/* =====================================================
   ROHR & KANALWERKSTATT — Website Styles
   ===================================================== */

:root {
  /* Brand */
  --green: #94C11F;
  --green-dark: #7BA60E;
  --green-deep: #5A7C0A;
  --green-light: #C5E160;
  --orange: #F39200;
  --orange-dark: #E07F00;
  --orange-deep: #B96800;
  --red: #E73C3E;

  /* Neutrals */
  --ink: #0F1B2D;
  --ink-2: #1F2B40;
  --ink-3: #4A5568;
  --slate: #6B7280;
  --line: #E5E9EE;
  --soft: #F7F8FA;
  --soft-2: #EEF1F4;
  --white: #FFFFFF;

  /* Effects */
  --shadow-sm: 0 2px 8px rgba(15, 27, 45, 0.06);
  --shadow: 0 8px 30px rgba(15, 27, 45, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 27, 45, 0.12);
  --shadow-green: 0 14px 40px rgba(148, 193, 31, 0.32);
  --shadow-orange: 0 14px 40px rgba(243, 146, 0, 0.32);

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  --grad-green: linear-gradient(135deg, #94C11F 0%, #7BA60E 100%);
  --grad-orange: linear-gradient(135deg, #F39200 0%, #E07F00 100%);
  --grad-mixed: linear-gradient(135deg, #94C11F 0%, #F39200 100%);

  /* Typography */
  --ff-display: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --ff-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Layout */
  --container: 1240px;
  --pad: clamp(20px, 4vw, 40px);
}

/* ============ RESET ============ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
  max-width: 100%;
}
body {
  font-family: var(--ff-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  overflow-x: clip;
  max-width: 100%;
  width: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }
a { color: inherit; text-decoration: none; }
input, textarea, select, button { font: inherit; color: inherit; }
ul { list-style: none; }
h1, h2, h3, h4, h5 { font-family: var(--ff-display); font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; color: var(--ink); }

::selection { background: var(--green); color: var(--white); }

/* ============ HELPERS ============ */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--pad); }
.section { padding: clamp(70px, 9vw, 130px) 0; position: relative; }
.section--soft { background: var(--soft); }
.section--dark { background: linear-gradient(180deg, #0F1B2D 0%, #1A2A45 100%); color: rgba(255,255,255,0.86); }
.section--dark h2, .section--dark h3 { color: var(--white); }

.text-grad {
  background: var(--grad-green);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section__head { max-width: 760px; margin: 0 auto clamp(48px, 6vw, 72px); text-align: center; }
.section__head--light * { color: rgba(255,255,255,0.9); }
.section-label {
  display: inline-block;
  font-family: var(--ff-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green-dark);
  margin-bottom: 16px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(148, 193, 31, 0.12);
}
.section-label--light { color: var(--green-light); background: rgba(148, 193, 31, 0.18); }
.section-title { font-size: clamp(30px, 4.6vw, 54px); font-weight: 800; line-height: 1.1; margin-bottom: 18px; }
.section-title--md { font-size: clamp(28px, 3.8vw, 44px); }
.section-sub { font-size: clamp(16px, 1.4vw, 19px); color: var(--ink-3); max-width: 640px; margin: 0 auto; }

.section--dark .section-sub { color: rgba(255,255,255,0.7); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--green-dark);
  background: rgba(148, 193, 31, 0.12);
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.eyebrow__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(148, 193, 31, 0.22);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(148, 193, 31, 0.22); }
  50% { box-shadow: 0 0 0 8px rgba(148, 193, 31, 0.0); }
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 15px;
  border-radius: 999px;
  border: 2px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
}
.btn--lg { padding: 16px 28px; font-size: 16px; }
.btn--primary {
  background: var(--grad-green);
  color: var(--white);
  box-shadow: var(--shadow-green);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 18px 50px rgba(148, 193, 31, 0.45); }
.btn--ghost {
  background: rgba(15,27,45,0.05);
  color: var(--ink);
}
.btn--ghost:hover { background: rgba(15,27,45,0.1); }
.btn--outline-light {
  border-color: rgba(255,255,255,0.4);
  color: var(--white);
}
.btn--outline-light:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.7); }

