/* =====================================================================
   TOPTANK — Tank Solutions Switzerland
   Design system based on the provided mockup.
   ===================================================================== */

/* --------------------------------------------------------------
   1. TOKENS
   -------------------------------------------------------------- */
:root {
  /* Colours (from design-system panel) */
  --c-primary: #0f2040;
  --c-primary-700: #0b1a36;
  --c-secondary: #64746b;
  --c-accent: #6ba539;
  --c-accent-600: #5c9130;
  --c-orange: #f29c00;
  --c-orange-600: #d88b00;
  --c-light: #f5f7fa;
  --c-dark: #0b1726;
  --c-white: #ffffff;
  --c-border: #e2e7ee;
  --c-muted: #6b7684;

  /* Typography */
  --ff-sans: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Fluid type scale — clamped so it looks great from 390px to 1440px */
  --fs-h1: clamp(2.5rem, 1.5rem + 4vw, 4rem);          /* 40 → 64 */
  --fs-h2: clamp(1.75rem, 1.15rem + 2.5vw, 2.5rem);    /* 28 → 40 */
  --fs-h3: clamp(1.15rem, 1rem + 0.6vw, 1.5rem);       /* 18 → 24 */
  --fs-lead: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);   /* 16 → 18 */
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-eyebrow: 0.8125rem;

  /* Spacing / layout */
  --content-max: 1440px;
  --content-pad: clamp(1.25rem, 3vw, 5rem);
  --section-py: clamp(3.5rem, 4vw + 2rem, 6.5rem);
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 18px;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(15, 32, 64, 0.05), 0 1px 3px rgba(15, 32, 64, 0.06);
  --shadow-md: 0 6px 16px rgba(15, 32, 64, 0.08), 0 2px 4px rgba(15, 32, 64, 0.05);
  --shadow-lg: 0 16px 40px rgba(15, 32, 64, 0.14), 0 4px 12px rgba(15, 32, 64, 0.06);

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 160ms;
  --dur: 260ms;
  --dur-slow: 520ms;

  --header-h: 76px;
}

/* --------------------------------------------------------------
   2. RESET / BASE
   -------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  font-family: var(--ff-sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--c-primary);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  border: 0;
  background: none;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--c-primary);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

::selection {
  background: var(--c-primary);
  color: #fff;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.75rem 1rem;
  background: var(--c-primary);
  color: #fff;
  z-index: 100;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  border-radius: var(--radius-sm);
}

:focus-visible {
  outline: 3px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --------------------------------------------------------------
   3. LAYOUT PRIMITIVES
   -------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--content-pad);
}

.section {
  padding-block: var(--section-py);
}
.section--light {
  background: var(--c-light);
}

.section__head {
  max-width: 640px;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}
.section__head--center {
  margin-inline: auto;
  text-align: center;
}

/* --------------------------------------------------------------
   4. TYPOGRAPHY HELPERS
   -------------------------------------------------------------- */
.eyebrow {
  display: inline-block;
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin: 0 0 1rem;
}
.eyebrow--light {
  color: var(--c-accent);
}

.section-title {
  font-size: var(--fs-h2);
  line-height: 1.1;
  margin: 0 0 1.25rem;
}
.section-title--light {
  color: #fff;
}

.section-lead {
  font-size: var(--fs-lead);
  color: var(--c-secondary);
  max-width: 44ch;
}
.section-lead--light {
  color: rgba(255, 255, 255, 0.78);
}

/* --------------------------------------------------------------
   5. BUTTONS
   -------------------------------------------------------------- */
.btn {
  --btn-bg: var(--c-primary);
  --btn-fg: #fff;
  --btn-bd: var(--c-primary);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.25rem;
  min-height: 44px;
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1.5px solid var(--btn-bd);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition:
    background var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
  will-change: transform;
  white-space: nowrap;
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}
.btn svg {
  transition: transform var(--dur) var(--ease);
}
.btn:hover svg {
  transform: translateX(3px);
}

.btn--lg {
  padding: 0.95rem 1.5rem;
  min-height: 52px;
  font-size: 1rem;
}
.btn--sm {
  padding: 0.5rem 0.9rem;
  min-height: 36px;
  font-size: 0.8125rem;
}
.btn--block {
  width: 100%;
}

