/* style.css — NxtGen Network Design Tokens + Components */

/* ===== FONTS ===== */
/* Montserrat for headings, Open Sans for body — NxtGen brand standards */

/* ===== DESIGN TOKENS ===== */
:root {
  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 8rem);

  /* Spacing (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Fonts */
  --font-display: 'Montserrat', 'Arial', sans-serif;
  --font-body: 'Open Sans', 'Helvetica Neue', sans-serif;

  /* NxtGen Dark Theme — Primary */
  --color-bg: #0D0D0D;
  --color-surface: #141414;
  --color-surface-2: #1A1A1A;
  --color-surface-offset: #111111;
  --color-divider: #2A2A2A;
  --color-border: #333333;

  /* Text */
  --color-text: #CCCCCC;
  --color-text-muted: #888888;
  --color-text-faint: #555555;
  --color-text-white: #FFFFFF;

  /* Primary Accent (NxtGen Orange) */
  --color-primary: #F05A28;
  --color-primary-hover: #C94820;
  --color-primary-active: #A83A18;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-max: 1400px;
  --content-full: 100%;
}

/* ===== GLOBAL ===== */
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--color-text-white);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover {
  color: var(--color-primary-hover);
}

.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container--narrow {
  max-width: var(--content-default);
}

.container--max {
  max-width: var(--content-max);
}

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  z-index: 1000;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.skip-link:focus {
  top: var(--space-2);
}

/* ===== HEADER / NAV ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13,13,13,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-max);
  margin-inline: auto;
  padding: var(--space-3) var(--space-4);
}

.header__logo img {
  height: 36px;
  width: auto;
}

.header__nav {
  display: none;
}

@media (min-width: 1024px) {
  .header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
  }
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.nav-link:hover {
  color: var(--color-text-white);
  background: rgba(255,255,255,0.05);
}
.nav-link svg {
  width: 12px;
  height: 12px;
  opacity: 0.5;
  transition: transform var(--transition-interactive);
}

/* Dropdown */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 0.2s var(--ease-out), transform 0.2s var(--ease-out), visibility 0.2s;
  box-shadow: var(--shadow-lg);
  list-style: none;
}
.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-item:hover .nav-link svg {
  transform: rotate(180deg);
}

.nav-dropdown a {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  text-decoration: none;
  transition: background var(--transition-interactive), color var(--transition-interactive);
}
.nav-dropdown a:hover {
  background: rgba(240,90,40,0.1);
  color: var(--color-primary);
}

/* Social icons in header */
.header__social {
  display: none;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
}
@media (min-width: 1024px) {
  .header__social {
    display: flex;
  }
}
.header__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.header__social a:hover {
  color: var(--color-text-white);
  background: rgba(255,255,255,0.08);
}
.header__social svg {
  width: 16px;
  height: 16px;
}

/* Mobile menu toggle */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text-white);
}
@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
}

/* Mobile nav */
.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(85vw, 360px);
  background: var(--color-surface);
  z-index: 200;
  transform: translateX(100%);
  transition: transform 0.35s var(--ease-out);
  overflow-y: auto;
  padding: var(--space-16) var(--space-6) var(--space-8);
}
.mobile-nav.is-open {
  transform: translateX(0);
}
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 199;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.mobile-overlay.is-open {
  opacity: 1;
  visibility: visible;
}
.mobile-nav__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-white);
}
.mobile-nav__list {
  list-style: none;
}
.mobile-nav__item {
  border-bottom: 1px solid var(--color-divider);
}
.mobile-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) 0;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text-white);
  text-transform: uppercase;
  text-decoration: none;
  letter-spacing: 0.03em;
}
.mobile-nav__link svg {
  width: 16px;
  height: 16px;
  opacity: 0.5;
  transition: transform 0.2s;
}
.mobile-nav__sub {
  list-style: none;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s var(--ease-out);
}
.mobile-nav__item.is-open .mobile-nav__sub {
  max-height: 400px;
}
.mobile-nav__item.is-open .mobile-nav__link svg {
  transform: rotate(180deg);
}
.mobile-nav__sub a {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}
.mobile-nav__sub a:hover {
  color: var(--color-primary);
}

/* Book Now button */
.btn-book {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-6);
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius-sm);
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.btn-book:hover {
  background: var(--color-primary-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-book:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-top: 60px;
}
.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(13,13,13,0.4) 0%,
    rgba(13,13,13,0.65) 50%,
    rgba(13,13,13,0.95) 100%
  );
  z-index: 1;
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: var(--space-8) var(--space-4);
}
.hero__eyebrow {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-4);
}
.hero__title {
  font-size: var(--text-3xl);
  font-weight: 900;
  color: var(--color-text-white);
  margin-bottom: var(--space-6);
  line-height: 1.05;
}
.hero__title span {
  color: var(--color-primary);
}
.hero__sub {
  font-size: var(--text-lg);
  color: var(--color-text);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
  line-height: 1.5;
}
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.hero__cta:hover {
  background: var(--color-primary-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(240,90,40,0.3);
}
.hero__cta:active {
  transform: translateY(0);
}

