/* ============================================
   NEXTPULSE PRO — global.css
   Variables, reset, typography, nav, footer
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,300&display=swap');

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
  --bg:             #0B1C23;
  --bg-surface:     #0E2130;
  --bg-card:        #142A38;
  --bg-card-hover:  #1A3345;
  --cyan:           #00C8E0;
  --cyan-dim:       rgba(0, 200, 224, 0.10);
  --cyan-glow:      rgba(0, 200, 224, 0.28);
  --silver:         #8EAAB8;
  --silver-dim:     rgba(142, 170, 184, 0.12);
  --white:          #F4F8FA;

  --col-control:    #8EAAB8;
  --col-versatile:  #00C8E0;
  --col-power:      #E0A800;
  --col-intuitive:  #4ECFA0;

  --font-display:   'Barlow Condensed', sans-serif;
  --font-body:      'DM Sans', sans-serif;

  --section-pad:    clamp(5rem, 9vw, 9rem);
  --container:      1300px;
  --gutter:         clamp(1.5rem, 5vw, 4rem);
  --nav-h:          74px;

  --ease:           cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --t-fast:         0.18s;
  --t-mid:          0.35s;
  --t-slow:         0.65s;

  --border:         1px solid rgba(142, 170, 184, 0.12);
  --border-cyan:    1px solid rgba(0, 200, 224, 0.4);
  --border-hover:   1px solid rgba(142, 170, 184, 0.3);
}

/* ============================================
   RESET
   ============================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Fix: prevent content going under fixed nav on anchor jumps */
  scroll-padding-top: calc(var(--nav-h) + 1rem);
}

body {
  background-color: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
}

img, video  { display: block; max-width: 100%; height: auto; }
a           { color: inherit; text-decoration: none; }
ul, ol      { list-style: none; }
button      { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ============================================
   TYPOGRAPHY
   ============================================ */
.display-xl {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 11vw, 10rem);
  font-weight: 800;
  line-height: 0.9;
  text-transform: uppercase;
}

.display-lg {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6.5vw, 6rem);
  font-weight: 700;
  line-height: 0.93;
  text-transform: uppercase;
}

.display-md {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.75rem);
  font-weight: 700;
  line-height: 0.96;
  text-transform: uppercase;
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  display: block;
}

.body-lg { font-size: 1.125rem; font-weight: 300; line-height: 1.8;  color: var(--silver); }
.body-md { font-size: 1rem;     font-weight: 400; line-height: 1.75; color: var(--silver); }
.body-sm { font-size: 0.875rem; font-weight: 400; line-height: 1.65; color: var(--silver); }

/* ============================================
   LAYOUT
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section { padding: var(--section-pad) 0; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.9rem 2.5rem;
  border-radius: 2px;
  transition: all var(--t-fast) var(--ease);
  white-space: nowrap;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--cyan);
  color: var(--bg);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 35px var(--cyan-glow);
  filter: brightness(1.08);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: var(--border-cyan);
}
.btn-outline:hover {
  background: var(--cyan-dim);
  color: var(--cyan);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--silver);
  border: var(--border);
  padding: 0.75rem 1.75rem;
}
.btn-ghost:hover {
  border-color: var(--silver);
  color: var(--white);
}

.btn .icon-arrow { transition: transform var(--t-fast) var(--ease); }
.btn:hover .icon-arrow { transform: translateX(5px); }

/* ============================================
   SECTION HEADER
   ============================================ */
.section-header { margin-bottom: clamp(3rem, 6vw, 5.5rem); }
.section-header .eyebrow { margin-bottom: 1.1rem; }
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 0.94;
  margin-bottom: 1.5rem;
}
.section-header p {
  font-size: 1.05rem;
  color: var(--silver);
  max-width: 520px;
  font-weight: 300;
  line-height: 1.8;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--bg-card);
  border: var(--border);
  border-radius: 3px;
  overflow: hidden;
  transition: all var(--t-mid) var(--ease);
}
.card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(142, 170, 184, 0.28);
  transform: translateY(-5px);
}

/* ============================================
   SPEC TABLE (shared across pages)
   ============================================ */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 2.5rem;
}
.spec-table tr { border-bottom: var(--border); }
.spec-table tr:last-child { border-bottom: none; }
.spec-table td {
  padding: 0.8rem 0;
  font-size: 0.88rem;
  vertical-align: top;
}
.spec-table td:first-child {
  color: var(--silver);
  font-weight: 300;
  width: 42%;
}
.spec-table td:last-child {
  color: var(--white);
  font-weight: 500;
  font-family: var(--font-display);
  letter-spacing: 0.03em;
  font-size: 0.9rem;
}

