/* ===================================
   HAIKI - Sistema de Gestão de Resíduos
   CSS Principal - Design B2B Enterprise
   =================================== */

/* === ROOT & VARIABLES === */
:root {
    /* Paleta de Cores Haiki - Amarelo Vibrante + Cinza Escuro */
    --color-primary: #DIFF20;
    --color-primary-dark: #c4e018;
    --color-primary-light: #e5ff4a;
    --color-secondary: #1F2937;
    --color-secondary-dark: #111827;
    
    /* Cores Neutras */
    --color-dark: #1a1a1a;
    --color-gray-900: #2d3748;
    --color-gray-700: #4a5568;
    --color-gray-500: #718096;
    --color-gray-300: #cbd5e0;
    --color-gray-100: #f7fafc;
    --color-white: #ffffff;
    
    /* Cores de Status */
    --color-success: #DIFF20;
    --color-warning: #ffa500;
    --color-error: #e74c3c;
    --color-info: #DIFF20;
    
    /* Cores de Problemas (Cards de Dor) */
    --color-red: #e74c3c;
    --color-orange: #ff9a3c;
    --color-yellow: #f39c12;
    --color-blue: #3498db;
    
    /* Tipografia */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Tamanhos de Fonte */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transições */
    --transition: all 0.3s ease;
    
    /* Container */
    --container-max-width: 1200px;
    
    /* Header Height */
    --header-height: 80px;
}

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-700);
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

a:hover {
    color: var(--color-primary);
}

/* Links com underline animado */
p a, 
.card__text a {
    border-bottom: 2px solid transparent;
}

p a:hover,
.card__text a:hover {
    border-bottom-color: var(--color-primary);
}

/* === UTILITIES === */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.center {
    text-align: center;
}

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

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

.nav {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.logo-img {
    height: 45px;
    width: auto;
}

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

.nav__list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav__link {
    font-weight: 500;
    color: var(--color-gray-700);
    padding: var(--spacing-xs) 0;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    transition: var(--transition);
    border-radius: 2px;
}

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

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
    background-color: var(--color-primary);
}

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

.nav__toggle,
.nav__close {
    display: none;
    font-size: var(--font-size-2xl);
    cursor: pointer;
    color: var(--color-gray-900);
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: 700;
    text-align: center;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 3px solid transparent;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.btn-txt-white {
    color: white;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn--primary-1 {
    color: var(--color-primary-dark);
    background-color: #111827 !important;
    box-shadow: 0 4px 15px #deff20d1;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-secondary);
    box-shadow: 0 4px 15px #deff20d1;
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(223, 255, 32, 0.5);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-secondary);
    border-color: var(--color-primary);
    box-shadow: 0 4px 15px rgba(223, 255, 32, 0.2);
}

.btn--secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(223, 255, 32, 0.4);
}

.btn--whatsapp {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

.btn--whatsapp:hover {
    background: linear-gradient(135deg, #128c7e 0%, #25d366 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
}

.btn--large {
    padding: 1.125rem 2.5rem;
    font-size: var(--font-size-lg);
}

.btn--full {
    width: 100%;
}

/* === HERO SECTION === */
.hero {
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 50%;
    height: 120%;
    background: radial-gradient(circle, rgba(223, 255, 32, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -10%;
    width: 40%;
    height: 100%;
    background: radial-gradient(circle, rgba(31, 41, 55, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 10s ease-in-out infinite reverse;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero__content {
    position: relative;
    z-index: 1;
}

.hero__title {
    font-size: var(--font-size-5xl);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
    position: relative;
}

.hero__title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 120px;
    height: 6px;
    background: linear-gradient(90deg, var(--color-primary) 0%, transparent 100%);
    border-radius: 3px;
}

.hero__description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

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

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

.hero__illustration {
    position: relative;
    width: 500px;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle, rgba(223, 255, 32, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero__illustration i {
    position: absolute;
    font-size: 4.5rem;
    color: var(--color-primary);
    opacity: 0.8;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 4px 10px rgba(223, 255, 32, 0.3));
}

.hero__illustration i:nth-child(1) {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.hero__illustration i:nth-child(2) {
    top: 10%;
    right: 10%;
    animation-delay: 1.5s;
}

.hero__illustration i:nth-child(3) {
    bottom: 10%;
    left: 10%;
    animation-delay: 3s;
}

