/* ===================================
   CSS Variables & Design System
   VM Berno - Engenharia de Estradas
   =================================== */
:root {
    /* ===== ESTRUTURA (Azuis Institucionais) ===== */
    --color-deep-navy: #002642;
    /* Cor principal, fundos escuros, seriedade */
    --color-classic-blue: #0F4C81;
    /* Secundária, links, destaque sóbrio */
    --color-steel-blue: #4682B4;
    /* Elementos gráficos de apoio */

    /* ===== TERRENO (Cinzas e Neutros) ===== */
    --color-asphalt: #1C1C1C;
    /* Texto principal, dark mode */
    --color-concrete: #6B7280;
    /* Texto secundário, ícones */
    --color-pavement: #E5E7EB;
    /* Fundos claros, cards */
    --color-white: #FFFFFF;
    /* Fundo padrão, contraste máximo */

    /* ===== SINALIZAÇÃO (Acentos) ===== */
    --color-safety-orange: #E65100;
    /* CTA, alertas, capacetes */
    --color-warning-yellow: #FFD600;
    /* Detalhes, alta visibilidade */
    --color-approval-green: #2E7D32;
    /* Sucesso, status positivo */

    /* ===== GRADIENTES ===== */
    --gradient-horizon: linear-gradient(135deg, #002642 0%, #0F4C81 100%);
    --gradient-steel: linear-gradient(135deg, #1C1C1C 0%, #4B5563 100%);

    /* ===== TIPOGRAFIA ===== */
    --font-heading: 'Barlow', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Roboto Mono', monospace;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow-blue: 0 0 30px rgba(15, 76, 129, 0.3);
    --shadow-glow-orange: 0 0 30px rgba(230, 81, 0, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;

    /* Container */
    --container-max-width: 1200px;
    --container-padding: 2rem;
}

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

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

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-asphalt);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
}

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

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

/* ===================================
   Utility Classes
   =================================== */
.mobile-only {
    display: none;
}

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

.section {
    padding: var(--spacing-4xl) 0;
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section__subtitle {
    display: inline-block;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #0f4c81;
    margin-bottom: var(--spacing-md);
}

.section__title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    margin-bottom: var(--spacing-lg);
    color: var(--color-deep-navy);
}

.section__description {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    color: var(--color-concrete);
    max-width: 600px;
    margin: 0 auto;
}

.gradient-text {
    font-family: var(--font-heading);
    font-weight: 700;
    background: var(--gradient-horizon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
    cursor: pointer;
}

.btn--primary {
    background: var(--color-deep-navy);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
    background: var(--color-classic-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow-blue);
}

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

.btn--secondary:hover {
    background: var(--color-steel-blue);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--text-lg);
}

/* ===================================
   Header & Navigation
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #ffffff;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav__logo {
    display: flex;
    align-items: center;
}

.nav__logo-img {
    height: 70px;
    width: auto;
    object-fit: contain;
}

.nav__logo-text {
    display: flex;
    flex-direction: column;
    margin-left: 12px;
}

.nav__logo-name {
    font-family: 'Barlow', serif;
    font-weight: 700;
    font-size: 2.2rem;
    color: #002642;
    line-height: 1.2;
}

.nav__logo-subtitle {
    font-family: 'Roboto Mono', monospace;
    font-weight: 600;
    font-size: 1.2rem;
    color: #0f4c81;
    line-height: 1.2;
}

.nav__menu {
    display: flex;
    align-items: center;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav__link {
    font-family: 'Roboto Mono', monospace;
    font-weight: 400;
    font-size: 1.1rem;
    color: #1c1c1c;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.nav__link:hover {
    color: var(--color-primary);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__link.active {
    color: #2a4b57;
    font-weight: 600;
}

.nav__link.active::after {
    width: 100%;
    background: #2a4b57;
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav__btn {
    font-family: 'Barlow', sans-serif;
    font-weight: 600;
    background: #4682b4;
    color: #ffffff;
    border-radius: var(--radius-full);
    padding: 0.75rem 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(70, 130, 180, 0.3);
}

.nav__btn:hover {
    background: #3a6d94;
    box-shadow: 0 10px 15px -3px rgba(70, 130, 180, 0.4);
}

.nav__social {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-left: var(--spacing-md);
}

.nav__social a {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2a4b57;
    transition: all var(--transition-base);
}

.nav__social a:hover {
    color: #8ab0ab;
    transform: scale(1.1);
}

.nav__toggle,
.nav__close {
    display: none;
    font-size: var(--text-2xl);
    color: var(--color-gray-700);
    cursor: pointer;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    padding: 80px 0 0;
    position: relative;
    overflow: hidden;
    background: #e5e7eb;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero__content {
    animation: fadeInUp 1s ease-out;
}

