/* ====================================
   VARIABLES CSS
   ==================================== */

:root {
    --primary-dark: #0F172A;
    --primary-blue: #2563EB;
    --accent-teal: #14B8A6;
    --white: #FFFFFF;
    --light-gray: #F8FAFC;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-400: #9CA3AF;
    --gray-600: #4B5563;
    --gray-800: #1F2937;
    
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-family-display: 'Poppins', 'Inter', sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease-out;
    
    --spacing-unit: 1rem;
    --container-max-width: 1200px;
    
    --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);
}

/* ====================================
   RESET & BASE STYLES
   ==================================== */

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family-primary);
    background-color: var(--white);
    color: var(--gray-800);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    color: var(--primary-dark);
}

p {
    margin-bottom: 1rem;
    color: var(--gray-600);
}

a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--accent-teal);
}

/* ====================================
   CONTAINER
   ==================================== */

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}

/* ====================================
   TYPOGRAPHY
   ==================================== */

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: 600;
}

p {
    font-size: clamp(0.95rem, 1vw, 1rem);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin-bottom: 0.75rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray-600);
    max-width: 500px;
    margin: 0 auto;
}

/* ====================================
   BUTTONS
   ==================================== */

.btn {
    padding: 0.75rem 1.75rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-family: var(--font-family-primary);
    text-align: center;
    display: inline-block;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-teal));
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn--primary:active {
    transform: translateY(0);
}

.btn--secondary {
    background-color: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn--secondary:hover {
    background-color: #EFF6FF;
    border-color: var(--accent-teal);
    color: var(--accent-teal);
}

.btn--large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* ====================================
   NAVBAR
   ==================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.navbar__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    gap: 2rem;
}

.navbar__logo {
    flex-shrink: 0;
}

.logo-img {
    height: 40px;
    width: auto;
    display: block;
}

.navbar__menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    flex: 1;
    justify-content: center;
}

.nav-link {
    color: var(--gray-600);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.navbar__cta {
    flex-shrink: 0;
    padding: 0.6rem 1.5rem;
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 0.4rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.navbar__cta:hover {
    background: var(--accent-teal);
    transform: translateY(-2px);
}

/* Responsive Navbar */
@media (max-width: 768px) {
    .navbar__menu {
        display: none;
    }
    
    .navbar__container {
        padding: 0.75rem 1rem;
    }
}

/* ====================================
   HERO SECTION
   ==================================== */

.hero {
    padding: 8rem 0 6rem;
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    overflow: hidden;
    position: relative;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero__content {
    z-index: 2;
}

.hero__title {
    line-height: 1.3;
    margin-bottom: 1.5rem;
    color: var(--primary-dark);
}

.hero__subtitle {
    font-size: 1.15rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__mockup {
    width: 100%;
    max-width: 400px;
    animation: float 3s ease-in-out infinite;
}

.mockup-illustration {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 25px rgba(0, 0, 0, 0.1));
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 6rem 0 4rem;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
    }
    
    .hero__ctas {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

/* ====================================
   PROBLEMS SECTION
   ==================================== */

.problems {
    padding: 6rem 0;
    background-color: var(--white);
}

.problems__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.problem-card {
    padding: 2rem;
    border-radius: 0.75rem;
    background: linear-gradient(135deg, var(--light-gray), var(--white));
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.problem-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.problem-card h3 {
    margin-bottom: 0.75rem;
    color: var(--primary-dark);
}

.problem-card p {
    font-size: 0.95rem;
    color: var(--gray-600);
}

/* ====================================
   BENEFITS SECTION
   ==================================== */

.benefits {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--light-gray) 100%);
}

.benefits__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.benefit-card {
    padding: 2rem;
    background: var(--white);
    border-radius: 0.75rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    width: 3rem;
    height: 3rem;
    margin: 0 auto 1rem;
    color: var(--primary-blue);
    stroke-width: 1.5;
}