.btn--primary {
  --btn-bg: var(--c-primary);
  --btn-bd: var(--c-primary);
}
.btn--primary:hover {
  --btn-bg: var(--c-primary-700);
  --btn-bd: var(--c-primary-700);
}

.btn--accent {
  --btn-bg: var(--c-accent);
  --btn-bd: var(--c-accent);
}
.btn--accent:hover {
  --btn-bg: var(--c-accent-600);
  --btn-bd: var(--c-accent-600);
}

.btn--orange {
  --btn-bg: var(--c-orange);
  --btn-bd: var(--c-orange);
  color: #fff;
}
.btn--orange:hover {
  --btn-bg: var(--c-orange-600);
  --btn-bd: var(--c-orange-600);
}

.btn--secondary {
  --btn-bg: transparent;
  --btn-fg: var(--c-primary);
  --btn-bd: var(--c-primary);
}
.btn--secondary:hover {
  --btn-bg: var(--c-primary);
  --btn-fg: #fff;
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--c-primary);
  --btn-bd: transparent;
}
.btn--ghost:hover {
  --btn-bg: rgba(15, 32, 64, 0.06);
}

.btn--ghost-light {
  --btn-fg: #fff;
  --btn-bd: rgba(255, 255, 255, 0.5);
}
.btn--ghost-light:hover {
  --btn-bg: rgba(255, 255, 255, 0.12);
  --btn-bd: #fff;
}

/* Sub-label used in the regional buttons ("AG") */
.brand-sub {
  font-size: 0.7em;
  font-weight: 500;
  opacity: 0.8;
  margin-left: 0.35em;
}

/* --------------------------------------------------------------
   6. HEADER
   -------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition:
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--c-border);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: var(--header-h);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--c-primary);
}
.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo__text strong {
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: 0.02em;
}
.logo__text small {
  font-size: 0.6rem;
  color: var(--c-secondary);
  letter-spacing: 0.14em;
  margin-top: 3px;
  font-weight: 600;
}
.logo--light {
  color: #fff;
}
.logo--light .logo__text small {
  color: rgba(255, 255, 255, 0.6);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.site-nav__list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.site-nav__list a {
  position: relative;
  font-weight: 500;
  color: var(--c-primary);
  padding: 0.5rem 0;
}
.site-nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.site-nav__list a:hover,
.site-nav__list a.is-active {
  color: var(--c-primary);
}
.site-nav__list a:hover::after,
.site-nav__list a.is-active::after {
  transform: scaleX(1);
}

/* Language switcher */
.lang-switch {
  position: relative;
}
.lang-switch__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--c-primary);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.lang-switch__toggle:hover {
  border-color: var(--c-primary);
  background: rgba(15, 32, 64, 0.04);
}
.lang-switch__menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 160px;
  padding: 0.4rem;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.lang-switch.is-open .lang-switch__menu {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.lang-switch__menu a {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--c-primary);
  font-weight: 500;
}
.lang-switch__menu a:hover {
  background: var(--c-light);
}
.lang-switch__menu [aria-selected="true"] a {
  background: rgba(107, 165, 57, 0.1);
  color: var(--c-accent-600);
}