/* ============ NAVIGATION ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
  padding: 14px 0;
  background: rgba(255,255,255,0.0);
}
.nav.scrolled {
  background: rgba(255,255,255,0.94);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 4px 24px rgba(15,27,45,0.08);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__logo img { height: 42px; width: auto; }
.nav__menu { display: flex; gap: 4px; }
.nav__menu a {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 15px;
  color: var(--ink);
  padding: 10px 14px;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease;
  position: relative;
}
.nav__menu a:hover { color: var(--green-dark); background: rgba(148, 193, 31, 0.1); }
.nav__cta { padding: 11px 20px; font-size: 14px; }
.nav__burger {
  display: none;
  width: 42px; height: 42px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: 12px;
  background: rgba(15,27,45,0.06);
}
.nav__burger span {
  width: 20px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav.open .nav__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.open .nav__burger span:nth-child(2) { opacity: 0; }
.nav.open .nav__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: 120px;
  padding-bottom: 70px;
  overflow: clip;
  display: flex;
  align-items: center;
  color: var(--white);
  width: 100%;
  max-width: 100%;
}
.hero__bg {
  position: absolute; inset: 0;
  z-index: 0;
}
.hero__bg-image {
  position: absolute; inset: 0;
  background: url('../assets/img/hero.jpg') center/cover no-repeat;
  background-position: center 30%;
  transform: scale(1.05);
  animation: heroZoom 24s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.12); }
}
.hero__overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(148, 193, 31, 0.25) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(243, 146, 0, 0.2) 0%, transparent 50%),
    linear-gradient(135deg, rgba(15, 27, 45, 0.92) 0%, rgba(15, 27, 45, 0.7) 60%, rgba(15, 27, 45, 0.85) 100%);
}
.hero__pattern {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero__left { max-width: 640px; }
.hero__title {
  font-size: clamp(34px, 5.4vw, 68px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin-bottom: 20px;
}
.hero__title .text-grad { background: linear-gradient(135deg, #C5E160 0%, #94C11F 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__title-accent { color: var(--orange); }
.hero__sub {
  font-size: clamp(16px, 1.4vw, 19px);
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.6;
}
.hero__sub strong { color: var(--white); font-weight: 600; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero__cta .btn--ghost { background: rgba(255,255,255,0.1); color: var(--white); backdrop-filter: blur(6px); }
.hero__cta .btn--ghost:hover { background: rgba(255,255,255,0.2); }

.hero__badges { display: flex; gap: 28px; flex-wrap: wrap; }
.hero__badge {
  display: flex; flex-direction: column;
  padding-left: 18px;
  border-left: 2px solid var(--green);
}
.hero__badge strong {
  font-family: var(--ff-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
}
.hero__badge span {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-top: 2px;
}

/* Hero right visual */
.hero__right { position: relative; height: 100%; min-height: 480px; }
.hero__visual {
  position: relative;
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
}
.hero__pipe {
  width: clamp(280px, 30vw, 420px);
  height: clamp(280px, 30vw, 420px);
  border-radius: 50%;
  position: relative;
  display: flex; align-items: center; justify-content: center;
  animation: floatY 6s ease-in-out infinite;
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
.hero__pipe-ring {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(148, 193, 31, 0.3);
}
.hero__pipe-ring--1 { animation: spin 18s linear infinite; border-style: dashed; }
.hero__pipe-ring--2 { inset: 30px; animation: spin 14s linear infinite reverse; border-color: rgba(243, 146, 0, 0.4); }
.hero__pipe-ring--3 { inset: 60px; animation: spin 22s linear infinite; border-color: rgba(255,255,255,0.2); }
@keyframes spin { to { transform: rotate(360deg); } }
.hero__pipe-core {
  width: 56%; height: 56%;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #F39200 0%, #E07F00 40%, #8a3d00 100%);
  box-shadow:
    inset 0 0 80px rgba(0,0,0,0.5),
    inset 0 0 30px rgba(255, 165, 50, 0.6),
    0 0 80px rgba(243, 146, 0, 0.4);
  position: relative;
  z-index: 2;
}
.hero__pipe-core::before {
  content: '';
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 220, 180, 0.6), transparent 50%);
}
.hero__pipe-glow {
  position: absolute; inset: -30px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(148, 193, 31, 0.25) 0%, transparent 60%);
  filter: blur(20px);
  z-index: 0;
}

