:root {
  --crimson: #8b1a2e;
  --crimson-light: #b5253f;
  --crimson-pale: rgba(139,26,46,0.07);
  --ink: #18171a;
  --stone: #5a5a5a;
  --parchment: #faf6f0;
  --cream: #f4ede2;
  --white: #fff;
  --border: rgba(0,0,0,0.07);
  --ff-serif: 'Playfair Display', Georgia, serif;
  --ff-sans: 'Inter', system-ui, sans-serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--ff-sans);
  background: var(--parchment);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-thumb { background: var(--crimson); border-radius: 0; }

/* ── NAV ── */
nav {
  position: sticky; top: 0; z-index: 500;
  background: rgba(250,246,240,0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  padding: 1.1rem 3.5rem;
  display: flex; justify-content: space-between; align-items: center;
}
.logo {
  font-family: var(--ff-serif);
  font-size: 28px; font-weight: 700; font-style: italic;
  color: var(--crimson); letter-spacing: 0.3px; cursor: pointer;
}
.logo b { font-style: normal; color: var(--ink); }
.logo-img { height: 40px; width: auto; vertical-align: middle; display: inline-block; margin-right: 0.5rem; }
.nav-links { display: flex; gap: 2.8rem; list-style: none; align-items: center; }
.nav-links a {
  text-decoration: none; color: var(--stone);
  font-size: 11.5px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 1.4px;
  transition: color .25s; cursor: pointer;
}
.nav-links a:hover { color: var(--crimson); }
.nav-links a.nav-active { color: var(--crimson); font-weight: 700; }
.btn-nav {
  background: var(--crimson); color: var(--white);
  padding: .55rem 1.5rem; border: none;
  font-family: var(--ff-sans); font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1.2px; cursor: pointer;
  transition: background .25s;
}
.btn-nav:hover { background: #6e1324; }

/* ── ANNOUNCEMENT BAR ── */
.announcement {
  background: var(--crimson); color: rgba(255,255,255,.88);
  text-align: center; padding: .55rem 1rem;
  font-size: 11.5px; font-weight: 500; letter-spacing: .8px;
}

/* ── HERO ── */
.hero {
  min-height: calc(100vh - 52px);
  background: linear-gradient(150deg, #fff8f2 0%, var(--parchment) 55%, var(--cream) 100%);
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 0; overflow: hidden;
}
.hero-left {
  padding: 5rem 3.5rem 5rem 4rem;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: 10.5px; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; color: var(--crimson);
  margin-bottom: 1.8rem;
}
.hero-eyebrow::before {
  content: ''; display: block;
  width: 28px; height: 1.5px; background: var(--crimson);
}
.hero h1 {
  font-family: var(--ff-serif);
  font-size: 66px; line-height: 1.06; font-weight: 700;
  letter-spacing: -.5px; color: var(--ink); margin-bottom: 1.8rem;
}
.hero h1 em { color: var(--crimson); font-style: italic; }
.hero-desc {
  font-size: 16.5px; color: var(--stone); font-weight: 300;
  line-height: 1.78; max-width: 460px; margin-bottom: 2.8rem;
}
.hero-cta { display: flex; gap: 1.1rem; flex-wrap: wrap; margin-bottom: 3.5rem; }
.btn-primary {
  background: var(--crimson); color: var(--white);
  padding: .95rem 2.3rem; border: none;
  font-family: var(--ff-sans); font-size: 11.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1.3px; cursor: pointer;
  transition: all .25s;
}
.btn-primary:hover { background: #6e1324; transform: translateY(-2px); }
.btn-ghost {
  background: transparent; color: var(--ink);
  padding: .95rem 2.3rem; border: 1.5px solid rgba(0,0,0,.2);
  font-family: var(--ff-sans); font-size: 11.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1.3px; cursor: pointer;
  transition: all .25s;
}
.btn-ghost:hover { border-color: var(--crimson); color: var(--crimson); }
.hero-trust {
  display: flex; gap: 2rem; flex-wrap: wrap;
  font-size: 12px; color: #999;
}
.hero-trust span { display: flex; align-items: center; gap: .5rem; }
.hero-trust span::before {
  content: ''; width: 5px; height: 5px;
  border-radius: 50%; background: var(--crimson); display: block; flex-shrink: 0;
}

