:root {
    --primary: #0a2540; /* Flotacar Navy */
    --primary-light: #164e85;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --text: #1e293b;
    --text-muted: #64748b;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    color: var(--primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

/* Navbar */
.navbar {
    padding: 1.5rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-img {
    height: 36px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: color 0.3s;
}

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

/* Hero */
.hero {
    padding: 14rem 0 8rem;
    position: relative;
    background: linear-gradient(180deg, #edf2f7 0%, #f8fafc 100%);
}

.hero .container {
    display: grid;
    grid-template-cols: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background: #ffffff;
    color: var(--primary);
    border-radius: 2rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

h1 {
    font-size: 4.5rem;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.lead {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 3.5rem;
    max-width: 550px;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.waitlist-count {
    font-size: 0.9rem;
    color: var(--primary);
    font-weight: 700;
}

.hero-visual {
    position: relative;
}

.hero-visual::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    background: var(--accent);
    border-radius: 2.5rem;
    z-index: 0;
    opacity: 0.1;
}

.glass-container {
    background: #ffffff;
    border-radius: 2.5rem;
    padding: 0.75rem;
    box-shadow: 0 50px 100px -20px rgba(10, 37, 64, 0.15), 0 30px 60px -30px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: transform 0.5s ease;
}

.glass-container:hover {
    transform: perspective(1000px) rotateY(-2deg) rotateX(1deg);
}

.hero-img {
    width: 100%;
    border-radius: 1.8rem;
    display: block;
    box-shadow: 0 0 0 1px rgba(0,0,0,0.05);
}

/* Sections */
.section {
    padding: 10rem 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 6rem;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* Benefits Grid */
.grid {
    display: grid;
    grid-template-cols: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.card {
    background: var(--card-bg);
    padding: 4rem 3rem;
    border-radius: 2.5rem;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 2rem;
    display: inline-block;
}

.card h3 {
    font-size: 1.75rem;
    margin-bottom: 1.25rem;
}

.card p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.7;
}

/* Whitelist Section */
.whitelist-box {
    background: var(--primary);
    color: #ffffff;
    border-radius: 4rem;
    padding: 6rem 3rem;
    box-shadow: var(--shadow-lg);
}

.whitelist-box h2 {
    color: #ffffff;
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.whitelist-box p {
    font-size: 1.2rem;
    max-width: 650px;
    margin: 0 auto 4rem;
    opacity: 0.8;
}

/* Form Styles */
.form-container {
    max-width: 850px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: flex;
    gap: 1.25rem;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
    }
}

.form-row input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4rem;
    backdrop-filter: blur(5px);
}

.form-group {
    display: flex;
    gap: 1.25rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border-radius: 5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

input, select {
    background: transparent;
    border: none;
    padding: 1.25rem 2rem;
    color: #ffffff;
    font-family: inherit;
    font-size: 1.1rem;
    flex: 1;
}

input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

input:focus, select:focus {
    outline: none;
}

select {
    cursor: pointer;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3rem;
    margin-right: 0.5rem;
}

select option {
    background: var(--primary);
    color: #fff;
}

.btn-primary, .btn-submit, .btn-lg {
    background: var(--accent);
    color: var(--primary);
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 4rem;
    font-weight: 800;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    box-shadow: 0 4px 14px 0 rgba(245, 158, 11, 0.3);
}

.btn-lg {
    padding: 1.5rem 3.5rem;
    font-size: 1.1rem;
    width: fit-content;
}

.btn-submit {
    padding: 1rem 3rem;
}

.btn-primary:hover, .btn-submit:hover, .btn-lg:hover {
    background: #ffffff;
    transform: scale(1.05);
    box-shadow: 0 6px 20px 0 rgba(255, 255, 255, 0.3);
}

.form-feedback {
    margin-top: 2rem;
    font-weight: 700;
    font-size: 1.1rem;
}

/* WhatsApp */
.whatsapp-btn {
    position: fixed;
    width: 65px;
    height: 65px;
    bottom: 35px;
    right: 35px;
    background-color: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.whatsapp-btn svg {
    width: 32px;
    height: 32px;
    fill: white;
}

.whatsapp-btn:hover {
    transform: scale(1.1) rotate(5deg);
    background-color: #128c7e;
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.4);
}

/* Footer */
.footer {
    padding: 6rem 0;
    background: #ffffff;
    border-top: 1px solid var(--border);
}

.logo-footer {
    height: 30px;
    margin-bottom: 2.5rem;
    filter: grayscale(1) opacity(0.5);
}

.footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .hero .container {
        grid-template-cols: 1fr;
        text-align: center;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        order: 2;
    }

    .hero-visual {
        order: 1;
        max-width: 600px;
        margin: 0 auto;
    }

    h1 {
        font-size: 3.5rem;
    }

    .lead {
        margin: 0 auto 3.5rem;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.75rem;
    }

    .form-group {
        flex-direction: column;
        background: transparent;
        border: none;
        padding: 0;
    }

    input, select, .btn-submit {
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 1.5rem;
        width: 100%;
        margin-right: 0;
    }

    .nav-links {
        display: none;
    }
}

/* Partners Bar */
.partners-bar {
    padding: 3rem 0;
    background: #ffffff;
    border-bottom: 1px solid var(--border);
}

.partners-bar .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.partners-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.1em;
}

.partners-grid {
    display: flex;
    gap: 4rem;
    align-items: center;
}

.partner-item {
    font-weight: 900;
    font-size: 1.2rem;
    color: var(--text-muted);
    opacity: 0.4;
    letter-spacing: 0.1em;
    filter: grayscale(1);
    transition: opacity 0.3s;
}

.partner-item:hover {
    opacity: 0.8;
}

@media (max-width: 768px) {
    .partners-bar .container {
        flex-direction: column;
        gap: 1.5rem;
    }
    .partners-grid {
        gap: 2rem;
        justify-content: center;
    }
}

/* Validation Styles */
input.invalid, select.invalid {
    border-color: #ef4444 !important;
    background-color: rgba(239, 68, 68, 0.05) !important;
}

input.valid, select.valid {
    border-color: #10b981 !important;
}

.error-message {
    color: #ef4444;
    font-size: 0.75rem;
    margin-top: 0.25rem;
    display: none;
}