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

:root {
    --blue-dark: #1B2A4A;
    --blue-mid: #243B6A;
    --blue-light: #3A5A8C;
    --green: #1A8C5E;
    --green-light: #27AE60;
    --green-bg: #E8F5E9;
    --gold: #C8963E;
    --gold-light: #F0D78C;
    --gold-bg: #FFF8E1;
    --white: #FFFFFF;
    --gray-50: #F5F6F8;
    --gray-100: #EEF0F3;
    --gray-200: #DDE1E7;
    --gray-300: #C5CBD4;
    --gray-500: #7B8698;
    --gray-700: #3D4855;
    --gray-900: #1A1D23;
    --shadow-sm: 0 1px 3px rgba(26, 29, 35, 0.06), 0 1px 2px rgba(26, 29, 35, 0.04);
    --shadow-md: 0 4px 12px rgba(26, 29, 35, 0.08), 0 2px 4px rgba(26, 29, 35, 0.04);
    --shadow-lg: 0 12px 32px rgba(26, 29, 35, 0.10), 0 4px 8px rgba(26, 29, 35, 0.05);
    --shadow-xl: 0 20px 48px rgba(26, 29, 35, 0.14), 0 8px 16px rgba(26, 29, 35, 0.06);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font);
    color: var(--gray-900);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.section {
    padding: 90px 20px;
}

.section-container {
    max-width: 1140px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--green);
    background: var(--green-bg);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--blue-dark);
    letter-spacing: -0.02em;
    line-height: 1.25;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--gray-700);
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.7;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition);
}

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

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2 14px 24px;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-icon svg {
    display: block;
    width: 32;
    height: 32;
}

.logo-text {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--blue-dark);
    letter-spacing: -0.03em;
}

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-list {
    display: flex;
    gap: 20px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-700);
    transition: var(--transition);
    padding: 6px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--green);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--blue-dark);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    white-space: nowrap;
    letter-spacing: -0.01em;
}

.btn-header {
    background: var(--blue-dark);
    color: var(--white);
    padding: 10px 20px;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

.btn-header:hover {
    background: var(--blue-mid);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--green);
    color: var(--white);
    padding: 14px 28px;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 14px rgba(26, 140, 94, 0.3);
}

.btn-primary:hover {
    background: #157A50;
    box-shadow: 0 6px 20px rgba(26, 140, 94, 0.4);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--blue-dark);
    border: 2px solid var(--gray-200);
    padding: 14px 28px;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
}

.btn-outline:hover {
    border-color: var(--blue-dark);
    background: var(--gray-50);
    transform: translateY(-2px);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.85rem;
    font-weight: 600;
}

.lang-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: var(--font);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--gray-500);
    transition: var(--transition);
}

.lang-btn.active {
    color: var(--blue-dark);
    background: var(--gray-100);
}

.lang-btn:hover {
    color: var(--blue-dark);
}

.lang-divider {
    color: var(--gray-300);
    user-select: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2.5px;
    background: var(--blue-dark);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.hero {
    padding: 160px 20px 80px;
    background: linear-gradient(170deg, #F8FAFB 0%, #EEF2F6 40%, #F5F6F8 100%);
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1140px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--blue-mid);
    background: rgba(36, 59, 106, 0.08);
    padding: 8px 18px;
    border-radius: 100px;
    margin-bottom: 20px;
    letter-spacing: 0.04em;
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--blue-dark);
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 480px;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    z-index: 3;
}

.phone-frame {
    width: 240px;
    height: 460px;
    background: #1A1D23;
    border-radius: 32px;
    padding: 12px;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.phone-notch {
    width: 80px;
    height: 6px;
    background: #3D3D42;
    border-radius: 3px;
    margin: 0 auto 10px;
}

.phone-screen {
    background: #0D1117;
    border-radius: 22px;
    height: calc(100% - 16px);
    padding: 16px 14px;
    display: flex;
    flex-direction: column;
    font-family: 'Courier New', 'Fira Code', monospace;
    overflow: hidden;
}

.ussd-header {
    color: #58A6FF;
    font-size: 0.7rem;
    font-weight: 700;
    text-align: center;
    letter-spacing: 0.1em;
    margin-bottom: 14px;
    font-family: var(--font);
}