.hero__illustration i:nth-child(4) {
    bottom: 10%;
    right: 10%;
    animation-delay: 4.5s;
}

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

/* === SECTION HEADERS === */
.section__header {
    margin-bottom: var(--spacing-2xl);
}

.section__label {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-secondary);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 4px 15px rgba(223, 255, 32, 0.3);
}

.section__label--white {
    color: var(--color-secondary);
    background: var(--color-primary);
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 25px rgba(223, 255, 32, 0.5);
}

.section__title {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.section__title::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 2px;
}

.center .section__title::before {
    left: 50%;
    transform: translateX(-50%);
}

.section__title:not(.center *)::before {
    left: 0;
    transform: none;
}

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

.section__description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-700);
    max-width: 700px;
    margin: var(--spacing-md) auto 0;
}

/* === ABOUT INTRO === */
.about-intro {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

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

.about-intro__card {
    text-align: center;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    background-color: var(--color-gray-100);
    transition: var(--transition);
}

.about-intro__card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card__icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    font-size: var(--font-size-3xl);
    box-shadow: 0 8px 20px rgba(223, 255, 32, 0.4);
    position: relative;
}

.card__icon::after {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    opacity: 0.3;
    z-index: -1;
    filter: blur(10px);
}

.card__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.card__text {
    color: var(--color-gray-700);
    line-height: 1.7;
}

/* === PROBLEMS SECTION === */
.problems {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-gray-100);
}

.problems__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.problem__card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.problem__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, transparent 100%);
}

.problem__card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.card__icon--red { background-color: rgba(231, 76, 60, 0.1); color: var(--color-red); }
.card__icon--orange { background-color: rgba(255, 154, 60, 0.1); color: var(--color-orange); }
.card__icon--yellow { background-color: rgba(243, 156, 18, 0.1); color: var(--color-yellow); }
.card__icon--blue { background-color: rgba(52, 152, 219, 0.1); color: var(--color-blue); }

.problem__card .card__icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-2xl);
}

/* === CORE PROBLEM === */
.core-problem {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-secondary-dark) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.core-problem::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(223, 255, 32, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.core-problem__content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.core-problem__text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
    margin-top: var(--spacing-lg);
}

/* === SOLUTION SECTION === */
.solution {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.solution__benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.benefit__item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: 2px solid var(--color-gray-100);
    border-left: 4px solid var(--color-primary);
}

.benefit__item:hover {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-secondary);
    transform: translateX(8px);
    box-shadow: 0 8px 20px rgba(223, 255, 32, 0.3);
    border-left-width: 6px;
}

.benefit__item i {
    color: var(--color-primary);
    font-size: var(--font-size-xl);
    flex-shrink: 0;
}

.benefit__item:hover i {
    color: var(--color-secondary);
}

.benefit__item span {
    font-weight: 500;
}

.solution__differential {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, rgba(223, 255, 32, 0.1) 0%, rgba(223, 255, 32, 0.05) 100%);
    border-radius: var(--radius-xl);
    border: 3px solid var(--color-primary);
    position: relative;
    overflow: hidden;
}

.solution__differential::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.differential__content {
    display: flex;
    gap: var(--spacing-xl);
    align-items: flex-start;
}

.differential__icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    font-size: var(--font-size-3xl);
    box-shadow: 0 8px 25px rgba(223, 255, 32, 0.4);
}

.differential__text h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.differential__text p {
    font-size: var(--font-size-lg);
    line-height: 1.8;
}

/* === METHODOLOGY === */
.methodology {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-gray-100);
}

.methodology__timeline {
    max-width: 900px;
    margin: 0 auto;
}

.timeline__item {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.timeline__item:last-child {
    margin-bottom: 0;
}

.timeline__item::before {
    content: '';
    position: absolute;
    left: 39px;
    top: 80px;
    bottom: -60px;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary) 0%, transparent 100%);
}

.timeline__item:last-child::before {
    display: none;
}

.timeline__number {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-secondary);
    box-shadow: 0 8px 25px rgba(223, 255, 32, 0.4);
    position: relative;
}

.timeline__number::after {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    opacity: 0.3;
    z-index: -1;
    filter: blur(8px);
}

.timeline__content {
    flex: 1;
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.timeline__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.timeline__text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-gray-700);
}

/* === BENEFITS === */
.benefits {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.benefits__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
}

