/* ============================================
   ZAPSUS - CSS Stylesheet
   Modern, Accessible, Responsive Design
   ============================================ */

/* ============================================
   CSS VARIABLES & ROOT
   ============================================ */
:root {
    /* Colors - Brand */
    --color-primary: #0284c7;
    --color-primary-dark: #0369a1;
    --color-primary-light: #38bdf8;
    --color-secondary: #64748b;
    --color-accent: #f59e0b;
    
    /* Colors - Neutrals */
    --color-white: #ffffff;
    --color-black: #0f172a;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    
    /* Colors - Semantic */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Layout */
    --container-max-width: 1280px;
    --header-height: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-gray-900);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

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

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

ul,
ol {
    list-style: none;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
}

.section {
    padding-top: var(--spacing-4xl);
    padding-bottom: var(--spacing-4xl);
}

@media (max-width: 768px) {
    .section {
        padding-top: var(--spacing-3xl);
        padding-bottom: var(--spacing-3xl);
    }
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section__tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    background-color: rgba(2, 132, 199, 0.1);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.section__title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 768px) {
    .section__title {
        font-size: var(--font-size-3xl);
    }
}

.section__description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

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

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

.btn-secondary {
    color: var(--color-gray-900);
    background-color: transparent;
    border-color: var(--color-gray-300);
}

.btn-secondary:hover {
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-400);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    margin-left: var(--spacing-sm);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: sticky;
    top: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: var(--z-sticky);
    transition: box-shadow var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    transition: opacity var(--transition-fast);
}

.nav__logo:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    color: var(--color-primary);
}

.nav__menu {
    display: flex;
    align-items: center;
}

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

.nav__link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -0.25rem;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

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

.nav__link:hover::after {
    width: 100%;
}

.nav__cta {
    padding: 0.5rem 1rem;
    color: var(--color-white);
    background-color: var(--color-primary);
    border-radius: var(--radius-md);
}

.nav__cta::after {
    display: none;
}

.nav__cta:hover {
    background-color: var(--color-primary-dark);
}

.nav__toggle {
    display: none;
    width: 2rem;
    height: 2rem;
    padding: 0.25rem;
    cursor: pointer;
}

.nav__hamburger {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-gray-900);
    position: relative;
    transition: background-color var(--transition-fast);
}

.nav__hamburger::before,
.nav__hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--color-gray-900);
    transition: transform var(--transition-base);
}

.nav__hamburger::before {
    top: -0.5rem;
}

.nav__hamburger::after {
    bottom: -0.5rem;
}

.nav__toggle.active .nav__hamburger {
    background-color: transparent;
}

.nav__toggle.active .nav__hamburger::before {
    transform: translateY(0.5rem) rotate(45deg);
}

.nav__toggle.active .nav__hamburger::after {
    transform: translateY(-0.5rem) rotate(-45deg);
}

@media (max-width: 1024px) {
    .nav__menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        max-height: 0;
        background-color: var(--color-white);
        border-bottom: 1px solid var(--color-gray-200);
        overflow: hidden;
        transition: max-height var(--transition-slow);
        box-shadow: var(--shadow-lg);
    }
    
    .nav__menu.active {
        max-height: 100vh;
    }
    
    .nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: var(--spacing-lg);
    }
    
    .nav__link {
        display: block;
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
    }
    
    .nav__link::after {
        display: none;
    }
    
    .nav__cta {
        margin-top: var(--spacing-md);
        text-align: center;
    }
    
    .nav__toggle {
        display: block;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    padding-top: calc(var(--header-height) + var(--spacing-4xl));
    overflow: hidden;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .hero__image {
        order: -1;
        justify-content: center;
        align-items: center;
        flex-direction: column;
    }
}

.hero__content {
    z-index: 10;
}

.hero__image {
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: var(--spacing-2xl);
}

.hero__susy-photo {
    width: clamp(880px, 30vw, 1280px);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    object-fit: cover;
}

