/*
Theme Name: One Stop Computers
Theme URI: https://onestopcomputersolutions.com
Author: One Stop Computer Solutions
Description: A modern, Apple-inspired theme for One Stop Computer Solutions – your premier computer hardware reseller.
Version: 1.0.0
Requires at least: 5.8
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: one-stop-computers
Tags: custom-menu, featured-images, responsive-layout, full-width-template
*/

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --color-bg:            #ffffff;
  --color-bg-alt:        #f5f5f7;
  --color-bg-dark:       #000000;
  --color-text:          #1d1d1f;
  --color-text-secondary:#6e6e73;
  --color-text-light:    #a1a1a6;
  --color-accent:        #0071e3;
  --color-accent-hover:  #0077ed;
  --color-accent-dark:   #005bb5;
  --color-border:        #d2d2d7;
  --color-border-light:  #e8e8ed;
  --color-success:       #34c759;
  --color-warning:       #ff9500;
  --color-danger:        #ff3b30;
  --color-white:         #ffffff;

  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
                 "Helvetica Neue", Helvetica, Arial, sans-serif;

  --nav-height:    52px;
  --max-width:     1200px;
  --max-width-sm:  860px;
  --radius-sm:     8px;
  --radius-md:     12px;
  --radius-lg:     18px;
  --radius-pill:   9999px;

  --shadow-sm:  0 1px 4px rgba(0,0,0,.08), 0 2px 8px rgba(0,0,0,.04);
  --shadow-md:  0 4px 20px rgba(0,0,0,.10), 0 1px 4px rgba(0,0,0,.06);
  --shadow-lg:  0 8px 40px rgba(0,0,0,.14), 0 2px 8px rgba(0,0,0,.08);
  --shadow-xl:  0 20px 60px rgba(0,0,0,.18);

  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover { color: var(--color-accent-hover); }

ul, ol { list-style: none; }

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.headline-xl  { font-size: clamp(40px, 6vw, 80px); letter-spacing: -0.03em; }
.headline-lg  { font-size: clamp(28px, 4vw, 52px); letter-spacing: -0.02em; }
.headline-md  { font-size: clamp(22px, 3vw, 36px); letter-spacing: -0.02em; }
.headline-sm  { font-size: clamp(18px, 2vw, 24px); }

.body-lg  { font-size: 21px; line-height: 1.5; font-weight: 400; }
.body-md  { font-size: 17px; line-height: 1.6; }
.body-sm  { font-size: 14px; line-height: 1.5; }
.caption  { font-size: 12px; line-height: 1.4; color: var(--color-text-secondary); }

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.container--sm {
  max-width: var(--max-width-sm);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.text-center { text-align: center; }
.text-left   { text-align: left; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 17px;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,113,227,.35);
}

.btn--secondary {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}

.btn--secondary:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn--ghost-white {
  background: rgba(255,255,255,.15);
  color: var(--color-white);
  border: 1.5px solid rgba(255,255,255,.4);
  backdrop-filter: blur(8px);
}

.btn--ghost-white:hover {
  background: rgba(255,255,255,.25);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn--sm {
  padding: 10px 20px;
  font-size: 15px;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,.08);
  transition: background var(--transition-base), border-color var(--transition-base);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav__logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  transition: color var(--transition-fast);
  /* Always dark text — no dark mode nav */
}

.nav__logo:hover { color: var(--color-accent); }

.nav__logo span {
  color: var(--color-accent);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__menu a {
  padding: 6px 14px;
  font-size: 15px;
  font-weight: 400;
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
}

.nav__menu a:hover {
  background: rgba(0,0,0,.06);
  color: var(--color-text);
}

.nav__menu a.active {
  color: var(--color-accent);
  font-weight: 500;
}

.nav__cta {
  flex-shrink: 0;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.nav__hamburger:hover { background: rgba(0,0,0,.06); }

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav__hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-light);
  padding: 16px 24px 24px;
  z-index: 999;
  box-shadow: var(--shadow-lg);
}

.nav__mobile-menu.is-open { display: block; }

.nav__mobile-menu a {
  display: block;
  padding: 14px 0;
  font-size: 17px;
  font-weight: 400;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border-light);
  transition: color var(--transition-fast);
}

.nav__mobile-menu a:last-child { border-bottom: none; }
.nav__mobile-menu a:hover { color: var(--color-accent); }

/* Page content offset */
.page-content { padding-top: var(--nav-height); }

/* ============================================================
   HERO SECTIONS
   ============================================================ */

/* Full hero (home page) */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: #ffffff;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-height) + 60px) 24px 80px;
  border-bottom: 1px solid var(--color-border-light);
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 70%;
  background: radial-gradient(ellipse, rgba(0,113,227,.06) 0%, transparent 65%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(255,255,255,.1), transparent);
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
}

.hero__eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
  display: block;
}

