/* ============================================================
   AURORA IPTV — The Cinematic Neon Protocol Design System
   ============================================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Surface Hierarchy */
  --surface: #131313;
  --surface-dim: #131313;
  --surface-bright: #3a3939;
  --surface-container-lowest: #0e0e0e;
  --surface-container-low: #1c1b1b;
  --surface-container: #201f1f;
  --surface-container-high: #2a2a2a;
  --surface-container-highest: #353534;
  --surface-variant: #353534;

  /* Primary (WhatsApp Green) */
  --primary: #4ff07f;
  --primary-container: #25d366;
  --primary-fixed: #66ff8e;
  --primary-fixed-dim: #3de273;
  --on-primary: #003915;
  --on-primary-fixed: #002109;
  --on-primary-container: #005523;
  --on-primary-fixed-variant: #005322;
  --inverse-primary: #006d2f;
  --surface-tint: #3de273;

  /* Secondary (Neon Purple) */
  --secondary: #ddb7ff;
  --secondary-container: #6f00be;
  --secondary-fixed: #f0dbff;
  --secondary-fixed-dim: #ddb7ff;
  --on-secondary: #490080;
  --on-secondary-container: #d6a9ff;
  --on-secondary-fixed: #2c0051;
  --on-secondary-fixed-variant: #6900b3;

  /* Tertiary (Electric Cyan) */
  --tertiary: #00eaf9;
  --tertiary-container: #00ccd9;
  --tertiary-fixed: #7df4ff;
  --tertiary-fixed-dim: #00dbe9;
  --on-tertiary: #00363a;
  --on-tertiary-container: #005157;
  --on-tertiary-fixed: #002022;
  --on-tertiary-fixed-variant: #004f54;

  /* On-Surface */
  --on-surface: #e5e2e1;
  --on-surface-variant: #bbcbb9;
  --on-background: #e5e2e1;
  --inverse-surface: #e5e2e1;
  --inverse-on-surface: #313030;

  /* Outline */
  --outline: #869584;
  --outline-variant: #3c4a3d;

  /* Error */
  --error: #ffb4ab;
  --error-container: #93000a;
  --on-error: #690005;
  --on-error-container: #ffdad6;

  /* Typography Scale */
  --font-headline: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;

  --display-lg: 3.5rem;
  --display-md: 2.8125rem;
  --headline-lg: 2rem;
  --headline-md: 1.75rem;
  --title-lg: 1.375rem;
  --title-md: 1rem;
  --body-lg: 1rem;
  --body-md: 0.875rem;
  --body-sm: 0.75rem;
  --label-lg: 0.875rem;
  --label-md: 0.75rem;
  --label-sm: 0.6875rem;

  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--surface);
  color: var(--on-surface);
  font-family: var(--font-body);
  font-size: var(--body-lg);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection {
  background: var(--primary-container);
  color: var(--on-primary-fixed);
}

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

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

ul {
  list-style: none;
}

/* --- Utility Classes --- */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 3rem;
}

.container-sm {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 3rem;
}

.font-headline {
  font-family: var(--font-headline);
}

.text-center {
  text-align: center;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* --- Material Symbols --- */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
}

.material-symbols-outlined.filled {
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  will-change: background;
  transform: translateZ(0);
  box-shadow: 0 0 20px rgba(37, 211, 102, 0.08);
  transition: background var(--transition-base);
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.85);
}

.navbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 3rem;
  max-width: 1440px;
  margin: 0 auto;
}

.navbar__logo {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: -0.03em;
}

.navbar__links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.navbar__link {
  font-family: var(--font-headline);
  font-size: var(--body-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.45);
  transition: color var(--transition-base);
  position: relative;
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--primary);
}

.navbar__link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
  border-radius: var(--radius-full);
}

.navbar__cta {
  background: var(--primary-container);
  color: var(--on-primary-fixed);
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: var(--body-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-base);
  box-shadow: 0 0 20px rgba(37, 211, 102, 0.2);
}