.hero-right {
  align-self: stretch;
  background: var(--cream);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  padding: 4rem 3rem;
  position: relative; overflow: hidden;
}
.hero-right::before {
  content: 'Luz de Dedicación';
  font-family: var(--ff-serif); font-size: 160px; font-weight: 700;
  color: rgba(139,26,46,.04); position: absolute;
  bottom: -20px; right: -20px; white-space: nowrap; pointer-events: none;
  line-height: 1;
}
.featured-card {
  background: var(--white); width: 100%; max-width: 320px;
  padding: 2.2rem 2rem; position: relative;
  box-shadow: 0 24px 60px rgba(0,0,0,.1), 0 0 0 1px var(--border);
}
.featured-card::after {
  content: ''; position: absolute;
  top: 0; left: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--crimson), var(--crimson-light));
}
.card-badge {
  position: absolute; top: -14px; right: 1.5rem;
  background: var(--crimson); color: var(--white);
  font-size: 9.5px; font-weight: 700; letter-spacing: 1.2px;
  text-transform: uppercase; padding: .35rem .85rem;
}
.card-season {
  font-size: 9.5px; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; color: var(--crimson); margin-bottom: 1rem;
}
.card-name {
  font-family: var(--ff-serif);
  font-size: 30px; font-weight: 700; color: var(--ink); margin-bottom: .5rem;
}
.card-variety {
  font-size: 12px; color: #aaa; margin-bottom: 1.2rem; font-style: italic;
}
.card-desc {
  font-size: 13.5px; color: var(--stone); line-height: 1.7; margin-bottom: 1.5rem;
}
.card-includes {
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 1rem 0; margin-bottom: 1.5rem; display: flex; flex-direction: column; gap: .5rem;
}
.card-includes span {
  font-size: 12px; color: var(--stone); display: flex; align-items: center; gap: .5rem;
}
.card-includes span::before {
  content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--crimson-light); flex-shrink: 0;
}
.card-price {
  font-family: var(--ff-serif);
  font-size: 34px; font-weight: 700; color: var(--crimson); margin-bottom: 1.4rem;
}
.card-price sub { font-size: 14px; font-weight: 400; color: #aaa; vertical-align: middle; margin-left: .3rem; }
.card-cta {
  width: 100%; background: var(--ink); color: var(--white);
  padding: .8rem; border: none;
  font-family: var(--ff-sans); font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1.2px; cursor: pointer; transition: background .2s;
}
.card-cta:hover { background: var(--crimson); }

/* ── STRIP ── */
.strip {
  background: var(--ink); color: rgba(255,255,255,.6);
  display: flex; justify-content: center; gap: 4rem; flex-wrap: wrap;
  padding: 1.1rem 2rem; font-size: 11.5px; font-weight: 500; letter-spacing: 1px;
}
.strip span { text-transform: uppercase; }
.strip span b { color: rgba(255,255,255,.85); font-weight: 600; }

/* ── SECTIONS ── */
.section { padding: 6rem 4rem; max-width: 1280px; margin: 0 auto; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: 10.5px; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; color: var(--crimson); margin-bottom: 1rem;
}
.eyebrow::before {
  content: ''; display: block; width: 22px; height: 1.5px; background: var(--crimson);
}
.section-title {
  font-family: var(--ff-serif);
  font-size: 50px; font-weight: 700; line-height: 1.08;
  letter-spacing: -.3px; margin-bottom: 1rem;
}
.section-sub {
  color: var(--stone); font-size: 15.5px; font-weight: 300;
  line-height: 1.75; max-width: 540px;
}

/* ── PRODUCTS ── */
.products-header { margin-bottom: 4rem; display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 2rem; }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

.prod-card {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 2rem 1.8rem;
  cursor: pointer; position: relative; overflow: hidden;
  transition: all .3s;
  min-height: 460px;
  display: flex;
  flex-direction: column;
}

.prod-card-image-container {
  position: relative;
  margin: 1rem 0 1.5rem 0;
}

.prod-card-image-container img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
}

.prod-card-creator {
  position: absolute;
  bottom: 8px;
  left: 8px;
  color: var(--crimson);
  padding: 0.4rem 0.8rem;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  font-family: var(--ff-serif);
  font-style: italic;
  text-decoration: underline;
}
.prod-card::before {
  content: ''; position: absolute;
  bottom: 0; left: 0; width: 0; height: 2px;
  background: var(--crimson); transition: width .35s;
}
.prod-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(0,0,0,.08); }
.prod-card:hover::before { width: 100%; }
.prod-card-tag {
  display: inline-block; font-size: 9.5px; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--crimson);
  margin-bottom: 1.5rem;
}

