/* =========================================
   Tino Parts LLC — wholesale electronics
   Clean light design
   ========================================= */

:root {
  --ink: #0B0D12;
  --muted: #6E7787;
  --line: #E7EAF0;
  --bg-soft: #F5F6F8;
  --blue: #0071E3;
  --blue-dark: #0059B3;
  --r: 16px;
  --shadow-sm: 0 1px 2px rgba(11, 13, 18, .05), 0 3px 12px rgba(11, 13, 18, .05);
  --shadow-md: 0 10px 34px rgba(11, 13, 18, .12);
  --wrap: 1080px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
figure { margin: 0; }

.container { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; font-weight: 800; }
h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.05rem; }

.eyebrow {
  display: inline-block;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}

.eyebrow.light { color: #7EB9F7; }

.muted { color: var(--muted); }

/* ---------- Nav ---------- */

.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 66px;
}

.brand {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand span { color: var(--blue); }

.brand em {
  font-style: normal;
  font-size: .62rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .08em;
  margin-left: 6px;
  vertical-align: super;
}

.navlinks { display: flex; gap: 24px; font-weight: 600; font-size: .9rem; color: var(--muted); }
.navlinks a:hover { color: var(--ink); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 18px;
  border-radius: 11px;
  font-weight: 700;
  font-size: .9rem;
  transition: background .2s ease, box-shadow .2s ease, transform .15s ease;
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 6px 18px rgba(0, 113, 227, .3);
}

.btn-primary:hover { background: var(--blue-dark); }

.btn-lg { padding: 14px 24px; font-size: 1rem; border-radius: 13px; }

/* ---------- Hero ---------- */

.hero {
  padding: 66px 0 60px;
  background: linear-gradient(180deg, #FAFBFC, #fff);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 50px;
  align-items: center;
}

.lead { margin-top: 16px; color: var(--muted); font-size: 1.05rem; max-width: 52ch; }

.actions { margin-top: 28px; }

.hero-mail { margin-top: 16px; font-size: .9rem; color: var(--muted); }
.hero-mail a { color: var(--blue); font-weight: 700; }
.hero-mail a:hover { text-decoration: underline; }

.hero-photo {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
  background: #F2F3F5;
}

.hero-photo img { width: 100%; height: 340px; object-fit: cover; }

/* ---------- Strip ---------- */

.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.strip-item {
  padding: 20px 14px;
  text-align: center;
}

.strip-item b { display: block; font-size: 1rem; letter-spacing: -0.01em; }
.strip-item span { color: var(--muted); font-size: .8rem; font-weight: 500; }

/* ---------- Sections ---------- */

.section { padding: 74px 0; }
.section-alt { background: var(--bg-soft); }
.section-head { margin-bottom: 36px; }

/* ---------- Cards ---------- */

.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 26px 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .25s ease, transform .2s ease;
  display: flex;
  flex-direction: column;
}

.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: #EAF3FE;
  color: var(--blue);
  margin-bottom: 15px;
}

.icon svg { width: 24px; height: 24px; }

.card h3 { margin-bottom: 7px; }
.card p { color: var(--muted); font-size: .92rem; }

.card-link {
  margin-top: auto;
  padding-top: 14px;
  font-weight: 700;
  font-size: .88rem;
  color: var(--blue);
}

.card-link:hover { text-decoration: underline; }

/* ---------- Split ---------- */

.split {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 50px;
  align-items: center;
}

.split-photo {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
  background: #fff;
}

.split-photo img { width: 100%; height: 380px; object-fit: cover; }

.split .muted { margin-top: 12px; }

.ticks { list-style: none; display: grid; gap: 11px; margin: 22px 0 26px; }
.ticks li { display: flex; align-items: center; gap: 11px; font-weight: 600; font-size: .94rem; }

.tick {
  flex: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #E4F4EA;
  color: #1F8A4C;
  font-size: .72rem;
  font-weight: 800;
}

/* ---------- Product categories ---------- */

.grid4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.head-sub { max-width: 56ch; margin-top: 10px; }

.container-narrow { max-width: 780px; }

.pcard {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .25s ease, transform .2s ease;
  display: flex;
  flex-direction: column;
}

.pcard:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.pcard figure { height: 160px; overflow: hidden; }