.benefit-card h3 {
    margin-bottom: 0.75rem;
    color: var(--primary-dark);
}

.benefit-card p {
    font-size: 0.95rem;
    color: var(--gray-600);
}

/* ====================================
   SERVICES SECTION
   ==================================== */

.services {
    padding: 6rem 0;
    background-color: var(--white);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2rem;
    background: linear-gradient(135deg, var(--light-gray), var(--white));
    border: 1px solid rgba(37, 99, 235, 0.1);
    border-radius: 0.75rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-teal));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    opacity: 0.2;
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 0.75rem;
    color: var(--primary-dark);
}

.service-card p {
    font-size: 0.95rem;
    color: var(--gray-600);
}

/* ====================================
   PROCESS SECTION
   ==================================== */

.process {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--light-gray) 100%);
}

.process__timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    align-items: center;
    position: relative;
}

.timeline-step {
    padding: 2rem;
    background: var(--white);
    border-radius: 0.75rem;
    border: 2px solid var(--primary-blue);
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

.timeline-step:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-teal));
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.timeline-step h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-dark);
}

.timeline-step p {
    font-size: 0.9rem;
    color: var(--gray-600);
}

.timeline-arrow {
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-blue);
    font-size: 2rem;
    font-weight: 700;
}

@media (max-width: 768px) {
    .timeline-arrow {
        display: none;
    }
}

/* ====================================
   USE CASES SECTION
   ==================================== */

.usecases {
    padding: 6rem 0;
    background-color: var(--white);
}

.usecases__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.usecase-card {
    padding: 2rem;
    background: var(--light-gray);
    border-radius: 0.75rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: var(--transition-smooth);
}

.usecase-card:hover {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-teal));
    color: white;
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.usecase-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.usecase-card h3 {
    margin-bottom: 0.75rem;
    color: var(--primary-dark);
}

.usecase-card:hover h3 {
    color: white;
}

.usecase-card p {
    font-size: 0.95rem;
    color: var(--gray-600);
}

.usecase-card:hover p {
    color: rgba(255, 255, 255, 0.9);
}

/* ====================================
   DIAGNOSTIC SECTION
   ==================================== */

.diagnostic {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-teal));
    color: white;
    border-radius: 1rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.diagnostic::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.diagnostic__content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.diagnostic h2 {
    color: white;
    margin-bottom: 1rem;
}

.diagnostic > .container > p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.diagnostic__benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 2.5rem 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.check-icon {
    width: 2rem;
    height: 2rem;
    color: white;
}

.benefit-item span {
    color: white;
    font-size: 0.95rem;
}

.diagnostic__note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-top: 1.5rem;
}

/* ====================================
   FAQ SECTION
   ==================================== */

.faq {
    padding: 6rem 0;
    background-color: var(--white);
}

.faq__list {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 0.75rem;
    overflow: visible;
    background: var(--light-gray);
    transition: var(--transition-smooth);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 1rem;
    transition: var(--transition-fast);
    font-family: var(--font-family-primary);
}

.faq-question:hover {
    color: var(--primary-blue);
}

.faq-icon {
    width: 1.5rem;
    height: 1.5rem;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--primary-blue);
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer > * {
    min-height: 0;
    overflow: hidden;
}

.faq-item.active .faq-answer {
    grid-template-rows: 1fr;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--gray-600);
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ====================================
   FINAL CTA SECTION
   ==================================== */

.final-cta {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--light-gray) 0%, var(--white) 100%);
    text-align: center;
}

.final-cta .container {
    max-width: 600px;
}

.final-cta h2 {
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

.final-cta > .container > p {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

/* ====================================
   FOOTER
   ==================================== */

.footer {
    background: var(--primary-dark);
    color: var(--gray-200);
    padding: 3rem 0 1rem;
}

.footer__container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__section h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.footer__section ul {
    list-style: none;
}