.prod-card h3 {
  font-family: var(--ff-serif); font-size: 26px; font-weight: 700;
  margin-bottom: .5rem;
}
.prod-card .sub-name { font-size: 12px; color: #bbb; font-style: italic; margin-bottom: 1rem; }
.prod-card p { font-size: 13.5px; color: var(--stone); line-height: 1.68; margin-bottom: 1.2rem; }
.prod-what {
  font-size: 12px; color: #aaa; border-top: 1px solid var(--border);
  padding-top: 1rem; margin-bottom: 1.4rem; display: flex; flex-direction: column; gap: .4rem;
}
.prod-what span { display: flex; align-items: center; gap: .5rem; }
.prod-what span::before {
  content: ''; width: 4px; height: 4px; border-radius: 50%; background: rgba(139,26,46,.4); flex-shrink: 0;
}
.prod-price {
  font-family: var(--ff-serif); font-size: 30px; font-weight: 700;
  color: var(--crimson); margin-bottom: 1.4rem;
}
.prod-btn {
  width: 100%; background: var(--ink); color: var(--white); padding: .75rem; border: none;
  font-family: var(--ff-sans); font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1.2px; cursor: pointer; transition: background .2s;
}
.prod-btn:hover { background: var(--crimson); }

/* ── BENEFITS BAR ── */
.benefits-bar {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border); background: var(--white); margin-top: 4rem;
}
.ben {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--border);
}
.ben:last-child { border-right: none; }
.ben-num {
  font-family: var(--ff-serif); font-size: 42px; font-weight: 700;
  color: var(--crimson-pale); line-height: 1; margin-bottom: .8rem;
  color: rgba(139,26,46,.15);
}
.ben h4 { font-size: 14px; font-weight: 600; margin-bottom: .5rem; }
.ben p { font-size: 13px; color: var(--stone); line-height: 1.6; }

/* ── HOW IT WORKS ── */
.how-section { background: var(--cream); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; margin-top: 4rem; }
.step { position: relative; }
.step-num {
  font-family: var(--ff-serif); font-size: 64px; font-weight: 700;
  color: rgba(139,26,46,.12); line-height: 1; margin-bottom: .5rem;
}
.step h4 { font-size: 15px; font-weight: 600; margin-bottom: .6rem; }
.step p { font-size: 13.5px; color: var(--stone); line-height: 1.65; }
.step-line {
  position: absolute; top: 30px; right: -1rem;
  width: calc(100% - 1.5rem); height: 1px;
  background: linear-gradient(90deg, var(--crimson), transparent);
  opacity: .15;
}
.step:last-child .step-line { display: none; }

/* ── CARTA ── */
.carta-section { background: var(--parchment); }
.carta-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 5rem; align-items: start; margin-top: 4rem; }
.carta-info h3 {
  font-family: var(--ff-serif); font-size: 44px; font-weight: 700;
  line-height: 1.1; margin-bottom: 1.5rem;
}
.carta-info h3 em { font-style: italic; color: var(--crimson); }
.carta-info p { font-size: 15px; color: var(--stone); line-height: 1.78; margin-bottom: 1.5rem; }
.carta-detail { display: flex; gap: .9rem; align-items: flex-start; margin-bottom: 1rem; }
.dot { width: 5px; height: 5px; border-radius: 50%; background: var(--crimson); margin-top: .55rem; flex-shrink: 0; }
.carta-detail p { font-size: 14px; color: var(--stone); margin: 0; line-height: 1.6; }
.carta-editor {
  background: var(--white); border: 1px solid var(--border);
  overflow: hidden; box-shadow: 0 4px 30px rgba(0,0,0,.06);
}
.editor-bar {
  background: var(--ink); padding: .9rem 1.5rem;
  display: flex; align-items: center; gap: .5rem;
}
.editor-bar .dot-row { display: flex; gap: .4rem; }
.editor-bar .dot-row span { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.15); }
.editor-bar .label { font-size: 11px; color: rgba(255,255,255,.4); margin-left: auto; letter-spacing: .5px; }
.editor-body { padding: 1.5rem; border-bottom: 1px solid var(--border); }
.editor-body textarea {
  width: 100%; border: none; outline: none;
  font-family: var(--ff-serif); font-size: 16px; font-style: italic;
  line-height: 1.85; color: #333; background: transparent;
  resize: vertical; min-height: 200px;
  placeholder-color: #ccc;
}
.editor-footer { padding: 1.2rem 1.5rem; display: flex; gap: .8rem; background: #fafafa; }
#cartaPreview {
  display: none; margin: 1.5rem; padding: 1.5rem;
  background: var(--parchment); border-left: 3px solid var(--crimson);
  font-family: var(--ff-serif); font-style: italic;
  font-size: 15px; color: #555; line-height: 1.8;
}

