/* ============================================
   PALETA DE CORES MELHORADA E TRANSIÇÕES SUAVES
   ============================================ */

:root {
    /* Cores Primárias - Azuis Mais Sofisticados */
    --color-primary: #1a4789;
    --color-primary-light: #2d5fa3;
    --color-primary-lighter: #4a7cb8;
    --color-primary-dark: #0d2249;
    --color-primary-darker: #051423;
    
    /* Cores Secundárias - Vermelhos Sofisticados */
    --color-secondary: #e63946;
    --color-secondary-light: #f07168;
    --color-secondary-dark: #d32836;
    
    /* Cores Neutras Melhoradas */
    --color-white: #ffffff;
    --color-light: #f8f9fb;
    --color-light-gray: #e9ecf0;
    --color-gray: #8b8f98;
    --color-dark-gray: #5a5f6b;
    --color-dark: #1a1f2e;
    
    /* Cores de Suporte */
    --color-success: #2db879;
    --color-warning: #f0ad4e;
    --color-danger: #d9534f;
    --color-info: #5bc0de;
    
    /* Transições */
    --transition-fast: all 0.2s cubic-bezier(0.23, 1, 0.320, 1);
    --transition-smooth: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
    --transition-slow: all 0.6s cubic-bezier(0.23, 1, 0.320, 1);
    
    /* Sombras Melhoradas */
    --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 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.15);
    --shadow-primary: 0 4px 20px rgba(26, 71, 137, 0.2);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;
}

/* ============================================
   APLICAR NOVAS CORES AO ELEMENTO RAIZ
   ============================================ */

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-white);
    color: var(--color-dark-gray);
    transition: var(--transition-smooth);
}

/* ============================================
   TÍTULOS COM CORES SUAVIZADAS
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    color: var(--color-primary-dark);
    transition: var(--transition-smooth);
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -1px;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.5px;
}

h3 {
    font-size: 1.8rem;
}

h4 {
    font-size: 1.3rem;
}

h5 {
    font-size: 1.1rem;
}

h6 {
    font-size: 1rem;
}

/* ============================================
   LINKS COM TRANSIÇÃO SUAVE
   ============================================ */

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

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

/* ============================================
   SEÇÕES COM CORES OTIMIZADAS
   ============================================ */

.section {
    transition: var(--transition-smooth);
}

.section-header {
    margin-bottom: 4rem;
    transition: var(--transition-smooth);
}

.section-header h2 {
    background: linear-gradient(
        135deg,
        var(--color-primary) 0%,
        var(--color-primary-light) 50%,
        var(--color-primary-dark) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition-slow);
}

.section-header h2:hover {
    filter: brightness(1.1);
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* ============================================
   CARDS COM CORES E TRANSIÇÕES SUAVES
   ============================================ */

.card {
    background: linear-gradient(
        135deg,
        var(--color-white) 0%,
        var(--color-light) 100%
    );
    border: 1px solid var(--color-light-gray);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s ease;
}

.card:hover {
    background: linear-gradient(
        135deg,
        var(--color-white) 0%,
        rgba(248, 249, 251, 0.8) 100%
    );
    border-color: var(--color-primary-lighter);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

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

.card h3 {
    color: var(--color-primary-dark);
    transition: var(--transition-smooth);
}

.card:hover h3 {
    color: var(--color-primary-light);
}

.card i {
    color: var(--color-primary);
    transition: var(--transition-smooth);
}

.card:hover i {
    color: var(--color-primary-light);
    transform: scale(1.15) rotate(5deg);
}

.card p {
    color: var(--color-dark-gray);
    transition: var(--transition-smooth);
}

.card:hover p {
    color: var(--color-dark);
}

/* ============================================
   BOTÕES COM CORES SUAVES
   ============================================ */

.btn {
    transition: var(--transition-smooth);
    border-radius: var(--radius-full);
    font-weight: 600;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::after {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: white;
    border: none;
    box-shadow: var(--shadow-primary);
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    box-shadow: 0 8px 30px rgba(26, 71, 137, 0.4);
    transform: translateY(-3px);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(230, 57, 70, 0.2);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--color-secondary-light), var(--color-secondary));
    box-shadow: 0 8px 25px rgba(230, 57, 70, 0.3);
    transform: translateY(-3px);
}

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

.btn-outline-primary:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-primary);
}

.btn-light {
    background: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-white);
    transition: var(--transition-smooth);
}

.btn-light:hover {
    background: var(--color-light);
    box-shadow: var(--shadow-md);
}

/* ============================================
   HERO SECTION COM CORES PREMIUM
   ============================================ */

