/* ===================================================
   ASSA INSTINCT – aizaluzie.cz
   Design system & styles
   =================================================== */

/* ── Custom properties ── */
:root {
  --clr-dark:    #1e2330;
  --clr-dark-2:  #252b3b;
  --clr-blue:    #4a90d9;
  --clr-blue-h:  #2e6db4;
  --clr-silver:  #a0a8b8;
  --clr-light:   #f5f6f8;
  --clr-white:   #ffffff;
  --clr-text:    #1a1f2e;
  --clr-text-2:  #5a6070;
  --clr-border:  #e2e5ed;
  --clr-success: #28a745;

  --ff-base: 'Inter', system-ui, -apple-system, sans-serif;
  --fw-light:  300;
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semi:   600;
  --fw-bold:   700;
  --fw-black:  800;

  --fs-xs:  0.75rem;
  --fs-sm:  0.875rem;
  --fs-md:  1rem;
  --fs-lg:  1.125rem;
  --fs-xl:  1.375rem;
  --fs-2xl: 1.75rem;
  --fs-3xl: 2.25rem;
  --fs-4xl: 3rem;
  --fs-5xl: 3.75rem;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;
  --radius-full: 9999px;

  --shadow-sm:  0 1px 4px rgba(0,0,0,.08);
  --shadow-md:  0 4px 20px rgba(0,0,0,.12);
  --shadow-lg:  0 8px 40px rgba(0,0,0,.16);
  --shadow-xl:  0 16px 60px rgba(0,0,0,.2);

  --transition: .3s cubic-bezier(.4,0,.2,1);
  --navbar-h: 72px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--ff-base);
  color: var(--clr-text);
  background: var(--clr-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, select, textarea { font: inherit; }

/* ── Container ── */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-weight: var(--fw-semi);
  border-radius: var(--radius-full);
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
  font-size: var(--fs-md);
}
.btn--sm  { padding: .5rem 1.25rem; font-size: var(--fs-sm); }
.btn--lg  { padding: .875rem 2rem; font-size: var(--fs-lg); }
.btn--full { width: 100%; justify-content: center; }

.btn--primary {
  background: var(--clr-blue);
  color: var(--clr-white);
  box-shadow: 0 4px 16px rgba(74,144,217,.35);
}
.btn--primary:hover, .btn--primary:focus-visible {
  background: var(--clr-blue-h);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(74,144,217,.45);
}

.btn--outline {
  background: transparent;
  color: var(--clr-white);
  border: 2px solid rgba(255,255,255,.5);
}
.btn--outline:hover, .btn--outline:focus-visible {
  border-color: var(--clr-white);
  background: rgba(255,255,255,.1);
  transform: translateY(-2px);
}

.btn--secondary {
  background: var(--clr-light);
  color: var(--clr-blue);
  font-weight: var(--fw-semi);
  padding: .625rem 1.5rem;
}
.btn--secondary:hover, .btn--secondary:focus-visible {
  background: var(--clr-blue);
  color: var(--clr-white);
  transform: translateY(-2px);
}

/* ── Section helpers ── */
.section { padding-block: clamp(4rem, 8vw, 7rem); }

.section__header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section__tag {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--clr-blue);
  background: rgba(74,144,217,.1);
  border-radius: var(--radius-full);
  padding: .375rem 1rem;
  margin-bottom: 1rem;
}
.section__title {
  font-size: clamp(var(--fs-2xl), 4vw, var(--fs-4xl));
  font-weight: var(--fw-black);
  line-height: 1.15;
  color: var(--clr-text);
  margin-bottom: 1rem;
}
.section__subtitle {
  font-size: clamp(var(--fs-md), 2vw, var(--fs-lg));
  color: var(--clr-text-2);
  max-width: 560px;
  margin-inline: auto;
}

