:root {
    --nav-height: 64px;
    --color-ink: #0f172a;
    --color-brand-900: #0f2a4f;
    --color-brand-700: #1d4f8f;
    --color-brand-500: #2f7ec7;
    --color-accent: #f59e0b;
    --color-surface: #f7fafc;
    --color-card-border: #dbe7f3;
    --shadow-soft: 0 10px 30px rgba(15, 42, 79, 0.08);
    --shadow-strong: 0 24px 60px rgba(15, 42, 79, 0.2);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: 'Manrope', 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: linear-gradient(180deg, #f8fbff 0%, #ffffff 35%);
    color: var(--color-ink);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
.nav-logo {
    font-family: 'Sora', 'Manrope', sans-serif;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    transition: all 0.3s ease;
    overflow: visible;
    -webkit-backdrop-filter: saturate(140%) blur(8px);
    backdrop-filter: saturate(140%) blur(8px);
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow-soft);
    border-bottom: 1px solid #d7e3ef;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--nav-height);
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 800;
    background: none;
    border: none;
    cursor: pointer;
    color: #ffffff;
    transition: color 0.3s ease;
}

.nav.scrolled .nav-logo {
    color: var(--color-brand-900);
}

.nav-menu-desktop {
    display: none;
    gap: 1.5rem;
}

.nav-link {
    font-weight: 500;
    background: none;
    border: none;
    cursor: pointer;
    color: #f1f7ff;
    transition: color 0.3s ease;
    font-size: 0.875rem;
}

.nav-link:hover {
    color: #facc15;
}

.nav.scrolled .nav-link {
    color: #334155;
}

.nav.scrolled .nav-link:hover {
    color: var(--color-brand-700);
}

.nav-mobile-btn {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: #ffffff;
}

.nav.scrolled .nav-mobile-btn {
    color: #172554;
}

.icon-menu,
.icon-close {
    width: 24px;
    height: 24px;
}

.icon-close {
    display: none;
}

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

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

.nav-mobile-menu {
    display: none;
    background: #ffffff;
    border-top: 1px solid #e5e7eb;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    max-height: calc(100vh - var(--nav-height));
    overflow-y: auto;
    overscroll-behavior: contain;
}

.nav-mobile-menu.active {
    display: block;
}

.nav-mobile-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-mobile-link {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.75rem;
    color: #374151;
    font-weight: 500;
    background: none;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-mobile-link:hover {
    color: #2563eb;
    background: #eff6ff;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 15% 15%, rgba(47, 126, 199, 0.35), transparent 35%),
        radial-gradient(circle at 85% 75%, rgba(245, 158, 11, 0.28), transparent 34%),
        linear-gradient(140deg, #0f2a4f 0%, #1d4f8f 52%, #2f7ec7 100%);
    color: #ffffff;
    overflow: hidden;
}

.hero::before,
.hero::after {
    content: '';
    position: absolute;
    border-radius: 9999px;
    filter: blur(2px);
    pointer-events: none;
}

.hero::before {
    width: 420px;
    height: 420px;
    top: -140px;
    right: -140px;
    background: rgba(255, 255, 255, 0.08);
}

.hero::after {
    width: 280px;
    height: 280px;
    bottom: -100px;
    left: -70px;
    background: rgba(245, 158, 11, 0.2);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.07;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1280px;
    margin: 0 auto;
    padding: 4.5rem 1rem 5rem;
    text-align: center;
}

.hero-title {
    font-size: 1.875rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.035em;
}

.hero-subtitle {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: #d9ebff;
    font-weight: 500;
    padding: 0 0.5rem;
}

.hero-description {
    font-size: 0.875rem;
    margin-bottom: 2rem;
    color: #e7f3ff;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.75;
    padding: 0 0.5rem;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    justify-content: center;
    align-items: center;
    padding: 0 1rem;
}

.btn-primary,
.btn-secondary {
    width: 100%;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, #ffffff 0%, #e6f2ff 100%);
    color: #0f2a4f;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    background: #ffffff;
    box-shadow: var(--shadow-strong);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.45);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

.hero-chevron {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: #bfdbfe;
}

.hero-chevron svg {
    width: 1.5rem;
    height: 1.5rem;
}

/* Sections */
.section-white {
    padding: 4rem 0;
    background: #ffffff;
}

section[id] {
    scroll-margin-top: calc(var(--nav-height) + 1rem);
}

.section-gray {
    padding: 4rem 0;
    background: var(--color-surface);
}

.section-impact {
    padding: 4rem 0;
    background: linear-gradient(to bottom right, #172554, #1e3a8a, #1e40af);
    color: #ffffff;
}

