/* ============================================
   ALPHAMEDIX — Premium Medical Product Website
   Alpine Frost + Red Brand Palette
   Font: Plus Jakarta Sans + Source Serif 4
   ============================================ */

:root {
  --red:        #C8102E;
  --red-light:  #E8314F;
  --red-dark:   #9B0C22;
  --blue:       #1A3A6B;
  --blue-mid:   #2E5090;
  --blue-light: #A8C4E0;
  --frost:      #E3EDF7;
  --frost-deep: #C5D8EE;
  --white:      #FFFFFF;
  --off-white:  #F7FAFD;
  --ink:        #0A1929;
  --ink-mid:    #1E3A52;
  --ink-light:  #4A6680;
  --ink-muted:  #7A96B0;
  --border:     rgba(30, 58, 82, 0.12);
  --shadow-sm:  0 2px 12px rgba(10, 25, 41, 0.08);
  --shadow-md:  0 8px 32px rgba(10, 25, 41, 0.12);
  --shadow-lg:  0 24px 64px rgba(10, 25, 41, 0.16);
  --radius:     12px;
  --radius-lg:  20px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: var(--white);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── TYPOGRAPHY ── */
.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1rem;
}
.section-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 1.5rem;
}
.section-title em {
  font-style: normal;
  color: var(--red);
  font-family: 'Source Serif 4', serif;
  font-weight: 300;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--ink-light);
  max-width: 560px;
  margin-bottom: 3rem;
  line-height: 1.7;
}
.text-center { text-align: center; }
.text-center.section-sub { margin-left: auto; margin-right: auto; }

/* ── CONTAINER ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--red);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(200, 16, 46, 0.3);
}
.btn--primary:hover {
  background: var(--red-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(200, 16, 46, 0.4);
}
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--border);
}
.btn--ghost:hover {
  border-color: var(--ink);
  background: var(--frost);
}
.btn--nav {
  background: var(--red);
  color: var(--white);
  padding: 0.6rem 1.4rem;
  font-size: 0.82rem;
  box-shadow: 0 2px 12px rgba(200, 16, 46, 0.25);
}
.btn--nav:hover { background: var(--red-light); transform: translateY(-1px); }
.btn--white {
  background: var(--white);
  color: var(--red);
  font-weight: 700;
}
.btn--white:hover { background: var(--frost); transform: translateY(-2px); }
.btn--outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
}
.btn--outline-white:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }
.btn--full { width: 100%; justify-content: center; }