/* ===== TRUST BAR ===== */
.trust {
  padding: var(--space-12) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  overflow: hidden;
}
.trust__label {
  text-align: center;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-8);
}
.trust__track {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  animation: marquee 40s linear infinite;
  width: max-content;
}
.trust__track:hover {
  animation-play-state: paused;
}
.trust__logo {
  height: 44px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 6px 10px;
  opacity: 0.7;
  transition: opacity var(--transition-interactive);
}
.trust__logo:hover {
  opacity: 1;
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== SECTION SHARED ===== */
.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) 0;
}

.section__eyebrow {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-3);
}

.section__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.section__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.6;
}

/* ===== SERVICES ===== */
.services {
  background: var(--color-bg);
}

.services__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-divider);
  padding-bottom: var(--space-2);
}

.services__tab {
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: none;
  background: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-interactive), border-color var(--transition-interactive);
  white-space: nowrap;
}
.services__tab:hover {
  color: var(--color-text-white);
}
.services__tab.is-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.services__panel {
  display: none;
}
.services__panel.is-active {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}
@media (min-width: 768px) {
  .services__panel.is-active {
    grid-template-columns: 1fr 1fr;
  }
}

.services__info h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}
.services__info p {
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}
.services__offerings {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.services__offerings li {
  padding: var(--space-1) var(--space-3);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.services__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-8);
}

.services__icon {
  width: 120px;
  height: 120px;
  color: var(--color-primary);
  opacity: 0.3;
}

.services__visual--img {
  padding: 0;
  overflow: hidden;
  background: none;
  border: none;
}
.services__visual--img img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* ===== DISTRIBUTION / PLATFORMS ===== */
.platforms {
  background: var(--color-surface);
}
.platforms__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-8);
}
@media (min-width: 640px) {
  .platforms__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .platforms__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.platform-card {
  display: block;
  padding: var(--space-6);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: border-color var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.platform-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.platform-card__icon {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.platform-card__title {
  font-size: var(--text-lg);
  font-weight: 800;
  margin-bottom: var(--space-2);
  text-transform: none;
}
.platform-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ===== DIFFERENTIATORS ===== */
.diff {
  background: var(--color-bg);
}
.diff__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-8);
}
@media (min-width: 768px) {
  .diff__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.diff__item {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.diff__num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
}


.diff__title {
  font-size: var(--text-lg);
  font-weight: 800;
  margin-bottom: var(--space-3);
  text-transform: none;
}
.diff__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== PROCESS ===== */
.process {
  background: var(--color-surface);
}
.process__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-8);
  counter-reset: step;
}
@media (min-width: 768px) {
  .process__steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process__step {
  position: relative;
  padding: var(--space-6);
  counter-increment: step;
}
.process__step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 900;
  color: var(--color-primary);
  opacity: 0.2;
  display: block;
  margin-bottom: var(--space-3);
  line-height: 1;
}
.process__step h3 {
  font-size: var(--text-base);
  font-weight: 800;
  margin-bottom: var(--space-2);
  text-transform: none;
}
.process__step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Connector line between steps (desktop) */
@media (min-width: 768px) {
  .process__step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: calc(var(--space-6) + 1.8rem);
    right: -1rem;
    width: 2rem;
    height: 2px;
    background: var(--color-divider);
  }
}

/* ===== CTA BLOCK ===== */
.cta-block {
  padding: clamp(var(--space-16), 10vw, var(--space-32)) 0;
  text-align: center;
  background: var(--color-bg);
}
.cta-block__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}
.cta-block__sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding: var(--space-12) 0 var(--space-8);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer__brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  line-height: 1.5;
  max-width: 280px;
}
.footer__brand img {
  height: 32px;
  width: auto;
}

.footer__col h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
}
.footer__col ul {
  list-style: none;
}
.footer__col li {
  margin-bottom: var(--space-2);
}
.footer__col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer__col a:hover {
  color: var(--color-text-white);
}

.footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}
.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer__social {
  display: flex;
  gap: var(--space-3);
  list-style: none;
}
.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: color var(--transition-interactive), border-color var(--transition-interactive), background var(--transition-interactive);
}
.footer__social a:hover {
  color: var(--color-text-white);
  border-color: var(--color-primary);
  background: rgba(240,90,40,0.1);
}
.footer__social svg {
  width: 16px;
  height: 16px;
}
.footer__links {
  display: flex;
  gap: var(--space-4);
}
.footer__links a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
}
.footer__links a:hover {
  color: var(--color-text-white);
}

/* ===== SCROLL REVEALS ===== */
.fade-in {
  opacity: 1;
}
@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}
@keyframes reveal-fade {
  to { opacity: 1; }
}