.container {
    max-width: 1152px;
    margin: 0 auto;
    padding: 0 1rem;
}

.container-impact {
    max-width: 1024px;
    margin: 0 auto;
    padding: 0 1rem;
}

.container-faq {
    max-width: 896px;
    margin: 0 auto;
    padding: 0 1rem;
}

.container-team {
    max-width: 896px;
    margin: 0 auto;
    padding: 0 1rem;
}

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

.section-title {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--color-brand-900);
    margin-bottom: 1rem;
    padding: 0 0.5rem;
}

.section-title-white {
    font-size: 1.875rem;
    font-weight: bold;
    color: #ffffff;
    margin-bottom: 1rem;
    padding: 0 0.5rem;
}

.section-description {
    font-size: 1rem;
    color: #334155;
    max-width: 56rem;
    margin: 0 auto;
    line-height: 1.75;
    padding: 0 0.5rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.stat-card {
    padding: 1.5rem;
    border-radius: 1rem;
    border: 2px solid;
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.stat-red {
    background: #fef2f2;
    color: #dc2626;
    border-color: #fecaca;
}

.stat-orange {
    background: #fff7ed;
    color: #ea580c;
    border-color: #fed7aa;
}

.stat-yellow {
    background: #fefce8;
    color: #a16207;
    border-color: #fef08a;
}

.stat-icon {
    width: 2.5rem;
    height: 2.5rem;
    margin: 0 auto 0.75rem;
}

.stat-value {
    font-size: 2.25rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    font-weight: 500;
}

.sources-note {
    margin-top: 1rem;
    text-align: center;
    font-size: 0.8rem;
    color: #64748b;
}

.section-description-tight {
    margin-top: 0.75rem;
}

.security-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.security-card {
    background: #ffffff;
    border: 1px solid var(--color-card-border);
    border-radius: 1rem;
    padding: 1.25rem;
    box-shadow: var(--shadow-soft);
}

.security-icon-wrapper {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    background: #eaf3fb;
    color: var(--color-brand-700);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
}

.security-icon {
    width: 1.5rem;
    height: 1.5rem;
}

.security-title {
    font-size: 1.1rem;
    color: var(--color-brand-900);
    margin-bottom: 0.4rem;
}

.security-text {
    color: #334155;
    line-height: 1.7;
    font-size: 0.9rem;
}

.security-commitment {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    border-left: 4px solid var(--color-brand-700);
    background: #eef5fc;
    color: #17324f;
    font-weight: 600;
    line-height: 1.7;
    border-radius: 0.75rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.feature-card {
    padding: 1.5rem;
    border-radius: 1rem;
    border: 2px solid;
    background: #ffffff;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.feature-card:nth-child(1) {
    background: #ffffff;
    border-color: #bfdbfe;
}

.feature-card:nth-child(2) {
    background: #ffffff;
    border-color: #c7d2fe;
}

.feature-card:nth-child(3) {
    background: #ffffff;
    border-color: #ddd6fe;
}

.feature-card:hover {
    box-shadow: var(--shadow-strong);
    transform: translateY(-4px);
}

.feature-icon-wrapper {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 0.5rem;
    background: linear-gradient(to bottom right, #dbeafe, #eff6ff);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.feature-icon {
    width: 1.75rem;
    height: 1.75rem;
}

.icon-blue {
    color: #2563eb;
}

.icon-indigo {
    color: #4f46e5;
}

.icon-purple {
    color: #9333ea;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-brand-900);
    margin-bottom: 0.75rem;
}

.feature-description {
    color: #374151;
    line-height: 1.75;
    font-size: 0.875rem;
}

/* Users Grid */
.users-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.user-card {
    background: #ffffff;
    border: 1px solid var(--color-card-border);
    border-radius: 1rem;
    padding: 1.25rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-soft);
}

.user-card:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transform: translateY(-4px);
}

.user-icon {
    width: 3.5rem;
    height: 3.5rem;
    margin: 0 auto 0.75rem;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-icon svg {
    width: 1.75rem;
    height: 1.75rem;
    color: #ffffff;
}

.gradient-blue {
    background: linear-gradient(to bottom right, #3b82f6, #2563eb);
}

.gradient-indigo {
    background: linear-gradient(to bottom right, #6366f1, #4f46e5);
}

.gradient-purple {
    background: linear-gradient(to bottom right, #a855f7, #9333ea);
}

.gradient-violet {
    background: linear-gradient(to bottom right, #8b5cf6, #7c3aed);
}

.user-title {
    font-size: 1rem;
    font-weight: 600;
    color: #172554;
}

/* Impact Section */
.impact-box {
    background: rgba(255, 255, 255, 0.1);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 1.5rem;
}

