/* ========================================
   ISOPORTE - Professional Landing Page
   ======================================== */

:root {
    /* Brand Colors */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --accent: #0ea5e9;

    /* Neutrals */
    --dark: #0f172a;
    --dark-secondary: #1e293b;
    --gray-dark: #334155;
    --gray: #64748b;
    --gray-light: #cbd5e1;
    --gray-lighter: #e2e8f0;
    --gray-lightest: #f1f5f9;
    --white: #ffffff;

    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --section-padding: 6rem;
    --section-padding-mobile: 3rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--dark);
    line-height: 1.6;
    background: var(--white);
    overflow-x: hidden;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

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

.section-header {
    margin-bottom: 3rem;
}

.section-header.centered {
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark);
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray);
    line-height: 1.7;
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-lighter);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--gray-dark);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}

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

.cta-button {
    background: var(--primary);
    color: var(--white) !important;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 1.5rem;
    height: 0.125rem;
    background: var(--dark);
    transition: all 0.3s ease;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    position: relative;
    padding: 6rem 0 5rem;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    overflow: hidden;
}

.hero-bg-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(14, 165, 233, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background: rgba(37, 99, 235, 0.1);
    color: var(--accent);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-light);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2.5rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-light);
    font-weight: 500;
}

.hero-cta-group {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.hero-cta {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s ease;
}

.hero-cta.primary {
    background: var(--primary);
    color: var(--white);
}

.hero-cta.primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.hero-cta.secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.hero-cta.secondary:hover {
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

/* ========================================
   TRUST BAR
   ======================================== */

.trust-bar {
    background: var(--white);
    padding: 2rem 0;
    border-bottom: 1px solid var(--gray-lighter);
}

.trust-text {
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.trust-badge {
    padding: 0.5rem 1.25rem;
    background: var(--gray-lightest);
    color: var(--gray-dark);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
}

/* ========================================
   SERVICES SECTION
   ======================================== */

.services {
    padding: var(--section-padding) 0;
    background: var(--gray-lightest);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--gray-lighter);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.service-icon {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
}

.service-features li {
    color: var(--gray-dark);
    font-size: 0.9375rem;
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

/* ========================================
   ABOUT SECTION
   ======================================== */

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

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-highlight {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
    display: inline-block;
}

.about-highlight .highlight-text {
    color: var(--white);
    font-weight: 700;
    font-size: 1.125rem;
}

.about-description {
    font-size: 1.0625rem;
    color: var(--gray-dark);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.team-intro {
    display: grid;
    gap: 2rem;
    margin: 2rem 0;
}

.team-member {
    padding: 1.5rem;
    background: var(--gray-lightest);
    border-radius: 0.75rem;
    border-left: 4px solid var(--primary);
}

.team-member h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.75rem;
}

.team-member p {
    color: var(--gray-dark);
    line-height: 1.7;
}

.about-cta {
    background: var(--dark);
    color: var(--white);
    padding: 2rem;
    border-radius: 0.75rem;
    margin-top: 2rem;
    text-align: center;
}

.about-cta strong {
    font-size: 1.125rem;
}

.about-stats-card {
    background: var(--gray-lightest);
    border-radius: 1rem;
    padding: 2rem;
    position: sticky;
    top: 6rem;
}

.stats-card-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2rem;
}

.experience-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--gray-light);
}

.experience-item:last-child {
    border-bottom: none;
}

.exp-icon {
    font-size: 2rem;
    line-height: 1;
}

.exp-content h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.exp-content p {
    font-size: 0.9375rem;
    color: var(--gray);
    line-height: 1.6;
}

.tech-stack {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-light);
}

.tech-stack h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-badge {
    padding: 0.5rem 1rem;
    background: var(--white);
    border: 1px solid var(--gray-lighter);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-dark);
}

/* ========================================
   MISSION SECTION
   ======================================== */

.mission {
    padding: var(--section-padding) 0;
    background: var(--gray-lightest);
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.mission-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 1rem;
    border: 1px solid var(--gray-lighter);
}

.mission-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.mission-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1.5rem;
}

.mission-card p {
    font-size: 1.0625rem;
    color: var(--gray-dark);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.mission-values {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.value-check {
    color: var(--success);
    font-weight: 700;
    font-size: 1.125rem;
}

.value-item span:last-child {
    color: var(--gray-dark);
    font-size: 0.9375rem;
}

/* ========================================
   WHY US SECTION
   ======================================== */

.why-us {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.why-card {
    padding: 2rem;
    background: var(--gray-lightest);
    border-radius: 1rem;
    border: 1px solid var(--gray-lighter);
    transition: all 0.3s ease;
}

.why-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.why-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary);
    opacity: 0.2;
    line-height: 1;
    margin-bottom: 1rem;
}

.why-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.why-card p {
    color: var(--gray-dark);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.why-highlight {
    background: var(--primary);
    color: var(--white);
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.5;
}

/* ========================================
   CONTACT SECTION
   ======================================== */

.contact {
    padding: var(--section-padding) 0;
    background: var(--gray-lightest);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.contact-lead {
    font-size: 1.125rem;
    color: var(--gray-dark);
    line-height: 1.7;
    margin-bottom: 3rem;
}

.contact-process h3,
.contact-benefits h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1.5rem;
}

.process-step {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.step-number {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--gray);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.contact-benefits {
    margin-top: 3rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
}

.benefit-icon {
    color: var(--success);
    font-weight: 700;
    font-size: 1.125rem;
}

.benefit-item span:last-child {
    color: var(--gray-dark);
    font-size: 0.9375rem;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 1rem;
    border: 1px solid var(--gray-lighter);
    box-shadow: var(--shadow-md);
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-lighter);
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 1rem;
    color: var(--dark);
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-button {
    width: 100%;
    background: var(--primary);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.submit-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.form-note {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--gray);
    text-align: center;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--dark);
    color: var(--gray-light);
    padding: 3rem 0 2rem;
}

.footer-content {
    padding-bottom: 2rem;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--dark-secondary);
}

.footer-brand .logo-text {
    color: var(--white);
    display: block;
    margin-bottom: 1rem;
}

.footer-tagline {
    color: var(--gray-light);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.footer-experience {
    color: var(--gray);
    font-size: 0.875rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-col h4 {
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: var(--gray-light);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}

.footer-col a:hover {
    color: var(--white);
}

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

.footer-bottom p {
    color: var(--gray);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.footer-tech {
    color: var(--gray-dark);
}

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

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .about-stats-card {
        position: static;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-main {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero {
        padding: 4rem 0 3rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .hero-cta-group {
        flex-direction: column;
    }

    .hero-cta {
        width: 100%;
        text-align: center;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

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

    .footer-links {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

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

    .service-card,
    .mission-card,
    .contact-form-wrapper {
        padding: 1.5rem;
    }
}