.hero__headline {
  font-size: clamp(44px, 7vw, 88px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.02;
  color: var(--color-text);
  margin-bottom: 24px;
}

.hero__headline em {
  font-style: normal;
  background: linear-gradient(135deg, #0050b0 0%, #0071e3 50%, #0090ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtext {
  font-size: clamp(17px, 2.5vw, 22px);
  line-height: 1.5;
  color: var(--color-text-secondary);
  max-width: 580px;
  margin: 0 auto 40px;
  font-weight: 300;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-light);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: bounce 2s ease-in-out infinite;
}

.hero__scroll-hint svg { opacity: 0.5; }

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* Small page hero */
.page-hero {
  padding: calc(var(--nav-height) + 60px) 24px 60px;
  background: var(--color-bg);
  text-align: center;
  border-bottom: 1px solid var(--color-border-light);
}

.page-hero--dark {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border-light);
}

.page-hero--dark .page-hero__eyebrow { color: var(--color-accent); }
.page-hero--dark .page-hero__title   { color: var(--color-text); }
.page-hero--dark .page-hero__sub     { color: var(--color-text-secondary); }

.page-hero__eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
  display: block;
}

.page-hero__title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--color-text);
  margin-bottom: 16px;
}

.page-hero__sub {
  font-size: 18px;
  color: var(--color-text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.5;
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: 96px 24px;
}

.section--sm { padding: 64px 24px; }
.section--lg { padding: 120px 24px; }
.section--alt { background: var(--color-bg-alt); }
.section--dark {
  background: var(--color-bg-dark);
  color: var(--color-white);
}

.section__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
  display: block;
}

.section__title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
}

.section__sub {
  font-size: 18px;
  color: var(--color-text-secondary);
  max-width: 540px;
  margin: 0 auto 56px;
  line-height: 1.5;
}

.section--dark .section__title { color: var(--color-white); }
.section--dark .section__sub   { color: rgba(255,255,255,.6); }

/* ============================================================
   FEATURE CARDS (Home page)
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.feature-card__icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, #e8f1fc, #d0e4f8);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-card__icon svg {
  width: 26px;
  height: 26px;
  color: var(--color-accent);
}

.feature-card__title {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.feature-card__text {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.product-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: rgba(0,113,227,.25);
}

.product-card__image-wrap {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--color-bg-alt);
  overflow: hidden;
}

.product-card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card__image-wrap img {
  transform: scale(1.04);
}

.product-card__no-image {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f0f0f5, #e8e8f0);
}

.product-card__no-image svg {
  width: 64px;
  height: 64px;
  color: var(--color-text-light);
  opacity: .5;
}

.product-card__badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(0,0,0,.6);
  color: var(--color-white);
  backdrop-filter: blur(8px);
}

.product-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card__category {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.product-card__title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.3;
}

.product-card__short-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
}

.product-card__specs {
  list-style: none;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.product-card__specs li {
  font-size: 13px;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.product-card__specs li::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

.product-card__footer {
  margin-top: auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
}

.product-card__price {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.product-card__price .price-label {
  font-size: 12px;
  font-weight: 400;
  color: var(--color-text-secondary);
  display: block;
  margin-bottom: 2px;
  letter-spacing: 0;
}

.product-card__status {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

/* Availability badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
}

.badge--in-stock  { background: #e8f8ed; color: #1a7a3a; }
.badge--limited   { background: #fff4e5; color: #a05500; }
.badge--out       { background: #fce8e8; color: #b02020; }
.badge--new       { background: #e5f0ff; color: #0055aa; }
.badge--refurb    { background: #f2f0ff; color: #5500aa; }
.badge--used      { background: #f5f5f5; color: #555; }

.badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.badge--in-stock .badge__dot { background: var(--color-success); }
.badge--limited  .badge__dot { background: var(--color-warning); }
.badge--out      .badge__dot { background: var(--color-danger); }

/* ============================================================
   PRODUCTS FILTER
   ============================================================ */
.products-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1.5px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(0,113,227,.06);
}

.filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

.product-card.hidden { display: none; }

/* ============================================================
   PRODUCT DETAIL (Single)
   ============================================================ */
.product-detail {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 64px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.product-detail__image-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-bg-alt);
  box-shadow: var(--shadow-md);
}

.product-detail__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail__no-image {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-detail__no-image svg { width: 80px; height: 80px; color: var(--color-text-light); opacity: .4; }

.product-detail__info { padding: 8px 0; }

.product-detail__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--color-accent);
  text-decoration: none;
  margin-bottom: 24px;
  transition: gap var(--transition-fast);
}

.product-detail__back:hover { gap: 10px; }

.product-detail__category {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.product-detail__title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.15;
}

.product-detail__price {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 24px;
}

.product-detail__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.product-detail__desc {
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

.product-detail__specs-title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.product-detail__specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 32px;
  font-size: 15px;
}