.navbar__cta:hover {
  transform: scale(1.05);
  box-shadow: 0 0 30px rgba(37, 211, 102, 0.35);
}

.navbar__cta:active {
  transform: scale(0.95);
}

/* Mobile Menu Toggle */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  z-index: 110;
}

.navbar__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.navbar__toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__toggle.open span:nth-child(2) {
  opacity: 0;
}

.navbar__toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 5rem;
  overflow: hidden;
}

/* Video Background */
.hero__video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__video-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(180deg, rgba(19, 19, 19, 0.55) 0%, rgba(19, 19, 19, 0.7) 50%, rgba(19, 19, 19, 0.95) 100%),
    radial-gradient(circle at 50% 30%, rgba(111, 0, 190, 0.12), transparent 60%);
  z-index: 1;
}

.hero__grid {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 0 3rem;
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 860px;
  width: 100%;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.875rem;
  border-radius: var(--radius-full);
  background: rgba(0, 234, 249, 0.08);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(0, 234, 249, 0.2);
  margin-bottom: 1.5rem;
}

.hero__badge-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--radius-full);
  background: var(--tertiary);
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero__badge-text {
  font-size: var(--label-sm);
  font-weight: 700;
  color: var(--tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero__title {
  font-family: var(--font-headline);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
  width: 100%;
}

.hero__title-accent {
  background: linear-gradient(135deg, var(--primary), var(--tertiary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  width: 100%;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--primary-container);
  color: var(--on-primary-fixed);
  padding: 1rem 2rem;
  border-radius: var(--radius-xl);
  font-weight: 700;
  font-size: 1.1rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-base);
  box-shadow: 0 0 20px rgba(37, 211, 102, 0.2);
}

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 0 35px rgba(37, 211, 102, 0.35);
}

.btn-primary:active {
  transform: scale(0.95);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-xl);
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.15);
  transition: background var(--transition-base), border-color var(--transition-base);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.3);
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-it-works {
  padding: var(--space-5xl) 0;
  background: var(--surface-container-low);
  position: relative;
}

.section-title {
  font-family: var(--font-headline);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 900;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4xl);
}

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

.step-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.step-card__icon {
  width: 4rem;
  height: 4rem;
  border-radius: var(--radius-xl);
  background: var(--surface-container-highest);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.step-card:hover .step-card__icon {
  border-color: rgba(79, 240, 127, 0.4);
  box-shadow: 0 0 15px rgba(37, 211, 102, 0.1);
}

.step-card__icon .material-symbols-outlined {
  font-size: 1.875rem;
  color: var(--primary);
}

.step-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}

.step-card__desc {
  font-size: var(--body-sm);
  color: rgba(255, 255, 255, 0.35);
  max-width: 200px;
}

/* ============================================================
   FEATURES SECTION
   ============================================================ */
.features {
  padding: var(--space-5xl) 0;
  position: relative;
  overflow: hidden;
}

.features__video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.features__video-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.features__video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(180deg, rgba(19, 19, 19, 0.8) 0%, rgba(19, 19, 19, 0.65) 50%, rgba(19, 19, 19, 0.85) 100%),
    radial-gradient(circle at 50% 50%, rgba(37, 211, 102, 0.06), transparent 70%);
  z-index: 1;
}

.features > .container {
  position: relative;
  z-index: 2;
}

.section-subtitle {
  color: var(--on-surface-variant);
  max-width: 600px;
  margin: -3rem auto var(--space-4xl);
}

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

.feature-card {
  padding: 2.5rem;
  border-radius: var(--radius-2xl);
  background: rgba(30, 30, 30, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: border-color var(--transition-base), transform var(--transition-base), background var(--transition-base);
}

.feature-card:hover {
  border-color: rgba(79, 240, 127, 0.25);
  transform: translateY(-4px);
  background: var(--surface-container-highest);
}

