/* =====================================
   VSD Page – Variable Speed Drives
   Prefix: .vsd-
   ===================================== */

:root {
  --vsd-ink: #0f172a;
  --vsd-muted: #6b7280;
  --vsd-bg-page: #f3f4f6;
  --vsd-soft: #f9fafb;
  --vsd-border: rgba(15, 23, 42, 0.08);
  --vsd-primary: #0f766e;
  --vsd-primary-2: #155e75;
  --vsd-accent: #0ea5e9;
  --vsd-radius-lg: 22px;
  --vsd-radius-md: 16px;
  --vsd-shadow-card: 0 20px 44px rgba(15, 23, 42, 0.14);
  --vsd-section-y: clamp(32px, 7vw, 64px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial,
    sans-serif;
  color: var(--vsd-ink);
  background: var(--vsd-bg-page);
  line-height: 1.6;
}

/* Reuse your global wrap spacing */
.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 28px);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.vsd-page {
  padding-top: clamp(72px, 10vh, 96px); /* avoids sticky header overlap */
}

/* ---------- Section headers ---------- */
.vsd-section {
  padding: var(--vsd-section-y) 0;
}

.vsd-section__title {
  margin: 0 0 0.4rem;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  letter-spacing: 0.01em;
  color: #0b3b3f;
}

.vsd-section__subtitle {
  margin: 0;
  color: var(--vsd-muted);
  font-size: 0.96rem;
}

/* ---------- Buttons ---------- */
.vsd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  padding: 0.9rem 1.5rem;
  border-radius: 999px;
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease,
    background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  font-size: 0.95rem;
  cursor: pointer;
  white-space: nowrap;
}

.vsd-btn--solid {
  color: #ffffff;
  background: linear-gradient(90deg, var(--vsd-primary), var(--vsd-primary-2));
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.35);
}

.vsd-btn--solid:hover {
  transform: translateY(-1.5px);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.42);
}

.vsd-btn--ghost {
  color: var(--vsd-primary-2);
  background: linear-gradient(180deg, #ffffff, #f4f5fb);
  border-color: rgba(21, 94, 117, 0.45);
}

.vsd-btn--ghost:hover {
  transform: translateY(-1.5px);
  border-color: var(--vsd-primary-2);
}

/* =====================================
   HERO
   ===================================== */

.vsd-hero {
  position: relative;
  color: #f9fafb;
  background: #020617;
  isolation: isolate;
  overflow: hidden;
}

.vsd-hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 10% 20%, rgba(56, 189, 248, 0.18) 0, transparent 50%),
    radial-gradient(circle at 90% 80%, rgba(45, 212, 191, 0.26) 0, transparent 55%),
    linear-gradient(130deg, rgba(15, 23, 42, 0.97), rgba(15, 23, 42, 0.7)),
    var(--hero) center/cover no-repeat;
  opacity: 0.96;
}

.vsd-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(40px, 9vw, 80px);
  padding-bottom: clamp(72px, 11vw, 110px);
}

.vsd-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 48px);
  align-items: center;
}

/* Eyebrow */
.vsd-eyebrow {
  display: inline-flex;
  gap: 0.55rem;
  align-items: center;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: #a5f3fc;
}

.vsd-eyebrow::before {
  content: "";
  width: 30px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, #67e8f9, var(--vsd-accent));
}

.vsd-hero__copy h1 {
  margin: 0.65rem 0 0.7rem;
  font-size: clamp(2.1rem, 4.2vw, 3.2rem);
  font-weight: 900;
  line-height: 1.06;
}

.vsd-lead {
  margin: 0 0 1.4rem;
  max-width: 60ch;
  color: rgba(241, 245, 249, 0.95);
  font-size: clamp(0.98rem, 1.05vw, 1.05rem);
}

.vsd-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
}

.vsd-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.vsd-hero__tags span {
  font-size: 0.82rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid rgba(148, 163, 184, 0.6);
}