/* ── DARK FEATURES ── */
.features-section { background: var(--ink); color: var(--white); padding: 6rem 4rem; }
.features-inner { max-width: 1280px; margin: 0 auto; }
.features-section .eyebrow { color: rgba(192,57,43,.8); }
.features-section .section-title { color: var(--white); }
.features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: rgba(255,255,255,.05); margin-top: 4rem; }
.feat {
  background: var(--ink); padding: 2.8rem 2.5rem;
  border: 1px solid rgba(255,255,255,.04); transition: background .3s;
}
.feat:hover { background: rgba(255,255,255,.04); }
.feat-num {
  font-family: var(--ff-serif); font-size: 11px; font-weight: 600;
  letter-spacing: 2px; color: var(--crimson-light); margin-bottom: 1.2rem;
  display: block;
}
.feat h3 { font-size: 18px; font-weight: 600; margin-bottom: .8rem; }
.feat p { font-size: 14px; color: rgba(255,255,255,.45); line-height: 1.72; }

/* ── TESTIMONIALS ── */
.testimonials-section { background: var(--cream); border-top: 1px solid var(--border); }
.test-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 4rem; }
.test-card {
  background: var(--white); border: 1px solid var(--border); padding: 2.2rem 2rem;
}
.test-stars { color: var(--crimson); font-size: 12px; letter-spacing: 2px; margin-bottom: 1.2rem; }
.test-text { font-family: var(--ff-serif); font-style: italic; font-size: 17px; line-height: 1.65; color: var(--ink); margin-bottom: 1.5rem; }
.test-author { font-size: 12px; color: #aaa; text-transform: uppercase; letter-spacing: 1px; }
.test-author b { color: var(--stone); font-weight: 600; }

/* ── CTA ── */
.cta-block {
  background: linear-gradient(145deg, var(--crimson) 0%, #a01f35 100%);
  color: var(--white); padding: 7rem 4rem; text-align: center;
}
.cta-block .eyebrow { color: rgba(255,255,255,.5); }
.cta-block .eyebrow::before { background: rgba(255,255,255,.3); }
.cta-block h2 {
  font-family: var(--ff-serif); font-size: 58px; font-weight: 700;
  line-height: 1.08; margin-bottom: 1.4rem; letter-spacing: -.3px;
}
.cta-block p { font-size: 16.5px; font-weight: 300; max-width: 440px; margin: 0 auto 2.8rem; opacity: .8; line-height: 1.75; }
.btn-wh {
  background: var(--white); color: var(--crimson);
  padding: 1rem 2.5rem; border: none;
  font-family: var(--ff-sans); font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.2px; cursor: pointer;
  transition: all .25s; display: inline-block;
}
.btn-wh:hover { background: var(--parchment); transform: translateY(-2px); }

/* ── CONTACT ── */
.contact-inner { max-width: 1280px; margin: 0 auto; }
.contact-box {
  background: var(--white); border: 1px solid var(--border);
  display: grid; grid-template-columns: 1fr 1fr; gap: 0; overflow: hidden;
}
.contact-left { padding: 4rem 3.5rem; }
.contact-left h3 { font-family: var(--ff-serif); font-size: 36px; font-weight: 700; margin-bottom: 1.2rem; }
.contact-left p { font-size: 14.5px; color: var(--stone); line-height: 1.72; margin-bottom: 2rem; }
.contact-right { background: var(--parchment); border-left: 1px solid var(--border); padding: 4rem 3rem; display: flex; flex-direction: column; gap: 1.5rem; justify-content: center; }
.contact-item { display: flex; gap: 1.2rem; align-items: flex-start; }
.contact-icon {
  width: 44px; height: 44px; background: var(--crimson-pale);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  font-family: var(--ff-serif); font-size: 13px; font-weight: 700; color: var(--crimson);
}
.contact-item .txt span { display: block; font-size: 10px; text-transform: uppercase; letter-spacing: 1.5px; color: #aaa; font-weight: 600; margin-bottom: .25rem; }
.contact-item .txt p { font-size: 14px; color: var(--stone); margin: 0; }

