/* ===================================
   CSS Variables - Brand Colors
   =================================== */
:root {
    /* Brand Colors */
    --primary-color: #0080C1;
    --secondary-color: #F58634;
    --dark-blue: #005484;
    --white: #FFFFFF;
    
    /* Additional Colors */
    --bg-light: #F8FAFB;
    --bg-dark: #0A1E2E;
    --text-dark: #1A2332;
    --text-light: #5A6C7D;
    --border-color: #E1E8ED;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Spacing */
    --section-padding: 100px;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
}

/* ===================================
   Global Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

.section--dark {
    background-color: var(--bg-dark);
    color: var(--white);
}

/* Section Headers */
.section__header {
    text-align: center;
    margin-bottom: 60px;
}

.section__subtitle {
    display: inline-block;
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.section__title {
    font-size: 42px;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.section--dark .section__title {
    color: var(--white);
}

.section__description {
    font-size: 18px;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

.section--dark .section__description {
    color: rgba(255, 255, 255, 0.8);
}

/* Highlight Text */
.highlight {
    color: var(--primary-color);
    position: relative;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
}

.btn--primary {
    background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
    color: var(--white);
    box-shadow: 0 4px 16px rgba(0, 128, 193, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 128, 193, 0.4);
}

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

.btn--secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

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

/* ===================================
   Header & Navigation
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-normal);
}

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

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

.nav__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

.nav__logo-icon {
    font-size: 28px;
    color: var(--secondary-color);
}

.nav__menu {
    display: flex;
}

.nav__list {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav__link {
    font-size: 15px;
    font-weight: var(--font-weight-medium);
    color: var(--text-dark);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-normal);
}

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

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

.nav__link--cta {
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
    color: var(--white);
    border-radius: var(--radius-sm);
}

.nav__link--cta::after {
    display: none;
}

.nav__link--cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 128, 193, 0.3);
}

.nav__toggle,
.nav__close {
    display: none;
    font-size: 24px;
    color: var(--text-dark);
    cursor: pointer;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    padding-top: 160px;
    padding-bottom: 100px;
    background: linear-gradient(135deg, #F8FAFB 0%, #FFFFFF 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 128, 193, 0.03) 0%, rgba(0, 84, 132, 0.06) 100%);
    z-index: 0;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero__subtitle {
    display: inline-block;
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.hero__title {
    font-size: 56px;
    font-weight: var(--font-weight-extrabold);
    line-height: 1.1;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.hero__description {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 32px;
}

.hero__buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

.hero__stats {
    display: flex;
    gap: 50px;
}

.hero__stat {
    display: flex;
    flex-direction: column;
}

.hero__stat-number {
    font-size: 36px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 8px;
}

.hero__stat-label {
    font-size: 14px;
    color: var(--text-light);
}

/* Hero Visual */
.hero__visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 500px;
}

.hero__graphic {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero__center-graphic {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: var(--white);
    box-shadow: 0 20px 60px rgba(0, 128, 193, 0.3);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translate(-50%, -50%) translateY(0);
    }
    50% {
        transform: translate(-50%, -50%) translateY(-20px);
    }
}

.floating-card {
    position: absolute;
    background-color: var(--white);
    padding: 20px 28px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: var(--font-weight-semibold);
    animation: floatCard 4s ease-in-out infinite;
}

.floating-card i {
    font-size: 24px;
    color: var(--primary-color);
}

.floating-card.card-1 {
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.floating-card.card-2 {
    top: 15%;
    right: 10%;
    animation-delay: 1s;
}

.floating-card.card-3 {
    bottom: 20%;
    left: 0;
    animation-delay: 2s;
}

.floating-card.card-4 {
    bottom: 15%;
    right: 5%;
    animation-delay: 3s;
}

@keyframes floatCard {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

.hero__scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.hero__scroll-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 16px;
    transition: all var(--transition-normal);
    animation: scrollBounce 2s ease-in-out infinite;
}

.hero__scroll-link:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.logo {
    width: 120px;
}

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

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

.about__content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: start;
}

.about__description {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 24px;
}

.about__highlights {
    display: grid;
    gap: 16px;
    margin-top: 32px;
}

.about__highlight {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: var(--text-dark);
}