.hero__tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    background-color: rgba(2, 132, 199, 0.1);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
}

.hero__title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 768px) {
    .hero__title {
        font-size: var(--font-size-4xl);
    }
}

.hero__description {
    font-size: var(--font-size-xl);
    line-height: var(--line-height-relaxed);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2xl);
}

.hero__buttons {
    display: flex;
    gap: var(--spacing-lg);
}

@media (max-width: 640px) {
    .hero__buttons {
        flex-direction: column;
    }

    .hero__susy-photo {
        width: min(200px, 65vw);
    }
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.hero__blob {
    position: absolute;
    width: 32rem;
    height: 32rem;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 8s ease-in-out infinite;
}

.hero__blob--1 {
    top: -10%;
    left: -10%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
}

.hero__blob--2 {
    bottom: -10%;
    right: -10%;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-gray-400));
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(20px, 20px) scale(1.05);
    }
}

/* ============================================
   CHAT MOCK
   ============================================ */
.chat-mock {
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    border: 1px solid var(--color-gray-200);
}

.chat-mock__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
}

.chat-mock__avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}

.chat-mock__name {
    font-weight: var(--font-weight-semibold);
}

.chat-mock__body {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.chat-message {
    display: flex;
}

.chat-message--user {
    justify-content: flex-end;
}

.chat-message--bot {
    justify-content: flex-start;
}

.chat-message__bubble {
    max-width: 80%;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.chat-message--user .chat-message__bubble {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-bottom-right-radius: var(--radius-sm);
}

.chat-message--bot .chat-message__bubble {
    background-color: var(--color-gray-100);
    color: var(--color-gray-900);
    border-bottom-left-radius: var(--radius-sm);
}

.chat-message__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.chat-message__footer {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-gray-200);
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

.chat-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xs);
    color: var(--color-gray-700);
}

.chat-badge svg {
    color: var(--color-success);
    flex-shrink: 0;
}

/* ============================================
   CONTEXT SECTION
   ============================================ */
.context {
    background: linear-gradient(to bottom, var(--color-white), var(--color-gray-50));
}

.context__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-4xl);
}

@media (max-width: 768px) {
    .context__grid {
        grid-template-columns: 1fr;
    }
}

.context__card {
    text-align: center;
}

.context__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 5rem;
    height: 5rem;
    margin: 0 auto var(--spacing-lg);
    border-radius: var(--radius-xl);
}

.context__icon--psychosocial {
    background: linear-gradient(135deg, #f59e0b, #fb923c);
    color: var(--color-white);
}

.context__icon--economic {
    background: linear-gradient(135deg, #ef4444, #f87171);
    color: var(--color-white);
}

.context__icon--health {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
}

.context__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.context__description {
    color: var(--color-gray-600);
}

.context__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

@media (max-width: 768px) {
    .context__stats {
        grid-template-columns: 1fr;
    }
}

.context__stat {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-2xl);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.context__stat-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary);
}

.context__stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
    background-color: var(--color-gray-50);
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

@media (max-width: 1024px) {
    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .features__grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    padding: var(--spacing-2xl);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.feature-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.5rem;
    height: 3.5rem;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(2, 132, 199, 0.1), rgba(2, 132, 199, 0.2));
    color: var(--color-primary);
    border-radius: var(--radius-lg);
}

.feature-card__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.feature-card__description {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    color: var(--color-gray-600);
}

/* ============================================
   BENEFITS SECTION
   ============================================ */
.benefits {
    background-color: var(--color-white);
}

.benefits__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

@media (max-width: 768px) {
    .benefits__grid {
        grid-template-columns: 1fr;
    }
}

.benefit-card {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-2xl);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.benefit-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.benefit-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    flex-shrink: 0;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg);
}

.benefit-card__metric {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.benefit-card__description {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

/* ============================================
   CARE SECTION
   ============================================ */
.care {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: var(--color-white);
}

.care__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

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

.care__content .section__tag {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