.hero {
    background: linear-gradient(
        135deg,
        var(--color-primary) 0%,
        var(--color-primary-light) 25%,
        var(--color-primary-dark) 75%,
        var(--color-primary-darker) 100%
    );
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        circle at 20% 50%,
        rgba(255, 255, 255, 0.1) 0%,
        transparent 50%
    );
    pointer-events: none;
}

.hero h1 {
    background: linear-gradient(135deg, #ffffff, #e8f0ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition-smooth);
}

.hero h2,
.hero p {
    color: rgba(255, 255, 255, 0.95);
    transition: var(--transition-smooth);
}

/* ============================================
   SEÇÕES LIGHT E PRIMARY COM CORES SUAVES
   ============================================ */

.bg-light {
    background: linear-gradient(
        180deg,
        var(--color-white) 0%,
        rgba(248, 249, 251, 0.8) 50%,
        var(--color-white) 100%
    );
    transition: var(--transition-smooth);
}

.bg-primary {
    background: linear-gradient(
        135deg,
        var(--color-primary) 0%,
        var(--color-primary-light) 50%,
        var(--color-primary-dark) 100%
    );
    position: relative;
    color: white;
    transition: var(--transition-smooth);
}

.bg-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        circle at 80% 20%,
        rgba(255, 255, 255, 0.1) 0%,
        transparent 50%
    );
    pointer-events: none;
}

/* ============================================
   LISTAS COM CORES MELHORADAS
   ============================================ */

ul {
    list-style: none;
}

ul li {
    color: var(--color-dark-gray);
    transition: var(--transition-smooth);
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
}

ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 1.3rem;
    transition: var(--transition-smooth);
}

ul li:hover {
    transform: translateX(8px);
    color: var(--color-primary);
}

ul li:hover::before {
    transform: scale(1.2);
}

/* ============================================
   IMAGENS COM TRANSIÇÕES SUAVES
   ============================================ */

img {
    transition: var(--transition-smooth);
    border-radius: var(--radius-lg);
}

.about-image img {
    box-shadow: var(--shadow-lg);
}

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

/* ============================================
   INPUTS E FORMULÁRIOS
   ============================================ */

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
textarea,
select {
    background-color: var(--color-light);
    border: 1px solid var(--color-light-gray);
    color: var(--color-dark);
    transition: var(--transition-smooth);
    border-radius: var(--radius-md);
    padding: 0.8rem 1rem;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
    background-color: var(--color-white);
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(26, 71, 137, 0.1);
}

/* ============================================
   VIDEO WRAPPER
   ============================================ */

.video-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-smooth);
    background: var(--color-light);
}

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

.video-wrapper iframe {
    transition: var(--transition-smooth);
}

/* ============================================
   TESTEMONIALS COM CORES SUAVES
   ============================================ */

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonials-grid .card {
    border-left: 4px solid transparent;
    transition: var(--transition-smooth);
}

.testimonials-grid .card:hover {
    border-left-color: var(--color-primary);
}

.testimonials-grid .card p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-dark-gray);
}

.testimonials-grid .card h4 {
    color: var(--color-primary);
    margin-top: 1.5rem;
}

/* ============================================
   FOOTER COM CORES SUAVES
   ============================================ */

footer {
    background: linear-gradient(
        180deg,
        var(--color-primary-dark) 0%,
        var(--color-primary-darker) 100%
    );
    color: rgba(255, 255, 255, 0.9);
    transition: var(--transition-smooth);
}

footer a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-smooth);
}

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

footer .social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
}

footer .social-links a:hover {
    background: var(--color-primary-lighter);
    transform: translateY(-3px);
}

/* ============================================
   HEADER COM TRANSIÇÕES SUAVES
   ============================================ */

header {
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

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

.nav-link {
    transition: var(--transition-smooth);
}

/* ============================================
   EFEITOS DE HOVER GERAIS
   ============================================ */

@media (prefers-reduced-motion: no-preference) {
    * {
        scroll-behavior: smooth;
    }
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .card {
        margin-bottom: 1rem;
    }

    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: var(--color-dark);
        color: rgba(255, 255, 255, 0.9);
    }

    .card {
        background: linear-gradient(135deg, #1a1f2e 0%, #242933 100%);
        border-color: rgba(255, 255, 255, 0.1);
        color: rgba(255, 255, 255, 0.9);
    }

    input[type="text"],
    input[type="email"],
    input[type="tel"],
    input[type="password"],
    textarea,
    select {
        background-color: #2a2f3a;
        border-color: rgba(255, 255, 255, 0.1);
        color: rgba(255, 255, 255, 0.9);
    }
}