.ussd-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ussd-line {
    color: #C5CBD4;
    font-size: 0.75rem;
    line-height: 1.5;
}

.ussd-prompt {
    color: #27AE60;
    font-weight: 700;
}

.ussd-code {
    color: #C8963E;
    font-weight: 700;
    font-size: 1rem;
    margin-top: 8px;
    text-align: center;
}

.ussd-footer {
    display: flex;
    justify-content: space-around;
    padding-top: 10px;
    border-top: 1px solid #222;
    font-size: 0.6rem;
    color: #7B8698;
    font-family: var(--font);
    letter-spacing: 0.04em;
}

.floating-card {
    position: absolute;
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 12px 18px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--blue-dark);
    z-index: 4;
}

.fc-1 {
    top: 40px;
    right: 0;
    animation: floatUpDown 3s ease-in-out infinite;
}

.fc-2 {
    bottom: 60px;
    left: 0;
    animation: floatUpDown 3.2s ease-in-out infinite 0.5s;
}

.fc-icon {
    font-size: 1.3rem;
}

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

.hero-wave {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    z-index: 1;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: auto;
}

.sobre {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 20px;
}

.about-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.about-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: transparent;
}

.about-card-icon {
    margin-bottom: 18px;
    display: flex;
    justify-content: center;
}

.about-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 10px;
}

.about-card p {
    font-size: 0.9rem;
    color: var(--gray-700);
    line-height: 1.6;
}

.objetivos {
    background: var(--gray-50);
}

.obj-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.obj-grid .obj-card:last-child {
    grid-column: 2;
}

.obj-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border-left: 4px solid transparent;
}

.obj-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
    border-left-color: var(--green);
}

.obj-num {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--gray-100);
    position: absolute;
    top: 12px;
    right: 20px;
    line-height: 1;
    pointer-events: none;
}

.obj-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.obj-card p {
    font-size: 0.88rem;
    color: var(--gray-700);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.como-funciona {
    background: var(--white);
}

.steps-container {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

.steps-container::before {
    content: '';
    position: absolute;
    left: 27px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gray-100);
    border-radius: 2px;
    z-index: 0;
}

.step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 16px 0;
    position: relative;
    z-index: 1;
}

.step-marker {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--white);
    border: 3px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--blue-dark);
    flex-shrink: 0;
    transition: var(--transition);
    z-index: 2;
}

.step:hover .step-marker {
    border-color: var(--green);
    background: var(--green-bg);
    color: var(--green);
    box-shadow: 0 0 0 8px rgba(26, 140, 94, 0.08);
}

.step-content {
    padding-top: 8px;
}

.step-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 4px;
}

.step-content p {
    font-size: 0.9rem;
    color: var(--gray-700);
    line-height: 1.6;
}

.arquitetura {
    background: var(--gray-50);
}

.arch-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.arch-block {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 20px 18px;
    box-shadow: var(--shadow-md);
    text-align: center;
    min-width: 145px;
    max-width: 170px;
    flex-shrink: 0;
    transition: var(--transition);
}

.arch-block:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-3px);
}

.arch-block-inner .arch-icon {
    font-size: 1.6rem;
    display: block;
    margin-bottom: 8px;
}

.arch-block-inner h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 4px;
}

.arch-block-inner p {
    font-size: 0.72rem;
    color: var(--gray-500);
    line-height: 1.4;
}

.arch-arrow {
    font-size: 1.4rem;
    color: var(--gray-300);
    font-weight: 700;
    flex-shrink: 0;
}

.arch-panel {
    display: flex;
    justify-content: center;
    margin-top: 8px;
}

.arch-block-panel {
    max-width: 240px;
    border: 2px dashed var(--gray-200);
    background: var(--gray-50);
}

.seguranca {
    background: var(--white);
}

.sec-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.sec-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-md);
    padding: 18px 22px;
    font-size: 0.93rem;
    font-weight: 500;
    color: var(--gray-900);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.sec-card:hover {
    border-color: var(--green);
    box-shadow: var(--shadow-md);
    background: #FAFDFB;
}

.sec-check {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--green-bg);
    color: var(--green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.risco {
    background: var(--gray-50);
}