/* ── Animations ── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp .7s var(--transition) forwards;
}
.fade-in:nth-child(1) { animation-delay: .1s; }
.fade-in:nth-child(2) { animation-delay: .25s; }
.fade-in:nth-child(3) { animation-delay: .4s; }
.fade-in:nth-child(4) { animation-delay: .55s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .65s ease, transform .65s ease;
  transition-delay: var(--delay, 0s);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--navbar-h);
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(20, 24, 36, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,.25);
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.navbar__logo img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
}
.navbar__brand {
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--clr-white);
}

.navbar__nav ul {
  display: flex;
  gap: 2rem;
}
.navbar__nav a {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: rgba(255,255,255,.85);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}
.navbar__nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--clr-blue);
  transition: width var(--transition);
  border-radius: 2px;
}
.navbar__nav a:hover { color: var(--clr-white); }
.navbar__nav a:hover::after { width: 100%; }

.navbar__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.lang-switch {
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: .1em;
  color: rgba(255,255,255,.7);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: var(--radius-full);
  padding: .3rem .75rem;
  transition: var(--transition);
}
.lang-switch:hover {
  color: var(--clr-white);
  border-color: var(--clr-white);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: .5rem;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ═══════════════════════════════════════════
   HERO
═══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--navbar-h);
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(30,35,48,.92) 0%, rgba(37,43,59,.80) 60%, rgba(74,144,217,.15) 100%),
    url('../assets/banka/rolety/solarni-predokenni-rolety.webp') center/cover no-repeat;
  z-index: 0;
}
.hero__bg::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--clr-white), transparent);
}
.hero__content {
  position: relative;
  z-index: 1;
  padding-block: 4rem;
  max-width: 700px;
}
.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--clr-blue);
  background: rgba(74,144,217,.15);
  border: 1px solid rgba(74,144,217,.3);
  border-radius: var(--radius-full);
  padding: .375rem 1rem;
  margin-bottom: 1rem;
}
.hero__promo {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: var(--fs-sm);
  color: rgba(255,255,255,.9);
  background: linear-gradient(135deg, rgba(255,193,7,.25), rgba(255,152,0,.2));
  border: 1px solid rgba(255,193,7,.45);
  border-radius: var(--radius-full);
  padding: .5rem 1.25rem;
  margin-bottom: 1.5rem;
}
.hero__promo strong {
  color: #ffc107;
  font-weight: var(--fw-bold);
}
.hero__title {
  font-size: clamp(2.5rem, 6vw, var(--fs-5xl));
  font-weight: var(--fw-black);
  line-height: 1.1;
  color: var(--clr-white);
  margin-bottom: 1.5rem;
}
.hero__title em {
  font-style: normal;
  color: var(--clr-blue);
}
.hero__subtitle {
  font-size: clamp(var(--fs-md), 2vw, var(--fs-xl));
  color: rgba(255,255,255,.75);
  margin-bottom: 2.5rem;
  max-width: 520px;
  font-weight: var(--fw-light);
  line-height: 1.7;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.hero__scroll span {
  display: block;
  width: 24px; height: 40px;
  border: 2px solid rgba(255,255,255,.4);
  border-radius: var(--radius-full);
  position: relative;
}
.hero__scroll span::before {
  content: '';
  position: absolute;
  top: 6px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 8px;
  background: var(--clr-white);
  border-radius: 2px;
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot {
  0%   { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(16px); }
}

/* ═══════════════════════════════════════════
   PRODUCTS
═══════════════════════════════════════════ */
.products { background: var(--clr-white); }

.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.product-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(74,144,217,.2);
}

.product-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}
.product-card__image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.product-card:hover .product-card__image img {
  transform: scale(1.05);
}
.product-card__badge {
  position: absolute;
  top: 1rem; left: 1rem;
  background: var(--clr-blue);
  color: var(--clr-white);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  padding: .3rem .75rem;
  border-radius: var(--radius-full);
  letter-spacing: .05em;
}

.product-card__body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  flex: 1;
}
.product-card__icon {
  width: 48px; height: 48px;
  background: rgba(74,144,217,.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-blue);
}
.product-card__icon svg { width: 22px; height: 22px; }