.hero__floating {
  position: absolute;
  background: rgba(255,255,255,0.96);
  color: var(--ink);
  padding: 14px 18px;
  border-radius: 16px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(8px);
  animation: floatYBadge 5s ease-in-out infinite;
}
.hero__floating svg { color: var(--green-dark); flex-shrink: 0; }
.hero__floating strong { display: block; font-family: var(--ff-display); font-size: 14px; font-weight: 700; line-height: 1.1; }
.hero__floating span { font-size: 12px; color: var(--ink-3); }
.hero__floating--1 { top: 10%; left: -10%; animation-delay: 0s; }
.hero__floating--2 { top: 50%; right: -8%; animation-delay: 1.5s; }
.hero__floating--3 { bottom: 10%; left: 5%; animation-delay: 3s; }
@keyframes floatYBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero__scroll {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(255,255,255,0.7);
}
.hero__scroll-line {
  width: 1px; height: 36px;
  background: linear-gradient(180deg, rgba(255,255,255,0.6), transparent);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -30px; left: 0;
  width: 100%; height: 30px;
  background: var(--green);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { top: -30px; }
  100% { top: 36px; }
}

/* ============ TRUST STRIP ============ */
.trust {
  background: var(--ink);
  color: rgba(255,255,255,0.78);
  padding: 22px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.trust__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}
.trust__item {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--ff-display);
  font-size: 14px;
  font-weight: 600;
}
.trust__item svg { color: var(--green); }
.trust__divider { width: 1px; height: 22px; background: rgba(255,255,255,0.1); }

/* ============ INTRO ============ */
.intro__head { max-width: 720px; margin-bottom: 36px; }
.intro__head .section-title { font-size: clamp(28px, 3.6vw, 42px); }
.intro__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.intro__text {
  font-size: clamp(15px, 1.2vw, 17px);
  color: var(--ink-3);
  line-height: 1.75;
}
.intro__text strong { color: var(--ink); font-weight: 600; }

/* ============ SERVICES ============ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 30px 32px;
  position: relative;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  overflow: hidden;
}
.service::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad-green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.service:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service:hover::before { transform: scaleX(1); }

.service--featured {
  background: linear-gradient(180deg, #0F1B2D 0%, #1A2A45 100%);
  color: rgba(255,255,255,0.86);
  border-color: transparent;
  box-shadow: var(--shadow-lg);
}
.service--featured::before { background: var(--grad-orange); transform: scaleX(1); }
.service--featured h3 { color: var(--white); }
.service--featured .service__text strong { color: var(--white); }
.service--featured .service__list li { color: rgba(255,255,255,0.85); }
.service--featured .service__list li::before { background: var(--orange); }

.service__ribbon {
  position: absolute;
  top: 24px; right: 24px;
  background: var(--grad-orange);
  color: var(--white);
  font-family: var(--ff-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  box-shadow: var(--shadow-orange);
}

.service__icon {
  width: 64px; height: 64px;
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  transition: transform 0.35s ease;
}
.service:hover .service__icon { transform: scale(1.05) rotate(-3deg); }
.service__icon--green { background: rgba(148, 193, 31, 0.12); color: var(--green-dark); }
.service__icon--orange { background: rgba(243, 146, 0, 0.15); color: var(--orange); }
.service__icon--dark { background: rgba(15, 27, 45, 0.06); color: var(--ink); }
.service--featured .service__icon--orange { background: rgba(243, 146, 0, 0.2); }

.service__number {
  position: absolute;
  top: 26px; right: 30px;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: 13px;
  color: var(--ink-3);
  opacity: 0.4;
  letter-spacing: 0.1em;
}
.service--featured .service__number { color: rgba(255,255,255,0.4); top: auto; bottom: 28px; right: 30px; }

.service__title { font-size: 24px; margin-bottom: 12px; font-weight: 700; }
.service__text { color: var(--ink-3); font-size: 15px; margin-bottom: 20px; line-height: 1.6; }
.service__text strong { color: inherit; font-weight: 700; }

.service__list { margin-bottom: 24px; }
.service__list li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  color: var(--ink-2);
  padding-block: 6px;
}
.service__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 12px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,1), 0 0 0 1px var(--green);
}
.service__list li::after {
  content: '';
  position: absolute;
  left: 4px; top: 16px;
  width: 8px; height: 4px;
  border-left: 2px solid var(--white);
  border-bottom: 2px solid var(--white);
  transform: rotate(-45deg);
}

.service__link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 14px;
  color: var(--green-dark);
  position: relative;
  transition: gap 0.25s ease;
}
.service__link:hover { gap: 12px; }
.service__link--orange { color: var(--orange); }
.service--featured .service__link--orange { color: var(--orange); }