.risk-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.risk-grid .risk-card:last-child {
    grid-column: 2;
}

.risk-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px 22px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-top: 4px solid transparent;
}

.risk-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
    border-top-color: var(--gold);
}

.risk-card-top {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.risk-icon {
    font-size: 1.6rem;
}

.risk-card-top h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--blue-dark);
}

.risk-card p {
    font-size: 0.88rem;
    color: var(--gray-700);
    line-height: 1.6;
}

.implementacao {
    background: var(--white);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline-line {
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gray-100);
    border-radius: 2px;
}

.timeline-items {
    display: flex;
    flex-direction: column;
    gap: 40px;
    position: relative;
}

.timeline-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    position: relative;
}

.timeline-dot {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--white);
    border: 4px solid var(--gray-200);
    flex-shrink: 0;
    z-index: 2;
    transition: var(--transition);
    position: relative;
}

.timeline-item:hover .timeline-dot {
    border-color: var(--gold);
    background: var(--gold-bg);
    box-shadow: 0 0 0 10px rgba(200, 150, 62, 0.1);
}

.timeline-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    flex: 1;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.timeline-item:hover .timeline-card {
    box-shadow: var(--shadow-lg);
}

.timeline-phase {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--gold);
    background: var(--gold-bg);
    padding: 4px 12px;
    border-radius: 100px;
    margin-bottom: 8px;
}

.timeline-card h3 {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--blue-dark);
    margin-bottom: 4px;
}

.timeline-period {
    font-size: 0.85rem;
    color: var(--gray-500);
    font-weight: 500;
    display: block;
    margin-bottom: 10px;
}

.timeline-card p {
    font-size: 0.9rem;
    color: var(--gray-700);
    line-height: 1.6;
}

.impacto {
    background: var(--gray-50);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.impact-grid .impact-card:last-child {
    grid-column: 2;
}

.impact-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.impact-icon {
    font-size: 2.4rem;
    display: block;
    margin-bottom: 14px;
}

.impact-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 8px;
}

.impact-card p {
    font-size: 0.88rem;
    color: var(--gray-700);
    line-height: 1.6;
}

.contacto {
    background: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    max-width: 960px;
    margin: 0 auto;
}

.contact-form {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-xl);
    padding: 36px 32px;
    box-shadow: var(--shadow-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--blue-dark);
}

.form-group input,
.form-group textarea {
    font-family: var(--font);
    font-size: 0.93rem;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    background: var(--gray-50);
    color: var(--gray-900);
    transition: var(--transition);
    outline: none;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--green);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(26, 140, 94, 0.06);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #E74C3C;
    background: #FFF5F5;
}

.form-error {
    font-size: 0.78rem;
    color: #E74C3C;
    display: none;
    font-weight: 500;
}

.form-group input.error~.form-error,
.form-group textarea.error~.form-error {
    display: block;
}

.btn-submit {
    width: 100%;
    margin-top: 8px;
    font-size: 1rem;
    padding: 16px;
}

.form-success {
    display: none;
    text-align: center;
    font-weight: 600;
    color: var(--green);
    background: var(--green-bg);
    padding: 16px;
    border-radius: var(--radius-md);
    margin-top: 16px;
    font-size: 0.93rem;
}

.form-success.visible {
    display: block;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 18px;
    justify-content: center;
}

.contact-info-card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: var(--transition);
}

.contact-info-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.contact-info-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}

.contact-info-card strong {
    display: block;
    font-size: 0.9rem;
    color: var(--blue-dark);
    margin-bottom: 2px;
}

.contact-info-card p {
    font-size: 0.85rem;
    color: var(--gray-700);
}

.footer {
    background: var(--blue-dark);
    color: var(--white);
    padding: 60px 20px 30px;
}

.footer-container {
    max-width: 1140px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo-text {
    color: var(--white);
    font-size: 1.5rem;
    display: block;
    margin-bottom: 4px;
}

.footer-brand p {
    font-size: 0.88rem;
    color: var(--gray-300);
    line-height: 1.5;
}

.footer-company {
    font-weight: 600;
    color: var(--gold-light) !important;
    margin-top: 8px;
}