.product-card__body h3 {
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--clr-text);
}
.product-card__body p {
  font-size: var(--fs-sm);
  color: var(--clr-text-2);
  line-height: 1.7;
}
.product-card__features {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-top: .25rem;
  flex: 1;
}
.product-card__features li {
  font-size: var(--fs-sm);
  color: var(--clr-text-2);
  padding-left: 1.25rem;
  position: relative;
}
.product-card__features li::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--clr-blue);
}

/* ═══════════════════════════════════════════
   WHY US
═══════════════════════════════════════════ */
.why {
  background: var(--clr-light);
}
.why__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.why-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  border: 1px solid var(--clr-border);
  transition: var(--transition);
}
.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(74,144,217,.2);
}
.why-card__icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(74,144,217,.15), rgba(74,144,217,.05));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-blue);
  margin-bottom: 1.25rem;
}
.why-card__icon svg { width: 26px; height: 26px; }
.why-card h3 {
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--clr-text);
  margin-bottom: .5rem;
}
.why-card p {
  font-size: var(--fs-sm);
  color: var(--clr-text-2);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   GALLERY
═══════════════════════════════════════════ */
.gallery { background: var(--clr-white); }

.gallery--products {
  background: var(--clr-light);
}

.gallery__filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .5rem;
  margin-bottom: 2rem;
}
.gallery__filter {
  font-family: inherit;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text-muted);
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-full);
  padding: .5rem 1.125rem;
  cursor: pointer;
  transition: var(--transition);
}
.gallery__filter:hover {
  border-color: var(--clr-blue);
  color: var(--clr-blue);
}
.gallery__filter.active {
  background: var(--clr-blue);
  border-color: var(--clr-blue);
  color: var(--clr-white);
}
.gallery__grid.is-loading {
  min-height: 120px;
  opacity: 0.5;
}
.gallery__empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--clr-text-2);
  padding: 2rem 1rem;
}
.gallery__item.is-hidden {
  display: none;
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.gallery__item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  min-height: 160px;
  cursor: pointer;
  background: var(--clr-light);
}
@supports not (aspect-ratio: 4 / 3) {
  .gallery__item::before {
    content: '';
    display: block;
    padding-top: 75%;
  }
}
.gallery__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.gallery__item:hover img {
  transform: scale(1.08);
}
.gallery__overlay {
  position: absolute;
  inset: 0;
  background: rgba(30,35,48,.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery__item:hover .gallery__overlay { opacity: 1; }
.gallery__overlay span {
  color: var(--clr-white);
  font-weight: var(--fw-semi);
  font-size: var(--fs-sm);
  border: 1px solid rgba(255,255,255,.6);
  padding: .5rem 1.25rem;
  border-radius: var(--radius-full);
}

.gallery__item--compare {
  cursor: default;
}
.gallery__item--compare:hover img {
  transform: none;
}

