: 800; color: #fff; }
.hero-stats .lbl { font-size: .85rem; color: rgba(255,255,255,.7); }

/* Hero visual / code card */
.hero-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-lg);
  padding: 1.2rem;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(6px);
}
.hero-card .bar { display: flex; gap: .4rem; margin-bottom: .9rem; }
.hero-card .bar i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.hero-card .bar i:nth-child(1){ background:#ff5f56; }
.hero-card .bar i:nth-child(2){ background:#ffbd2e; }
.hero-card .bar i:nth-child(3){ background:#27c93f; }
.hero-card pre {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: .82rem;
  line-height: 1.7;
  color: #cbd5e1;
  white-space: pre-wrap;
}
.hero-card .k { color: var(--accent); }
.hero-card .s { color: #86efac; }
.hero-card .c { color: #64748b; font-style: italic; }
.hero-card .f { color: #fcd34d; }

/* ---------- Cards / Grid ---------- */
.grid { display: grid; gap: 1.4rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
  position: relative;
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute; left: 0; top: 0; height: 4px; width: 0;
  background: var(--grad-accent);
  transition: width var(--t);
}
.card:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card:hover::after { width: 100%; }

.card .icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: var(--bg-soft);
  margin-bottom: 1.1rem;
  transition: var(--t);
}
.card:hover .icon { background: var(--grad-accent); }
.card .icon svg { width: 28px; height: 28px; stroke: var(--blue-600); transition: var(--t); }
.card:hover .icon svg { stroke: var(--navy); }
.card h3 { margin-bottom: .5rem; }
.card p { font-size: .96rem; }
.card .more { display: inline-flex; align-items: center; gap: .35rem; margin-top: 1rem; font-weight: 700; color: var(--blue-600); font-size: .9rem; }
.card .more svg { width: 16px; height: 16px; transition: transform var(--t-fast); }
.card:hover .more svg { transform: translateX(4px); }

/* ---------- Intro / About strip ---------- */
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.intro-list { margin-top: 1.4rem; display: grid; gap: .9rem; }
.intro-list li { display: flex; gap: .8rem; align-items: flex-start; color: var(--text-soft); }
.check {
  flex: none; width: 26px; height: 26px; border-radius: 50%;
  background: rgba(20,184,166,.12); color: var(--accent-2);
  display: grid; place-items: center; font-weight: 900; font-size: .85rem;
}
.media-frame {
  border-radius: var(--radius-lg);
  background: var(--grad);
  padding: 2.2rem;
  color: #fff;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.media-frame::before {
  content: ""; position: absolute; width: 200px; height: 200px; border-radius: 50%;
  background: rgba(34,211,238,.3); filter: blur(60px); top: -50px; right: -40px;
}
.media-frame h3 { color: #fff; position: relative; }
.media-frame p { color: rgba(255,255,255,.82); position: relative; }
.mini-stats { display: flex; gap: 1.6rem; margin-top: 1.6rem; position: relative; flex-wrap: wrap; }
.mini-stats .num { font-size: 1.6rem; font-weight: 800; color: var(--accent); }
.mini-stats .lbl { font-size: .8rem; color: rgba(255,255,255,.75); }

/* ---------- Section backgrounds ---------- */
.bg-soft { background: var(--bg-soft-2); }

/* ---------- Portfolio cards ---------- */
.project {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--t), box-shadow var(--t);
  display: flex; flex-direction: column;
}
.project:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.project .shot {
  aspect-ratio: 16 / 10;
  background: var(--grad);
  position: relative;
  display: grid; place-items: center;
  color: rgba(255,255,255,.9);
  overflow: hidden;
}
.project .shot::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(34,211,238,.4), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(20,184,166,.35), transparent 45%);
}
.project .shot .ph {
  position: relative; z-index: 1; text-align: center;
}
.project .shot .ph svg { width: 52px; height: 52px; stroke: rgba(255,255,255,.85); margin: 0 auto .5rem; }
.project .shot .ph span { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.7); }
.project .shot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.project .body { padding: 1.5rem; display: flex; flex-direction: column; flex: 1; }
.project .body h3 { margin-bottom: .5rem; }
.project .body p { font-size: .94rem; flex: 1; }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1rem; }
.tag {
  font-size: .73rem; font-weight: 700;
  padding: .3rem .65rem; border-radius: 999px;
  background: var(--bg-soft); color: var(--text-soft);
  transition: var(--t-fast);
}
.project:hover .tag { background: rgba(34,211,238,.15); color: var(--blue); }