.hero__title {
    font-family: 'Barlow', sans-serif;
    font-weight: 800;
    font-size: clamp(3.5rem, 7vw, 5.5rem);
    color: #002642;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero__title-highlight {
    color: #0f4c81;
    display: block;
    font-size: 0.45em;
    font-weight: 600;
}

.hero__description {
    font-family: 'Barlow', sans-serif;
    font-weight: 400;
    font-size: var(--text-2xl);
    color: #4b5563;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
    max-width: 550px;
}

.hero__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.hero__cta-btn {
    font-family: 'Barlow', sans-serif;
    font-weight: 600;
    background: #002642;
    color: #ffffff;
    border: 2px solid #002642;
    border-radius: var(--radius-full);
    padding: 1rem 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 38, 66, 0.3);
}

.hero__cta-btn:hover {
    background: #001a2e;
    border-color: #001a2e;
    box-shadow: 0 10px 15px -3px rgba(0, 38, 66, 0.4);
}

.hero__secondary-btn {
    font-family: 'Barlow', sans-serif;
    font-weight: 600;
    color: #4682b4;
    background: transparent;
    border: 2px solid #4682b4;
    border-radius: var(--radius-full);
    padding: 1rem 2rem;
}

.hero__secondary-btn:hover {
    background: #4682b4;
    color: #ffffff;
}

.hero__image {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    animation: fadeInRight 1s ease-out;
}

.hero__road-img {
    max-width: 100%;
    height: auto;
    max-height: 700px;
    object-fit: contain;
}

/* ===================================
   About Section
   =================================== */
.about__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

@media screen and (max-width: 1024px) {
    .about__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 600px) {
    .about__grid {
        grid-template-columns: 1fr;
    }
}

.about__card {
    padding: var(--spacing-2xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--color-pavement);
}

.about__card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-steel-blue);
}

.about__card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.about__card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.about__card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.about__card-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: var(--text-lg);
    margin: 0;
    color: var(--color-deep-navy);
    text-align: left;
}

.about__card-description {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--color-concrete);
    line-height: 1.7;
}

.about__card-list {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.about__card-list li {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--color-concrete);
    line-height: 1.8;
    padding-left: 1.2rem;
    position: relative;
}

.about__card-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-steel-blue);
    font-weight: bold;
}

.about__cta {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

.about__cta-btn {
    background: var(--gradient-horizon);
    box-shadow: 0 4px 6px -1px rgba(0, 38, 66, 0.3);
}

.about__cta-btn:hover {
    background: var(--color-classic-blue);
    box-shadow: 0 10px 15px -3px rgba(0, 38, 66, 0.4);
}

/* Cards Carousel */
.cards-carousel {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    position: relative;
    margin-top: var(--spacing-xl);
}

.cards-carousel__container {
    flex: 1;
    overflow: hidden;
}

.cards-carousel__track {
    display: flex;
    gap: var(--spacing-xl);
    transition: transform 0.5s ease-in-out;
}

.cards-carousel__card {
    min-width: calc(33.333% - var(--spacing-xl) * 2 / 3);
    padding: var(--spacing-2xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--color-pavement);
    text-align: center;
}

.cards-carousel__card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-steel-blue);
}

.cards-carousel__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-white);
    color: var(--color-deep-navy);
    border: 2px solid var(--color-deep-navy);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.cards-carousel__btn:hover {
    background: var(--color-deep-navy);
    color: var(--color-white);
    transform: scale(1.1);
}

@media screen and (max-width: 1024px) {
    .cards-carousel__card {
        min-width: calc(50% - var(--spacing-xl) / 2);
    }
}

@media screen and (max-width: 768px) {
    .cards-carousel {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .cards-carousel__card {
        min-width: 100%;
    }

    .cards-carousel__container {
        width: 100%;
        order: 1;
    }

    .cards-carousel__btn--prev {
        order: 2;
    }

    .cards-carousel__btn--next {
        order: 3;
    }

    .cards-carousel {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .cards-carousel__container {
        order: 1;
        width: 100%;
    }
}

/* ===================================
   How It Works Section - Carousel
   =================================== */
.how-it-works {
    background: #e5e7eb;
}

/* Carousel Styles - Modern */
.carousel {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.carousel__container {
    overflow: hidden;
    border-radius: var(--radius-2xl);
    box-shadow:
        0 25px 50px -12px rgba(0, 38, 66, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    position: relative;
}

.carousel__container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-deep-navy), var(--color-steel-blue), var(--color-warning-yellow));
    z-index: 10;
}

.carousel__track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.carousel__slide {
    min-width: 100%;
    position: relative;
}