.product-detail__specs-table tr {
  border-bottom: 1px solid var(--color-border-light);
}

.product-detail__specs-table tr:last-child { border-bottom: none; }

.product-detail__specs-table td {
  padding: 10px 0;
  vertical-align: top;
}

.product-detail__specs-table td:first-child {
  color: var(--color-text-secondary);
  font-weight: 500;
  width: 40%;
  padding-right: 16px;
}

.product-detail__specs-table td:last-child {
  color: var(--color-text);
}

.product-detail__specs-raw {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  white-space: pre-line;
  margin-bottom: 32px;
}

.product-detail__cta {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--color-border-light);
}

.product-detail__cta p {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, #0050a0 0%, #0071e3 50%, #0090ff 100%);
  padding: 80px 24px;
  text-align: center;
}

.cta-banner__title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-white);
  margin-bottom: 16px;
}

.cta-banner__sub {
  font-size: 18px;
  color: rgba(255,255,255,.8);
  max-width: 480px;
  margin: 0 auto 36px;
  line-height: 1.5;
}

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
  background: #ffffff;
  padding: 56px 24px;
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.stat__number {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #0050b0, #0071e3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat__label {
  font-size: 14px;
  color: var(--color-text-secondary);
  font-weight: 400;
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-intro {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-intro__content {}

.about-intro__eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
  display: block;
}

.about-intro__title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
  line-height: 1.1;
}

.about-intro__text {
  font-size: 17px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.about-intro__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  box-shadow: var(--shadow-xl);
  background: linear-gradient(135deg, #e8f1fc 0%, #d0e4f8 50%, #bfd4f0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-intro__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-intro__image-placeholder {
  text-align: center;
  padding: 40px;
}

.about-intro__image-placeholder svg { width: 80px; height: 80px; color: var(--color-accent); opacity: .4; margin-bottom: 16px; }
.about-intro__image-placeholder p { font-size: 14px; color: var(--color-text-secondary); }

/* Values grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.value-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition-base);
}

.value-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(0,113,227,.2);
}

.value-card__number {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #d0e4f8, #0071e3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 12px;
}

.value-card__title {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.value-card__text {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Contact section */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.contact-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition-base);
}

.contact-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.contact-card__icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #e8f1fc, #d0e4f8);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.contact-card__icon svg { width: 28px; height: 28px; color: var(--color-accent); }

.contact-card__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.contact-card__value {
  font-size: 17px;
  font-weight: 500;
  color: var(--color-text);
}

.contact-card__value a { color: var(--color-accent); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #1d1d1f;
  color: rgba(255,255,255,.6);
  padding: 60px 24px 32px;
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: 32px;
}

.footer__brand-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.footer__brand-name span { color: var(--color-accent); }

.footer__brand-desc {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer__col-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__links a:hover { color: var(--color-white); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  flex-wrap: wrap;
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 80px 24px;
  grid-column: 1 / -1;
}

.empty-state svg { width: 64px; height: 64px; color: var(--color-text-light); margin: 0 auto 16px; opacity: .4; }
.empty-state h3 { font-size: 20px; margin-bottom: 8px; }
.empty-state p  { font-size: 15px; color: var(--color-text-secondary); }

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ============================================================
   DIVIDER
   ============================================================ */
.divider {
  height: 1px;
  background: var(--color-border-light);
  margin: 0;
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.breadcrumb a { color: var(--color-accent); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb__sep { opacity: .5; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__top   { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stats-grid    { grid-template-columns: repeat(2, 1fr); }
  .about-intro   { gap: 48px; }
  .product-detail { gap: 40px; }
}

@media (max-width: 768px) {
  :root { --nav-height: 52px; }

  body { font-size: 16px; }

  .nav__menu,
  .nav__cta { display: none; }

  .nav__hamburger { display: flex; }

  .features-grid    { grid-template-columns: 1fr; }
  .products-grid    { grid-template-columns: 1fr; }
  .values-grid      { grid-template-columns: 1fr; }
  .contact-grid     { grid-template-columns: 1fr; }
  .stats-grid       { grid-template-columns: repeat(2, 1fr); }
  .about-intro      { grid-template-columns: 1fr; }
  .about-intro__image { aspect-ratio: 16/9; order: -1; }
  .product-detail   { grid-template-columns: 1fr; gap: 32px; }
  .footer__top      { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom   { flex-direction: column; text-align: center; }

  .section    { padding: 64px 20px; }
  .section--lg { padding: 80px 20px; }
  .page-hero  { padding: calc(var(--nav-height) + 40px) 20px 48px; }

  .hero__headline { font-size: clamp(36px, 10vw, 52px); }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .btn-group  { flex-direction: column; align-items: stretch; }
  .btn-group .btn { text-align: center; justify-content: center; }
  .product-card__footer { flex-direction: column; align-items: flex-start; }
  .product-detail__price { font-size: 28px; }
}