/* ---------- Testimonials ---------- */
.quote {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: transform var(--t), box-shadow var(--t);
}
.quote:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.quote .stars { color: #fbbf24; letter-spacing: 2px; margin-bottom: .8rem; }
.quote p { color: var(--text); font-style: italic; }
.quote .who { display: flex; align-items: center; gap: .8rem; margin-top: 1.2rem; }
.quote .avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--grad-accent); color: var(--navy);
  display: grid; place-items: center; font-weight: 800;
}
.quote .who b { display: block; color: var(--navy); }
.quote .who small { color: var(--text-muted); }

/* ---------- FAQ accordion ---------- */
.faq-wrap { max-width: 800px; margin: 0 auto; display: grid; gap: .9rem; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); background: var(--white); overflow: hidden; transition: box-shadow var(--t); }
.faq-item.open { box-shadow: var(--shadow-md); }
.faq-q {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
  padding: 1.25rem 1.4rem; font-size: 1.05rem; font-weight: 700; color: var(--navy);
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq-q .plus { flex: none; width: 26px; height: 26px; position: relative; transition: transform var(--t); }
.faq-q .plus::before, .faq-q .plus::after {
  content: ""; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  background: var(--accent-2); border-radius: 2px;
}
.faq-q .plus::before { width: 14px; height: 2px; }
.faq-q .plus::after { width: 2px; height: 14px; transition: transform var(--t); }
.faq-item.open .faq-q .plus::after { transform: translate(-50%,-50%) scaleY(0); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height var(--t); }
.faq-a p { padding: 0 1.4rem 1.3rem; font-size: .98rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 3.5rem); align-items: start; }
.contact-info { display: grid; gap: 1.1rem; }
.info-card {
  display: flex; gap: 1rem; align-items: flex-start;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.3rem;
  transition: transform var(--t), box-shadow var(--t);
}
.info-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.info-card .ic { flex: none; width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; background: var(--bg-soft); }
.info-card .ic svg { width: 24px; height: 24px; stroke: var(--blue-600); }
.info-card b { color: var(--navy); display: block; }
.info-card a, .info-card span { color: var(--text-soft); word-break: break-word; }

.form { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: clamp(1.5rem, 4vw, 2.4rem); box-shadow: var(--shadow-sm); }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .45rem; color: var(--navy); }
.field input, .field textarea, .field select {
  width: 100%; padding: .85rem 1rem; font: inherit;
  border: 1px solid var(--border); border-radius: 10px; background: var(--bg-soft-2);
  transition: border var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--accent-2); background: #fff;
  box-shadow: 0 0 0 4px rgba(20,184,166,.12);
}
.field textarea { resize: vertical; min-height: 130px; }
.form .btn { width: 100%; justify-content: center; }
.form-note { font-size: .82rem; color: var(--text-muted); text-align: center; margin-top: 1rem; }
.form-msg { margin-top: 1rem; padding: .9rem 1rem; border-radius: 10px; font-weight: 600; font-size: .92rem; display: none; }
.form-msg.show { display: block; }
.form-msg.ok { background: rgba(20,184,166,.12); color: #0f766e; }
.form-msg.err { background: rgba(239,68,68,.1); color: #b91c1c; }

.socials { display: flex; gap: .7rem; margin-top: .4rem; }
.socials a {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--bg-soft); transition: var(--t);
}
.socials a:hover { background: var(--grad-accent); transform: translateY(-3px); }
.socials a svg { width: 22px; height: 22px; fill: var(--navy); }

