/* ========================================
   CSS Variables & Reset
   ======================================== */

:root {
  /* Purple Color Palette */
  --color-primary: #7C3AED;
  --color-primary-dark: #6D28D9;
  --color-primary-light: #8B5CF6;
  --color-purple-50: #F5F3FF;
  --color-purple-100: #EDE9FE;
  
  /* Black & Greys */
  --color-black: #000000;
  --color-grey-900: #111827;
  --color-grey-800: #1F2937;
  --color-grey-700: #374151;
  --color-grey-600: #4B5563;
  --color-grey-500: #6B7280;
  --color-grey-400: #9CA3AF;
  --color-grey-300: #D1D5DB;
  --color-grey-200: #E5E7EB;
  --color-grey-100: #F3F4F6;
  --color-white: #FFFFFF;
  
  /* Accent Colors */
  --color-accent: #EC4899;
  --color-success: #10B981;
  
  /* Typography */
  --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  --spacing-4xl: 8rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-purple: 0 10px 40px rgba(124, 58, 237, 0.3);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-grey-700);
  background-color: var(--color-white);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 900;
  line-height: 1.2;
  color: var(--color-grey-900);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
}

p {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.7;
}

/* ========================================
   Container & Layout
   ======================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ========================================
   Header & Navigation
   ======================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(124, 58, 237, 0.2);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-white);
}

.nav__logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.nav__logo-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 4px rgba(124, 58, 237, 0.3));
}

.nav__menu {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}

.nav__menu a {
  color: var(--color-grey-200);
  font-weight: 600;
  font-size: 0.9rem;
  transition: color 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav__menu a:hover {
  color: var(--color-primary-light);
}

.nav__cta {
  background: var(--color-primary);
  color: var(--color-white) !important;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.nav__cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-purple);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav__toggle span {
  width: 25px;
  height: 3px;
  background: var(--color-white);
  transition: all 0.3s ease;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-purple);
}

.btn--large {
  padding: var(--spacing-lg) var(--spacing-3xl);
  font-size: 1.125rem;
}

/* ========================================
   Section Titles
   ======================================== */

.section__title {
  text-align: center;
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: var(--spacing-3xl);
  color: var(--color-grey-900);
  position: relative;
}

.section__title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--color-primary);
  margin: var(--spacing-md) auto 0;
  border-radius: 2px;
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  background: var(--color-black);
  color: var(--color-white);
  padding: calc(80px + var(--spacing-4xl)) 0 var(--spacing-4xl);
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 20%, rgba(124, 58, 237, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero__content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.hero__icon {
  margin-bottom: var(--spacing-xl);
  animation: float 6s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(124, 58, 237, 0.5));
}

.hero__icon svg {
  width: 220px;
  height: 220px;
}

@keyframes float {
  0%, 100% { 
    transform: translateY(0px); 
  }
  50% { 
    transform: translateY(-20px);
  }
}

.hero__title {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
  text-transform: none;
  font-weight: 700;
  max-width: 800px;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
}

.hero__brand {
  margin-bottom: var(--spacing-md);
}

.hero__brand-name {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.02em;
}

.hero__tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-grey-400);
  font-weight: 400;
  margin: 0;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.7;
  color: var(--color-grey-300);
  margin-bottom: var(--spacing-xl);
  max-width: 700px;
}

.hero__example {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
  max-width: 600px;
  width: 100%;
  backdrop-filter: blur(10px);
}

.hero__example p {
  color: var(--color-grey-200);
  font-size: 1.125rem;
  line-height: 1.8;
  margin: 0;
}

.hero__cta {
  margin-bottom: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.hero__platforms {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-grey-500);
  font-weight: 400;
}

.hero__upgrade {
  font-size: 0.9rem;
  color: var(--color-grey-500);
  font-weight: 400;
}

/* ========================================
   Problem Section
   ======================================== */

.problem {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-grey-100) 100%);
  text-align: center;
}

.problem__content {
  max-width: 1100px;
  margin: 0 auto;
}

.problem__pain-points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin: var(--spacing-3xl) 0;
}

.pain-point {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.pain-point:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-light);
}

.pain-point__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.pain-point__icon svg {
  width: 48px;
  height: 48px;
  transition: transform 0.3s ease;
}

.pain-point:hover .pain-point__icon svg {
  transform: scale(1.1);
}

.pain-point__text {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.6;
  color: var(--color-grey-700);
  margin: 0;
}

