/* ===== CSS Variables ===== */
:root {
    --color-primary: #1e3a5f;
    --color-primary-dark: #152a45;
    --color-accent: #f97316;
    --color-accent-hover: #ea580c;
    --color-text: #334155;
    --color-text-light: #64748b;
    --color-text-dark: #0f172a;
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-dark: #1e3a5f;
    --color-border: #e2e8f0;

    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    --transition: all 0.3s ease;
    --max-width: 1200px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text-dark);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    font-family: var(--font-body);
    font-weight: 600;
}

h4 {
    font-size: 1.125rem;
    font-family: var(--font-body);
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-nav {
    padding: 10px 24px;
    background-color: var(--color-accent);
    color: white;
    font-size: 0.9rem;
}

.btn-nav:hover {
    background-color: var(--color-accent-hover);
}

.btn-large {
    padding: 18px 48px;
    font-size: 1.125rem;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    padding: 12px 0;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.5px;
}

.navbar:not(.scrolled) .logo-text {
    color: white;
}

.logo-sub {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 2px;
}

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

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

.navbar:not(.scrolled) .nav-links a:not(.btn) {
    color: white;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-dark);
    transition: var(--transition);
}

.navbar:not(.scrolled) .mobile-menu-btn span {
    background-color: white;
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    background-image: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=2000&q=80');
    background-size: cover;
    background-position: center;
    padding: 120px 24px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.9) 0%, rgba(21, 42, 69, 0.85) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero h1 {
    color: white;
    margin-bottom: 1.5rem;
}

.hero .highlight {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

/* ===== Section Styles ===== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header p {
    color: var(--color-text-light);
    font-size: 1.125rem;
}

/* ===== Pain Points Section ===== */
.pain-points {
    background-color: var(--color-bg);
}

.pain-points.compact {
    padding: 50px 0;
}

.section-header.compact {
    margin-bottom: 30px;
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.pain-grid.four-col {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.pain-card {
    text-align: center;
    padding: 40px 30px;
}

.pain-card.compact {
    padding: 20px 16px;
}

.pain-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    color: var(--color-accent);
}

.pain-icon.small {
    width: 50px;
    height: 50px;
    margin-bottom: 16px;
}

.pain-icon svg {
    width: 100%;
    height: 100%;
}

.pain-card h3 {
    margin-bottom: 12px;
    color: var(--color-text-dark);
}

.pain-card.compact h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.pain-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

.pain-card.compact p {
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ===== Solution Section ===== */
.solution {
    background-color: var(--color-bg-alt);
}

.solution-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.solution-content h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
}

.solution-content p {
    color: var(--color-text);
    font-size: 1.05rem;
}

.solution-list {
    margin-top: 24px;
}

.solution-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-weight: 500;
    color: var(--color-text-dark);
}

.solution-list svg {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.solution-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.3);
}

.image-placeholder svg {
    width: 60%;
    height: 60%;
}

.image-placeholder.large {
    max-width: 450px;
}

/* ===== Services Section ===== */
.services {
    background-color: var(--color-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.service-card.featured {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-color: transparent;
}

.service-card.featured h3,
.service-card.featured p {
    color: white;
}

.service-card.featured .service-icon {
    color: var(--color-accent);
}

.service-card.featured .service-link {
    color: var(--color-accent);
}

.service-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
    color: var(--color-primary);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    margin-bottom: 12px;
}

.service-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-accent);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.service-link:hover {
    gap: 12px;
}

/* ===== Process Section ===== */
.process {
    background-color: var(--color-bg-alt);
}

.process-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 20px;
}

.process-step {
    flex: 1;
    max-width: 300px;
    text-align: center;
    padding: 40px 30px;
}

.step-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 20px;
    opacity: 0.9;
}

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

.process-step p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

.process-connector {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-border) 0%, var(--color-accent) 50%, var(--color-border) 100%);
    margin-top: 80px;
    flex-shrink: 0;
}

/* ===== About Section ===== */
.about {
    background-color: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
}

.about-content p {
    color: var(--color-text);
    font-size: 1.05rem;
}

/* ===== CTA Section ===== */
.cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta > .container > .cta-content > p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.cta-note {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-top: 1rem;
    margin-bottom: 0;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--color-text-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 80px 0 40px;
}

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

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

.footer-links h4,
.footer-contact h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1rem;
}

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

.footer-links a {
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-contact p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.85rem;
    margin-bottom: 0;
    opacity: 0.6;
}

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 70px 0;
    }

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

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: white;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 100px 40px 40px;
        gap: 30px;
        transition: right 0.3s ease;
        box-shadow: var(--shadow-xl);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        color: var(--color-text-dark) !important;
        font-size: 1.1rem;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .pain-grid,
    .pain-grid.four-col {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .solution-grid,
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .solution-image {
        order: -1;
    }

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

    .process-grid {
        flex-direction: column;
        align-items: center;
    }

    .process-connector {
        width: 2px;
        height: 40px;
        margin: 0;
        background: linear-gradient(180deg, var(--color-border) 0%, var(--color-accent) 50%, var(--color-border) 100%);
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 100px 16px;
    }

    .btn-large {
        padding: 16px 24px;
        font-size: 0.95rem;
    }

    .pain-grid,
    .pain-grid.four-col {
        grid-template-columns: 1fr;
    }

    .pain-card,
    .service-card,
    .process-step {
        padding: 30px 20px;
    }

    .pain-card.compact {
        padding: 16px 12px;
    }
}