.about__highlight i {
    font-size: 20px;
    color: var(--primary-color);
}

.about__values {
    display: grid;
    gap: 24px;
}

.value-card {
    background-color: var(--bg-light);
    padding: 32px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
    transition: all var(--transition-normal);
}

.value-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.value-card__icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--white);
    margin-bottom: 20px;
}

.value-card__title {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: 12px;
}

.value-card__text {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-light);
}

/* ===================================
   Solutions Section
   =================================== */
.solutions__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.solution-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

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

.solution-card:hover {
    background-color: rgba(255, 255, 255, 0.08);
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

.solution-card--featured {
    background: linear-gradient(135deg, rgba(0, 128, 193, 0.15), rgba(0, 84, 132, 0.15));
    border-color: var(--primary-color);
}

.solution-card__badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
}

.solution-card__icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--white);
    margin-bottom: 24px;
}

.solution-card__title {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--white);
    margin-bottom: 16px;
}

.solution-card__description {
    font-size: 16px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 24px;
}

.solution-card__features {
    list-style: none;
    display: grid;
    gap: 12px;
}

.solution-card__features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.9);
}

.solution-card__features i {
    color: var(--secondary-color);
    font-size: 14px;
}

/* ===================================
   Differentials Section
   =================================== */
.differentials__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.differential-card {
    background-color: var(--bg-light);
    padding: 40px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.differential-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.differential-card__icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--white);
    margin: 0 auto 24px;
    transition: all var(--transition-normal);
}

.differential-card:hover .differential-card__icon {
    transform: scale(1.1) rotate(5deg);
}

.differential-card__title {
    font-size: 22px;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: 16px;
}

.differential-card__description {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-light);
}

/* ===================================
   Process Section
   =================================== */
.process__timeline {
    display: grid;
    gap: 40px;
    position: relative;
}

.process__timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    transform: translateX(-50%);
}

.process__step {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
}

.process__step:nth-child(even) .process__step-number {
    order: 2;
}

.process__step:nth-child(even) .process__step-content {
    order: 1;
    text-align: right;
}

.process__step-number {
    font-size: 80px;
    font-weight: var(--font-weight-extrabold);
    color: rgba(255, 255, 255, 0.1);
    line-height: 1;
    text-align: center;
    position: relative;
}

.process__step-number::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -30px;
    width: 20px;
    height: 20px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    border: 4px solid var(--bg-dark);
    transform: translateY(-50%);
}

.process__step:nth-child(even) .process__step-number::after {
    right: auto;
    left: -30px;
}

.process__step-content {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.process__step-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--white);
    margin-bottom: 20px;
}

.process__step:nth-child(even) .process__step-icon {
    margin-left: auto;
}

.process__step-title {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--white);
    margin-bottom: 12px;
}

.process__step-description {
    font-size: 16px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
}

/* ===================================
   Cases Section
   =================================== */
.cases__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.case-card {
    background-color: var(--bg-light);
    padding: 40px;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.case-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.case-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.case-card__icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--white);
}

.case-card__category {
    font-size: 13px;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--secondary-color);
}

.case-card__title {
    font-size: 22px;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: 16px;
}

.case-card__description {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 28px;
}

.case-card__results {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    padding: 24px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.case-card__result {
    display: flex;
    flex-direction: column;
}

.case-card__result-value {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 8px;
}

.case-card__result-label {
    font-size: 14px;
    color: var(--text-light);
}

.case-card__tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.case-card__tag {
    padding: 6px 16px;
    background-color: rgba(0, 128, 193, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 13px;
    font-weight: var(--font-weight-medium);
}

/* ===================================
   CTA Section
   =================================== */
.cta__container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.cta__title {
    font-size: 42px;
    font-weight: var(--font-weight-bold);
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 20px;
}

.cta__description {
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
}

.cta__features {
    display: grid;
    gap: 16px;
}

.cta__feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: var(--white);
}

.cta__feature i {
    font-size: 20px;
    color: var(--secondary-color);
}

.cta__form-wrapper {
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.cta__form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form__group {
    display: flex;
    flex-direction: column;
}

.form__group--full {
    grid-column: 1 / -1;
}

.form__label {
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form__input,
.form__textarea {
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: var(--font-primary);
    color: var(--text-dark);
    transition: all var(--transition-normal);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 128, 193, 0.1);
}

.form__textarea {
    resize: vertical;
    min-height: 100px;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--bg-dark);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer__content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--white);
    margin-bottom: 20px;
}