.pain-point__text strong {
  color: var(--color-grey-900);
  font-weight: 700;
}

.problem__divider {
  width: 120px;
  height: 4px;
  background: linear-gradient(90deg, transparent 0%, var(--color-primary) 50%, transparent 100%);
  margin: var(--spacing-3xl) auto;
  border-radius: 2px;
}

.problem__scenarios {
  margin: var(--spacing-3xl) 0;
}

.problem__subtitle {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--color-grey-900);
  margin-bottom: var(--spacing-xl);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.problem__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.scenario__card {
  background: rgba(124, 58, 237, 0.03);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 2px solid rgba(124, 58, 237, 0.1);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.scenario__card:hover {
  background: rgba(124, 58, 237, 0.08);
  border-color: var(--color-primary);
  transform: scale(1.05);
}

.scenario__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124, 58, 237, 0.1);
  border-radius: 50%;
  transition: all 0.3s ease;
  color: var(--color-primary);
}

.scenario__icon svg {
  width: 24px;
  height: 24px;
  transition: transform 0.3s ease;
}

.scenario__card:hover .scenario__icon {
  background: var(--color-primary);
  transform: rotate(5deg) scale(1.1);
  color: var(--color-white);
}

.scenario__card:hover .scenario__icon svg {
  transform: scale(1.1);
}

.scenario__card p {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-grey-700);
  margin: 0;
  text-align: center;
}

.scenario__card strong {
  color: var(--color-primary);
  font-weight: 700;
}

.problem__solution-box {
  margin-top: var(--spacing-3xl);
  padding: var(--spacing-3xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-purple);
  position: relative;
  overflow: hidden;
}

.problem__solution-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.problem__solution {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--color-white);
  margin: 0 0 var(--spacing-md) 0;
  font-weight: 700;
  line-height: 1.3;
  position: relative;
  z-index: 1;
}

.problem__tagline {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: rgba(255, 255, 255, 0.95);
  margin: 0;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

.problem__tagline strong {
  font-weight: 700;
  color: var(--color-white);
}

/* ========================================
   Value Section
   ======================================== */

.value {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  text-align: center;
}

.value__content {
  max-width: 900px;
  margin: 0 auto;
}

.section__title-large {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: var(--spacing-3xl);
  color: var(--color-white);
  line-height: 1.2;
}

.value__description {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
  color: rgba(255, 255, 255, 0.95);
}

.value__apps {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  margin: var(--spacing-xl) 0;
  color: var(--color-white);
}

.value__benefits {
  font-size: 1.125rem;
  line-height: 2;
  color: rgba(255, 255, 255, 0.9);
  margin-top: var(--spacing-xl);
}

/* ========================================
   Why SpeechBar Section
   ======================================== */

.why {
  padding: var(--spacing-4xl) 0;
  background: var(--color-white);
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.why__card {
  text-align: center;
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  background: var(--color-grey-100);
  transition: all 0.3s ease;
}

.why__card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  background: var(--color-white);
  border: 2px solid var(--color-primary);
}

.why__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
}

.why__title {
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: var(--spacing-md);
  color: var(--color-grey-900);
}

.why__description {
  color: var(--color-grey-600);
  line-height: 1.7;
}

/* ========================================
   Features Section
   ======================================== */

.features {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
}

.features .section__title {
  color: var(--color-white);
}

.features .section__title::after {
  background: var(--color-white);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.feature__card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.feature__card:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature__card--highlight {
  background: rgba(236, 72, 153, 0.2);
  border: 2px solid var(--color-accent);
}

.feature__number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

.feature__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-white);
}

.feature__description {
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.7;
}

/* ========================================
   Users Section
   ======================================== */

.users {
  padding: var(--spacing-4xl) 0;
  background: var(--color-grey-100);
}

.users__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1400px;
  margin: 0 auto;
}

.user__card {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.user__card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.user__card--featured {
  border: 3px solid var(--color-primary);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.user__card--featured:hover {
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-purple);
}

.user__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  transition: all 0.3s ease;
}

.user__icon svg {
  width: 40px;
  height: 40px;
}

.user__card:hover .user__icon {
  transform: scale(1.1) rotate(5deg);
  background: var(--color-primary-dark);
}

.user__card--featured .user__icon {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.4);
}

.user__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-grey-900);
}

.user__description {
  color: var(--color-grey-600);
  line-height: 1.7;
}

/* ========================================
   Testimonials Section
   ======================================== */

.testimonials {
  padding: var(--spacing-4xl) 0;
  background: var(--color-white);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
}

