/* ==========================================================================
   SPRINT UP - PREMIUM STYLESHEET
   Style: Dark mode, boutique, premium, high-contrast, modern
   ========================================================================== */

/* ===== CSS VARIABLES ===== */
:root {
    /* Colors */
    --bg-color-main: #050505;
    --bg-color-alt: #0a0a0a;
    --bg-card: rgba(25, 25, 25, 0.6);
    --border-strong: rgba(255, 255, 255, 0.15);
    --border-light: rgba(255, 255, 255, 0.05);

    --text-primary: #ffffff;
    --text-secondary: #999999;
    --text-accent: #e2e2e2;

    --accent-color: #ffffff;
    --accent-glow: rgba(255, 255, 255, 0.08);

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;

    /* Sizing & Spacing */
    --max-width: 1200px;
    --header-height: 80px;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --border-radius-pill: 100px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;

    /* Subtle dot grid texture - More visible now */
    background-image:
        radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.1) 1px, transparent 0);
    background-size: 32px 32px;
}

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

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 5%;
}

.section {
    padding: 120px 0;
    position: relative;
    border-bottom: 1px solid var(--border-light);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

h1,
h2,
h3,
h4 {
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

p {
    color: var(--text-secondary);
}

.section-header p {
    font-size: 1.125rem;
}

/* ===== LOGO & NAVIGATION ===== */
.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
}

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

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

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

.nav-cta {
    padding: 10px 24px;
    font-size: 0.9rem;
}

/* Mobile Menu Button */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-color-main);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    transition: var(--transition-smooth);
    z-index: 999;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu a {
    font-size: 1.5rem;
    font-weight: 600;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--border-radius-pill);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--text-primary);
    color: var(--bg-color-main);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--text-primary);
    border-color: var(--text-primary);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
}

.btn-secondary:hover {
    background-color: var(--border-strong);
    transform: translateY(-2px);
}

.btn-whatsapp {
    background-color: #25D366;
    color: #ffffff !important;
    border: 1px solid #25D366;
    display: flex;
    gap: 12px;
    width: 100%;
}

.btn-whatsapp svg {
    width: 20px;
    height: 20px;
}

.btn-whatsapp:hover {
    background-color: #1daa54;
    border-color: #1daa54;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.2);
    transform: translateY(-2px);
    color: #ffffff !important;
}

.btn-block {
    width: 100%;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--header-height);
    position: relative;
    overflow: hidden;
}

.hero-glow-1,
.hero-glow-2 {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 1;
    pointer-events: none;
    opacity: 0.15;
}

.hero-glow-1 {
    background: radial-gradient(circle, rgba(60, 100, 255, 0.4), transparent 70%);
    top: -10%;
    left: -10%;
}

.hero-glow-2 {
    background: radial-gradient(circle, rgba(40, 80, 255, 0.3), transparent 70%);
    bottom: -10%;
    right: -10%;
}

.hero-bg-logo {
    position: absolute;
    top: 50%;
    right: -10%;
    transform: translateY(-50%) rotate(-10deg);
    width: 700px;
    height: auto;
    opacity: 0.1;
    z-index: 1;
    pointer-events: none;
    filter: blur(1px);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-strong);
    border-radius: var(--border-radius-pill);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-accent);
}

.hero-headline {
    font-size: clamp(3rem, 6vw, 5.5rem);
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(180deg, #FFFFFF 0%, #a1a1a1 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subheadline {
    font-size: clamp(1.125rem, 2vw, 1.35rem);
    max-width: 680px;
    margin: 0 auto 48px;
    line-height: 1.6;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
    z-index: 1;
    pointer-events: none;
}

/* ===== CARDS & GRIDS ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    transition: var(--transition-smooth);
}

.card:hover {
    border-color: var(--border-strong);
    transform: translateY(-5px);
    background: rgba(35, 35, 35, 0.8);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 24px;
    opacity: 0.9;
}

/* ===== BENEFITS SECTION ===== */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.benefit-item {
    border-top: 2px solid var(--border-strong);
    padding-top: 32px;
}

.benefit-value {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.benefit-title {
    font-size: 1.75rem;
}

/* ===== SOCIAL PROOF ===== */
.social-proof {
    background-color: var(--bg-color-alt);
    text-align: center;
}