.benefits__column {
    background-color: var(--color-gray-100);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
}

.benefits__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.benefits__header i {
    font-size: var(--font-size-3xl);
    color: var(--color-primary);
}

.benefits__header h3 {
    font-size: var(--font-size-2xl);
    margin: 0;
    color: var(--color-secondary);
}

.benefits__list {
    list-style: none;
}

.benefits__list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
    line-height: 1.7;
}

.benefits__list li i {
    color: var(--color-primary);
    margin-top: 2px;
    flex-shrink: 0;
    font-size: var(--font-size-lg);
}

/* === CTA FINAL === */
.cta-final {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-secondary-dark) 0%, var(--color-secondary) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-final::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -10%;
    width: 50%;
    height: 160%;
    background: radial-gradient(circle, rgba(223, 255, 32, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-final::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 50%;
    height: 160%;
    background: radial-gradient(circle, rgba(223, 255, 32, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-final__content {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-final__title {
    font-size: var(--font-size-4xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-final__text {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.cta-final .btn--primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    box-shadow: 0 8px 30px rgba(223, 255, 32, 0.5);
}

.cta-final .btn--primary:hover {
    box-shadow: 0 12px 40px rgba(223, 255, 32, 0.6);
}

/* === FOOTER === */
.footer {
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    background-color: var(--color-dark);
    color: var(--color-gray-300);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

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

.footer__logo-img {
    height: 40px;
    width: auto;
}

.footer__description {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-gray-300);
}

.footer__title {
    font-size: var(--font-size-lg);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: var(--spacing-xs);
}

.footer__links a {
    color: var(--color-gray-300);
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--color-white);
    padding-left: 5px;
}

.footer__contact {
    list-style: none;
}

.footer__contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-300);
}

.footer__contact i {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
}

.footer__social {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.footer__social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(223, 255, 32, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: var(--transition);
    border: 2px solid var(--color-primary);
}

.footer__social a:hover {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-secondary);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(223, 255, 32, 0.4);
}

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

.footer__bottom p {
    color: var(--color-gray-500);
    margin: 0;
}

.footer__privacy {
    color: var(--color-gray-300);
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.footer__privacy:hover {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* === PAGE HERO === */
.page-hero {
    padding: calc(var(--header-height) + var(--spacing-2xl)) 0 var(--spacing-2xl);
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    text-align: center;
    color: var(--color-white);
}

.page-hero__title {
    font-size: var(--font-size-4xl);
    
    margin-bottom: var(--spacing-md);
}

.page-hero__description {
    font-size: var(--font-size-lg);
    
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* === SYSTEM OVERVIEW === */
.system-overview {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.system-overview__features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.feature__card {
    background-color: var(--color-gray-100);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.feature__card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    background-color: var(--color-white);
}

.feature__icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 8px 20px rgba(223, 255, 32, 0.4);
}

.feature__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.feature__text {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-gray-700);
}

/* === CONTROL POINTS === */
.control-points {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-gray-100);
}

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

.control-points__column {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.control-points__subtitle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--color-primary);
}

.control-points__subtitle i {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
}

.control-points__list {
    list-style: none;
}

.control-points__list li {
    padding: var(--spacing-xs) 0;
    color: var(--color-gray-700);
    position: relative;
    padding-left: var(--spacing-md);
}

.control-points__list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

/* === TARGET AUDIENCE === */
.target-audience {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

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

.audience__card {
    background-color: var(--color-gray-100);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

.audience__card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    background-color: var(--color-white);
}

.audience__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    font-size: var(--font-size-3xl);
    box-shadow: 0 8px 20px rgba(223, 255, 32, 0.4);
}

.audience__title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.audience__text {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-gray-700);
}

/* === DIFFERENTIAL DEEP === */
.differential-deep {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-secondary-dark) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.differential-deep::before {
    content: '';
    position: absolute;
    top: -20%;
    left: -10%;
    width: 50%;
    height: 140%;
    background: radial-gradient(circle, rgba(223, 255, 32, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 10s ease-in-out infinite;
}

.differential-deep::after {
    content: '';
    position: absolute;
    bottom: -20%;
    right: -10%;
    width: 50%;
    height: 140%;
    background: radial-gradient(circle, rgba(223, 255, 32, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 12s ease-in-out infinite reverse;
}