/* Hero side card */
.vsd-hero__card {
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.87));
  border-radius: 24px;
  padding: 1.5rem 1.6rem 1.25rem;
  border: 1px solid rgba(148, 163, 184, 0.34);
  box-shadow: var(--vsd-shadow-card);
}

.vsd-hero__card h2 {
  margin: 0 0 0.6rem;
  font-size: 1.12rem;
  font-weight: 800;
}

.vsd-hero__card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: #e5e7eb;
}

.vsd-hero__card li {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  margin: 0.22rem 0;
}

.vsd-hero__card .dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  margin-top: 0.4rem;
  background: linear-gradient(135deg, #22c55e, #a3e635);
}

.vsd-hero__meta {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  border-top: 1px solid rgba(148, 163, 184, 0.4);
  padding-top: 0.7rem;
}

.vsd-hero__meta div {
  display: grid;
  gap: 0.1rem;
}

.vsd-hero__meta strong {
  font-size: 1rem;
}

.vsd-hero__meta span {
  font-size: 0.8rem;
  color: #cbd5f5;
}

/* Skew */
.vsd-hero__skew {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -9vw;
  height: 13vw;
  background: var(--vsd-bg-page);
  transform: skewY(-6deg);
  transform-origin: 100% 0;
}

/* Hero responsive */
@media (max-width: 960px) {
  .vsd-hero__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .vsd-hero__card {
    max-width: 440px;
    margin: 0 auto;
  }
}

@media (max-width: 640px) {
  .vsd-hero__inner {
    padding-top: 56px;
    padding-bottom: 72px;
  }

  .vsd-hero__cta {
    flex-direction: column;
  }

  .vsd-btn {
    width: 100%;
    justify-content: center;
  }
}

/* =====================================
   INTRO
   ===================================== */

.vsd-intro {
  background: #ffffff;
  border-top: 1px solid var(--vsd-border);
  border-bottom: 1px solid var(--vsd-border);
}

.vsd-intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: clamp(18px, 3.5vw, 40px);
  align-items: flex-start;
}

.vsd-list {
  margin: 0.6rem 0 0;
  padding-left: 18px;
  font-size: 0.94rem;
  color: #111827;
}

.vsd-list--tight li {
  margin: 0.1rem 0;
}

.vsd-why {
  background: var(--vsd-soft);
  border-radius: var(--vsd-radius-md);
  padding: 1rem;
  border: 1px solid var(--vsd-border);
  font-size: 0.93rem;
}

.vsd-why h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 800;
  color: #0b3b3f;
}

@media (max-width: 880px) {
  .vsd-intro__grid {
    grid-template-columns: minmax(0, 1fr);
  }
}


/* =====================================
   BRAND STRIP (Extra big logos)
   ===================================== */

.plc-brand-strip {
  background: var(--plc-bg-page);
  padding: clamp(24px, 4.5vw, 38px) 0;
}

.plc-brand-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.plc-brand-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border-radius: 999px;
  border: 1px solid var(--plc-border);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.07);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* EXTRA BIG logo */
.plc-brand-logo {
  width: 140px;   /* bigger */
  height: 80px;   /* bigger */
  object-fit: contain;
  display: block;
}

/* Hover */
.plc-brand-pill:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.12);
}

.plc-brand-pill:active {
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 880px) {
  .plc-brand-strip__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .plc-brand-logo {
    width: 160px;
    height: 90px;
  }
}

@media (max-width: 560px) {
  .plc-brand-strip__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .plc-brand-logo {
    width: 200px;
    height: 110px;
  }

  .plc-brand-pill {
    padding: 22px 24px;
  }
}



/* =====================================
   VSD PLATFORMS – BIG PRODUCT CARDS
   ===================================== */

.vsd-platforms {
  background: #ffffff;
  border-top: 1px solid var(--vsd-border);
  border-bottom: 1px solid var(--vsd-border);
}