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

.care__features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.care__feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.care__feature svg {
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.care__feature p {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
}

/* Phone Mockup */
.phone-mockup {
    max-width: 24rem;
    margin: 0 auto;
    padding: 1rem;
    background: linear-gradient(135deg, #1e293b, #0f172a);
    border-radius: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.phone-mockup__screen {
    background-color: var(--color-white);
    border-radius: 2rem;
    overflow: hidden;
}

.chat-interface__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
}

.chat-interface__avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    overflow: hidden;
}

.chat-interface__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.chat-interface__name {
    font-weight: var(--font-weight-semibold);
}

.chat-interface__body {
    padding: var(--spacing-lg);
    max-height: 24rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.chat-interface__message {
    max-width: 85%;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.chat-interface__message--bot {
    align-self: flex-start;
    background-color: var(--color-gray-100);
    color: var(--color-gray-900);
}

.chat-interface__message--user {
    align-self: flex-end;
    background-color: var(--color-primary);
    color: var(--color-white);
    text-align: right;
}

.chat-interface__message p {
    margin-bottom: var(--spacing-xs);
}

.chat-interface__message p:last-child {
    margin-bottom: 0;
}

.chat-interface__input {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
}

.chat-interface__typing {
    display: flex;
    gap: var(--spacing-xs);
}

.chat-interface__typing span {
    width: 0.5rem;
    height: 0.5rem;
    background-color: var(--color-gray-400);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.chat-interface__typing span:nth-child(2) {
    animation-delay: 0.2s;
}

.chat-interface__typing span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.7;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* ============================================
   INTEGRATION SECTION
   ============================================ */
.integration {
    background-color: var(--color-white);
}

.integration__diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    max-width: 56rem;
    margin: 0 auto;
}

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

.integration__step--highlight {
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(2, 132, 199, 0.1), rgba(2, 132, 199, 0.2));
    border-radius: var(--radius-xl);
    border: 2px dashed var(--color-primary);
}

.integration__step-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.integration__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    background-color: var(--color-gray-100);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
}

.integration__step--highlight .integration__icon {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.integration__label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-700);
}

.integration__arrow {
    font-size: var(--font-size-2xl);
    color: var(--color-gray-400);
}

@media (max-width: 768px) {
    .integration__diagram {
        flex-direction: column;
    }
    
    .integration__arrow {
        transform: rotate(90deg);
    }
}

/* ============================================
   TEAM SECTION
   ============================================ */
.team {
    background-color: var(--color-gray-50);
}

.team__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

@media (max-width: 1024px) {
    .team__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .team__grid {
        grid-template-columns: 1fr;
    }
}

.team-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.team-card__image {
    width: 100%;
    height: 16rem;
    overflow: hidden;
    background-color: var(--color-gray-200);
}

.team-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-card__content {
    padding: var(--spacing-xl);
    text-align: center;
}

.team-card__name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.team-card__role {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: var(--line-height-relaxed);
}

.team-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.team-card__link:hover {
    color: var(--color-white);
    background-color: var(--color-primary);
}

/* ============================================
   ROADMAP SECTION
   ============================================ */
.roadmap {
    background-color: var(--color-white);
}

.roadmap__timeline {
    max-width: 48rem;
    margin: 0 auto;
    position: relative;
}

.roadmap__timeline::before {
    content: '';
    position: absolute;
    left: 1.5rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-primary-light));
}

.roadmap__item {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
    position: relative;
}

.roadmap__item:last-child {
    margin-bottom: 0;
}

.roadmap__marker {
    width: 3rem;
    height: 3rem;
    flex-shrink: 0;
    background-color: var(--color-primary);
    border-radius: 50%;
    border: 4px solid var(--color-white);
    box-shadow: var(--shadow-lg);
    z-index: 10;
}

.roadmap__content {
    flex: 1;
    padding: var(--spacing-lg);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-xl);
}

.roadmap__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.roadmap__description {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.roadmap__targets {
    display: flex;
    gap: var(--spacing-md);
}