.differential-deep__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.differential-deep__text p {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.95);
    margin: var(--spacing-md) 0 var(--spacing-xl);
    line-height: 1.8;
}

.differential-deep__list {
    list-style: none;
}

.differential-deep__list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(223, 255, 32, 0.1);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    transition: var(--transition);
}

.differential-deep__list li:hover {
    background: rgba(223, 255, 32, 0.2);
    border-left-width: 6px;
    transform: translateX(8px);
}

.differential-deep__list i {
    color: var(--color-primary);
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
    margin-top: 2px;
    filter: drop-shadow(0 2px 8px rgba(223, 255, 32, 0.4));
}

.differential-deep__list span {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.95);
}

.differential-deep__list strong {
    color: var(--color-white);
}

.visual-integration {
    position: relative;
    width: 100%;
    height: 400px;
}

/* Linhas de conexão */
.visual-integration::before,
.visual-integration::after {
    content: '';
    position: absolute;
    background: linear-gradient(90deg, transparent 0%, var(--color-primary) 50%, transparent 100%);
    height: 2px;
    animation: dataFlow 3s ease-in-out infinite;
}

.visual-integration::before {
    top: 50px;
    left: 100px;
    right: 100px;
}

.visual-integration::after {
    bottom: 50px;
    left: 100px;
    width: 200px;
}

@keyframes dataFlow {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 1;
    }
}

.visual-node {
    position: absolute;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    border: 3px solid rgba(223, 255, 32, 0.4);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    animation: pulse 3s ease-in-out infinite;
}

.visual-node:hover {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(223, 255, 32, 0.25) 0%, rgba(223, 255, 32, 0.15) 100%);
    transform: scale(1.1);
}

.visual-node i {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    filter: drop-shadow(0 2px 8px rgba(223, 255, 32, 0.5));
}

.visual-node span {
    font-size: var(--font-size-xs);
    text-align: center;
    color: var(--color-white);
    font-weight: 600;
}

.visual-node--1 { 
    top: 0; 
    left: 50px;
    animation-delay: 0s;
}

.visual-node--2 { 
    top: 0; 
    right: 50px;
    animation-delay: 1s;
}

.visual-node--3 { 
    bottom: 0; 
    left: 50px;
    animation-delay: 2s;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(223, 255, 32, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(223, 255, 32, 0.6);
    }
}

.visual-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    box-shadow: 0 0 60px rgba(223, 255, 32, 0.6), 0 0 100px rgba(223, 255, 32, 0.4);
    animation: glow 2s ease-in-out infinite alternate;
    border: 4px solid rgba(255, 255, 255, 0.3);
}

@keyframes glow {
    0% {
        box-shadow: 0 0 40px rgba(223, 255, 32, 0.5), 0 0 80px rgba(223, 255, 32, 0.3);
    }
    100% {
        box-shadow: 0 0 60px rgba(223, 255, 32, 0.7), 0 0 120px rgba(223, 255, 32, 0.5);
    }
}

.visual-center i {
    font-size: var(--font-size-4xl);
    color: var(--color-secondary);
}

.visual-center span {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-secondary);
    letter-spacing: 2px;
}

/* === METHODOLOGY DETAILED === */
.methodology-detailed {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.methodology-detailed__timeline {
    max-width: 1000px;
    margin: 0 auto;
}

.timeline-detailed__item {
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-2xl);
    background-color: var(--color-gray-100);
    border-radius: var(--radius-xl);
    position: relative;
}

.timeline-detailed__item:last-child {
    margin-bottom: 0;
}

.timeline-detailed__number {
    position: absolute;
    top: -25px;
    left: var(--spacing-xl);
}

.timeline-detailed__number span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-secondary);
    box-shadow: 0 8px 25px rgba(223, 255, 32, 0.4);
}

.timeline-detailed__content {
    padding-top: var(--spacing-xl);
}

.timeline-detailed__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.timeline-detailed__header i {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    padding: 15px;
    background: linear-gradient(135deg, rgba(223, 255, 32, 0.1) 0%, rgba(223, 255, 32, 0.05) 100%);
    border-radius: var(--radius-md);
}

.timeline-detailed__header h3 {
    font-size: var(--font-size-2xl);
    margin: 0;
}

.timeline-detailed__description {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-lg);
}

.timeline-detailed__deliverables h4 {
    font-size: var(--font-size-lg);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-sm);
    border-left: 4px solid var(--color-primary);
}