/* ============ COMPARE ============ */
.compare__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.compare__col {
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
}
.compare__col--bad {
  background: rgba(231, 60, 62, 0.08);
  border: 1px solid rgba(231, 60, 62, 0.25);
}
.compare__col--good {
  background: linear-gradient(160deg, rgba(148, 193, 31, 0.15) 0%, rgba(148, 193, 31, 0.05) 100%);
  border: 1px solid rgba(148, 193, 31, 0.35);
}
.compare__head { margin-bottom: 24px; }
.compare__tag {
  display: inline-block;
  font-family: var(--ff-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.compare__tag--bad { background: rgba(231, 60, 62, 0.2); color: #ff8d8e; }
.compare__tag--good { background: rgba(148, 193, 31, 0.25); color: var(--green-light); }
.compare__col h3 { font-size: 24px; color: var(--white); }

.compare__list li {
  position: relative;
  padding: 10px 0 10px 38px;
  font-size: 15px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.compare__list li:last-child { border-bottom: 0; }
.compare__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 13px;
  width: 22px; height: 22px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.compare__list--bad li::before {
  background: rgba(231, 60, 62, 0.2);
  border: 1px solid rgba(231, 60, 62, 0.4);
}
.compare__list--bad li::after {
  content: '×';
  position: absolute;
  left: 0; top: 13px;
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  color: #ff8d8e;
  font-weight: 700;
  font-size: 16px;
}
.compare__list--good li::before {
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(148, 193, 31, 0.2);
}
.compare__list--good li::after {
  content: '';
  position: absolute;
  left: 6px; top: 19px;
  width: 9px; height: 5px;
  border-left: 2px solid var(--white);
  border-bottom: 2px solid var(--white);
  transform: rotate(-45deg);
}
.compare__list--good li strong { color: var(--green-light); font-weight: 700; }

/* Compare hero image */
.compare__hero {
  position: relative;
  max-width: 520px;
  margin: 0 auto 48px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.compare__hero img {
  width: 100%;
  height: auto;
  display: block;
}
.compare__hero-label {
  position: absolute;
  bottom: 16px;
  font-family: var(--ff-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white);
  padding: 8px 14px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
}
.compare__hero-label--bad { left: 16px; background: rgba(231, 60, 62, 0.85); }
.compare__hero-label--good { right: 16px; background: rgba(148, 193, 31, 0.85); }

/* CTA overlay */
.cta__bg {
  background-size: cover !important;
  background-position: center !important;
  background-repeat: no-repeat !important;
}
.cta__overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(148, 193, 31, 0.35) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(243, 146, 0, 0.3) 0%, transparent 50%),
    linear-gradient(135deg, rgba(15, 27, 45, 0.92) 0%, rgba(15, 27, 45, 0.78) 60%, rgba(15, 27, 45, 0.9) 100%);
}

/* ============ STATS ============ */
.stats {
  background: var(--ink);
  color: var(--white);
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(148, 193, 31, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(243, 146, 0, 0.12) 0%, transparent 50%);
}
.stats__grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat { text-align: center; padding: 20px; }
.stat__num {
  font-family: var(--ff-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  background: linear-gradient(135deg, #C5E160 0%, #94C11F 50%, #F39200 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}
.stat__label {
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  font-weight: 500;
}

/* ============ PROCESS ============ */
.process__track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 20px;
}
.process__line {
  position: absolute;
  top: 30px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--green) 0%, var(--orange) 100%);
  opacity: 0.3;
  z-index: 0;
}
.process__step {
  position: relative;
  text-align: center;
  padding: 0 12px;
  z-index: 1;
}
.process__num {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--green);
  color: var(--green-dark);
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease, color 0.3s ease;
  box-shadow: 0 0 0 8px rgba(255,255,255,1);
}
.process__step:hover .process__num {
  background: var(--grad-green);
  color: var(--white);
  transform: scale(1.1);
  box-shadow: 0 0 0 8px rgba(255,255,255,1), var(--shadow-green);
}
.process__step h3 { font-size: 19px; margin-bottom: 10px; }
.process__step p { font-size: 14px; color: var(--ink-3); line-height: 1.6; }

.process__cta {
  margin-top: 60px;
  padding: 28px 32px;
  background: linear-gradient(135deg, rgba(148, 193, 31, 0.08), rgba(243, 146, 0, 0.06));
  border: 1px solid rgba(148, 193, 31, 0.2);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  flex-wrap: wrap;
}
.process__cta strong { display: block; font-family: var(--ff-display); font-size: 19px; font-weight: 700; margin-bottom: 4px; }
.process__cta span { color: var(--ink-3); font-size: 14px; }