/* ── FOOTER ── */
footer { background: #111; color: var(--white); padding: 5rem 4rem 2rem; }
.footer-grid { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: 2.5fr 1fr 1fr 1fr; gap: 4rem; margin-bottom: 4rem; }
.footer-brand .flogo { font-family: var(--ff-serif); font-size: 26px; font-weight: 700; font-style: italic; color: var(--crimson-light); display: block; margin-bottom: 1rem; }
.footer-brand p { font-size: 13.5px; color: rgba(255,255,255,.35); line-height: 1.72; max-width: 260px; }
footer h5 { font-size: 10px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,.4); margin-bottom: 1.4rem; }
footer ul { list-style: none; display: flex; flex-direction: column; gap: .65rem; }
footer ul li a, footer ul li span {
  font-size: 13.5px; color: rgba(255,255,255,.3);
  text-decoration: none; cursor: pointer; transition: color .2s;
}
footer ul li a:hover, footer ul li span:hover { color: rgba(255,255,255,.7); }
.footer-bottom {
  max-width: 1280px; margin: 0 auto;
  padding-top: 2rem; border-top: 1px solid rgba(255,255,255,.06);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: rgba(255,255,255,.2);
}

/* ── MODAL ── */
.modal {
  display: none; position: fixed; inset: 0;
  background: rgba(10,8,6,.6); z-index: 800;
  align-items: center; justify-content: center;
  backdrop-filter: blur(5px);
}
.modal.open { display: flex; }
.modal-box {
  background: var(--white); width: 90%; max-width: 540px;
  max-height: 92vh; overflow-y: auto;
  box-shadow: 0 50px 120px rgba(0,0,0,.25);
}
.modal-top {
  background: var(--ink); padding: 2rem 2.2rem;
  display: flex; justify-content: space-between; align-items: flex-start;
}
.modal-top h2 { font-family: var(--ff-serif); font-size: 28px; font-weight: 700; color: var(--white); }
.modal-top p { font-size: 13px; color: rgba(255,255,255,.45); margin-top: .3rem; }
.close-x { background: none; border: none; font-size: 24px; cursor: pointer; color: rgba(255,255,255,.4); line-height: 1; }
.close-x:hover { color: rgba(255,255,255,.8); }
.modal-body { padding: 2.2rem; }
.fgrp { margin-bottom: 1.4rem; }
.fgrp label { display: block; font-size: 10.5px; font-weight: 600; text-transform: uppercase; letter-spacing: 1.2px; color: #666; margin-bottom: .5rem; }
.fgrp input, .fgrp textarea, .fgrp select {
  width: 100%; padding: .75rem .9rem;
  border: 1px solid rgba(0,0,0,.1); background: #fafafa;
  font-family: var(--ff-sans); font-size: 14px; color: var(--ink);
  transition: border-color .2s, box-shadow .2s; outline: none;
}
.fgrp input:focus, .fgrp textarea:focus { border-color: var(--crimson); box-shadow: 0 0 0 3px rgba(139,26,46,.07); background: var(--white); }
.fgrp textarea { resize: vertical; min-height: 100px; }
.fgrp input[readonly] { background: #f0f0f0; color: #aaa; cursor: not-allowed; }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.success-msg {
  background: #eaf7ea; border: 1px solid #b8e0b8; color: #2a6a2a;
  padding: 1rem 1.2rem; font-size: 13.5px; margin-bottom: 1.5rem; display: none;
}
.success-msg.show { display: block; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; }
  .hero-right { display: none; }
  .hero-left { padding: 4rem 2.5rem; }
  .hero h1 { font-size: 46px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-bar { grid-template-columns: repeat(2, 1fr); }
  .ben:nth-child(2) { border-right: none; }
  .ben:nth-child(1), .ben:nth-child(2) { border-bottom: 1px solid var(--border); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .carta-grid { grid-template-columns: 1fr; gap: 3rem; }
  .features-grid { grid-template-columns: 1fr; }
  .test-grid { grid-template-columns: 1fr 1fr; }
  .contact-box { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  nav { padding: 1rem 2rem; }
  .section { padding: 4rem 2rem; }
  .features-section { padding: 4rem 2rem; }
  .cta-block { padding: 5rem 2rem; }
  .cta-block h2 { font-size: 40px; }
}
@media (max-width: 640px) {
  .products-grid { grid-template-columns: 1fr; }
  .test-grid { grid-template-columns: 1fr; }
  .frow { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hero h1 { font-size: 38px; }
  .section-title { font-size: 36px; }
}