.testimonial__card {
  background: var(--color-grey-100);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  position: relative;
  border-left: 4px solid var(--color-primary);
  transition: all 0.3s ease;
}

.testimonial__card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateX(4px);
}

.testimonial__quote {
  color: var(--color-primary);
  opacity: 0.3;
  margin-bottom: var(--spacing-md);
}

.testimonial__text {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-grey-700);
  margin-bottom: var(--spacing-lg);
  font-style: italic;
}

.testimonial__author {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.testimonial__author strong {
  color: var(--color-grey-900);
  font-weight: 700;
}

.testimonial__author span {
  color: var(--color-grey-600);
  font-size: 0.9rem;
}

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

.cta {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, var(--color-black) 0%, var(--color-grey-900) 100%);
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 80% 50%, rgba(124, 58, 237, 0.3) 0%, transparent 50%);
  pointer-events: none;
}

.cta__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.cta__title {
  color: var(--color-white);
  text-transform: uppercase;
  margin-bottom: var(--spacing-lg);
}

.cta__subtitle {
  font-size: 1.25rem;
  color: var(--color-grey-200);
  margin-bottom: var(--spacing-xl);
}

.cta__buttons {
  margin-bottom: var(--spacing-lg);
}

.cta__note {
  color: var(--color-grey-400);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ========================================
   Emotional Close Section
   ======================================== */

.emotional-close {
  padding: var(--spacing-4xl) 0;
  background: var(--color-white);
  text-align: center;
}

.emotional-close__content {
  max-width: 800px;
  margin: 0 auto;
}

.emotional-close__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-grey-900);
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.emotional-close__text {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  line-height: 1.8;
  color: var(--color-grey-700);
  margin-bottom: var(--spacing-md);
}

.emotional-close__tagline {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--color-primary);
  font-style: italic;
}

/* ========================================
   Footer
   ======================================== */

.footer {
  background: var(--color-black);
  color: var(--color-grey-400);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-white);
}

.footer__logo img {
  width: 32px;
  height: 32px;
}

.footer__logo-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 4px rgba(124, 58, 237, 0.4));
}

.footer__brand p {
  color: var(--color-grey-400);
}

.footer__links h4 {
  color: var(--color-white);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.05em;
}

.footer__links ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__links a {
  color: var(--color-grey-400);
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer__links a:hover {
  color: var(--color-primary-light);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-grey-800);
  color: var(--color-grey-600);
  font-size: 0.875rem;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.98);
    flex-direction: column;
    padding: var(--spacing-xl);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    border-top: 1px solid rgba(124, 58, 237, 0.2);
  }
  
  .nav__menu.active {
    transform: translateX(0);
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .testimonials__grid {
    grid-template-columns: 1fr;
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
  }
  
  .hero {
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    min-height: auto;
  }
  
  .hero__icon svg {
    width: 180px;
    height: 180px;
  }
  
  .hero__example {
    padding: var(--spacing-lg);
  }
  
  .why, .features, .users, .testimonials, .cta, .problem, .value, .emotional-close {
    padding: var(--spacing-xl) 0;
  }
  
  .section__title {
    margin-bottom: var(--spacing-xl);
  }
  
  .problem__pain-points {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .problem__grid {
    grid-template-columns: 1fr;
  }
  
  .problem__solution-box {
    padding: var(--spacing-xl);
  }
}

@media (max-width: 480px) {
  .btn {
    width: 100%;
  }
  
  .hero__cta .btn {
    width: 100%;
  }
  
  .hero__icon svg {
    width: 150px;
    height: 150px;
  }
  
  .hero__example {
    padding: var(--spacing-md);
  }
  
  .hero__example p {
    font-size: 1rem;
  }
  
  .pain-point {
    padding: var(--spacing-md);
  }
  
  .pain-point__icon {
    width: 56px;
    height: 56px;
  }
  
  .pain-point__icon svg {
    width: 40px;
    height: 40px;
  }
  
  .scenario__card {
    padding: var(--spacing-md);
  }
}

/* ========================================
   Animations
   ======================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.hero__icon {
  animation: fadeIn 1s ease-out;
}

.hero__title {
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero__brand {
  animation: fadeInUp 0.8s ease-out 0.3s backwards;
}

.hero__subtitle {
  animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.hero__example {
  animation: fadeInUp 0.8s ease-out 0.5s backwards;
}

.hero__cta {
  animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.hero__upgrade {
  animation: fadeInUp 0.8s ease-out 0.7s backwards;
}

/* ========================================
   Utility Classes
   ======================================== */

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }