/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --navy: #0B1F33;
    --teal: #2EC4B6;
    --white: #FFFFFF;
    --light-bg: #F8F9FA;
    --text-dark: #1A1A1A;
    --text-light: #666666;
    --border-color: #E0E0E0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 40px;
    width: auto;
    max-width: 200px;
}

.nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--teal);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(11, 31, 51, 0.03) 0%, rgba(11, 31, 51, 0.05) 100%);
    padding: 72px 0 96px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

.eyebrow {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-light);
    margin-bottom: 16px;
    font-weight: 500;
}

.hero-headline {
    font-size: 36px;
    font-weight: 800;
    color: var(--navy);
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.8px;
}

.hero-subheadline {
    font-size: 18px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
}

.btn {
    display: inline-block;
    padding: 16px 36px;
    background-color: var(--teal);
    color: var(--white);
    text-decoration: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-family: inherit;
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:hover {
    background-color: #26B3A7;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(46, 196, 182, 0.4);
}

.btn-primary {
    box-shadow: 0 0 0 0 rgba(46, 196, 182, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 8px 24px rgba(46, 196, 182, 0.5), 0 0 0 4px rgba(46, 196, 182, 0.1);
}

.btn-primary {
    background-color: var(--teal);
}

.btn-link {
    color: var(--teal);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s ease;
    border-bottom: 2px solid transparent;
    padding-bottom: 2px;
}

.btn-link:hover {
    color: #26B3A7;
    border-bottom-color: var(--teal);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

/* Section Styles */
section {
    padding: 96px 0;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--navy);
    text-align: center;
    margin-bottom: 28px;
    line-height: 1.3;
    letter-spacing: -0.5px;
}

.section-intro {
    font-size: 18px;
    color: var(--text-light);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 56px;
    line-height: 1.7;
}

/* Pain Section */
.pain-section {
    background-color: var(--navy);
    color: var(--white);
}

.pain-section .section-title {
    color: var(--white);
}

.pain-section .section-intro {
    color: rgba(255, 255, 255, 0.9);
}

.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-top: 56px;
}

.card {
    background-color: var(--white);
    padding: 40px;
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.pain-section .card {
    background-color: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(46, 196, 182, 0.25);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
    transition: all 0.25s ease;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
    border-color: var(--teal);
}

.pain-section .card:hover {
    background-color: rgba(255, 255, 255, 0.18);
    border-color: rgba(46, 196, 182, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.why-section .card:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 45px rgba(11, 31, 51, 0.12);
}

.card-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 16px;
    line-height: 1.3;
}

.pain-section .card-title {
    color: var(--white);
    position: relative;
}

.pain-section .card-title::after {
    content: '';
    display: block;
    height: 2px;
    width: 36px;
    margin-top: 6px;
    background-color: #2EC4B6;
}

.card-text {
    font-size: 16px;
    color: #4A4A4A;
    line-height: 1.7;
}

.pain-section .card-text {
    color: rgba(255, 255, 255, 0.9);
}

/* Solution Section */
.solution-section {
    background-color: var(--white);
}

.steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-top: 56px;
    position: relative;
}

.step {
    padding: 40px 40px 40px 48px;
    background-color: var(--white);
    border-radius: 12px;
    border-left: 5px solid var(--teal);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateX(-20px);
}

.step.visible {
    opacity: 1;
    transform: translateX(0);
}

.step:nth-child(1) { transition-delay: 0.1s; }
.step:nth-child(2) { transition-delay: 0.2s; }
.step:nth-child(3) { transition-delay: 0.3s; }

.step-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 16px;
    line-height: 1.3;
}

.step-text {
    font-size: 16px;
    color: #4A4A4A;
    line-height: 1.7;
}

/* Credibility Section */
.credibility-section {
    background-image: url('images/bridge-lumina-mid-section.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    color: var(--white);
}

.credibility-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.65);
    z-index: 1;
}