/* ============ MATERIAL ============ */
.material__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: center;
}
.material__visual {
  position: relative;
  aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
}
.material__ring {
  position: relative;
  width: 86%; height: 86%;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #F39200 0%, #C7600A 50%, #5C2A00 100%);
  box-shadow:
    inset 0 0 100px rgba(0,0,0,0.55),
    inset 0 8px 30px rgba(255, 180, 100, 0.4),
    0 30px 80px rgba(243, 146, 0, 0.35);
  animation: rotateMat 30s linear infinite;
  overflow: hidden;
}
@keyframes rotateMat { to { transform: rotate(360deg); } }
.material__ring-outer {
  position: absolute; inset: -4%;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(148, 193, 31, 0.3), transparent 60%);
  filter: blur(20px);
  z-index: -1;
}
.material__ring-inner {
  position: absolute; inset: 22%;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #F39200 0%, #B36400 60%, #2D1500 100%);
  box-shadow: inset 0 0 60px rgba(0,0,0,0.7);
}
.material__ring-core {
  position: absolute; inset: 38%;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #FFB047 0%, #E07F00 50%, #6B3400 100%);
  box-shadow: inset 0 0 30px rgba(0,0,0,0.6);
}
.material__ring-shine {
  position: absolute;
  top: 8%; left: 14%;
  width: 30%; height: 22%;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.55) 0%, transparent 70%);
  filter: blur(4px);
}
.material__badge {
  position: absolute;
  bottom: 4%;
  right: -2%;
  background: var(--white);
  border-radius: 16px;
  padding: 14px 20px;
  box-shadow: var(--shadow-lg);
}
.material__badge strong { display: block; font-family: var(--ff-display); font-size: 18px; font-weight: 800; color: var(--green-dark); }
.material__badge span { font-size: 12px; color: var(--ink-3); }

.material__text {
  font-size: clamp(15px, 1.2vw, 17px);
  color: var(--ink-3);
  margin-bottom: 28px;
  line-height: 1.7;
}
.material__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 32px;
}
.material__feature {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px;
  background: var(--soft);
  border-radius: 12px;
  border: 1px solid var(--line);
}
.material__feature-icon {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.material__feature strong { display: block; font-family: var(--ff-display); font-size: 14px; font-weight: 700; }
.material__feature span { font-size: 13px; color: var(--ink-3); }

.material__materials p { font-family: var(--ff-display); font-size: 14px; font-weight: 600; margin-bottom: 14px; }
.material__chips { display: flex; flex-wrap: wrap; gap: 8px; }
.material__chips span {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  transition: all 0.2s ease;
}
.material__chips span:hover { border-color: var(--green); background: rgba(148, 193, 31, 0.08); color: var(--green-dark); }

/* ============ USAGE ============ */
.usage__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.usage__card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}
.usage__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--grad-green);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 0;
}
.usage__card:hover { transform: translateY(-8px); border-color: transparent; box-shadow: var(--shadow-lg); }
.usage__card:hover::before { opacity: 1; }
.usage__card:hover .usage__icon { background: rgba(255,255,255,0.2); color: var(--white); }
.usage__card:hover h3,
.usage__card:hover p { color: var(--white); }

.usage__icon, .usage__card h3, .usage__card p { position: relative; z-index: 1; transition: color 0.3s ease, background 0.3s ease; }
.usage__icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: rgba(148, 193, 31, 0.12);
  color: var(--green-dark);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.usage__card h3 { font-size: 18px; margin-bottom: 8px; font-weight: 700; }
.usage__card p { font-size: 14px; color: var(--ink-3); line-height: 1.55; }

/* ============ REVIEWS ============ */
.reviews__carousel {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  overflow: hidden;
}
.reviews__track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.65, 0, 0.35, 1);
  padding: 8px 8px 40px;
}
.review {
  flex: 0 0 100%;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 44px;
  box-shadow: var(--shadow);
  margin: 0 8px;
  display: flex;
  flex-direction: column;
}
.review__stars {
  color: var(--orange);
  font-size: 22px;
  letter-spacing: 0.2em;
  margin-bottom: 18px;
}
.review__text {
  font-family: var(--ff-display);
  font-size: clamp(17px, 1.5vw, 22px);
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 28px;
  position: relative;
  padding-left: 28px;
}
.review__text::before {
  content: '"';
  position: absolute;
  top: -10px; left: 0;
  font-family: 'Georgia', serif;
  font-size: 60px;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
}
.review__author { display: flex; align-items: center; gap: 14px; margin-top: auto; }
.review__avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 16px;
}
.review__author strong { display: block; font-family: var(--ff-display); font-size: 15px; font-weight: 700; }
.review__author span { font-size: 13px; color: var(--ink-3); }