/* ── Before / After compare slider ── */
.compare {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  touch-action: pan-y pinch-zoom;
  user-select: none;
  -webkit-user-select: none;
  background: var(--clr-light);
}
.compare--lightbox {
  width: min(90vw, 1100px);
  height: min(75vh, 720px);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
}
.compare__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  -webkit-user-drag: none;
}
.compare__img--after {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.compare__before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 50%;
  overflow: hidden;
  z-index: 1;
}
.compare__img--before {
  position: absolute;
  top: 0;
  left: 0;
  max-width: none;
  object-fit: cover;
}
.compare__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  z-index: 3;
  cursor: col-resize;
}
.compare__handle-line {
  position: absolute;
  inset: 0;
  background: var(--clr-white);
  box-shadow: 0 0 0 1px rgba(0,0,0,.25);
}
.compare__handle-knob {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--clr-white);
  border: 2px solid var(--clr-primary);
  box-shadow: var(--shadow-md);
}
.compare__handle-knob::before,
.compare__handle-knob::after {
  content: '';
  position: absolute;
  top: 50%;
  border: 5px solid transparent;
}
.compare__handle-knob::before {
  left: .45rem;
  transform: translateY(-50%);
  border-right-color: var(--clr-primary);
}
.compare__handle-knob::after {
  right: .45rem;
  transform: translateY(-50%);
  border-left-color: var(--clr-primary);
}
.compare__label {
  position: absolute;
  top: .65rem;
  z-index: 4;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  color: var(--clr-white);
  background: rgba(30,35,48,.72);
  padding: .25rem .65rem;
  border-radius: var(--radius-full);
  pointer-events: none;
}
.compare__label--pred { left: .65rem; }
.compare__label--po { right: .65rem; }
.compare__hint {
  position: absolute;
  bottom: .65rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  font-size: var(--fs-xs);
  color: var(--clr-white);
  background: rgba(30,35,48,.55);
  padding: .2rem .6rem;
  border-radius: var(--radius-full);
  pointer-events: none;
  opacity: .9;
}
.compare__expand {
  position: absolute;
  right: .65rem;
  bottom: .65rem;
  z-index: 5;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: rgba(255,255,255,.92);
  color: var(--clr-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: background var(--transition), transform var(--transition);
}
.compare__expand svg {
  width: 1rem;
  height: 1rem;
}
.compare__expand:hover {
  background: var(--clr-white);
  transform: scale(1.05);
}
.compare--lightbox .compare__hint,
.compare--lightbox .compare__expand {
  display: none;
}

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

/* ── Lightbox ── */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10,12,20,.95);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.lightbox.active {
  opacity: 1;
  pointer-events: all;
  flex-direction: column;
}
.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  transform: scale(.9);
  transition: transform .35s ease;
}
.lightbox.active img { transform: scale(1); }
.lightbox__close {
  position: absolute;
  top: 1.5rem; right: 2rem;
  font-size: 2.5rem;
  color: rgba(255,255,255,.7);
  line-height: 1;
  transition: color var(--transition);
  z-index: 1;
}
.lightbox__close:hover { color: var(--clr-white); }

/* ═══════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════ */
.contact { background: var(--clr-light); }

.contact__wrapper {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 3rem;
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}
.contact__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.contact__icon {
  width: 48px; height: 48px;
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-blue);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.contact__icon svg { width: 20px; height: 20px; }
.contact__item div {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}
.contact__item strong {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--clr-text-2);
}
.contact__item a,
.contact__item span {
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  color: var(--clr-text);
  transition: color var(--transition);
}
.contact__item a:hover { color: var(--clr-blue); }

/* Form */
.contact__form {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form__group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.form__group label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text);
}
.form__group input,
.form__group select,
.form__group textarea {
  width: 100%;
  padding: .75rem 1rem;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  color: var(--clr-text);
  background: var(--clr-light);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  border-color: var(--clr-blue);
  box-shadow: 0 0 0 3px rgba(74,144,217,.15);
  background: var(--clr-white);
}
.form__group input.error,
.form__group select.error,
.form__group textarea.error {
  border-color: #e53e3e;
}
.form__group textarea { resize: vertical; min-height: 110px; }
.form__group select { appearance: none; cursor: pointer; }

.form__group--checkbox {
  gap: .5rem;
}
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  cursor: pointer;
  font-size: var(--fs-sm);
  color: var(--clr-text-2);
  line-height: 1.5;
}
.checkbox-label input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--clr-blue);
  flex-shrink: 0;
  margin-top: .1rem;
  cursor: pointer;
}

.form__error {
  font-size: var(--fs-xs);
  color: #e53e3e;
  min-height: 1rem;
}

.form__success {
  background: rgba(40,167,69,.1);
  border: 1px solid rgba(40,167,69,.3);
  border-radius: var(--radius-md);
  padding: 1rem;
  color: var(--clr-success);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  text-align: center;
}