.roadmap__target {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
}

.roadmap__target svg {
    color: var(--color-primary);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
}

.cta__content {
    max-width: 48rem;
    margin: 0 auto;
    text-align: center;
}

.cta__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-2xl);
}

@media (max-width: 768px) {
    .cta__title {
        font-size: var(--font-size-2xl);
    }
}

.cta .btn-primary {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.cta .btn-primary:hover {
    background-color: var(--color-gray-100);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    background-color: var(--color-gray-50);
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

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

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact__item {
    display: flex;
    gap: var(--spacing-lg);
}

.contact__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    flex-shrink: 0;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg);
}

.contact__label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.contact__value {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-900);
    transition: color var(--transition-fast);
}

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

/* Form Styles */
.contact__form {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

.form__label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-xs);
}

.form__input,
.form__textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: inherit;
    font-size: var(--font-size-base);
    color: var(--color-gray-900);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1);
}

.form__textarea {
    resize: vertical;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding-top: var(--spacing-4xl);
    padding-bottom: var(--spacing-2xl);
}

.footer__content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

@media (max-width: 1024px) {
    .footer__content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .footer__content {
        grid-template-columns: 1fr;
    }
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.footer__logo .logo-icon {
    color: var(--color-primary);
}

.footer__logo .logo-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
}

.footer__description {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    max-width: 20rem;
}

.footer__title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

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

.footer__link {
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.footer__text {
    font-size: var(--font-size-sm);
}

.footer__social {
    display: flex;
    gap: var(--spacing-md);
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    color: var(--color-gray-400);
    background-color: var(--color-gray-800);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.footer__social-link:hover {
    color: var(--color-white);
    background-color: var(--color-primary);
}

.footer__bottom {
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--color-gray-800);
    text-align: center;
}

.footer__copyright {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(1rem);
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-4px);
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus visible styles */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip to main content link */
.skip-to-main {
    position: absolute;
    top: -100%;
    left: 0;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-primary);
    color: var(--color-white);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    z-index: 9999;
}

.skip-to-main:focus {
    top: 0;
}

/* ============================================
   PITCH PAGE
   ============================================ */
.pitch-page {
    background: linear-gradient(180deg, var(--color-gray-50) 0%, #e6f4ff 60%, var(--color-gray-50) 100%);
}

.pitch-simple {
    padding-top: var(--spacing-4xl);
    padding-bottom: var(--spacing-4xl);
}

.pitch-simple__wrapper {
    width: 100%;
    max-width: none;
    padding-left: var(--spacing-xl);
    padding-right: var(--spacing-xl);
    margin-left: auto;
    margin-right: auto;
}

.pitch-simple__title {
    font-size: var(--font-size-5xl);
    line-height: var(--line-height-tight);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-gray-900);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.pitch-video__frame {
    position: relative;
    width: 100%;
    min-height: 70vh;
    background: var(--color-gray-900);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.pitch-video__frame video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background-color: #000;
}

.pitch-video__fallback {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-white);
    background: linear-gradient(135deg, rgba(2, 132, 199, 0.92), rgba(10, 76, 120, 0.9));
}

.pitch-video__frame.has-video .pitch-video__fallback {
    display: none;
}

.pitch-video__fallback h4 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.pitch-video__fallback p {
    margin: 0;
    color: rgba(255, 255, 255, 0.88);
}

.pitch-video__fallback code {
    display: inline-block;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    color: var(--color-white);
}

@media (max-width: 768px) {
    .pitch-simple__title {
        font-size: var(--font-size-4xl);
    }
    
    .pitch-simple__wrapper {
        padding-left: var(--spacing-lg);
        padding-right: var(--spacing-lg);
    }
    
    .pitch-video__frame {
        min-height: 50vh;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .header,
    .nav__toggle,
    .back-to-top,
    .btn {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }
    
    .section {
        page-break-inside: avoid;
    }
}