.timeline-detailed__deliverables ul {
    list-style: none;
}

.timeline-detailed__deliverables li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray-700);
}

.timeline-detailed__deliverables i {
    color: var(--color-primary);
    margin-top: 3px;
    font-size: var(--font-size-base);
}

/* === IMPLEMENTATION === */
.implementation {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-gray-100);
}

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

.implementation__card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

.implementation__card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.implementation__icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    font-size: var(--font-size-2xl);
    box-shadow: 0 8px 20px rgba(223, 255, 32, 0.4);
}

.implementation__title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.implementation__text {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-gray-700);
}

/* === FAQ === */
.faq {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.faq__list {
    max-width: 900px;
    margin: 0 auto;
}

.faq__item {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.faq__question {
    width: 100%;
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    background-color: transparent;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-dark);
    text-align: left;
    transition: var(--transition);
}

.faq__question:hover {
    background-color: var(--color-gray-100);
}

.faq__question i {
    color: var(--color-primary);
    transition: var(--transition);
    flex-shrink: 0;
    font-size: var(--font-size-xl);
}

.faq__item.active .faq__question {
    background: linear-gradient(135deg, rgba(223, 255, 32, 0.1) 0%, rgba(223, 255, 32, 0.05) 100%);
    border-left: 4px solid var(--color-primary);
}

.faq__item.active .faq__question i {
    transform: rotate(180deg);
    color: var(--color-primary-dark);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

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

.faq__answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-gray-700);
}

/* === PROCESS DIFFERENTIALS === */
.process-differentials {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-gray-100);
}

.process-differentials__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.differential__card {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.differential__card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.differential__card i {
    font-size: var(--font-size-4xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.differential__card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.differential__card p {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-gray-700);
}

/* === CONTACT SECTION === */
.page-hero--contact {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
}

.contact-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-gray-100);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-3xl);
}

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

.contact__info-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.contact__info-text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-xl);
}

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

.contact__method {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 2px solid var(--color-gray-100);
    border-left: 4px solid var(--color-primary);
}

.contact__method:hover {
    background: linear-gradient(135deg, rgba(223, 255, 32, 0.1) 0%, rgba(223, 255, 32, 0.05) 100%);
    color: var(--color-secondary);
    transform: translateX(8px);
    border-left-width: 6px;
    box-shadow: 0 8px 20px rgba(223, 255, 32, 0.2);
}

.contact__method:hover .method__icon,
.contact__method:hover .method__link,
.contact__method:hover .method__text {
    color: var(--color-secondary);
}

.contact__method:hover .method__icon {
    background: var(--color-primary);
    transform: scale(1.1);
}

.method__icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    font-size: var(--font-size-xl);
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(223, 255, 32, 0.3);
}

.method__icon--whatsapp {
    background-color: #25d366;
}

.method__title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: 2px;
}

.method__link {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    display: block;
    margin-bottom: 2px;
    transition: var(--transition);
}

.contact__method:hover .method__link {
    color: var(--color-secondary);
}

.method__text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.contact__cta-box {
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    text-align: center;
    border: 3px solid var(--color-primary);
    position: relative;
    overflow: hidden;
}

.contact__cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(223, 255, 32, 0.1) 0%, transparent 70%);
}

.contact__cta-box h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.contact__cta-box p {
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.contact__cta-box .btn--whatsapp {
    position: relative;
    z-index: 1;
}

/* === CONTACT FORM === */
.contact__form-wrapper {
    background-color: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    position: relative;
}

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

.contact__form-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.contact__form-text {
    font-size: var(--font-size-base);
    color: var(--color-gray-700);
    line-height: 1.7;
}

.contact__form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

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

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

.form__label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.form__input,
.form__textarea {
    padding: 0.875rem 1rem;
    font-size: var(--font-size-base);
    font-family: var(--font-body);
    color: var(--color-gray-900);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    background-color: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(223, 255, 32, 0.15);
}

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

.form__checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.form__checkbox input[type="checkbox"] {
    margin-top: 2px;
    cursor: pointer;
}

.form__checkbox a {
    color: var(--color-primary);
    text-decoration: underline;
}

.form__success {
    display: none;
    text-align: center;
    padding: var(--spacing-2xl);
}

.form__success.active {
    display: block;
}

.form__success.active ~ .contact__form,
.form__success.active ~ .contact__form-header {
    display: none;
}