.feature-card__icon {
  font-size: 3rem;
  margin-bottom: 2rem;
  display: block;
}

.feature-card__icon.green { color: var(--primary); }
.feature-card__icon.cyan { color: var(--tertiary); }
.feature-card__icon.purple { color: var(--secondary); }

.feature-card__title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
}

.feature-card__desc {
  color: var(--on-surface-variant);
  line-height: 1.7;
  font-size: var(--body-md);
}

/* ============================================================
   PRICING SECTION
   ============================================================ */
.pricing {
  padding: var(--space-5xl) 0;
  background: var(--surface-container-lowest);
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  align-items: start;
}

.plan-card {
  display: flex;
  flex-direction: column;
  padding: 2rem;
  border-radius: var(--radius-2xl);
  background: var(--surface-container-high);
  border: 1px solid rgba(255, 255, 255, 0.04);
  position: relative;
  transition: transform var(--transition-base);
}

.plan-card:hover {
  transform: scale(1.03);
}

.plan-card.popular {
  background: var(--surface-container-highest);
  border: 2px solid var(--primary);
  transform: scale(1.05);
  box-shadow: 0 0 40px rgba(37, 211, 102, 0.1);
  z-index: 2;
}

.plan-card.popular:hover {
  transform: scale(1.07);
}

.plan-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--on-primary-fixed);
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
  font-size: var(--label-sm);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.plan-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.4);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.plan-card.popular .plan-card__name {
  color: var(--primary);
}

.plan-card__price {
  margin-bottom: 2rem;
}

.plan-card__price-value {
  font-size: 3rem;
  font-weight: 900;
  color: #fff;
}

.plan-card__price-period {
  font-size: var(--body-md);
  color: rgba(255, 255, 255, 0.35);
}

.plan-card__features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.plan-card__feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--body-sm);
  color: var(--on-surface);
}

.plan-card__feature .material-symbols-outlined {
  font-size: 1.25rem;
  color: var(--primary);
}

.plan-card__feature.highlight {
  font-weight: 700;
}

.plan-card__feature.highlight .material-symbols-outlined {
  color: var(--primary);
}

.plan-card__cta {
  width: 100%;
  background: var(--primary-container);
  color: var(--on-primary-fixed);
  padding: 1rem;
  border-radius: var(--radius-xl);
  font-weight: 700;
  font-size: var(--body-md);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  transition: transform var(--transition-fast), box-shadow var(--transition-base);
  box-shadow: 0 0 15px rgba(37, 211, 102, 0.15);
}

.plan-card__cta:hover {
  transform: scale(1.03);
  box-shadow: 0 0 25px rgba(37, 211, 102, 0.3);
}

.plan-card__cta:active {
  transform: scale(0.97);
}

/* ============================================================
   SUPPORTED DEVICES
   ============================================================ */
.devices {
  padding: var(--space-4xl) 0;
  background: var(--surface);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.devices__title {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 3rem;
}

.devices__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4rem;
  opacity: 0.5;
  filter: grayscale(1);
  transition: opacity var(--transition-slow), filter var(--transition-slow);
}

.devices__grid:hover {
  opacity: 1;
  filter: grayscale(0);
}

.device-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  transition: color var(--transition-base);
}

.device-item .material-symbols-outlined {
  font-size: 3rem;
  transition: color var(--transition-base);
}

.device-item:hover .material-symbols-outlined {
  color: var(--primary);
}

.device-item__label {
  font-size: var(--label-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials {
  padding: var(--space-5xl) 0;
  background: var(--surface-container-low);
}

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

.testimonial-card {
  padding: 2rem;
  border-radius: var(--radius-2xl);
  background: var(--surface-container-high);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.testimonial-card:hover {
  border-color: rgba(79, 240, 127, 0.15);
  transform: translateY(-2px);
}

.testimonial-card__stars {
  display: flex;
  gap: 0.125rem;
  margin-bottom: 1.5rem;
}