.footer__section ul li {
    margin-bottom: 0.75rem;
}

.footer__section a {
    color: var(--gray-200);
    font-size: 0.9rem;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer__section a:hover {
    color: var(--accent-teal);
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: 1rem;
}

.footer__section p {
    color: var(--gray-400);
    font-size: 0.9rem;
}

.social-icon {
    width: 1.2rem;
    height: 1.2rem;
}

.footer__bottom {
    text-align: center;
    padding-top: 2rem;
    color: var(--gray-600);
    font-size: 0.85rem;
}

/* ====================================
   MODAL
   ==================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: white;
    border-radius: 0.75rem;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--gray-600);
    z-index: 10;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--primary-blue);
}

/* ====================================
   DIAGNOSTIC MODAL
   ==================================== */

.diagnostic-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 1rem;
    animation: fadeIn 0.3s ease;
    overflow-y: auto;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
}

.diagnostic-modal.active {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

.diagnostic-modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    cursor: pointer;
    z-index: 1;
}

.diagnostic-modal__content {
    position: relative;
    z-index: 2001;
    background: white;
    border-radius: 0.75rem;
    width: 100%;
    max-width: 900px;
    height: 90vh;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    animation: slideUp 0.3s ease;
}

.diagnostic-modal__content iframe {
    flex: 1;
    width: 100%;
    overflow-y: auto;
    overflow-x: hidden;
}

.diagnostic-modal__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: white;
    border: none;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    transition: var(--transition-fast);
    z-index: 10;
    box-shadow: var(--shadow-sm);
    padding: 0;
}

.diagnostic-modal__close:hover {
    background: var(--light-gray);
    color: var(--primary-blue);
    transform: scale(1.05);
}

.diagnostic-modal__close svg {
    width: 24px;
    height: 24px;
}

/* Mobile: modal fullscreen */
@media (max-width: 768px) {
    .diagnostic-modal {
        padding: 0;
    }

    .diagnostic-modal__content {
        max-width: 100%;
        height: 100vh;
        max-height: 100vh;
        border-radius: 0;
    }
    
    .diagnostic-modal__close {
        top: 0.75rem;
        right: 0.75rem;
        width: 2rem;
        height: 2rem;
    }
}

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

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

/* ====================================
   SCROLL ANIMATIONS
   ==================================== */

.fade-in {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.fade-in.visible {
    animation: fadeInUp 0.6s ease;
    opacity: 1;
}

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

/* ====================================
   ACCESSIBILITY
   ==================================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

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

/* ====================================
   RESPONSIVE DESIGN
   ==================================== */

@media (max-width: 768px) {
    :root {
        --spacing-unit: 0.75rem;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.1rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .problems__grid,
    .benefits__grid,
    .services__grid,
    .usecases__grid {
        grid-template-columns: 1fr;
    }
    
    .diagnostic__benefits {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .process__timeline {
        grid-template-columns: 1fr;
    }
    
    .footer__container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.5rem;
        line-height: 1.3;
    }
    
    h2 {
        font-size: 1.25rem;
    }
    
    .hero__ctas {
        gap: 0.5rem;
    }
    
    .btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .btn--large {
        padding: 0.85rem 1.75rem;
    }
    
    .navbar__menu {
        display: none;
    }
    
    .section-header {
        margin-bottom: 1.5rem;
    }
    
    .section-header h2 {
        font-size: 1.3rem;
    }
    
    .faq__list {
        gap: 0.75rem;
    }
}

/* ====================================
   LAZY LOADING
   ==================================== */

img[loading="lazy"] {
    background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ====================================
   PERFORMANCE
   ==================================== */

/* Smooth scrolling already handled in HTML */

/* GPU acceleration for animations */
.hero__mockup,
.problem-card,
.benefit-card,
.service-card,
.usecase-card,
.timeline-step {
    will-change: transform;
}

/* ====================================
   PRINT STYLES
   ==================================== */

@media print {
    .navbar,
    .modal,
    .footer {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}