.reviews__controls {
  display: flex; align-items: center; justify-content: center;
  gap: 24px;
  margin-top: 16px;
}
.reviews__btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink);
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}
.reviews__btn:hover { background: var(--green); color: var(--white); border-color: var(--green); transform: scale(1.05); }
.reviews__dots { display: flex; gap: 8px; }
.reviews__dots button {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(15, 27, 45, 0.2);
  transition: all 0.2s ease;
  padding: 0;
}
.reviews__dots button.active { background: var(--green); width: 24px; border-radius: 999px; }

/* ============ CTA ============ */
.cta__box {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  padding: clamp(50px, 7vw, 80px) clamp(28px, 5vw, 70px);
  color: var(--white);
  text-align: center;
}
.cta__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(148, 193, 31, 0.35) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(243, 146, 0, 0.35) 0%, transparent 50%),
    linear-gradient(135deg, #0F1B2D 0%, #1A2A45 100%);
}
.cta__content { position: relative; max-width: 760px; margin: 0 auto; }
.cta__title { font-size: clamp(28px, 4.4vw, 50px); font-weight: 800; color: var(--white); margin-bottom: 16px; }
.cta__text { font-size: clamp(15px, 1.3vw, 18px); color: rgba(255,255,255,0.8); margin-bottom: 32px; }
.cta__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============ CONTACT ============ */
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 60px;
  align-items: start;
}
.contact__left .section-title { margin-bottom: 14px; }
.contact__lead { font-size: 16px; color: var(--ink-3); margin-bottom: 32px; max-width: 460px; }
.contact__items { display: flex; flex-direction: column; gap: 14px; }
.contact__item {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: all 0.25s ease;
}
.contact__item:hover { border-color: var(--green); box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.contact__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(148, 193, 31, 0.12);
  color: var(--green-dark);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact__item span { display: block; font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--slate); margin-bottom: 2px; }
.contact__item strong { font-family: var(--ff-display); font-size: 16px; font-weight: 600; color: var(--ink); }

.contact__form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 18px;
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form__field { display: flex; flex-direction: column; gap: 8px; }
.form__field span { font-family: var(--ff-display); font-size: 13px; font-weight: 600; color: var(--ink-2); }
.form__field input,
.form__field select,
.form__field textarea {
  padding: 13px 16px;
  background: var(--soft);
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 15px;
  color: var(--ink);
  transition: all 0.2s ease;
  font-family: var(--ff-body);
}
.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  outline: none;
  background: var(--white);
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(148, 193, 31, 0.15);
}
.form__field textarea { resize: vertical; min-height: 100px; }

.form__check { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--ink-3); cursor: pointer; }
.form__check input { margin-top: 3px; accent-color: var(--green); }
.form__check a { color: var(--green-dark); text-decoration: underline; }

.form__submit { width: 100%; margin-top: 6px; }
.form__success,
.form__error {
  display: none;
  padding: 14px;
  border-radius: 12px;
  font-weight: 600;
  text-align: center;
}
.form__success {
  background: rgba(148, 193, 31, 0.15);
  color: var(--green-dark);
}
.form__error {
  background: rgba(231, 60, 62, 0.12);
  color: #c92e30;
}
.form__success.show,
.form__error.show { display: block; }

.form__hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none;
}

.form__submit[disabled] {
  opacity: 0.7;
  cursor: wait;
  pointer-events: none;
}
.form__submit .spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ============ FOOTER ============ */
.footer {
  background: var(--ink);
  color: rgba(255,255,255,0.7);
  padding-top: 80px;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 60px;
}
.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__col strong {
  font-family: var(--ff-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 10px;
}
.footer__col a, .footer__col span { font-size: 14px; color: rgba(255,255,255,0.65); transition: color 0.2s ease; }
.footer__col a:hover { color: var(--green); }
.footer__col--brand { gap: 14px; }
.footer__logo {
  height: 44px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.95;
  align-self: flex-start;
}
.footer__col--brand p { font-size: 14px; line-height: 1.6; color: rgba(255,255,255,0.8); }
.footer__small { font-size: 13px !important; color: rgba(255,255,255,0.5) !important; }