.pcard figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.pcard:hover figure img { transform: scale(1.05); }

.pcard-body {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.pcard-body h3 { margin-bottom: 5px; font-size: .98rem; }
.pcard-body p { color: var(--muted); font-size: .86rem; }
.pcard-body .card-link { margin-top: auto; padding-top: 12px; }

/* ---------- Steps ---------- */

.step {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 30px 22px 22px;
  box-shadow: var(--shadow-sm);
}

.step-num {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  font-size: .9rem;
  margin-bottom: 14px;
}

.step h3 { font-size: .98rem; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: .87rem; }

.inline-mail { color: var(--blue); font-weight: 700; }
.inline-mail:hover { text-decoration: underline; }

/* ---------- Grading ---------- */

.grade { align-items: flex-start; }

.grade-badge {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.2rem;
  margin-bottom: 14px;
  color: #fff;
}

.grade-badge.a { background: #1F8A4C; }
.grade-badge.b { background: var(--blue); }
.grade-badge.c { background: #B96A00; }

/* ---------- Who we work with ---------- */

.wcard {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 24px 22px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .25s ease, transform .2s ease;
}

.wcard:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.wcard h3 { font-size: .97rem; margin-bottom: 5px; }
.wcard p { color: var(--muted); font-size: .86rem; }

/* ---------- FAQ ---------- */

.faq-list { display: grid; gap: 12px; }

.faq {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 13px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color .25s ease;
}

.faq[open] { border-color: rgba(0, 113, 227, .45); }

.faq summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 17px 20px;
  cursor: pointer;
  font-weight: 700;
  font-size: .95rem;
}

.faq summary::-webkit-details-marker { display: none; }

.faq-x {
  flex: none;
  width: 26px; height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--bg-soft);
  color: var(--muted);
  font-weight: 600;
  transition: transform .25s ease, background .2s ease, color .2s ease;
}

.faq[open] .faq-x { transform: rotate(45deg); background: #EAF3FE; color: var(--blue); }

.faq p { padding: 0 20px 18px; color: var(--muted); font-size: .92rem; }

/* ---------- Email band ---------- */

.mailband {
  background: linear-gradient(160deg, #0B0D12, #1A2233);
  color: #fff;
  padding: 72px 0;
}

.mailband-inner { text-align: center; }

.mailband h2 { color: #fff; }

.bigmail {
  display: inline-block;
  margin: 22px 0 14px;
  font-size: clamp(1.4rem, 4.4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #7EB9F7;
  border-bottom: 3px solid rgba(126, 185, 247, .35);
  padding-bottom: 6px;
  transition: color .2s ease, border-color .2s ease;
}

.bigmail:hover { color: #fff; border-color: #fff; }

.mailband p { color: #9AA5B8; font-size: .92rem; }

/* ---------- Contact ---------- */

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.ccard {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 26px 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .25s ease, transform .2s ease, border-color .2s ease;
}

.ccard:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.ccard.highlight { border-color: rgba(0, 113, 227, .4); background: #F7FAFF; }
.ccard.highlight .icon { background: var(--blue); color: #fff; }

.ccard h3 { margin-bottom: 5px; }
.ccard p { color: var(--muted); }
.ccard.highlight p b { color: var(--blue); font-size: 1.05rem; }

/* ---------- Footer ---------- */

footer {
  border-top: 1px solid var(--line);
  padding: 26px 0;
  font-size: .86rem;
  color: var(--muted);
}

.foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.foot a { color: var(--blue); font-weight: 600; }
.foot a:hover { text-decoration: underline; }

/* ---------- Responsive ---------- */

@media (max-width: 1000px) {
  .grid4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .split { grid-template-columns: 1fr; gap: 30px; }
  .grid3 { grid-template-columns: 1fr; }
  .grid2 { grid-template-columns: 1fr; }
  .strip-grid { grid-template-columns: 1fr 1fr; }
  .navlinks { display: none; }
  .hero { padding: 46px 0; }
  .section { padding: 56px 0; }
  .hero-photo img { height: 260px; }
  .split-photo img { height: 280px; }
}

@media (max-width: 640px) {
  .grid4 { grid-template-columns: 1fr; }
  .pcard figure { height: 190px; }
}