.form__success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    font-size: var(--font-size-4xl);
    box-shadow: 0 8px 25px rgba(223, 255, 32, 0.4);
}

.form__success-title {
    font-size: var(--font-size-2xl);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.form__success-text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-lg);
}

/* === CONTACT INFO CARDS === */
.contact-info-cards {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

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

.info-card {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-gray-100);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.info-card__icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    font-size: var(--font-size-2xl);
    box-shadow: 0 8px 20px rgba(223, 255, 32, 0.4);
}

.info-card__title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.info-card__text {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-gray-700);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

/* Tablet (768px - 1024px) */
@media screen and (max-width: 1024px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
    }

    .hero__container,
    .differential-deep__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .hero__visual {
        order: -1;
    }

    .hero__illustration {
        width: 300px;
        height: 300px;
    }

    .about-intro__grid {
        grid-template-columns: 1fr;
    }

    .problems__grid,
    .solution__benefits,
    .system-overview__features {
        grid-template-columns: 1fr;
    }

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

    .control-points__grid,
    .audience__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .implementation__grid,
    .process-differentials__grid,
    .info-cards__grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

/* Mobile (max 768px) */
@media screen and (max-width: 768px) {
    :root {
        --header-height: 70px;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
        --spacing-3xl: 3rem;
        --spacing-2xl: 2rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    /* Header Mobile */
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background-color: var(--color-white);
        box-shadow: var(--shadow-xl);
        padding: var(--spacing-2xl);
        transition: right 0.4s ease;
        z-index: 100;
    }

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

    .nav__list {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .nav__close,
    .nav__toggle {
        display: block;
    }

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

    .nav__actions .btn {
        display: none;
    }

    .nav__actions .nav__toggle {
        display: block;
    }

    /* Hero Mobile */
    .hero {
        padding: calc(var(--header-height) + var(--spacing-2xl)) 0 var(--spacing-2xl);
    }

    .hero__cta {
        flex-direction: column;
    }

    .hero__cta .btn {
        width: 100%;
    }

    .hero__illustration {
        width: 250px;
        height: 250px;
    }

    .hero__illustration i {
        font-size: 2.5rem;
    }

    /* Grids Mobile */
    .control-points__grid,
    .audience__grid,
    .implementation__grid,
    .process-differentials__grid,
    .info-cards__grid {
        grid-template-columns: 1fr;
    }

    /* Timeline Mobile */
    .timeline__item {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .timeline__item::before {
        left: 14px;
        top: 80px;
    }

    .timeline__number {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
    }

    .methodology-detailed__timeline {
        padding: 0 var(--spacing-sm);
    }

    .timeline-detailed__item {
        padding: var(--spacing-lg);
    }

    .timeline-detailed__number {
        position: relative;
        top: 0;
        left: 0;
        margin-bottom: var(--spacing-md);
    }

    .timeline-detailed__number span {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
    }

    .timeline-detailed__content {
        padding-top: 0;
    }

    .timeline-detailed__header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    /* Visual Integration Mobile */
    .visual-integration {
        height: 300px;
    }

    .visual-node {
        width: 80px;
        height: 80px;
    }

    .visual-node i {
        font-size: var(--font-size-xl);
    }

    .visual-center {
        width: 120px;
        height: 120px;
    }

    .visual-center i {
        font-size: var(--font-size-2xl);
    }

    /* Form Mobile */
    .contact__form {
        grid-template-columns: 1fr;
    }

    /* Footer Mobile */
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* Small Mobile (max 480px) */
@media screen and (max-width: 480px) {
    :root {
        --font-size-5xl: 1.75rem;
        --font-size-4xl: 1.5rem;
    }

    .btn--large {
        padding: 0.875rem 1.5rem;
        font-size: var(--font-size-base);
    }

    .hero__illustration {
        width: 200px;
        height: 200px;
    }

    .visual-integration {
        height: 250px;
    }

    .visual-node {
        width: 70px;
        height: 70px;
    }

    .visual-node span {
        font-size: 0.625rem;
    }

    .visual-center {
        width: 100px;
        height: 100px;
    }
}

/* Smooth Scroll Animations */
@media (prefers-reduced-motion: no-preference) {
    [data-aos] {
        opacity: 0;
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

    [data-aos].aos-animate {
        opacity: 1;
    }
}