.testimonial-card__stars .material-symbols-outlined {
  font-size: 1.25rem;
  color: var(--primary);
}

.testimonial-card__text {
  color: var(--on-surface);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 2rem;
  font-size: var(--body-md);
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-card__avatar {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-full);
  background: var(--surface-container-highest);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-weight: 700;
  font-size: var(--body-md);
}

.testimonial-card__name {
  font-weight: 700;
  color: #fff;
  font-size: var(--body-md);
}

.testimonial-card__role {
  font-size: var(--label-sm);
  color: rgba(255, 255, 255, 0.35);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================================
   FAQ SECTION
   ============================================================ */
.faq {
  padding: var(--space-5xl) 0;
  background: var(--surface);
}

.faq__list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--surface-container-high);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: background var(--transition-base);
}

.faq-item:hover {
  background: var(--surface-container-highest);
}

.faq-item__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  text-align: left;
  font-weight: 700;
  font-size: var(--body-lg);
  color: #fff;
  cursor: pointer;
  transition: background var(--transition-base);
}

.faq-item__question:hover {
  background: rgba(255, 255, 255, 0.03);
}

.faq-item__icon {
  transition: transform var(--transition-base);
  color: var(--primary);
  flex-shrink: 0;
}

.faq-item.open .faq-item__icon {
  transform: rotate(180deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-item.open .faq-item__answer {
  max-height: 300px;
}

.faq-item__answer-inner {
  padding: 0 2rem 1.5rem;
  color: var(--on-surface-variant);
  font-size: var(--body-md);
  line-height: 1.8;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--surface-container-lowest);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 5rem;
  padding-bottom: 2.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__logo {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 900;
  color: #fff;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.footer__about {
  color: rgba(255, 255, 255, 0.35);
  font-size: var(--body-sm);
  line-height: 1.8;
  max-width: 360px;
}

.footer__heading {
  font-family: var(--font-headline);
  font-size: var(--body-sm);
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer__link {
  font-size: var(--body-sm);
  color: rgba(255, 255, 255, 0.35);
  transition: color var(--transition-base);
}

.footer__link:hover {
  color: var(--primary);
}

.footer__contact-text {
  font-size: var(--body-sm);
  color: rgba(255, 255, 255, 0.35);
  line-height: 1.8;
}

.footer__chat-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  color: var(--primary);
  font-weight: 700;
  font-size: var(--body-sm);
  transition: transform var(--transition-base);
}

.footer__chat-link:hover {
  transform: translateX(8px);
}

.footer__chat-link .material-symbols-outlined {
  font-size: 1rem;
}

.footer__bottom {
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer__copyright {
  font-size: var(--body-sm);
  color: rgba(255, 255, 255, 0.2);
}

/* ============================================================
   AI CHATBOT WIDGET
   ============================================================ */
.chatbot-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.chatbot-toggle {
  width: 5.5rem;
  height: 5.5rem;
  background: transparent;
  padding: 0;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
  will-change: transform;
  transform: translateZ(0);
  box-shadow: none;
  overflow: visible;
}

.chatbot-icon-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(37, 211, 102, 0.4));
}

.chatbot-toggle:hover {
  transform: scale(1.12);
}

.chatbot-toggle:active {
  transform: scale(0.92);
}

.chatbot-toggle .material-symbols-outlined {
  font-size: 1.75rem;
}

.chatbot-window {
  position: absolute;
  bottom: 5rem;
  right: 0;
  width: 350px;
  height: 500px;
  max-height: calc(100vh - 100px);
  background: var(--surface-container-high);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.95);
  transform-origin: bottom right;
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}

.chatbot-window.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.chatbot-header {
  background: var(--surface-container-highest);
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.chatbot-header-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: #fff;
}

.chatbot-header-title .material-symbols-outlined {
  color: var(--primary);
}

.chatbot-close {
  color: var(--on-surface-variant);
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.chatbot-close:hover {
  color: #fff;
  transform: scale(1.1);
}