/* ── REVEAL ANIMATION ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  padding: 0.8rem 0;
}
.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--ink);
  flex-shrink: 0;
}
.nav__logo-mark {
  color: var(--red);
  font-size: 0.9rem;
  line-height: 1;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-left: auto;
}
.nav__links a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-light);
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--red); }
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: var(--transition);
}
.nav__mobile {
  display: none;
  background: var(--white);
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--border);
}
.nav__mobile ul { display: flex; flex-direction: column; gap: 1rem; }
.nav__mobile a { font-weight: 600; color: var(--ink); font-size: 1rem; }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-mid) 50%, var(--blue) 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 8rem 2rem 4rem;
}
.hero__canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.4;
}
.hero > .container,
.hero > * { position: relative; z-index: 1; }
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}
.hero__content { padding: 8rem 0 4rem 2rem; }
.hero__visual { padding: 8rem 2rem 4rem 0; }
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.85);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}
.badge-dot {
  width: 6px; height: 6px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
.hero__title {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.0;
  color: var(--white);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}
.hero__title em {
  font-style: italic;
  font-family: 'Source Serif 4', serif;
  font-weight: 300;
  color: var(--frost-deep);
}
.hero__sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  max-width: 480px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}
.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}
.hero__stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.stat { text-align: left; }
.stat__num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.stat__unit {
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
}
.stat__label {
  display: block;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}
.stat__divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.2);
}
.hero__glow {
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(200,16,46,0.25) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.hero__box-wrap {
  position: relative;
  display: inline-block;
}
.hero__box-shadow {
  position: absolute;
  bottom: -30px; left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 60px;
  background: radial-gradient(ellipse, rgba(0,0,0,0.4) 0%, transparent 70%);
  filter: blur(20px);
}
.hero__img {
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
  object-fit: cover;
  aspect-ratio: 4/3;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.hero__box-badge {
  position: absolute;
  bottom: 20px; left: -20px;
  background: var(--white);
  color: var(--ink);
  padding: 0.6rem 1rem;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: var(--shadow-md);
}
.hero__box-badge svg { color: #22c55e; }
.hero__scroll {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.4);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 2;
}
.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ── MARQUEE ── */
.marquee-strip {
  background: var(--red);
  padding: 0.9rem 0;
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex;
  gap: 2rem;
  animation: marquee 30s linear infinite;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
}
.marquee-dot { color: rgba(255,255,255,0.5); }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ── PRODUCT SECTION ── */
.product {
  padding: 7rem 0;
  background: var(--white);
}
.product__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.product__visual { position: relative; }
.product__img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.product__img-wrap img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.product__img-wrap:hover img { transform: scale(1.04); }
.product__img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,25,41,0.5) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}
.product__img-tag {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.2);
}
.product__secondary-img {
  position: absolute;
  bottom: -30px; right: -30px;
  width: 200px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 4px solid var(--white);
}
.product__secondary-img img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}
.product__desc {
  font-size: 1.05rem;
  color: var(--ink-light);
  line-height: 1.75;
  margin-bottom: 2rem;
}
.product__highlights { display: flex; flex-direction: column; gap: 1.5rem; margin-bottom: 2.5rem; }
.highlight {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.highlight__icon {
  width: 44px; height: 44px;
  background: var(--frost);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--red);
  flex-shrink: 0;
}
.highlight strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.25rem;
}
.highlight p {
  font-size: 0.88rem;
  color: var(--ink-light);
  line-height: 1.6;
}

/* ── FEATURES ── */
.features {
  padding: 7rem 0;
  background: var(--off-white);
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-card__num {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  margin-bottom: 1rem;
}
.feature-card__icon {
  width: 52px; height: 52px;
  background: var(--frost);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-mid);
  margin-bottom: 1.25rem;
  transition: var(--transition);
}
.feature-card:hover .feature-card__icon {
  background: var(--red);
  color: var(--white);
}
.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.6rem;
}
.feature-card p {
  font-size: 0.88rem;
  color: var(--ink-light);
  line-height: 1.65;
}

/* ── SPECS ── */
.specs {
  padding: 7rem 0;
  background: var(--white);
}
.specs__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}
.specs__left p {
  color: var(--ink-light);
  line-height: 1.7;
  margin-bottom: 2rem;
}
.specs__sizes {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.size-tag {
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 700;
  border: 2px solid var(--border);
  color: var(--ink-light);
  cursor: pointer;
  transition: var(--transition);
}
.size-tag.active, .size-tag:hover {
  border-color: var(--red);
  color: var(--red);
  background: rgba(200,16,46,0.05);
}
.specs__table-wrap {
  background: var(--off-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.specs__table { width: 100%; border-collapse: collapse; }
.specs__table tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}
.specs__table tr:last-child { border-bottom: none; }
.specs__table tr:hover { background: var(--frost); }
.spec-key {
  padding: 0.9rem 1.5rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink-light);
  width: 45%;
  letter-spacing: 0.02em;
}
.spec-val {
  padding: 0.9rem 1.5rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink);
}

/* ── CERTIFICATIONS ── */
.certs {
  padding: 7rem 0;
  background: var(--off-white);
}
.certs__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}
.cert-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.cert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.cert-card__icon {
  width: 64px; height: 64px;
  background: var(--frost);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-mid);
  margin: 0 auto 1.25rem;
  transition: var(--transition);
}
.cert-card:hover .cert-card__icon {
  background: var(--blue-mid);
  color: var(--white);
}
.cert-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 0.6rem;
}
.cert-card p {
  font-size: 0.83rem;
  color: var(--ink-light);
  line-height: 1.6;
}

