/* ================= Global ================= */
:root {
    --color-brand-orange: #FF730E;
    --color-brand-blue: #0077B6;
    --color-brand-black: #001514;
    --color-brand-white: #FCFCFC;
    --color-brand-gray: #F2F2F2;
    --color-brand-brown: #7A4E2D;
    --color-brand-yellow: #FFF8B0;
    --color-hero: #F2F2F2;
    --color-light: #F2F2F2;
    --color-text: #737F85;
    --color-border: rgba(15, 23, 42, 0.12);
    --shadow-soft: 0 12px 28px rgba(15, 23, 42, 0.08);
    --shadow-strong: 0 24px 52px rgba(15, 23, 42, 0.14);
    --radius-large: 18px;
    --radius-medium: 12px;
    --transition-default: 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: var(--color-brand-gray);
    color: var(--color-brand-black);
    line-height: 1.7;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    color: var(--color-brand-black);
    text-shadow: 0 1px 1px rgba(255, 255, 255, 0.5);
}

p {
    margin: 0;
}

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

img {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-large);
}

button {
    font-family: 'Montserrat', sans-serif;
}

.hidden {
    display: none !important;
}

.media-shadow {
    box-shadow: var(--shadow-strong);
    border-radius: var(--radius-large);
}

/* ================= Layout ================= */
/* Maintains consistent horizontal rhythm across breakpoints */
.layout-container {
    width: min(100% - 2rem, 1400px);
    margin: 0 auto;
}

.section {
    padding: 2rem 0;
}

@media (min-width: 768px) {
    .section {
        padding: 2rem 0;
    }
}

/* ================= Typography ================= */
.section-title {
    font-size: clamp(1.5rem, 1.75vw + 1.0rem, 2.5rem);
    line-height: 1.05;
    margin-bottom: 0.75rem;
    font-weight: 800;
}

.section-subtitle {
    font-size: clamp(1.1rem, 1vw + 1rem, 1.6rem);
    margin-bottom: 1.5rem;
    color: var(--color-brand-black);
    font-weight: 600;
}

.section-description {
    font-size: 1.125rem;
    margin: 0 auto;
    max-width: 780px;
}

.card-title {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-brand-black);
}

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

/* ================= Buttons ================= */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    padding: 0.9rem 2.2rem;
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    border: none;
    cursor: pointer;
    transition: transform var(--transition-default), box-shadow var(--transition-default), background var(--transition-default), color var(--transition-default);
    text-align: center;
    min-width: 160px;
}

.button-primary-1 {
    background: var(--color-brand-orange);
    color: var(--color-brand-white);
    box-shadow: 0 12px 30px rgba(255, 115, 14, 0.25);
}

.button-primary-1:hover,
.button-primary-1:focus-visible {
    background: var(--color-brand-orange);
    transform: translateY(-2px);
}

.button-primary-2 {
    background: var(--color-brand-blue);
    color: var(--color-brand-white);
    box-shadow: 0 12px 30px rgba(0, 119, 182, 0.25);
}

.button-primary-2:hover,
.button-primary-2:focus-visible {
    background: var(--color-brand-blue);
    transform: translateY(-2px);
}

.button-secondary {
    background: var(--color-brand-white);
    color: var(--color-brand-orange);
    border-color: var(--color-brand-orange);
    border: 1px solid;
    box-shadow: 0 12px 30px rgba(255, 115, 14, 0.25);
}

.button-secondary:hover,
.button-secondary:focus-visible {
    background: var(--color-brand-white);
    border-color: var(--color-brand-orange);
    transform: translateY(-2px);
}

.button-small {
    padding: 0.6rem 1.4rem;
    font-size: 0.875rem;
}

.button:focus-visible {
    outline: 3px solid var(--color-brand-blue);
    outline-offset: 2px;
}

.button:active {
    transform: translateY(1px);
}

/* ================= Iconography ================= */
.icon-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin-bottom: 1.25rem;
}

.icon-circle--orange {
    width: 3rem;
    height: 3rem;
    background: rgba(255, 115, 14, 0.16);
    color: var(--color-brand-orange);
}

.icon-circle--blue {
    width: 4rem;
    height: 4rem;
    background: rgba(0, 119, 182, 0.16);
    color: var(--color-brand-blue);
}

.icon-small {
    width: 22px;
    height: 22px;
}

.icon-regular {
    width: 30px;
    height: 30px;
}

.icon-large {
    width: 32px;
    height: 32px;
}

.icon-arrow-horizontal,
.icon-arrow-vertical {
    width: 48px;
    height: 48px;
    color: #9CA3AF;
}