.footer__bar { border-top: 1px solid rgba(255,255,255,0.08); padding: 22px 0; }
.footer__bar-inner {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.footer__legal { display: flex; gap: 22px; }
.footer__legal a:hover { color: var(--green); }

/* ============ FLOATING ACTION BUTTONS ============ */
.fab {
  position: fixed;
  bottom: 22px;
  right: 22px;
  z-index: 90;
  display: flex;
  flex-direction: column-reverse; /* WhatsApp at bottom, then call, then back-to-top */
  align-items: center;
  gap: 12px;
  pointer-events: none; /* let children own it */
}
.fab__btn {
  pointer-events: auto;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  text-decoration: none;
}
.fab__btn:hover { transform: translateY(-3px) scale(1.04); }
.fab__btn:active { transform: translateY(-1px) scale(0.98); }

.fab__btn--wa {
  background: #25D366;
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45);
  animation: fabPulseWA 2.4s ease-out infinite;
}
.fab__btn--wa:hover {
  background: #20BD5A;
  box-shadow: 0 16px 36px rgba(37, 211, 102, 0.55);
  animation: none;
}
@keyframes fabPulseWA {
  0%   { box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45), 0 0 0 0 rgba(37, 211, 102, 0.55); }
  70%  { box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45), 0 0 0 18px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45), 0 0 0 0 rgba(37, 211, 102, 0); }
}

.fab__btn--call {
  background: var(--grad-orange);
  box-shadow: 0 12px 28px rgba(243, 146, 0, 0.42);
}
.fab__btn--call:hover {
  box-shadow: 0 16px 36px rgba(243, 146, 0, 0.55);
}

.fab__btn--top {
  background: rgba(15, 27, 45, 0.9);
  backdrop-filter: blur(8px);
  width: 44px; height: 44px;
  box-shadow: 0 8px 20px rgba(15, 27, 45, 0.3);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.25s ease;
}
.fab__btn--top.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.fab__btn--top:hover {
  background: var(--ink);
  transform: translateY(-3px);
}

/* Tooltip */
.fab__tip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: var(--ink);
  color: var(--white);
  font-family: var(--ff-display);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 12px;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: 0 6px 16px rgba(0,0,0,0.18);
}
.fab__tip::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: var(--ink);
}
.fab__btn:hover .fab__tip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

@media (max-width: 720px) {
  .fab { bottom: 16px; right: 16px; gap: 10px; }
  .fab__btn { width: 52px; height: 52px; }
  .fab__btn--top { width: 40px; height: 40px; }
  .fab__tip { display: none; }
}

/* ============ REVEAL ============ */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(.2,.7,.25,1), transform 0.7s cubic-bezier(.2,.7,.25,1);
}
[data-reveal].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .nav__menu { display: none; }
  .nav__menu.open { display: flex; }
  .nav__burger { display: flex; }
  .nav.open .nav__menu {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: var(--white);
    padding: 16px;
    box-shadow: var(--shadow-lg);
    gap: 4px;
  }
  .nav__cta { display: none; }

  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__right { min-height: 360px; order: -1; max-width: 100%; }
  .hero__floating--1 { left: 4%; }
  .hero__floating--2 { right: 4%; }
  .hero__floating--3 { left: 8%; }

  .services__grid { grid-template-columns: 1fr 1fr; }
  .service--featured { grid-column: 1 / -1; }

  .compare__grid { grid-template-columns: 1fr; }

  .process__track { grid-template-columns: 1fr 1fr; gap: 40px 32px; }
  .process__line { display: none; }

  .material__inner { grid-template-columns: 1fr; gap: 40px; }
  .material__visual { max-width: 380px; margin: 0 auto; }
  .material__badge { right: 0; }

  .usage__grid { grid-template-columns: 1fr 1fr; }

  .stats__grid { grid-template-columns: 1fr 1fr; gap: 30px; }

  .contact__inner { grid-template-columns: 1fr; gap: 40px; }

  .footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 720px) {
  :root { --pad: 18px; }