/* Burger */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--c-primary);
  border-radius: 2px;
  margin: 4px 0;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* --------------------------------------------------------------
   7. HERO
   -------------------------------------------------------------- */
.hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(560px, 88vh, 780px);
  display: grid;                /* grid so the child .container stretches full width */
  grid-template-columns: 1fr;
  align-items: center;
  color: #fff;
  overflow: hidden;
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero__image {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(15, 32, 64, 0.25) 0%, rgba(15, 32, 64, 0.65) 100%),
    linear-gradient(135deg, #2c4a6b 0%, #1a2e4a 45%, #0b1726 100%);
  background-size: cover;
  background-position: center;
  /* Subtle mountain silhouette via inline SVG */
  background-image:
    linear-gradient(180deg, rgba(11, 23, 38, 0.15) 0%, rgba(11, 23, 38, 0.75) 90%),
    url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 800' preserveAspectRatio='xMidYMid slice'%3E%3Cdefs%3E%3ClinearGradient id='sky' x1='0' x2='0' y1='0' y2='1'%3E%3Cstop offset='0' stop-color='%23345d84'/%3E%3Cstop offset='1' stop-color='%230f2040'/%3E%3C/linearGradient%3E%3ClinearGradient id='lake' x1='0' x2='0' y1='0' y2='1'%3E%3Cstop offset='0' stop-color='%23294867'/%3E%3Cstop offset='1' stop-color='%230b1726'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect width='1440' height='800' fill='url(%23sky)'/%3E%3Cpath d='M0 480 L180 340 L320 420 L520 260 L720 400 L900 300 L1120 420 L1280 340 L1440 460 L1440 620 L0 620 Z' fill='%23233d59' opacity='.85'/%3E%3Cpath d='M0 540 L200 420 L380 500 L560 380 L760 470 L960 400 L1160 490 L1320 430 L1440 520 L1440 700 L0 700 Z' fill='%23172a44' opacity='.9'/%3E%3Crect y='620' width='1440' height='180' fill='url(%23lake)'/%3E%3Cpath d='M0 640 Q360 660 720 640 T1440 640' stroke='%23ffffff' stroke-opacity='.05' fill='none' stroke-width='2'/%3E%3Cpath d='M0 680 Q360 700 720 680 T1440 680' stroke='%23ffffff' stroke-opacity='.04' fill='none' stroke-width='2'/%3E%3C/svg%3E");
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  animation: hero-pan 18s var(--ease) both;
}
@keyframes hero-pan {
  from { transform: scale(1.12); }
  to   { transform: scale(1); }
}
.hero__scrim {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 20% 60%, rgba(15, 32, 64, 0.75) 0%, rgba(15, 32, 64, 0.35) 40%, rgba(15, 32, 64, 0.1) 65%, transparent 80%),
    linear-gradient(180deg, transparent 40%, rgba(11, 23, 38, 0.6) 100%);
}

.hero__content {
  padding-block: clamp(4rem, 8vw, 7rem);
  max-width: 780px;
  position: relative;
}
.hero__title {
  font-size: var(--fs-h1);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 0 1.5rem;
}
.hero__title-accent {
  color: #fff;
  display: inline-block;
  position: relative;
}
.hero__title-accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 4px;
  background: var(--c-accent);
  border-radius: 2px;
  transform-origin: left;
  animation: underline 900ms 300ms var(--ease) both;
}
@keyframes underline {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

.hero__lead {
  font-size: var(--fs-lead);
  color: rgba(255, 255, 255, 0.88);
  max-width: 44ch;
  margin: 0 0 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 20px;
  display: grid;
  place-items: center;
}
.hero__scroll span {
  display: block;
  width: 3px;
  height: 8px;
  border-radius: 2px;
  background: #fff;
  animation: scroll-hint 1.4s ease-in-out infinite;
}
@keyframes scroll-hint {
  0%, 100% { transform: translateY(-4px); opacity: 0.4; }
  50%      { transform: translateY(4px);  opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__image,
  .hero__scroll span,
  .hero__title-accent::after {
    animation: none;
  }
}

/* --------------------------------------------------------------
   8. NETWORK (about) — timeline + map
   -------------------------------------------------------------- */
.network__grid {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .network__grid {
    grid-template-columns: 1.05fr 0.9fr 1.1fr;
    align-items: start;
  }
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 1.5rem;
  margin-top: 1.75rem;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 500;
  color: var(--c-primary);
}
.feature-list svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--c-accent);
}

.timeline {
  position: relative;
  padding-left: 1.5rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-accent), rgba(107, 165, 57, 0.3));
  border-radius: 2px;
}
.timeline li {
  position: relative;
  padding: 0.5rem 0 0.5rem 0.5rem;
  margin-bottom: 0.5rem;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: -1.5rem;
  top: 1rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--c-accent);
  box-shadow: 0 0 0 4px rgba(107, 165, 57, 0.12);
}
.timeline .is-current::before {
  background: var(--c-accent);
}
.timeline__year {
  display: block;
  font-weight: 700;
  color: var(--c-primary);
  font-size: 1.125rem;
}
.timeline__label {
  display: block;
  color: var(--c-secondary);
  font-size: 0.9375rem;
}