.carousel__image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, var(--color-deep-navy) 0%, var(--color-asphalt) 100%);
}

.carousel__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), filter 0.5s ease;
    filter: brightness(0.9);
}

.carousel__slide:hover .carousel__image {
    transform: scale(1.08);
    filter: brightness(1);
}

.carousel__caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-2xl) var(--spacing-xl);
    background: linear-gradient(to top,
            rgba(0, 38, 66, 0.4) 0%,
            rgba(0, 38, 66, 0.2) 40%,
            transparent 100%);
    color: var(--color-white);
    backdrop-filter: blur(2px);
}

.carousel__caption-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.carousel__number {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-warning-yellow);
    opacity: 0.8;
    line-height: 1;
    margin-bottom: 0;
}

.carousel__title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: var(--text-3xl);
    color: var(--color-white);
    margin-bottom: 0;
    letter-spacing: -0.02em;
}

.carousel__description {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    max-width: 600px;
}

/* Carousel Controls - Overlay */
.carousel__controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.carousel__btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel__btn:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: translateY(-50%) scale(1.1);
}

.carousel__btn--prev {
    left: var(--spacing-lg);
}

.carousel__btn--next {
    right: var(--spacing-lg);
}

.carousel__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), filter 0.5s ease;
    filter: brightness(0.9);
    cursor: pointer;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    opacity: 1;
}

.modal__content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90vh;
    border-radius: var(--radius-lg);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    animation: zoomIn 0.3s ease;
}

.modal__close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    z-index: 2001;
}

.modal__close:hover,
.modal__close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0
    }

    to {
        transform: scale(1);
        opacity: 1
    }
}

.carousel__btn:active {
    transform: scale(1.05);
}

.carousel__dots {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
}

.carousel__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-concrete);
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
}

.carousel__dot::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.carousel__dot:hover {
    background: var(--color-steel-blue);
}

.carousel__dot.active {
    background: var(--color-deep-navy);
    transform: scale(1.3);
}

.carousel__dot.active::after {
    border-color: var(--color-steel-blue);
}

/* Progress bar animation */
.carousel__progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--color-warning-yellow);
    width: 0%;
    animation: progressBar 5s linear infinite;
}

@keyframes progressBar {
    0% {
        width: 0%;
    }

    100% {
        width: 100%;
    }
}

@media screen and (max-width: 768px) {
    .carousel__caption {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .carousel__number {
        font-size: var(--text-3xl);
    }

    .carousel__title {
        font-size: var(--text-xl);
    }

    .carousel__description {
        font-size: var(--text-base);
    }

    .carousel__btn {
        width: 44px;
        height: 44px;
    }

    .carousel__controls {
        gap: var(--spacing-md);
    }

    .carousel__controls {
        gap: var(--spacing-md);
    }

    .carousel__image-wrapper {
        aspect-ratio: 4/3;
    }
}

/* ===================================
   Benefits Section
   =================================== */
.benefits {
    background: var(--color-pavement);
}

.benefits .section__subtitle {
    color: #0f4c81;
}

.benefits .section__title {
    color: var(--color-deep-navy);
}

.benefits__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

@media screen and (max-width: 1024px) {
    .benefits__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 600px) {
    .benefits__grid {
        grid-template-columns: 1fr;
    }
}

.benefits__item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-pavement);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.benefits__item:hover {
    background: var(--color-white);
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-steel-blue);
}

.benefits__item svg {
    flex-shrink: 0;
    color: var(--color-approval-green);
    margin-top: 2px;
}

.benefits__item span {
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--color-deep-navy);
    line-height: 1.6;
}

.benefits__total {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-deep-navy);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-deep-navy);
    box-shadow: var(--shadow-sm);
}

.benefits__total-label {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.benefits__total-value {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-warning-yellow);
    line-height: 1.6;
}

/* ===================================
   Testimonial Section
   =================================== */
.testimonial {
    background: var(--color-pavement);
}

.testimonial__card {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-3xl);
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    position: relative;
}

.testimonial__quote {
    position: absolute;
    top: var(--spacing-xl);
    left: var(--spacing-xl);
    color: var(--color-steel-blue);
    opacity: 0.2;
}

.testimonial__text {
    font-family: var(--font-body);
    font-size: var(--text-xl);
    line-height: 1.8;
    color: var(--color-asphalt);
    font-style: italic;
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.testimonial__author {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.testimonial__author strong {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-safety-orange);
    font-size: var(--text-lg);
}

.testimonial__author span {
    color: var(--color-gray-500);
    font-size: var(--text-sm);
}

