/* ========================================
   Marketing Digital Asturias - Styles
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --background: hsl(220, 20%, 7%);
    --foreground: hsl(210, 20%, 92%);
    --card: hsl(220, 18%, 10%);
    --card-foreground: hsl(210, 20%, 92%);
    --primary: hsl(160, 70%, 45%);
    --primary-foreground: hsl(220, 20%, 7%);
    --secondary: hsl(220, 15%, 15%);
    --secondary-foreground: hsl(210, 20%, 85%);
    --muted: hsl(220, 15%, 13%);
    --muted-foreground: hsl(215, 15%, 55%);
    --accent: hsl(36, 95%, 55%);
    --accent-foreground: hsl(220, 20%, 7%);
    --border: hsl(220, 15%, 18%);
    --input: hsl(220, 15%, 18%);
    --ring: hsl(160, 70%, 45%);
    
    /* Gradients */
    --gradient-hero: linear-gradient(135deg, hsl(220, 20%, 7%) 0%, hsl(210, 25%, 12%) 50%, hsl(170, 30%, 10%) 100%);
    --gradient-primary: linear-gradient(135deg, hsl(160, 70%, 45%), hsl(170, 80%, 35%));
    --gradient-accent: linear-gradient(135deg, hsl(36, 95%, 55%), hsl(28, 90%, 50%));
    --gradient-card: linear-gradient(145deg, hsl(220, 18%, 12%), hsl(220, 18%, 8%));
    
    /* Shadows */
    --shadow-glow: 0 0 40px -10px hsl(160, 70%, 45%, 0.3);
    --shadow-card: 0 4px 24px -4px hsl(0, 0%, 0%, 0.4);
    
    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    
    /* Spacing */
    --container-padding: 2rem;
    --section-padding: 6rem;
    
    /* Border Radius */
    --radius: 0.75rem;
    --radius-sm: calc(var(--radius) - 4px);
    --radius-md: calc(var(--radius) - 2px);
    --radius-lg: var(--radius);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

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

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

ul, ol {
    list-style: none;
}

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

input, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ========================================
   Utility Classes
   ======================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

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

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: var(--radius);
    transition: all 0.3s ease;
    white-space: nowrap;
    cursor: pointer;
}

.btn__icon {
    width: 1.25rem;
    height: 1.25rem;
}

.btn--sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

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

.btn--full {
    width: 100%;
}

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

.btn--primary:hover {
    background: hsl(160, 70%, 40%);
}

.btn--outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--foreground);
}

.btn--outline:hover {
    background: var(--secondary);
}

.btn--accent {
    background: var(--accent);
    color: var(--accent-foreground);
}

.btn--accent:hover {
    background: hsl(36, 95%, 50%);
}

.btn--glow {
    box-shadow: var(--shadow-glow);
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px -5px hsl(160, 70%, 45%, 0.3);
    }
    50% {
        box-shadow: 0 0 40px -5px hsl(160, 70%, 45%, 0.5);
    }
}

/* ========================================
   Navbar
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: hsla(220, 20%, 7%, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid hsla(220, 15%, 18%, 0.5);
}

.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.navbar__brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.125rem;
}

.navbar__icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--primary);
}

.navbar__dot {
    color: var(--primary);
}

.navbar__subtitle {
    color: var(--muted-foreground);
    font-weight: 400;
    font-size: 0.875rem;
}

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

.navbar__link {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar__link:hover {
    color: var(--foreground);
}

.navbar__toggle {
    display: none;
    color: var(--foreground);
    padding: 0.5rem;
}

.navbar__toggle svg {
    width: 1.5rem;
    height: 1.5rem;
}

.icon-close {
    display: none;
}

.navbar__toggle.active .icon-menu {
    display: none;
}

.navbar__toggle.active .icon-close {
    display: block;
}

.navbar__mobile {
    display: none;
    background: var(--background);
    border-bottom: 1px solid hsla(220, 15%, 18%, 0.5);
    padding: 1rem;
}

.navbar__mobile.active {
    display: block;
}

.navbar__mobile-link {
    display: block;
    padding: 0.75rem 0;
    color: var(--muted-foreground);
    transition: color 0.3s ease;
}

.navbar__mobile-link:hover {
    color: var(--foreground);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
}

.hero__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.hero__bg-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    opacity: 0.8;
}

.hero__content {
    position: relative;
    z-index: 10;
    padding: 5rem 0;
}

.hero__text {
    max-width: 48rem;
    animation: fade-up 0.8s ease-out;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 9999px;
    border: 1px solid hsla(160, 70%, 45%, 0.3);
    background: hsla(160, 70%, 45%, 0.1);
    padding: 0.375rem 1rem;
    margin-bottom: 2rem;
}

.hero__badge-icon {
    width: 1rem;
    height: 1rem;
    color: var(--primary);
}

.hero__badge span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
}

.hero__title {
    font-size: clamp(2.25rem, 5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero__description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--muted-foreground);
    max-width: 40rem;
    margin-bottom: 2.5rem;
    line-height: 1.75;
}