/* ================= Navigation ================= */
.main-nav {
    position: sticky;
    top: 0;
    width: 100%;
    background: var(--color-brand-gray);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    z-index: 1000;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1rem 0;
}

.nav-logo-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.nav-logo {
    height: 60px;
    width: auto;
    border-radius: 0;
    box-shadow: none;
}

.nav-brand {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--color-brand-orange);
}

.nav-links {
    display: none;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-brand-black);
    position: relative;
    padding-bottom: 0.3rem;
    transition: color var(--transition-default);
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.2rem;
    width: 100%;
    height: 2px;
    background: transparent;
    transition: background var(--transition-default);
}

.nav-link:hover,
.nav-link:focus-visible {
    color: var(--color-brand-orange);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
    background: var(--color-brand-orange);
}

.nav-link-active {
    color: var(--color-brand-orange);
}

.nav-link-active::after {
    background: var(--color-brand-orange);
}

.nav-actions {
    display: none;
    align-items: center;
}

.nav-actions .button {
    font-size: 0.9rem;
    line-height: 1.25rem;
    margin-right: 1rem;
}

.nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    background: transparent;
    color: var(--color-brand-black);
    cursor: pointer;
    transition: background var(--transition-default);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
    background: rgba(0, 21, 20, 0.05);
}

.mobile-menu {
    display: none;
    background: var(--color-brand-white);
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.12);
    border-radius: var(--radius-medium);
    margin: 0 1.5rem 1.5rem;
    padding: 0.75rem 0;
}

.mobile-menu.is-visible {
    display: block;
}

.mobile-menu-link {
    display: block;
    padding: 0.85rem 1.5rem;
    font-weight: 600;
    color: var(--color-brand-black);
    transition: background var(--transition-default), color var(--transition-default);
}

.mobile-menu-link:hover,
.mobile-menu-link:focus-visible {
    background: rgba(0, 21, 20, 0.04);
    color: var(--color-brand-orange);
}

.mobile-menu-link.nav-link-active {
    background: rgba(255, 115, 14, 0.12);
    color: var(--color-brand-orange);
}

.mobile-menu-button {
    margin: 0.5rem 1.5rem 0;
}

.mobile-menu-button .button {
    width: 100%;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }

    .nav-actions {
        display: flex;
    }

    .nav-toggle {
        display: none;
    }

    .mobile-menu {
        display: none !important;
    }

    .nav-logo-group { 
        margin-bottom: 0; 
    }
}

/* ================= Hero Section ================= */
.hero-section {
    background: var(--color-hero);
}

.hero-layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(2rem, 4vw, 4rem);
    padding-block: clamp(2rem, 4vw, 4rem);
}

.hero-copy {
    text-align: center;
    max-width: 560px;
}

.hero-title {
    font-size: clamp(1.75rem, 2.5vw + 1.0rem, 3.5rem);
    line-height: 1.2;
    margin-bottom: 0.75rem;
    font-weight: 800;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    align-items: center;
}

.hero-visual {
    width: 100%;
    display: flex;
    justify-content: center;
}

.hero-image {
    max-width: min(600px, 90%);
    border-radius: var(--radius-large);
}

@media (min-width: 576px) {
    .hero-actions {
        flex-direction: row;
        gap: 1.5rem;
    }
}

@media (min-width: 768px) {
    .hero-copy {
        text-align: left;
        align-self: flex-start;
    }

    .hero-actions {
        align-items: flex-start;
    }
}

@media (min-width: 992px) {
    .hero-layout {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 4.5rem;
        padding-top: 5rem;
        padding-bottom: 5rem;
    }

    .hero-copy {
        align-self: center;
        max-width: 700px;
    }

    .hero-image {
    max-width: 600px;
    }
}

/* ================= Problem Section ================= */
.problem-section {
    background: var(--color-light);
    position: relative;
    overflow: hidden;
}

.problem-layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(1.5rem, 3vw, 3rem);
    padding-block: clamp(2rem, 4vw, 4rem);
}

.problem-copy {
    max-width: 520px;
    text-align: center;
}

.problem-questions {
    margin-top: 1.5rem;
}

.problem-copy p {
    font-size: clamp(1rem, 1.2vw + 0.5rem, 1.2rem);
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.problem-copy p:last-of-type {
    margin-bottom: 2rem;
}

.problem-copy .button {
    margin-top: 1rem;
}

.problem-media {
    width: 100%;
    display: flex;
    justify-content: center;
}

.problem-image {
    max-width: min(600px, 90%);
    border-radius: var(--radius-large);
}

@media (min-width: 992px) {
    .problem-layout {
        flex-direction: row-reverse;
        justify-content: space-between;
        align-items: center;
        gap: 4rem;
    }