.spec-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-radius: 2px;
  background: var(--cyan-dim);
  color: var(--cyan);
  border: var(--border-cyan);
}

.spec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.spec-list li {
  font-size: 0.85rem;
  color: var(--white);
  padding-left: 0.75rem;
  position: relative;
}
.spec-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-size: 0.7rem;
}

/* ============================================
   CTA BANNER (shared)
   ============================================ */
.cta-banner {
  background: var(--bg-surface);
  border-top: var(--border);
  border-bottom: var(--border);
  padding: clamp(4rem, 7vw, 7rem) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: 'NEXTPULSE';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: clamp(6rem, 18vw, 18rem);
  font-weight: 800;
  text-transform: uppercase;
  color: rgba(142,170,184,0.03);
  white-space: nowrap;
  pointer-events: none;
}
.cta-banner__content { position: relative; z-index: 1; }
.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 5rem);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 0.94;
  margin-bottom: 1.5rem;
}
.cta-banner p {
  font-size: 1.05rem;
  color: var(--silver);
  font-weight: 300;
  max-width: 480px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
}
.cta-banner .btn { margin: 0 0.5rem; }

/* ============================================
   DIVIDERS
   ============================================ */
.divider       { width: 100%; height: 1px; background: rgba(142,170,184,0.1); margin: 3rem 0; }
.divider-short { width: 48px; height: 3px; background: var(--cyan); margin: 1.25rem 0; }

/* ============================================
   REVEAL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--t-slow) var(--ease),
              transform var(--t-slow) var(--ease);
}
.reveal.visible        { opacity: 1; transform: translateY(0); }
.reveal-delay-1        { transition-delay: 0.1s; }
.reveal-delay-2        { transition-delay: 0.2s; }
.reveal-delay-3        { transition-delay: 0.3s; }
.reveal-delay-4        { transition-delay: 0.4s; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--t-mid) var(--ease),
              border-color var(--t-mid) var(--ease),
              box-shadow var(--t-mid) var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(11, 28, 35, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: rgba(142, 170, 184, 0.1);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

.nav__inner {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}
.nav__logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
}
.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1;
}
.nav__logo-text em { font-style: normal; color: var(--cyan); }

/* Links */
.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.nav__link {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver);
  transition: color var(--t-fast);
  position: relative;
  padding-bottom: 3px;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--cyan);
  transition: width var(--t-fast) var(--ease);
}
.nav__link:hover,
.nav__link.active        { color: var(--white); }
.nav__link:hover::after,
.nav__link.active::after { width: 100%; }

/* Right side: lang + cta + burger */
.nav__right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-shrink: 0;
}

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.lang-btn {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.2rem 0.1rem;
  transition: color var(--t-fast);
}
.lang-btn:hover,
.lang-btn.active { color: var(--cyan); }
.lang-sep {
  color: var(--silver);
  opacity: 0.3;
  font-size: 0.75rem;
}
.lang-switcher--mobile {
  margin: 0.5rem 0;
}

/* Nav CTA */
.nav__cta {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.6rem 1.5rem;
  border: var(--border-cyan);
  color: var(--cyan);
  border-radius: 2px;
  transition: all var(--t-fast);
}
.nav__cta:hover { background: var(--cyan); color: var(--bg); }

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 1px;
  transition: all var(--t-fast);
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0; bottom: 0;
  background: var(--bg);
  z-index: 199;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-mid);
}
.nav__mobile.open  { opacity: 1; pointer-events: all; }
.nav__mobile .nav__link { font-size: 2rem; color: var(--white); }

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
  padding: calc(var(--nav-h) + 1rem) 0 0.75rem;
  background: var(--bg-surface);
  border-bottom: var(--border);
}
.breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--silver);
}
.breadcrumb a { color: var(--silver); transition: color var(--t-fast); }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb__sep { opacity: 0.4; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg-surface);
  border-top: var(--border);
  padding: 5.5rem 0 2.5rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer__brand-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.footer__brand-logo em { font-style: normal; color: var(--cyan); }

.footer__brand p {
  font-size: 0.9rem;
  color: var(--silver);
  max-width: 260px;
  line-height: 1.8;
  font-weight: 300;
}
.footer__tagline {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-top: 1rem;
  opacity: 0.6;
}
.footer__contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 1.25rem;
}
.footer__contact-info a,
.footer__contact-info span {
  font-size: 0.85rem;
  color: var(--silver);
  font-weight: 300;
  transition: color var(--t-fast);
}
.footer__contact-info a:hover { color: var(--cyan); }