.footer-links h4,
.footer-partner h4,
.footer-location h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-300);
    margin-bottom: 14px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--gray-300);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-partner p,
.footer-location p {
    font-size: 0.88rem;
    color: var(--gray-300);
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 24px;
    text-align: center;
    font-size: 0.82rem;
    color: var(--gray-500);
}

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

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .hero-subtitle {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-visual {
        order: -1;
    }
    .phone-frame {
        width: 200px;
        height: 390px;
        border-radius: 28px;
        padding: 10px;
    }
    .phone-screen {
        border-radius: 18px;
    }
    .floating-card {
        display: none;
    }
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-grid .about-card:last-child {
        grid-column: span 2;
        max-width: 400px;
        justify-self: center;
    }
    .obj-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .obj-grid .obj-card:last-child {
        grid-column: span 2;
        max-width: 400px;
        justify-self: center;
    }
    .risk-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .risk-grid .risk-card:last-child {
        grid-column: span 2;
        max-width: 400px;
        justify-self: center;
    }
    .impact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .impact-grid .impact-card:last-child {
        grid-column: span 2;
        max-width: 400px;
        justify-self: center;
    }
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .arch-diagram {
        gap: 6px;
    }
    .arch-block {
        min-width: 120px;
        max-width: 140px;
        padding: 14px 10px;
    }
    .arch-arrow {
        font-size: 1.1rem;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 10px 16px;
    }
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 80px 24px 30px;
        box-shadow: var(--shadow-xl);
        transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
        gap: 20px;
        align-items: stretch;
    }
    .nav.active {
        right: 0;
    }
    .nav-list {
        flex-direction: column;
        gap: 6px;
    }
    .nav-link {
        font-size: 1rem;
        padding: 10px 0;
        display: block;
    }
    .btn-header {
        width: 100%;
        text-align: center;
        padding: 14px;
        font-size: 0.95rem;
    }
    .hamburger {
        display: flex;
    }
    .section {
        padding: 60px 16px;
    }
    .section-title {
        font-size: 1.7rem;
    }
    .hero {
        padding: 130px 16px 60px;
    }
    .hero-title {
        font-size: 2rem;
    }
    .hero-subtitle {
        font-size: 1rem;
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
    .about-grid .about-card:last-child {
        grid-column: span 1;
        max-width: 100%;
    }
    .obj-grid {
        grid-template-columns: 1fr;
    }
    .obj-grid .obj-card:last-child {
        grid-column: span 1;
        max-width: 100%;
    }
    .sec-grid {
        grid-template-columns: 1fr;
    }
    .risk-grid {
        grid-template-columns: 1fr;
    }
    .risk-grid .risk-card:last-child {
        grid-column: span 1;
        max-width: 100%;
    }
    .impact-grid {
        grid-template-columns: 1fr;
    }
    .impact-grid .impact-card:last-child {
        grid-column: span 1;
        max-width: 100%;
    }
    .arch-diagram {
        flex-direction: column;
        align-items: center;
        gap: 4px;
    }
    .arch-block {
        max-width: 220px;
        min-width: 180px;
    }
    .arch-arrow {
        transform: rotate(90deg);
        font-size: 1.2rem;
    }
    .arch-panel {
        margin-top: 4px;
    }
    .arch-block-panel {
        max-width: 220px;
    }
    .timeline-line {
        left: 18px;
    }
    .timeline-dot {
        width: 36px;
        height: 36px;
        border-width: 3px;
    }
    .timeline-item {
        gap: 14px;
    }
    .timeline-card {
        padding: 18px 16px;
    }
    .timeline-card h3 {
        font-size: 1rem;
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .contact-form {
        padding: 24px 18px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 1.15rem;
    }
    .hero-title {
        font-size: 1.6rem;
    }
    .hero-subtitle {
        font-size: 0.9rem;
    }
    .hero-buttons {
        flex-direction: column;
        gap: 10px;
    }
    .btn {
        width: 100%;
    }
    .section-title {
        font-size: 1.45rem;
    }
    .phone-frame {
        width: 170px;
        height: 330px;
        border-radius: 24px;
        padding: 8px;
    }
    .phone-screen {
        border-radius: 16px;
        padding: 12px 10px;
    }
    .ussd-line {
        font-size: 0.65rem;
    }
    .contact-wrapper {
        gap: 24px;
    }
}