.footer__logo-icon {
    font-size: 28px;
    color: var(--secondary-color);
}

.footer__description {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
}

.footer__social {
    display: flex;
    gap: 12px;
}

.footer__social-link {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 16px;
    transition: all var(--transition-normal);
}

.footer__social-link:hover {
    background-color: var(--primary-color);
    transform: translateY(-4px);
}

.footer__title {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: var(--white);
    margin-bottom: 24px;
}

.footer__list {
    list-style: none;
    display: grid;
    gap: 12px;
}

.footer__link {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.footer__link:hover {
    color: var(--secondary-color);
    padding-left: 4px;
}

.footer__contact {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
}

.footer__contact i {
    color: var(--secondary-color);
    font-size: 16px;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.footer__legal {
    display: flex;
    gap: 24px;
}

.footer__legal-link {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer__legal-link:hover {
    color: var(--secondary-color);
}

/* ===================================
   Scroll to Top Button
   =================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 128, 193, 0.4);
}

/* ===================================
   Responsive Design
   =================================== */

/* Tablet (max-width: 992px) */
@media screen and (max-width: 992px) {
    :root {
        --section-padding: 70px;
    }
    
    .section__title {
        font-size: 36px;
    }
    
    .hero__container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero__title {
        font-size: 42px;
    }
    
    .hero__visual {
        height: 400px;
    }
    
    .about__content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .solutions__grid {
        grid-template-columns: 1fr;
    }
    
    .differentials__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process__step {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .process__timeline::before {
        left: 30px;
    }
    
    .process__step-number {
        text-align: left;
        font-size: 60px;
    }
    
    .process__step-number::after {
        left: -30px !important;
        right: auto !important;
    }
    
    .process__step:nth-child(even) .process__step-content {
        order: 2;
        text-align: left;
    }
    
    .process__step:nth-child(even) .process__step-icon {
        margin-left: 0;
    }
    
    .cases__grid {
        grid-template-columns: 1fr;
    }
    
    .cta__container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer__content {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

/* Mobile (max-width: 768px) */
@media screen and (max-width: 768px) {
    :root {
        --section-padding: 50px;
    }
    
    .section__title {
        font-size: 30px;
    }
    
    .section__description {
        font-size: 16px;
    }
    
    /* Navigation Mobile */
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background-color: var(--white);
        box-shadow: -4px 0 16px rgba(0, 0, 0, 0.1);
        padding: 80px 30px 30px;
        transition: right var(--transition-normal);
        z-index: 100;
    }
    
    .nav__menu.show-menu {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        gap: 24px;
        align-items: flex-start;
    }
    
    .nav__link::after {
        bottom: -4px;
    }
    
    .nav__close {
        display: block;
        position: absolute;
        top: 24px;
        right: 24px;
    }
    
    .nav__toggle {
        display: block;
    }
    
    /* Hero */
    .hero {
        padding-top: 120px;
        padding-bottom: 60px;
    }
    
    .hero__title {
        font-size: 32px;
    }
    
    .hero__description {
        font-size: 16px;
    }
    
    .hero__buttons {
        flex-direction: column;
    }
    
    .hero__stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .hero__visual {
        height: 300px;
    }
    
    .hero__center-graphic {
        width: 150px;
        height: 150px;
        font-size: 60px;
    }
    
    .floating-card {
        padding: 16px 20px;
        font-size: 14px;
    }
    
    .floating-card i {
        font-size: 20px;
    }
    
    /* Differentials */
    .differentials__grid {
        grid-template-columns: 1fr;
    }
    
    /* CTA Form */
    .cta__form {
        grid-template-columns: 1fr;
    }
    
    .cta__title {
        font-size: 30px;
    }
    
    /* Footer */
    .footer__content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer__bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer__legal {
        flex-direction: column;
        gap: 12px;
    }
}

/* Small Mobile (max-width: 480px) */
@media screen and (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .section__title {
        font-size: 26px;
    }
    
    .hero__title {
        font-size: 28px;
    }
    
    .hero__stat-number {
        font-size: 28px;
    }
    
    .case-card__results {
        grid-template-columns: 1fr;
    }
    
    .solution-card,
    .differential-card,
    .case-card,
    .process__step-content {
        padding: 24px;
    }
}

/* Animation classes */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}