.hero__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

@keyframes fade-up {
    0% {
        opacity: 0;
        transform: translateY(40px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Sections
   ======================================== */
.section {
    padding: var(--section-padding) 0;
}

.section--alt {
    background: hsla(220, 15%, 15%, 0.3);
}

.section__header {
    text-align: center;
    margin-bottom: 4rem;
}

.section__label {
    display: block;
    color: var(--primary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
}

.section__title {
    font-size: clamp(1.875rem, 3vw, 2.5rem);
    margin-bottom: 1rem;
}

.section__description {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    max-width: 40rem;
    margin: 0 auto;
}

.section__cta {
    text-align: center;
    margin-top: 3.5rem;
    max-width: 40rem;
    margin-left: auto;
    margin-right: auto;
}

.section__cta-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.section__cta-text {
    color: var(--muted-foreground);
}

/* ========================================
   Problems Grid
   ======================================== */
.problems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 64rem;
    margin: 0 auto;
}

.problem-card {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    background: var(--gradient-card);
    border: 1px solid hsla(220, 15%, 18%, 0.5);
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px -8px hsl(0, 0%, 0%, 0.5);
}

.problem-card__icon {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-md);
    background: hsla(160, 70%, 45%, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.problem-card__icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--primary);
}

.problem-card__title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.problem-card__text {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* ========================================
   Services Grid
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    max-width: 72rem;
    margin: 0 auto;
}

.service-card {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid hsla(220, 15%, 18%, 0.5);
    background: var(--card);
    transition: all 0.3s ease;
}

.service-card:hover {
    border-color: hsla(160, 70%, 45%, 0.3);
    box-shadow: var(--shadow-glow);
}

.service-card__icon {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--radius-md);
    background: hsla(160, 70%, 45%, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: background 0.3s ease;
}

.service-card:hover .service-card__icon {
    background: hsla(160, 70%, 45%, 0.2);
}

.service-card__icon svg {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--primary);
}

.service-card__title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.service-card__text {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* ========================================
   Process Grid
   ======================================== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 64rem;
    margin: 0 auto;
}

.process-card {
    text-align: center;
    padding: 1.5rem;
    border-radius: 1rem;
    background: var(--card);
    border: 1px solid hsla(220, 15%, 18%, 0.5);
    box-shadow: var(--shadow-card);
}

.process-card__icon-wrapper {
    position: relative;
    width: 5rem;
    height: 5rem;
    margin: 0 auto 1.5rem;
    border-radius: 1rem;
    background: var(--gradient-card);
    border: 1px solid hsla(220, 15%, 18%, 0.5);
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    justify-content: center;
}

.process-card__icon {
    width: 2rem;
    height: 2rem;
    color: var(--primary);
}

.process-card__number {
    position: absolute;
    top: -0.75rem;
    right: -0.75rem;
    width: 2rem;
    height: 2rem;
    border-radius: 9999px;
    background: var(--accent);
    color: var(--accent-foreground);
    font-size: 0.75rem;
    font-family: var(--font-heading);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.process-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.process-card__text {
    color: var(--muted-foreground);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.process-card__list {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.process-card__item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

.process-card__check {
    width: 1rem;
    height: 1rem;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.process-cta {
    margin-top: 4rem;
    max-width: 56rem;
    margin-left: auto;
    margin-right: auto;
    padding: 2rem;
    border-radius: 1rem;
    background: var(--gradient-card);
    border: 1px solid hsla(220, 15%, 18%, 0.5);
    text-align: center;
}

.process-cta__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.process-cta__text {
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* ========================================
   Benefits Grid
   ======================================== */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 64rem;
    margin: 0 auto 5rem;
}

.benefit-card {
    text-align: center;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid hsla(220, 15%, 18%, 0.5);
    background: var(--card);
}

.benefit-card__icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-md);
    background: hsla(160, 70%, 45%, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.benefit-card__icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--primary);
}

.benefit-card__stat {
    font-size: 1.875rem;
    font-family: var(--font-heading);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.25rem;
}

.benefit-card__title {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.benefit-card__text {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* ========================================
   Testimonials
   ======================================== */
.testimonials-title {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 64rem;
    margin: 0 auto;
}

.testimonial-card {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    background: var(--gradient-card);
    border: 1px solid hsla(220, 15%, 18%, 0.5);
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
}

.testimonial-card__quote {
    width: 2rem;
    height: 2rem;
    color: hsla(160, 70%, 45%, 0.4);
    margin-bottom: 1rem;
}

.testimonial-card__text {
    color: hsla(210, 20%, 92%, 0.9);
    line-height: 1.6;
    flex: 1;
    margin-bottom: 1.5rem;
}

.testimonial-card__name {
    font-family: var(--font-heading);
    font-weight: 600;
}

.testimonial-card__role {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

/* ========================================
   Contact Section
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 56rem;
    margin: 0 auto;
}

.contact-info__title {
    font-size: clamp(1.875rem, 3vw, 2.5rem);
    margin-top: 0.75rem;
    margin-bottom: 1rem;
}