.vsd-platforms__head {
  max-width: 780px;
  margin: 0 auto clamp(24px, 4vw, 32px);
  text-align: center;
}

.vsd-platforms__list {
  display: grid;
  gap: clamp(18px, 3vw, 24px);
}

/* Large horizontal cards */
.vsd-card {
  background: #ffffff;
  border-radius: var(--vsd-radius-lg);
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: var(--vsd-shadow-card);
  padding: 1.2rem 1.35rem;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(16px, 2.8vw, 26px);
  align-items: center;
}

.vsd-card__copy {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.95rem;
}

.vsd-card__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: #0f172a;
  background: linear-gradient(90deg, #e0f2fe, #f9fafb);
  border-radius: 999px;
  padding: 0.28rem 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.55);
}

.vsd-card__brand::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--vsd-primary), var(--vsd-accent));
}

.vsd-card h3 {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 800;
  color: #0b3b3f;
}

.vsd-card p {
  margin: 0;
  color: var(--vsd-muted);
}

.vsd-card__list {
  margin: 0.4rem 0 0;
  padding-left: 18px;
  font-size: 0.92rem;
  color: #111827;
}

.vsd-card__media {
  border-radius: 18px;
  overflow: hidden;
  background:
    radial-gradient(circle at 0% 0%, #e0f2fe 0, transparent 55%),
    radial-gradient(circle at 100% 100%, #ccfbf1 0, transparent 55%);
}

.vsd-card__media img {
  width: 100%;
  height: auto;
  display: block;
}

/* Optional slight tint per platform */
.vsd-card--siemens .vsd-card__media {
  background: linear-gradient(135deg, #e0f2fe, #eff6ff);
}
.vsd-card--ab .vsd-card__media {
  background: linear-gradient(135deg, #fee2e2, #fef2f2);
}
.vsd-card--abb .vsd-card__media {
  background: linear-gradient(135deg, #fef3c7, #e0f2fe);
}
.vsd-card--schneider .vsd-card__media {
  background: linear-gradient(135deg, #ede9fe, #e0f2fe);
}

/* Responsive for big cards */
@media (max-width: 980px) {
  .vsd-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .vsd-card__media {
    max-width: 420px;
    margin: 0 auto;
  }
}

@media (max-width: 640px) {
  .vsd-card {
    padding: 1rem 1rem;
    border-radius: 20px;
  }
}

/* =====================================
   CTA
   ===================================== */

.vsd-cta {
  background: linear-gradient(180deg, #f9fafb, #e5edf5);
  border-top: 1px solid var(--vsd-border);
  padding: var(--vsd-section-y) 0;
}

.vsd-cta__wrap {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 0.7rem;
}

.vsd-cta__wrap h2 {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900;
}

.vsd-cta__wrap p {
  margin: 0;
  max-width: 70ch;
  color: var(--vsd-muted);
  font-size: 0.96rem;
}

.vsd-cta__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 0.2rem;
}

@media (max-width: 640px) {
  .vsd-cta__buttons {
    flex-direction: column;
    width: 100%;
  }

  .vsd-cta__buttons .vsd-btn {
    width: 100%;
  }
}

/* ===== VSD custom list bullets (same style as PLC/HMI) ===== */

/* remove default bullets + control spacing */
.vsd-list,
.vsd-card__list{
  list-style: none;
  padding-left: 0;
  margin: 0.6rem 0 0;
}

.vsd-list li,
.vsd-card__list li{
  position: relative;
  padding-left: 16px;     /* space for custom dot */
  margin: 0.35rem 0;
}

/* custom dot */
.vsd-list li::before,
.vsd-card__list li::before{
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  position: absolute;
  left: 0;
  top: 0.75em;
  transform: translateY(-50%);
  background: linear-gradient(135deg, var(--vsd-primary), var(--vsd-accent));
}

/* tighter list */
.vsd-list--tight li{
  margin: 0.2rem 0;
}