.footer__col-title {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1.5rem;
}
.footer__links { display: flex; flex-direction: column; gap: 0.8rem; }
.footer__links a {
  font-size: 0.88rem;
  color: var(--silver);
  font-weight: 300;
  transition: color var(--t-fast);
}
.footer__links a:hover { color: var(--cyan); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: var(--border);
}
.footer__copy { font-size: 0.78rem; color: var(--silver); opacity: 0.4; }

/* ============================================
   PAGE HERO (inner pages)
   ============================================ */
.page-hero {
  padding: calc(var(--nav-h) + 4rem) 0 4rem;
  background: var(--bg-surface);
  border-bottom: var(--border);
}
.page-hero .eyebrow { margin-bottom: 1rem; }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 7rem);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 0.9;
  margin-bottom: 1.5rem;
}
.page-hero p {
  font-size: 1.05rem;
  color: var(--silver);
  max-width: 520px;
  font-weight: 300;
  line-height: 1.8;
}

/* ============================================
   PADDLE CARDS (homepage + collection)
   ============================================ */
.paddle-card {
  position: relative;
  background: var(--bg-card);
  border: var(--border);
  border-radius: 3px;
  overflow: hidden;
  transition: all var(--t-mid) var(--ease);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
.paddle-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--card-accent, var(--silver));
  transition: height var(--t-mid) var(--ease);
}
.paddle-card:hover {
  transform: translateY(-6px);
  border-color: var(--card-accent, var(--silver));
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}
.paddle-card:hover::before { height: 4px; }

.paddle-card__img {
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--bg-surface);
}
.paddle-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow) var(--ease);
}
.paddle-card:hover .paddle-card__img img { transform: scale(1.04); }

.paddle-card__body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.paddle-card__shape {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--card-accent, var(--silver));
  margin-bottom: 0.5rem;
}
.paddle-card__name {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 0.75rem;
}
.paddle-card__tagline {
  font-size: 0.88rem;
  color: var(--silver);
  font-weight: 300;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex: 1;
}
.paddle-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: var(--border);
}
.paddle-card__level {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--silver);
}
.paddle-card__arrow {
  width: 36px;
  height: 36px;
  border: var(--border);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--silver);
  transition: all var(--t-fast);
  font-size: 1rem;
}
.paddle-card:hover .paddle-card__arrow {
  border-color: var(--card-accent, var(--silver));
  color: var(--card-accent, var(--silver));
}

/* ============================================
   FORM ELEMENTS (shared)
   ============================================ */
.form-group { margin-bottom: 1.5rem; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver);
  margin-bottom: 0.6rem;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--bg);
  border: var(--border);
  border-radius: 2px;
  color: var(--white);
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  outline: none;
  appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}
.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: rgba(224, 80, 80, 0.6);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--silver); opacity: 0.35; }
.form-textarea  { resize: vertical; min-height: 130px; }
.form-select    { cursor: pointer; }
.form-select option { background: var(--bg-card); color: var(--white); }
.form-submit    { width: 100%; justify-content: center; }

.form-feedback {
  display: none;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  border-radius: 2px;
  font-size: 0.88rem;
  margin-top: 1rem;
}
.form-feedback--success {
  background: rgba(78, 207, 160, 0.1);
  border: 1px solid rgba(78, 207, 160, 0.3);
  color: var(--col-intuitive);
}
.form-feedback--error {
  background: rgba(224, 80, 80, 0.1);
  border: 1px solid rgba(224, 80, 80, 0.3);
  color: #e05050;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .grid-4        { grid-template-columns: repeat(2, 1fr); }
  .footer__grid  { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav__links,
  .nav__cta       { display: none; }
  .nav__hamburger { display: flex; }
  .nav__mobile    { display: flex; }
  .nav__right     { gap: 0.75rem; }

  .grid-2,
  .grid-3         { grid-template-columns: 1fr; }
  .grid-4         { grid-template-columns: 1fr; }

  .footer__grid   { grid-template-columns: 1fr; gap: 2rem; }
  .footer__brand  { grid-column: auto; }
  .footer__bottom { flex-direction: column; gap: 1rem; text-align: center; }

  .form-row       { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .cta-banner .btn { display: flex; width: 100%; justify-content: center; margin: 0.4rem 0; }
}