.contact-info__text {
    color: var(--muted-foreground);
    line-height: 1.6;
    margin-bottom: 2rem;
}

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

.contact-info__item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.contact-info__check {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--primary);
    flex-shrink: 0;
}

/* ========================================
   Contact Form
   ======================================== */
.contact-form {
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid hsla(220, 15%, 18%, 0.5);
    background: var(--card);
    box-shadow: var(--shadow-card);
}

.form-group {
    margin-bottom: 1rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--secondary);
    color: var(--foreground);
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input::placeholder {
    color: var(--muted-foreground);
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px hsla(160, 70%, 45%, 0.2);
}

.form-textarea {
    resize: none;
}

.form-note {
    font-size: 0.75rem;
    color: var(--muted-foreground);
    text-align: center;
    margin-top: 0.75rem;
}

.contact-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid hsla(160, 70%, 45%, 0.3);
    background: hsla(160, 70%, 45%, 0.05);
}

.contact-success__icon {
    width: 4rem;
    height: 4rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.contact-success__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.contact-success__text {
    color: var(--muted-foreground);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 3rem 0;
    border-top: 1px solid hsla(220, 15%, 18%, 0.5);
}

.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
}

.footer__icon {
    width: 1rem;
    height: 1rem;
    color: var(--primary);
}

.footer__copy {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

/* ========================================
   Chat Widget
   ======================================== */
.chat-widget {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1000;
}

.chat-widget__toggle {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 9999px;
    background: var(--primary);
    color: var(--primary-foreground);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px -5px hsla(160, 70%, 45%, 0.4);
    transition: all 0.3s ease;
    animation: bounce 2s infinite;
}

.chat-widget__toggle:hover {
    transform: scale(1.05);
    background: hsl(160, 70%, 40%);
}

.chat-widget__toggle svg {
    width: 1.5rem;
    height: 1.5rem;
}

.chat-widget__panel {
    display: none;
    position: absolute;
    bottom: 5rem;
    right: 0;
    width: 360px;
    max-width: calc(100vw - 2rem);
    height: min(520px, calc(100vh - 3rem));
    border-radius: 1rem;
    border: 1px solid var(--border);
    background: var(--background);
    box-shadow: 0 25px 50px -12px hsl(0, 0%, 0%, 0.5);
    flex-direction: column;
    overflow: hidden;
}

.chat-widget__panel.active {
    display: flex;
}

.chat-widget__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--primary);
    color: var(--primary-foreground);
}

.chat-widget__header-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chat-widget__header-icon {
    width: 1.25rem;
    height: 1.25rem;
}

.chat-widget__header-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
}

.chat-widget__close {
    color: var(--primary-foreground);
    padding: 0.25rem;
}

.chat-widget__close svg {
    width: 1.25rem;
    height: 1.25rem;
}

.chat-widget__messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.chat-message {
    max-width: 85%;
    padding: 0.75rem;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    white-space: pre-line;
    line-height: 1.5;
}

.chat-message--bot {
    background: var(--muted);
    color: var(--foreground);
    align-self: flex-start;
}

.chat-message--user {
    background: var(--primary);
    color: var(--primary-foreground);
    align-self: flex-end;
}

.chat-typing {
    background: var(--muted);
    color: var(--muted-foreground);
    border-radius: 0.75rem;
    padding: 0.75rem;
    font-size: 0.875rem;
    width: fit-content;
}

.chat-widget__form {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-top: 1px solid var(--border);
    padding: 0.5rem 0.75rem;
}

.chat-widget__input {
    flex: 1;
    background: transparent;
    font-size: 0.875rem;
    color: var(--foreground);
    border: none;
    outline: none;
}

.chat-widget__input::placeholder {
    color: var(--muted-foreground);
}

.chat-widget__send {
    color: var(--primary);
    padding: 0.5rem;
}

.chat-widget__send svg {
    width: 1rem;
    height: 1rem;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

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

/* Tablet */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-grid .process-card:last-child {
        grid-column: span 2;
        max-width: 50%;
        margin: 0 auto;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --section-padding: 4rem;
    }
    
    .navbar__links {
        display: none;
    }
    
    .navbar__toggle {
        display: block;
    }
    
    .problems-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
    }
    
    .process-grid .process-card:last-child {
        grid-column: span 1;
        max-width: 100%;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .hero__buttons {
        flex-direction: column;
    }
    
    .hero__buttons .btn {
        width: 100%;
    }
    
    .chat-widget__panel {
        width: calc(100vw - 1rem);
        right: -0.5rem;
        bottom: 4.5rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero__title {
        font-size: 2rem;
    }
    
    .section__title {
        font-size: 1.5rem;
    }
    
    .process-card__icon-wrapper {
        width: 4rem;
        height: 4rem;
    }
    
    .process-card__icon {
        width: 1.5rem;
        height: 1.5rem;
    }
}

/* ========================================
   Accessibility
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .animate-on-scroll {
        opacity: 1;
        transform: none;
    }
}

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

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: var(--primary-foreground);
    padding: 8px 16px;
    z-index: 100;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}