.map {
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}
.map img {
  width: 100%;
  height: auto;
  display: block;
  margin-inline: auto;
}
@media (min-width: 900px) {
  .map img {
    margin-inline: 0;   /* left-aligned in the 3-column grid, per mockup */
  }
}

/* --------------------------------------------------------------
   9. COMPANIES
   -------------------------------------------------------------- */
.companies {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}

.company-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.company-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.company-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.company-card__img {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(15, 32, 64, 0) 40%, rgba(15, 32, 64, 0.5) 100%),
    linear-gradient(135deg,
      hsl(var(--img-hue, 210), 40%, 55%),
      hsl(var(--img-hue, 210), 45%, 30%)
    );
  background-image:
    linear-gradient(180deg, rgba(15, 32, 64, 0) 40%, rgba(15, 32, 64, 0.55) 100%),
    url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 300' preserveAspectRatio='xMidYMid slice'%3E%3Crect width='400' height='300' fill='%23345d84'/%3E%3Cpath d='M0 180 L60 130 L120 170 L180 110 L240 160 L300 130 L360 170 L400 150 L400 210 L0 210 Z' fill='%23233d59' opacity='.85'/%3E%3Cpath d='M0 210 L80 170 L160 200 L240 160 L320 200 L400 180 L400 260 L0 260 Z' fill='%23172a44' opacity='.9'/%3E%3Crect y='230' width='400' height='70' fill='%230f2040' opacity='.7'/%3E%3C/svg%3E");
  background-size: cover;
  background-position: center;
  filter: hue-rotate(calc((var(--img-hue, 210) - 210) * 1deg)) saturate(1.1);
  transition: transform var(--dur-slow) var(--ease);
}
.company-card:hover .company-card__img {
  transform: scale(1.05);
}

.company-card__badge {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  padding: 0.35rem 0.7rem;
  background: rgba(255, 255, 255, 0.94);
  color: var(--c-primary);
  font-weight: 800;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  border-radius: 4px;
}
.company-card[data-brand="luthi"] .company-card__badge {
  background: var(--c-orange);
  color: #fff;
}
.company-card[data-brand="wasner"] .company-card__badge {
  background: var(--c-accent);
  color: #fff;
}

.company-card__region {
  position: absolute;
  right: 1rem;
  top: 1rem;
  padding: 0.25rem 0.6rem;
  background: rgba(11, 23, 38, 0.6);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}

.company-card__services {
  padding: 1rem 1.25rem;
  display: grid;
  gap: 0.4rem;
  color: var(--c-secondary);
  font-size: 0.9375rem;
}
.company-card__services li {
  position: relative;
  padding-left: 1.25rem;
}
.company-card__services li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
}

.company-card .btn {
  border-radius: 0;
  padding-block: 1rem;
  min-height: 52px;
}

/* --------------------------------------------------------------
   10. SERVICES
   -------------------------------------------------------------- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}
@media (min-width: 720px) {
  /* 6 cards → clean 3 × 2 grid */
  .services__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.service-card {
  padding: 1.75rem 1.5rem;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  text-align: left;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--c-accent);
}
.service-card__icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(107, 165, 57, 0.1);
  color: var(--c-accent);
  margin-bottom: 1rem;
}
.service-card__icon svg {
  width: 28px;
  height: 28px;
}
.service-card h3 {
  font-size: var(--fs-h3);
  margin: 0 0 0.35rem;
}
.service-card p {
  color: var(--c-secondary);
  font-size: 0.9375rem;
}

/* --------------------------------------------------------------
   11. WHY (dark section) + stats
   -------------------------------------------------------------- */
.why {
  background:
    radial-gradient(80% 60% at 100% 0%, rgba(107, 165, 57, 0.18), transparent 60%),
    radial-gradient(60% 50% at 0% 100%, rgba(242, 156, 0, 0.12), transparent 60%),
    linear-gradient(180deg, var(--c-primary), var(--c-dark));
  color: #fff;
}