/* ── TESTIMONIALS ── */
.testimonials {
  padding: 7rem 0;
  background: var(--ink);
}
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}
.testimonial-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
}
.testimonial-card:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-4px);
}
.testimonial-card__stars {
  color: #f59e0b;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.testimonial-card p {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.75;
  font-style: italic;
  font-family: 'Source Serif 4', serif;
  margin-bottom: 1.5rem;
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.author-avatar {
  width: 40px; height: 40px;
  background: var(--red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--white);
  flex-shrink: 0;
}
.testimonial-card__author strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--white);
}
.testimonial-card__author span {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
}

/* ── CTA BANNER ── */
.cta-banner {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--red-dark) 0%, var(--red) 50%, var(--red-light) 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-banner__bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.08) 0%, transparent 50%),
                    radial-gradient(circle at 80% 50%, rgba(255,255,255,0.06) 0%, transparent 50%);
}
.cta-banner__inner { position: relative; z-index: 1; }
.cta-banner h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 1rem;
  line-height: 1.1;
}
.cta-banner h2 em {
  font-style: italic;
  font-family: 'Source Serif 4', serif;
  font-weight: 300;
}
.cta-banner p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.8);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}
.cta-banner__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── CONTACT ── */
.contact {
  padding: 7rem 0;
  background: var(--white);
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}
.contact__info p {
  color: var(--ink-light);
  line-height: 1.7;
  margin-bottom: 2rem;
}
.contact__details { display: flex; flex-direction: column; gap: 1rem; }
.contact__detail {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--ink-light);
}
.contact__detail svg { color: var(--red); flex-shrink: 0; margin-top: 2px; }
.contact__form-wrap {
  background: var(--off-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid var(--border);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.form-group label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--ink);
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(200,16,46,0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--ink-muted); }
.form-success {
  display: none;
  align-items: center;
  gap: 0.5rem;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.3);
  color: #16a34a;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 600;
  margin-top: 1rem;
}
.form-success.show { display: flex; }

/* ── FOOTER ── */
.footer {
  background: var(--ink);
  color: rgba(255,255,255,0.6);
  padding: 4rem 0 2rem;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 2rem;
}
.footer__brand .nav__logo { color: var(--white); margin-bottom: 1rem; }
.footer__brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 280px;
}
.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.footer__col h4 {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1rem;
}
.footer__col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer__col a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
}
.footer__col a:hover { color: var(--white); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer__legal { display: flex; gap: 1.5rem; }
.footer__legal a { color: rgba(255,255,255,0.4); transition: color 0.2s; }
.footer__legal a:hover { color: rgba(255,255,255,0.8); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 7rem 2rem 4rem;
  }
  .hero__content { padding: 0; }
  .hero__visual { padding: 0; display: flex; justify-content: center; }
  .hero__sub { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__stats { justify-content: center; }
  .product__grid { grid-template-columns: 1fr; gap: 3rem; }
  .product__secondary-img { display: none; }
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .certs__grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials__grid { grid-template-columns: 1fr; }
  .specs__inner { grid-template-columns: 1fr; gap: 3rem; }
  .contact__grid { grid-template-columns: 1fr; gap: 3rem; }
  .footer__top { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  .nav__links, .btn--nav { display: none; }
  .nav__burger { display: flex; }
  .nav__mobile.open { display: block; }
  .features__grid { grid-template-columns: 1fr; }
  .certs__grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer__links { grid-template-columns: 1fr 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .hero__title { font-size: 2.8rem; }
  .hero__stats { flex-wrap: wrap; gap: 1.5rem; }
  .stat__divider { display: none; }
}

@media (max-width: 480px) {
  .certs__grid { grid-template-columns: 1fr; }
  .footer__links { grid-template-columns: 1fr; }
  .hero__title { font-size: 2.2rem; }
  .container { padding: 0 1.25rem; }
}