.proof-content {
    max-width: 800px;
    margin: 0 auto;
}

.proof-content h2 {
    font-size: 2rem;
}

.proof-content p {
    font-size: 1.25rem;
    margin-bottom: 48px;
}

.niche-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.tag {
    padding: 12px 24px;
    border: 1px solid var(--border-strong);
    border-radius: var(--border-radius-pill);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ===== AUDIENCE (SPLIT) ===== */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.split-left h2 {
    margin-bottom: 24px;
}

.split-left p {
    font-size: 1.15rem;
}

.check-list {
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 32px;
    margin-bottom: 24px;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--text-primary);
    font-weight: bold;
}

/* ===== PROCESS STEPS ===== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.step-card {
    position: relative;
    padding-top: 40px;
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    color: var(--border-strong);
    line-height: 1;
    margin-bottom: 24px;
    letter-spacing: -0.05em;
}

/* ===== WHY US ===== */
.why-us-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.why-us-subtitle {
    font-size: 1.25rem;
    margin-bottom: 60px;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    text-align: left;
}

.feature-item h4 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

/* ===== FINAL CTA ===== */
.final-cta {
    background-color: var(--text-primary);
    color: var(--bg-color-main);
    text-align: center;
}

.final-cta .cta-split {
    text-align: left;
}

.final-cta h2,
.final-cta p,
.final-cta .cta-container {
    color: var(--bg-color-main);
}

.final-cta p {
    color: #444;
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 60px;
}

.cta-actions {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 40px;
    align-items: stretch;
    background: #fff;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.cta-single-action {
    display: flex;
    justify-content: center;
    margin-top: 16px;
}

.cta-split {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    background: #fff;
    border-radius: var(--border-radius-lg);
    padding: 48px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    margin-top: 16px;
}

.cta-split-text {
    flex: 1;
    text-align: left;
}

.cta-split-text h3 {
    margin-bottom: 12px;
    color: var(--bg-color-main);
}

.cta-split-text p {
    color: #555;
    font-size: 1rem;
    margin: 0;
}

.cta-split-action {
    flex-shrink: 0;
}

.contact-box {
    padding: 48px;
    text-align: left;
}

.contact-box h3 {
    margin-bottom: 24px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-form input {
    width: 100%;
    padding: 16px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    font-family: var(--font-main);
    background: #fafafa;
}

.contact-form input:focus {
    outline: none;
    border-color: var(--bg-color-main);
}

.contact-form .btn-primary {
    background-color: var(--bg-color-main);
    color: var(--text-primary);
}

.contact-form .btn-primary:hover {
    background-color: #222;
    color: var(--text-primary);
}

.divider {
    display: flex;
    align-items: center;
    position: relative;
    padding: 0 20px;
}

.divider::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 48px;
    bottom: 48px;
    width: 1px;
    background: #eaeaea;
}

.divider span {
    background: #fff;
    padding: 10px 0;
    z-index: 2;
    color: #888;
    font-weight: 500;
}

.alt-contact p {
    font-size: 1rem;
    margin-bottom: 32px;
}

/* ===== FOOTER ===== */
.footer {
    border-top: 1px solid var(--border-light);
    padding: 80px 0 32px;
}

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

.footer h4 {
    font-size: 1.1rem;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.footer-brand p {
    margin-top: 16px;
    max-width: 300px;
}

.footer-links,
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding-top: 32px;
    text-align: center;
    font-size: 0.9rem;
}

/* ===== ANIMATIONS ===== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.appear {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-actions {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .divider {
        display: none;
    }

    .contact-box {
        padding: 40px;
    }
}

@media (max-width: 768px) {

    .nav-links,
    .nav-cta {
        display: none;
    }

    .logo-img {
        height: 36px;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-headline {
        font-size: clamp(2.5rem, 8vw, 3rem);
    }

    .hero-ctas {
        flex-direction: column;
    }

    .split-layout {
        grid-template-columns: 1fr;
    }

    .benefits-grid,
    .process-steps,
    .features-list {
        grid-template-columns: 1fr;
    }

    .cta-split {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
        gap: 24px;
    }

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

    .cta-split-action .btn-whatsapp {
        width: 100%;
        justify-content: center;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}