.why__grid {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 900px) {
  /* Title on the left (~35%), stats on the right in a single row of 4 */
  .why__grid {
    grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.9fr);
  }
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem 1rem;
}
@media (min-width: 900px) {
  /* 4-in-a-row on desktop, per mockup */
  .stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.stat {
  /* Minimal look — no card background/border, just content on dark bg (per mockup) */
  position: relative;
  padding: 0.75rem 1rem;
  text-align: center;
  transition: transform var(--dur) var(--ease);
}
.stat:hover {
  transform: translateY(-3px);
}
.stat__icon {
  /* Block-level so it sits ABOVE the value; inline SVG gets centered by parent's text-align */
  color: var(--c-accent);
  margin: 0 0 1rem;
  line-height: 0;
}
.stat__icon svg {
  width: 44px;
  height: 44px;
  display: inline-block;
  stroke-width: 1.5;
}
.stat__value {
  font-size: clamp(1.5rem, 0.85rem + 1.35vw, 2.25rem);   /* keeps long words like "Zertifizierte" inside their column */
  font-weight: 800;
  color: #fff;
  line-height: 1.05;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}
.stat__plus {
  color: var(--c-accent);
  font-size: 0.7em;
}
.stat__label {
  margin-top: 0.55rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9375rem;
  font-weight: 500;
}

/* Vertical dividers between stats (desktop only, per mockup) */
@media (min-width: 900px) {
  .stat + .stat::before {
    content: "";
    position: absolute;
    left: calc(-0.5rem - 0.5px);   /* centered in the 1rem gap */
    top: 12%;
    bottom: 12%;
    width: 1px;
    background: rgba(255, 255, 255, 0.16);
  }
}

/* --------------------------------------------------------------
   12. PARTNERS CTA
   -------------------------------------------------------------- */
.partners-cta {
  background: var(--c-light);
  border-top: 1px solid var(--c-border);
}
.partners-cta .eyebrow {
  text-align: center;
  display: block;
  color: var(--c-secondary);
}
.partners-cta__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

/* --------------------------------------------------------------
   13. FOOTER
   -------------------------------------------------------------- */
.site-footer {
  background: var(--c-primary);
  color: rgba(255, 255, 255, 0.75);
  padding-block: 2.5rem;
}
.site-footer__inner {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 900px) {
  .site-footer__inner {
    grid-template-columns: auto 1fr auto;
    text-align: left;
  }
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem 1.75rem;
}
.footer-nav a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9375rem;
  font-weight: 500;
}
.footer-nav a:hover {
  color: #fff;
}
.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.55);
}
.site-footer__meta a:hover {
  color: #fff;
}

/* --------------------------------------------------------------
   14. REVEAL ANIMATIONS
   -------------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity var(--dur-slow) var(--ease),
    transform var(--dur-slow) var(--ease);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* --------------------------------------------------------------
   15. RESPONSIVE — mobile menu & tweaks
   -------------------------------------------------------------- */
@media (max-width: 960px) {
  .nav-toggle {
    display: block;
    z-index: 60;
  }
  .site-nav {
    position: fixed;
    inset: 0;
    top: var(--header-h);
    padding: 1.5rem var(--content-pad) 2rem;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    transform: translateX(100%);
    transition: transform var(--dur) var(--ease);
    overflow-y: auto;
    border-top: 1px solid var(--c-border);
  }
  .site-nav.is-open {
    transform: none;
  }
  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    width: 100%;
  }
  .site-nav__list a {
    display: block;
    padding: 0.9rem 0.25rem;
    border-bottom: 1px solid var(--c-border);
    font-size: 1.0625rem;
  }
  .site-nav__list a::after {
    display: none;
  }
  .lang-switch__toggle {
    width: 100%;
    justify-content: space-between;
  }
  body.nav-open {
    overflow: hidden;
  }
}

@media (max-width: 640px) {
  .logo__text small {
    display: none;
  }
  .hero {
    min-height: 620px;
  }
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero__actions .btn {
    width: 100%;
  }
  .feature-list {
    grid-template-columns: 1fr;
  }
  .partners-cta__grid {
    grid-template-columns: 1fr;
  }
  .company-card__services {
    padding: 1rem;
  }
}