    .problem-copy {
        flex: 1;
        text-align: left;
        max-width: 45%;
        padding-left: 2rem;
    }

    .problem-media {
        flex: 1;
        max-width: 50%;
    }
}

/* ================= Solution Section ================= */
.solution-section {
    background: var(--color-light);
}

.solution-header {
    text-align: center;
    margin: 0 auto 3rem;
    max-width: 880px;
}

.solution-grid {
    display: grid;
    gap: clamp(2rem, 3vw, 3rem);
    margin-bottom: clamp(3rem, 6vw, 5rem);
    grid-template-columns: 1fr;
}

.info-card {
    background: var(--color-brand-white);
    border-radius: var(--radius-large);
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-default), box-shadow var(--transition-default);
    height: 100%;
    text-align: left;
}

.info-card header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.info-card .icon-circle {
    margin-bottom: 0;
    flex-shrink: 0;
}

.info-card .card-title {
    margin-bottom: 0;
    flex: 1;
    font-size: 1.25rem;
}

.info-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-strong);
}

.solution-visual {
    margin: 3rem auto 0;
    max-width: 900px;
    position: relative;
    display: block;
}

.hotspot {
    position: absolute;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 0;
    background: var(--color-brand-blue);
    color: var(--color-brand-white);
    font-weight: 700;
    font-size: 1.2rem;
    cursor: pointer;
    display: grid;
    place-items: center;
    box-shadow: 0 12px 24px rgba(0, 61, 128, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hotspot:hover,
.hotspot:focus-visible {
    transform: scale(1.08);
    box-shadow: 0 16px 30px rgba(0, 61, 128, 0.4);
    outline: 2px solid var(--color-brand-yellow);
    outline-offset: 2px;
}

.hotspot span {
    pointer-events: none;
}

.hotspot-1 {
    top: 45%;
    left: 20%;
}

.hotspot-2 {
    top: 45%;
    left: 55%;
}

.hotspot-3 {
    top: 45%;
    left: 80%;
}

.feature-modal {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 21, 20, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-default), visibility var(--transition-default);
    min-height: 100dvh;
}

.feature-modal.is-open {
    display: flex;
    opacity: 1;
    visibility: visible;
}

.feature-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(12, 32, 61, 0.55);
    backdrop-filter: blur(3px);
}

.feature-modal__content {
    background-color: var(--color-brand-gray);
    color: var(--color-brand-black);
    padding: 2.25rem;
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-strong);
    width: min(100%, 620px);
    max-height: 92dvh;
    overflow-y: hidden;
    position: relative;
    text-align: center;
    transform: scale(0.96);
    transition: transform var(--transition-default);
    animation: modal-in 0.25s ease;
}

.feature-modal__content h3 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 1.55rem;
    color: var(--color-brand-orange);
}

.feature-modal__content p {
    margin-bottom: 16px;
    color: var(--color-text);
    line-height: 1.5;
}

.feature-modal__content img {
    display: block;
    margin-inline: auto;
    max-width: 100%;
    width: clamp(280px, 50%, 520px);
    height: auto;
    border-radius: 0.75rem;
    box-shadow: 0 18px 36px rgba(41, 120, 181, 0.2);
}

.feature-modal__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    border: none;
    background: transparent;
    font-size: 2rem;
    color: var(--color-brand-black);
    cursor: pointer;
    line-height: 1;
    transition: color var(--transition-default);
}

.feature-modal__close:hover,
.feature-modal__close:focus-visible {
    color: var(--color-brand-black);
}

body.modal-open {
    overflow: hidden;
}

.solution-cta {
    margin-top: 3rem;
    text-align: center;
}

@keyframes modal-in {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (min-width: 640px) {
    .solution-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .solution-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

     .hotspot {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .feature-modal__content {
        margin: 12vh 16px;
        padding: 24px;
    }
}

@media (min-width: 1024px) {
    .solution-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}


/* ================= Process Section ================= */
.process-section {
    background: var(--color-light);
}

.process-header {
    text-align: center;
    margin: 0 auto 2.5rem;
    max-width: 820px;
}

.process-flow-desktop {
    display: none;
}

.process-step {
    background: var(--color-brand-white);
    border-radius: var(--radius-medium);
    padding: 2rem 1rem;
    box-shadow: var(--shadow-soft);
    text-align: center;
}

.process-step p {
    font-size: 0.95rem;
}

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

.process-flow-mobile {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.process-arrow-vertical {
    text-align: center;
}