/* ===================================
   FAQ Section
   =================================== */
.faq__container {
    max-width: 800px;
    margin: 0 auto;
}

.faq__item {
    margin-bottom: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq__item:hover {
    box-shadow: var(--shadow-lg);
}

.faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl);
    font-family: 'Barlow', sans-serif;
    font-size: var(--text-lg);
    font-weight: 600;
    color: #1c1c1c;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-base);
}

.faq__question:hover {
    color: #4682b4;
}

.faq__question svg {
    flex-shrink: 0;
    transition: transform var(--transition-base);
    color: #8ab0ab;
}

.faq__item.active .faq__question svg {
    transform: rotate(180deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq__item.active .faq__answer {
    max-height: 500px;
}

.faq__answer p {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    font-family: 'Roboto Mono', monospace;
    font-weight: 400;
    color: #002642;
    line-height: 1.8;
    text-align: justify;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background: #e5e7eb;
}

.contact__container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact__info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: #4682b4;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.contact__info-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
    background: #3a6d94;
}

.contact__info-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-card);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact__info-icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.contact__info-item h4 {
    font-family: 'Roboto Mono', monospace;
    font-size: var(--text-sm);
    font-weight: 600;
    color: #e0e0e0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.contact__info-item a {
    font-family: 'Roboto Mono', monospace;
    font-size: var(--text-lg);
    font-weight: 400;
    color: #ffffff;
}

.contact__info-item a:hover {
    color: var(--color-warning-yellow);
}

.contact__form {
    padding: var(--spacing-2xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.form__group {
    margin-bottom: var(--spacing-xl);
}

.form__group label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    color: #002642;
    margin-bottom: var(--spacing-sm);
}

.form__group input,
.form__group textarea {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: inherit;
    font-size: var(--text-base);
    color: var(--color-gray-900);
    background: var(--color-gray-50);
    border: 2px solid #002642;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.form__group input:focus,
.form__group textarea:focus {
    outline: none;
    border-color: #8ab0ab;
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(42, 75, 87, 0.1);
}

.form__group textarea {
    resize: vertical;
    min-height: 120px;
}

.form__message {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    text-align: center;
    display: none;
}

.contact__submit-btn {
    background: #002642;
    color: #ffffff;
    font-family: var(--font-heading);
    font-weight: 600;
    box-shadow: 0 4px 6px -1px rgba(0, 38, 66, 0.3);
}

.contact__submit-btn:hover {
    background: #001a2e;
    box-shadow: 0 10px 15px -3px rgba(0, 38, 66, 0.4);
}

.form__message.success {
    display: block;
    background: #D1FAE5;
    color: #065F46;
}

.form__message.error {
    display: block;
    background: #FEE2E2;
    color: #991B1B;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: #e2e8e4;
    padding: var(--spacing-xl) 0;
}

.footer__bottom {
    text-align: center;
}

.footer__bottom p {
    font-family: 'Lato', sans-serif;
    color: #2a4b57;
    font-size: var(--text-sm);
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0) translateX(-50%);
    }

    50% {
        transform: translateY(-10px) translateX(-50%);
    }
}

[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

[data-animate].animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   WhatsApp Float
   =================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50%;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    background-color: #20b85a;
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.3);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: #ffffff;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1200px) {
    .hero__container {
        grid-template-columns: 1fr;
        gap: var(--spacing-3xl);
    }

    .hero__image {
        order: -1;
    }

    .contact__container {
        grid-template-columns: 1fr;
    }

    .footer__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--color-white);
        box-shadow: var(--shadow-2xl);
        padding: var(--spacing-3xl) var(--spacing-xl);
        transition: right var(--transition-base);
    }

    .nav__menu.show-menu {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xl);
    }

    .nav__toggle,
    .nav__close {
        display: block;
    }

    .mobile-only {
        display: block;
        width: 100%;
    }

    .mobile-only .btn {
        width: 100%;
        justify-content: center;
    }

    .nav__close {
        position: absolute;
        top: var(--spacing-xl);
        right: var(--spacing-xl);
    }

    .nav__actions .btn {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    .section {
        padding: var(--spacing-3xl) 0;
    }

    .hero__buttons {
        flex-direction: column;
    }

    .hero__buttons .btn {
        width: 100%;
    }

    .about__grid,
    .how-it-works__grid {
        grid-template-columns: 1fr;
    }

    .benefits__grid {
        grid-template-columns: 1fr;
    }

    .testimonial__card {
        padding: var(--spacing-xl);
    }

    .testimonial__text {
        font-size: var(--text-lg);
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: var(--text-3xl);
    }

    .hero__description {
        font-size: var(--text-base);
    }

    .section__title {
        font-size: var(--text-2xl);
    }
}