.impact-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.impact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.impact-check {
    flex-shrink: 0;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 9999px;
    background: #22c55e;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.125rem;
}

.impact-check svg {
    color: #ffffff;
}

.impact-text {
    font-size: 1rem;
    color: #dbeafe;
    line-height: 1.75;
}

/* Mockups Grid */
.mockups-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.mockup-card {
    background: #ffffff;
    border-radius: 1rem;
    border: 1px solid var(--color-card-border);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: box-shadow 0.3s ease;
}

.mockup-card:hover {
    box-shadow: var(--shadow-strong);
}

.mockup-iframe-wrapper {
    height: clamp(300px, 40vw, 420px);
    background: radial-gradient(circle at top, #f0f0f0 0%, #e5e5e5 48%, #d7d7d7 100%);
    overflow: hidden;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem;
}

.mockup-image {
    width: auto;
    height: 100%;
    max-width: 100%;
    object-fit: contain;
    border-radius: 0.9rem;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

.mockup-content {
    padding: 1.25rem;
}

.mockup-title {
    font-size: 1.125rem;
    font-weight: bold;
    color: #172554;
    margin-bottom: 0.5rem;
}

.mockup-description {
    font-size: 0.875rem;
    color: #4b5563;
    margin-bottom: 1rem;
}

/* FAQ Section */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.faq-item {
    background: #ffffff;
    border: 1px solid var(--color-card-border);
    border-radius: 1rem;
    overflow: hidden;
    transition: border-color 0.3s ease;
    box-shadow: var(--shadow-soft);
}

.faq-item:hover {
    border-color: #93c5fd;
}

.faq-button {
    width: 100%;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.faq-button:hover {
    background: #eff6ff;
}

.faq-question {
    font-weight: 600;
    color: #172554;
    padding-right: 0.75rem;
    font-size: 0.875rem;
}

.faq-chevron {
    flex-shrink: 0;
    color: #2563eb;
    transition: transform 0.3s ease;
}

.faq-chevron.rotated {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease;
    opacity: 0;
}

.faq-answer.open {
    max-height: 500px;
    opacity: 1;
}

.faq-answer-content {
    padding: 0 1.25rem 1rem;
    color: #374151;
    line-height: 1.75;
    font-size: 0.875rem;
}

/* Footer */
.footer {
    padding: 2.5rem 0 3rem;
    background: linear-gradient(135deg, #0f2a4f 0%, #173c6d 100%);
    color: #ffffff;
}

.footer-content {
    text-align: center;
    margin-bottom: 1.5rem;
}

.footer-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.footer-subtitle {
    color: #bfdbfe;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.footer-text {
    color: #93c5fd;
    font-size: 0.875rem;
}

.footer-divider {
    margin: 1.5rem 0;
    padding-top: 1.5rem;
    border-top: 1px solid #1e40af;
}

.footer-copyright {
    text-align: center;
    color: #93c5fd;
    font-size: 0.75rem;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 40;
    width: 2.75rem;
    height: 2.75rem;
    background: linear-gradient(135deg, #2f7ec7 0%, #1d4f8f 100%);
    color: #ffffff;
    border-radius: 9999px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    opacity: 0.9;
}

.back-to-top.visible {
    display: flex;
}

.back-to-top:hover {
    background: linear-gradient(135deg, #1d4f8f 0%, #14355d 100%);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transform: scale(1.05);
}

.back-to-top svg {
    transition: transform 0.3s ease;
}

.back-to-top:hover svg {
    transform: translateY(-2px);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleUp {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.slide-up {
    will-change: opacity, transform;
}

.slide-left {
    will-change: opacity, transform;
}

.scale-up {
    will-change: opacity, transform;
}

.bounce {
    animation: bounce 2s ease-in-out infinite;
}

.delay-05 {
    transition-delay: 0.05s;
}

.delay-10 {
    transition-delay: 0.1s;
}

.delay-15 {
    transition-delay: 0.15s;
}

.delay-20 {
    transition-delay: 0.2s;
}

.delay-30 {
    transition-delay: 0.3s;
}

.delay-40 {
    transition-delay: 0.4s;
}

/* Responsive Design */
@media (min-width: 640px) {
    .nav-container {
        padding: 0 1.5rem;
    }

        :root {
            --nav-height: 72px;
        }

    .nav-logo {
        font-size: 1.5rem;
    }

    .nav-link {
        font-size: 1rem;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .btn-primary,
    .btn-secondary {
        font-size: 1rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
        margin-bottom: 2rem;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 3rem;
    }