.credibility-section .container {
    position: relative;
    z-index: 2;
}

.credibility-section .section-title {
    color: var(--white);
}

.credibility-section .section-intro {
    color: rgba(255, 255, 255, 0.9);
}

.credibility-section .column-heading {
    color: var(--white);
}

.credibility-section .bullet-list li {
    color: rgba(255, 255, 255, 0.9);
}

.two-column {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-top: 48px;
}

.column-heading {
    font-size: 22px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 24px;
    line-height: 1.3;
}

.bullet-list {
    list-style: none;
    padding: 0;
}

.bullet-list li {
    font-size: 16px;
    color: #4A4A4A;
    line-height: 1.8;
    padding-left: 24px;
    position: relative;
    margin-bottom: 12px;
}

.bullet-list li::before {
    content: "•";
    color: var(--teal);
    font-size: 24px;
    position: absolute;
    left: 0;
    top: -4px;
}

/* Why Section */
.why-section {
    background: linear-gradient(135deg, rgba(11, 31, 51, 0.02) 0%, rgba(11, 31, 51, 0.04) 100%);
}

.why-section .card {
    background-color: var(--white);
    box-shadow: 0 12px 30px rgba(11, 31, 51, 0.08);
    border: 1px solid rgba(11, 31, 51, 0.06);
    border-top: 2px solid var(--teal);
    position: relative;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.why-section .card-icon {
    width: 40px;
    height: 3px;
    background-color: var(--teal);
    margin-bottom: 20px;
    border-radius: 2px;
}

.why-section .card-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 16px;
    line-height: 1.3;
}

.why-section .card-text {
    color: #5A5A5A;
}

/* Contact Section */
.contact-section {
    background-color: var(--navy);
    color: var(--white);
}

.contact-section .section-title {
    color: var(--white);
}

.contact-section .section-intro {
    color: rgba(255, 255, 255, 0.9);
}

.contact-cta {
    display: flex;
    justify-content: center;
    margin-top: 56px;
    position: relative;
}

.contact-cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(46, 196, 182, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}

.contact-cta .btn {
    position: relative;
    z-index: 1;
    box-shadow: 0 0 0 0 rgba(46, 196, 182, 0.5);
}

.contact-cta .btn:hover {
    box-shadow: 0 12px 32px rgba(46, 196, 182, 0.6), 0 0 0 6px rgba(46, 196, 182, 0.15);
}

/* Footer */
.footer {
    background-color: var(--navy);
    color: var(--white);
    padding: 48px 0 32px;
    border-top: 1px solid var(--teal);
    opacity: 0.95;
}

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

.footer-logo {
    height: 40px;
    width: auto;
    max-width: 200px;
    margin: 0 auto 12px;
    display: block;
}

.footer-tagline {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 24px;
}

.footer-location {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 24px;
}

/* Desktop Styles */
@media (min-width: 768px) {
    .hero {
        padding: 100px 0 120px;
    }

    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }

    .hero-headline {
        font-size: 48px;
    }

    .hero-subheadline {
        font-size: 20px;
    }

    .hero-cta {
        flex-direction: row;
        gap: 24px;
        align-items: center;
    }

    .section-title {
        font-size: 44px;
    }
    
    section {
        padding: 120px 0;
    }

    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .two-column {
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }

    .nav {
        gap: 40px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 40px;
    }

    .hero-headline {
        font-size: 56px;
        letter-spacing: -1.2px;
    }
    
    .steps {
        max-width: 900px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* Mobile Navigation */
@media (max-width: 767px) {
    .logo img {
        height: 32px;
        max-width: 160px;
    }

    .nav {
        display: none;
    }

    .hero-headline {
        font-size: 28px;
    }

    .hero-subheadline {
        font-size: 16px;
    }

    .section-title {
        font-size: 32px;
    }
    
    .contact-cta {
        margin-top: 40px;
    }
    
    .contact-cta::before {
        width: 200px;
        height: 200px;
    }

    .card {
        padding: 24px;
    }

    .footer-logo {
        height: 32px;
        max-width: 160px;
    }
}