.process-cta {
    margin-top: 3rem;
    text-align: center;
}

@media (min-width: 992px) {
    .process-flow-desktop {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 1.5rem;
        flex-wrap: nowrap;
    }

    .process-step {
    flex: 0 1 clamp(180px, 22vw, 260px);
    }

    .process-flow-mobile {
        display: none;
    }
}

/* ================= Advantages Section ================= */
.advantages-header {
    text-align: center;
    margin: 0 auto 3rem;
    max-width: 780px;
}

.advantages-grid {
    display: grid;
    gap: 2rem;
}

.advantage-card {
    background: var(--color-brand-white);
    border-radius: var(--radius-large);
    padding: 2.25rem 2rem;
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: transform var(--transition-default), box-shadow var(--transition-default);
}

.advantage-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-strong);
}

.advantage-card p {
    font-size: 0.95rem;
}

@media (min-width: 768px) {
    .advantages-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* ================= About Section ================= */
.about-section {
    background: var(--color-light);
}

.about-layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

.about-copy {
    max-width: 520px;
    text-align: center;
}

.about-copy p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.about-media {
    display: flex;
    justify-content: center;
    width: 100%;
}

.about-image {
    max-width: 420px;
}

@media (min-width: 992px) {
    .about-layout {
        flex-direction: row;
        align-items: center;
    }

    .about-copy {
        text-align: left;
        padding-right: 3rem;
    }
}

/* ================= Modal ================= */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 21, 20, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-default), visibility var(--transition-default);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--color-brand-gray);
    color: var(--color-brand-black);
    padding: 2.25rem;
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-strong);
    width: min(90%, 620px);
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.96);
    transition: transform var(--transition-default);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-close-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    color: var(--color-brand-black);
    cursor: pointer;
    transition: color var(--transition-default);
}

.modal-close-button:hover,
.modal-close-button:focus-visible {
    color: var(--color-brand-black);
}

.modal-title {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.modal-intro {
    margin-bottom: 1.25rem;
    color: var(--color-brand-black);
}

.modal-body {
    display: grid;
    gap: 1rem;
}

.modal-section {
    background: rgba(249, 250, 251, 0.6);
    border-radius: var(--radius-medium);
    padding: 0.75rem 1rem;
}

.modal-subtitle {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-brand-black);
    margin-bottom: 0.35rem;
}

.modal-highlight {
    font-weight: 700;
    color: var(--color-brand-orange);
}

/* ================= Footer ================= */
.footer {
    background-color: var(--color-brand-black);
    color: var(--color-brand-gray);
    padding: 48px 0;
    font-family: 'Roboto', sans-serif;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 32px;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
    text-align: left;
}

.footer-brand {
    text-align: left;
}

.footer-logo-group {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.footer-logo {
    height: 60px;
    width: auto;
    border-radius: 0;
    box-shadow: none;
}

.footer-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-brand-orange);
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.5px;
}

.footer-description {
    font-size: 14px;
    color: var(--color-brand-white);
}

.footer-contact {
    text-align: center;
}

.footer-call {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-brand-white);
    text-shadow: none !important;
}

.footer-button {
    background-color: var(--color-brand-orange);
    color: var(--color-brand-gray);
    padding: 12px 24px;
    border-radius: 6px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: background var(--transition-default);
}

.footer-button:hover,
.footer-button:focus-visible {
    background-color: var(--color-brand-orange);
}

.footer-social {
    text-align: right;
}

.footer-social-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    font-family: 'Montserrat', sans-serif;
    color: var(--color-brand-gray);
}

.footer-social-icons {
    display: flex;
    justify-content: flex-end;
    gap: 16px;
    margin-bottom: 16px;
}

.footer-icon {
    color: var(--color-brand-gray);
    width: 32px;
    height: 32px;
    transition: color var(--transition-default);
}

.footer-social-icons a:hover .footer-icon,
.footer-social-icons a:focus-visible .footer-icon {
    color: var(--color-brand-orange);
}

.footer-social-info {
    display: grid;
    gap: 8px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    font-size: 0.95rem;
}

.footer-contact-icon {
    width: 20px;
    height: 20px;
    color: var(--color-brand-orange);
}

.footer-contact-text {
    color: var(--color-brand-gray);
}

.footer-bottom {
    border-top: 1px solid var(--color-brand-brown);
    padding-top: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--color-text);
    transition: color var(--transition-default);
}

.footer-bottom a:hover,
.footer-bottom a:focus-visible {
    color: var(--color-brand-orange);
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand,
    .footer-contact,
    .footer-social {
        text-align: center;
    }

    .footer-social-icons {
        justify-content: center;
    }

    .footer-contact-item {
        justify-content: center;
    }
}