/* ---------- CTA band ---------- */
.cta-band { background: var(--grad); color: #fff; border-radius: var(--radius-lg); padding: clamp(2.5rem, 6vw, 4rem); text-align: center; position: relative; overflow: hidden; }
.cta-band::before { content:""; position:absolute; width:300px; height:300px; border-radius:50%; background:rgba(34,211,238,.3); filter:blur(70px); top:-100px; left:50%; transform:translateX(-50%); }
.cta-band h2 { color: #fff; position: relative; }
.cta-band p { color: rgba(255,255,255,.85); max-width: 560px; margin: 1rem auto 1.8rem; position: relative; }
.cta-band .btns { display: flex; gap: .9rem; justify-content: center; flex-wrap: wrap; position: relative; }

/* ---------- Page header (sub pages) ---------- */
.page-head { background: var(--grad); color: #fff; padding: clamp(3rem, 7vw, 5rem) 0 clamp(3.2rem, 7vw, 5.2rem); text-align: center; position: relative; overflow: hidden; }
.page-head::before { content:""; position:absolute; width:380px; height:380px; border-radius:50%; background:rgba(34,211,238,.32); filter:blur(80px); top:-140px; right:-80px; }
.page-head h1 { color: #fff; position: relative; }
.page-head p { color: rgba(255,255,255,.85); max-width: 620px; margin: 1rem auto 0; position: relative; font-size: 1.1rem; }
.crumbs { font-size: .85rem; color: rgba(255,255,255,.7); margin-bottom: 1rem; position: relative; }
.crumbs a:hover { color: var(--accent); }

/* ---------- Footer ---------- */
.footer { background: var(--navy); color: rgba(255,255,255,.7); padding: clamp(3rem, 6vw, 4rem) 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 2rem; }
.footer .brand { color: #fff; margin-bottom: 1rem; }
.footer p { color: rgba(255,255,255,.6); font-size: .92rem; }
.footer h4 { color: #fff; font-size: .95rem; margin-bottom: 1rem; letter-spacing: .02em; }
.footer ul { display: grid; gap: .6rem; }
.footer ul a { color: rgba(255,255,255,.65); font-size: .92rem; transition: color var(--t-fast); }
.footer ul a:hover { color: var(--accent); }
.footer .foot-socials { display: flex; gap: .6rem; margin-top: 1rem; }
.footer .foot-socials a { width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,.08); display: grid; place-items: center; transition: var(--t); }
.footer .foot-socials a:hover { background: var(--grad-accent); transform: translateY(-3px); }
.footer .foot-socials a svg { width: 18px; height: 18px; fill: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 2.5rem; padding-top: 1.5rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-size: .85rem; }

/* ---------- Floating WhatsApp ---------- */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 90;
  width: 60px; height: 60px; border-radius: 50%;
  background: #25d366; display: grid; place-items: center;
  box-shadow: 0 10px 26px rgba(37,211,102,.45);
  transition: transform var(--t), box-shadow var(--t);
  animation: wa-pop .5s ease both;
}
.wa-float:hover { transform: scale(1.08); box-shadow: 0 14px 32px rgba(37,211,102,.55); }
.wa-float svg { width: 32px; height: 32px; fill: #fff; }
.wa-float::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid #25d366; animation: wa-ring 2.2s ease-out infinite;
}
@keyframes wa-ring { 0%{ transform: scale(1); opacity:.7;} 100%{ transform: scale(1.7); opacity:0;} }
@keyframes wa-pop { from{ transform: scale(0); } to{ transform: scale(1); } }

/* ---------- Scroll reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
[data-reveal][data-delay="4"] { transition-delay: .32s; }
[data-reveal][data-delay="5"] { transition-delay: .4s; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .intro-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-card { order: -1; max-width: 460px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; top: 70px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: .25rem;
    background: #fff; border-bottom: 1px solid var(--border);
    padding: 1rem var(--gutter) 1.5rem;
    box-shadow: var(--shadow-md);
    transform: translateY(-130%);
    transition: transform var(--t);
    max-height: calc(100vh - 70px); overflow-y: auto;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: .85rem 1rem; }
  .nav-links a.active::after { display: none; }
  .nav-links .btn { margin: .5rem 0 0; justify-content: center; }
}

@media (max-width: 560px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-cta .btn, .cta-band .btns .btn { width: 100%; justify-content: center; }
  .hero-stats { gap: 1.4rem; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}