.chatbot-messages {
  flex: 1;
  padding: 1.25rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chat-message {
  display: flex;
  max-width: 85%;
}

.chat-message.ai {
  align-self: flex-start;
}

.chat-message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-message .message-content {
  padding: 0.75rem 1rem;
  border-radius: 1rem;
  font-size: 0.9rem;
  line-height: 1.4;
  word-wrap: break-word;
}

.chat-message.ai .message-content {
  background: var(--surface-container-lowest);
  color: #fff;
  border-bottom-left-radius: 0.25rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.chat-message.user .message-content {
  background: var(--primary-container);
  color: var(--on-primary-fixed);
  border-bottom-right-radius: 0.25rem;
}

.chatbot-input-area {
  display: flex;
  padding: 1rem;
  background: var(--surface-container-highest);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  gap: 0.5rem;
}

.chatbot-input-area input {
  flex: 1;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-full);
  color: #fff;
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-base);
}

.chatbot-input-area input:focus {
  border-color: var(--primary);
}

.chatbot-input-area input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.chatbot-send {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: var(--on-primary-fixed);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.chatbot-send:hover {
  transform: scale(1.05);
}

.chatbot-send:active {
  transform: scale(0.95);
}

.chatbot-send .material-symbols-outlined {
  font-size: 1.25rem;
  margin-left: 2px;
}

.chat-typing {
  display: flex;
  gap: 4px;
  padding: 10px 14px;
  background: var(--surface-container-lowest);
  border-radius: 1rem;
  border-bottom-left-radius: 0.25rem;
  width: fit-content;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.chat-typing span {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  animation: typing-bounce 1.4s infinite both;
}

.chat-typing span:nth-child(1) { animation-delay: -0.32s; }
.chat-typing span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing-bounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

@media (max-width: 768px) {
  .chatbot-window {
    width: 320px;
    height: 450px;
  }
}

@media (max-width: 480px) {
  .chatbot-window {
    position: fixed;
    top: auto;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 80vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    max-height: none;
  }
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes fab-pulse {
  0%, 100% { box-shadow: 0 8px 30px rgba(37, 211, 102, 0.3); }
  50% { box-shadow: 0 8px 40px rgba(37, 211, 102, 0.5); }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   MOBILE MENU OVERLAY
   ============================================================ */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(30px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu__link {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  transition: color var(--transition-base);
}

.mobile-menu__link:hover {
  color: var(--primary);
}

.mobile-menu__cta {
  margin-top: 1rem;
  background: var(--primary-container);
  color: var(--on-primary-fixed);
  padding: 1rem 2.5rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: 0 0 20px rgba(37, 211, 102, 0.2);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 4rem;
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__visual {
    display: none;
  }

  .how-it-works__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }

  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .plan-card.popular {
    transform: scale(1.02);
  }

  .testimonials__grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }

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

@media (max-width: 768px) {
  .container,
  .container-sm {
    padding: 0 1.5rem;
  }

  .navbar__inner {
    padding: 1rem 1.5rem;
  }

  .navbar__links {
    display: none;
  }

  .navbar__cta {
    display: none;
  }

  .navbar__toggle {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding-top: 7rem;
    padding-bottom: 4rem;
  }

  .hero__grid {
    padding: 0 1.5rem;
  }

  .hero__title {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .btn-primary,
  .btn-secondary {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    width: 100%;
    justify-content: center;
  }

  .how-it-works__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
    margin-bottom: var(--space-2xl);
  }

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

  .feature-card {
    padding: 2rem;
  }

  .pricing__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .plan-card.popular {
    transform: none;
  }

  .devices__grid {
    gap: 2rem;
  }

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

  .section-subtitle {
    margin-top: -2rem;
    margin-bottom: var(--space-2xl);
  }
}

@media (max-width: 480px) {
  .how-it-works__grid {
    grid-template-columns: 1fr;
  }

  .hero__actions {
    flex-direction: column;
  }
}