    .hero-buttons {
        flex-direction: row;
        gap: 1rem;
    }

    .btn-primary,
    .btn-secondary {
        width: auto;
        padding: 1rem 2rem;
    }

    .hero-chevron {
        bottom: 2.5rem;
    }

    .hero-chevron svg {
        width: 2rem;
        height: 2rem;
    }

    .section-white,
    .section-gray,
    .section-impact {
        padding: 5rem 0;
    }

    .section-header {
        margin-bottom: 4rem;
    }

    .section-title,
    .section-title-white {
        font-size: 2.25rem;
        margin-bottom: 1.5rem;
    }

    .section-description {
        font-size: 1.125rem;
    }

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

    .stat-card {
        padding: 2rem;
    }

    .stat-icon {
        width: 3rem;
        height: 3rem;
        margin-bottom: 1rem;
    }

    .stat-value {
        font-size: 3rem;
        margin-bottom: 0.75rem;
    }

    .stat-label {
        font-size: 1.125rem;
    }

    .sources-note {
        font-size: 0.875rem;
    }

    .security-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .security-card {
        padding: 1.5rem;
    }

    .security-title {
        font-size: 1.2rem;
    }

    .security-text {
        font-size: 1rem;
    }

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

    .feature-card {
        padding: 2rem;
    }

    .feature-icon-wrapper {
        width: 4rem;
        height: 4rem;
        margin-bottom: 1.5rem;
    }

    .feature-icon {
        width: 2rem;
        height: 2rem;
    }

    .feature-title {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    .feature-description {
        font-size: 1rem;
    }

    .users-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .user-card {
        padding: 1.5rem;
    }

    .user-icon {
        width: 4rem;
        height: 4rem;
        margin-bottom: 1rem;
    }

    .user-icon svg {
        width: 2rem;
        height: 2rem;
    }

    .user-title {
        font-size: 1.125rem;
    }

    .impact-box {
        padding: 2rem 2.5rem;
    }

    .impact-list {
        gap: 1.5rem;
    }

    .impact-item {
        gap: 1rem;
    }

    .impact-check {
        width: 2rem;
        height: 2rem;
        margin-top: 0.25rem;
    }

    .impact-text {
        font-size: 1.125rem;
    }

    .mockups-grid {
        gap: 2rem;
    }

    .mockup-content {
        padding: 1.5rem;
    }

    .mockup-title {
        font-size: 1.25rem;
    }

    .mockup-description {
        font-size: 1rem;
    }

    .faq-list {
        gap: 1rem;
    }

    .faq-button {
        padding: 1.25rem 1.5rem;
    }

    .faq-question {
        font-size: 1rem;
        padding-right: 1rem;
    }

    .faq-answer-content {
        padding: 0 1.5rem 1.25rem;
        font-size: 1rem;
    }

    .footer {
        padding: 3rem 0;
    }

    .footer-title {
        font-size: 1.5rem;
    }

    .footer-subtitle,
    .footer-text {
        font-size: 1rem;
    }

    .footer-copyright {
        font-size: 0.875rem;
    }

    .back-to-top {
        bottom: 2rem;
        right: 2rem;
        width: 3rem;
        height: 3rem;
    }
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-description {
        font-size: 1.125rem;
    }

    .section-title,
    .section-title-white {
        font-size: 3rem;
    }

    .section-description {
        font-size: 1.25rem;
    }
}

@media (min-width: 1024px) {
    .nav-menu-desktop {
        display: flex;
        gap: 2rem;
    }

    .nav-content {
        min-height: var(--nav-height);
    }

    .nav-link {
        font-size: 1rem;
    }

    .nav-mobile-btn {
        display: none;
    }

    .hero-title {
        font-size: 3.75rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .hero-description {
        font-size: 1.25rem;
    }

    .section-white,
    .section-gray,
    .section-impact {
        padding: 6rem 0;
    }

    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .users-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .mockups-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .security-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1280px) {
    :root {
        --nav-height: 80px;
    }

    .nav-menu-desktop {
        gap: 2rem;
    }

    .nav-link {
        font-size: 1rem;
    }

    .hero-title {
        font-size: 4.5rem;
    }

    .hero-subtitle {
        font-size: 1.875rem;
    }

    .hero-description {
        font-size: 1.25rem;
    }

    .impact-text {
        font-size: 1.25rem;
    }
}

@media (hover: none) {
    .btn-primary:hover,
    .feature-card:hover,
    .user-card:hover,
    .mockup-card:hover,
    .back-to-top:hover {
        transform: none;
        box-shadow: var(--shadow-soft);
    }
}