  .hero {
    padding-top: 100px;
    min-height: auto;
    padding-bottom: 50px;
  }
  .hero__inner { gap: 28px; }
  .hero__title {
    font-size: clamp(28px, 8.4vw, 38px);
    line-height: 1.1;
  }
  .hero__sub { font-size: 15px; line-height: 1.55; margin-bottom: 24px; }
  .hero__cta { gap: 10px; margin-bottom: 30px; width: 100%; }
  .hero__cta .btn { flex: 1 1 auto; min-width: 140px; justify-content: center; }
  .hero__badges { gap: 14px 22px; }
  .hero__badge { padding-left: 12px; }
  .hero__badge strong { font-size: 18px; }
  .hero__badge span { font-size: 11px; }

  .hero__right { min-height: 280px; }
  .hero__pipe { width: 200px; height: 200px; }
  .hero__pipe-ring--2 { inset: 22px; }
  .hero__pipe-ring--3 { inset: 44px; }

  .hero__floating {
    font-size: 12px;
    padding: 9px 12px;
    border-radius: 12px;
    max-width: 45vw;
  }
  .hero__floating strong { font-size: 12px; }
  .hero__floating span { font-size: 10px; line-height: 1.3; }
  .hero__floating svg { width: 18px; height: 18px; }
  .hero__floating--1 { top: 4%; left: 2%; }
  .hero__floating--2 { top: 46%; right: 2%; }
  .hero__floating--3 { bottom: 4%; left: 12%; }

  .hero__scroll { display: none; }

  .section { padding: 64px 0; }
  .section-title { font-size: clamp(26px, 6.6vw, 36px); }
  .section__head { margin-bottom: 36px; }
  .section-sub { font-size: 15px; }

  .nav { padding: 10px 0; }
  .nav__logo img { height: 36px; }
  .nav__burger { width: 40px; height: 40px; }

  .trust { padding: 16px 0; }
  .trust__inner { gap: 12px 18px; justify-content: center; }
  .trust__item { font-size: 13px; }
  .trust__divider { display: none; }

  .intro__grid { grid-template-columns: 1fr; gap: 16px; }
  .intro__text { font-size: 15px; }

  .services__grid { grid-template-columns: 1fr; gap: 18px; }
  .service { padding: 28px 24px; }
  .service--featured { grid-column: auto; }
  .service__title { font-size: 22px; }

  .compare__hero { margin-bottom: 32px; }
  .compare__col { padding: 28px 22px; }
  .compare__col h3 { font-size: 20px; }
  .compare__list li { font-size: 14px; padding: 9px 0 9px 34px; }

  .stats { padding: 50px 0; }
  .stats__grid { grid-template-columns: 1fr 1fr; gap: 24px 12px; }
  .stat { padding: 8px; }
  .stat__num { font-size: 38px; }
  .stat__label { font-size: 12px; }

  .process__track { grid-template-columns: 1fr; gap: 28px; }
  .process__step { padding: 0; }
  .process__cta {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    padding: 22px;
  }
  .process__cta .btn { width: 100%; }

  .material__features { grid-template-columns: 1fr; gap: 12px; }
  .material__feature { padding: 12px; }
  .material__chips span { font-size: 12px; padding: 7px 12px; }

  .usage__grid { grid-template-columns: 1fr; gap: 14px; }
  .usage__card { padding: 24px 22px; }

  .review { padding: 28px 22px; }
  .review__text { padding-left: 18px; font-size: 16px; }
  .review__text::before { font-size: 40px; top: -2px; }
  .reviews__track { padding: 6px 6px 32px; }
  .review { margin: 0 6px; }

  .cta__box { padding: 50px 22px; }
  .cta__title { font-size: clamp(24px, 7vw, 34px); }
  .cta__actions { width: 100%; flex-direction: column; }
  .cta__actions .btn { width: 100%; }

  .contact__form { padding: 22px; }
  .contact__item { padding: 12px 14px; gap: 12px; }
  .contact__item strong { font-size: 15px; }
  .form__row { grid-template-columns: 1fr; gap: 14px; }

  .footer { padding-top: 56px; }
  .footer__inner { grid-template-columns: 1fr; gap: 28px; padding-bottom: 40px; }
  .footer__bar-inner { flex-direction: column; text-align: center; gap: 8px; }

  .backtop { bottom: 16px; right: 16px; width: 44px; height: 44px; }

  /* Touch targets */
  .btn { min-height: 48px; }
  .nav__menu a { padding: 12px 16px; }
}

/* Anti-overflow safety net for mobile */
@media (max-width: 720px) {
  .hero__inner,
  .hero__left,
  .hero__right,
  .container { max-width: 100%; }
  img, svg, video { max-width: 100%; height: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}