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
.footer {
  background: var(--clr-dark);
  color: rgba(255,255,255,.7);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  padding-block: 3rem;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.footer__brand img {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  opacity: .9;
}
.footer__brand div {
  display: flex;
  flex-direction: column;
  gap: .15rem;
}
.footer__brand strong {
  color: var(--clr-white);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.footer__brand span {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,.45);
}

.footer__nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer__nav a {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}
.footer__nav a:hover { color: var(--clr-white); }

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  text-align: right;
}
.footer__contact a {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,.7);
  transition: color var(--transition);
}
.footer__contact a:hover { color: var(--clr-blue); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-block: 1.25rem;
}
.footer__bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
}
.footer__bottom span {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,.35);
}

/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (max-width: 900px) {
  .contact__wrapper {
    grid-template-columns: 1fr;
  }
  .footer__contact {
    text-align: left;
  }
}

@media (max-width: 768px) {
  .navbar__nav {
    position: fixed;
    top: var(--navbar-h);
    left: 0; right: 0;
    background: rgba(20,24,36,.98);
    backdrop-filter: blur(16px);
    padding: 1.5rem;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    border-top: 1px solid rgba(255,255,255,.08);
  }
  .navbar__nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .navbar__nav ul {
    flex-direction: column;
    gap: 0;
  }
  .navbar__nav a {
    display: block;
    padding: 1rem 0;
    font-size: var(--fs-md);
    border-bottom: 1px solid rgba(255,255,255,.07);
  }
  .hamburger { display: flex; }
  .navbar__actions .btn--sm { display: none; }

  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .form__row {
    grid-template-columns: 1fr;
  }
  .footer__inner {
    flex-direction: column;
    gap: 1.5rem;
  }
  .footer__contact { text-align: left; }
  .footer__bottom .container {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .gallery__grid {
    grid-template-columns: 1fr;
  }
  .hero__cta {
    flex-direction: column;
  }
  .hero__cta .btn {
    width: 100%;
    justify-content: center;
  }
  .products__grid {
    grid-template-columns: 1fr;
  }
  .contact__form {
    padding: 1.5rem;
  }
}

/* ═══════════════════════════════════════════
   REVIEWS
═══════════════════════════════════════════ */
.reviews {
  background: var(--clr-dark);
}
.reviews .section__header { margin-bottom: 1.5rem; }

.reviews__summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
  margin-bottom: 2.5rem;
}
.reviews__score {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.reviews__percent {
  font-size: var(--fs-3xl);
  font-weight: var(--fw-black);
  color: var(--clr-white);
  line-height: 1;
}
.stars {
  display: flex;
  gap: 2px;
  font-size: 1.4rem;
  color: #f5b942;
  line-height: 1;
}
.stars .half {
  background: linear-gradient(to right, #f5b942 50%, rgba(255,255,255,.2) 50%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.reviews__count {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,.55);
  white-space: nowrap;
}
.reviews__badge {
  background: var(--clr-blue);
  color: var(--clr-white);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: .12em;
  padding: .4rem 1rem;
  border-radius: var(--radius-full);
}

.reviews__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.review-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: var(--transition);
}
.review-card:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(74,144,217,.4);
  transform: translateY(-4px);
}
.review-card__stars {
  font-size: 1.1rem;
  color: #f5b942;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.review-card__stars span {
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: rgba(255,255,255,.6);
}
.review-card__text {
  font-size: var(--fs-md);
  color: rgba(255,255,255,.85);
  line-height: 1.7;
  font-style: italic;
  flex: 1;
}
.review-card__author {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.review-card__avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--clr-blue);
  color: var(--clr-white);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.review-card__author strong {
  display: block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  color: var(--clr-white);
}
.review-card__author span {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,.45);
}
.review-card__source {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: .75rem;
  opacity: .5;
  filter: brightness(10);
}

.reviews__cta {
  text-align: center;
}

/* ── Contact map ── */
.contact__map {
  margin-top: 1rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-sm);
}
.contact__map iframe {
  display: block;
  width: 100%;
  height: 240px;
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2px solid var(--clr-blue);
  outline-offset: 3px;
  border-radius: 4px;
}