/* ========================================
   ScalingFreedom Website Styles
   ======================================== */

/* CSS Variables */
:root {
    /* Colors - Navy theme with Cyan accents */
    --color-bg-primary: #0f172a;
    --color-bg-secondary: #1a2744;
    --color-bg-tertiary: #0d1424;
    --color-bg-card: #1a2744;
    --color-bg-dark: #0f172a;
    --color-text-primary: #ffffff;
    --color-text-secondary: #cbd5e1;
    --color-text-muted: #94a3b8;
    --color-text-on-dark: #ffffff;
    --color-accent-cyan: #20C5FF;
    --color-accent-cyan-light: #5dd5ff;
    --color-accent-blue: #20C5FF;
    --color-accent-blue-light: #5dd5ff;
    --color-accent-green: #22c55e;
    --color-border: #2d3a52;
    --color-border-dark: #3d4a62;

    /* Typography */
    --font-family-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-body: 'Source Serif Pro', Georgia, 'Times New Roman', serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Layout */
    --max-width: 1200px;
    --header-height: 80px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Headings use Inter */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
}

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

a:hover {
    color: var(--color-accent-cyan);
}

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

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

ul {
    list-style: none;
}

/* ========================================
   Utility Classes
   ======================================== */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-title {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.required {
    color: var(--color-accent-cyan);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--color-accent-cyan);
    color: #0f172a;
    box-shadow: 0 4px 14px rgba(32, 197, 255, 0.3);
    font-family: var(--font-family-heading);
}

.btn-primary:hover {
    background: var(--color-accent-cyan-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(32, 197, 255, 0.4);
}

.btn-navy {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid var(--color-accent-cyan);
    font-family: var(--font-family-heading);
}

.btn-navy:hover {
    background-color: var(--color-accent-cyan);
    color: #0f172a;
    border-color: var(--color-accent-cyan);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: transparent;
    z-index: 1000;
    transition: background-color var(--transition-base);
}

.header.scrolled {
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 98px;
    width: auto;
    transform: translateY(5px);
}

.nav-list {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    font-family: var(--font-family-heading);
    font-size: 1.328rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: #ffffff;
}

.header-subtitle {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
    margin-right: var(--spacing-md);
    font-weight: 500;
}

.header-cta {
    padding: var(--spacing-sm) var(--spacing-lg);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: #ffffff;
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: #ffffff;
    left: 0;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    padding: calc(var(--header-height) + var(--spacing-4xl)) 0 var(--spacing-4xl);
    background-color: var(--color-bg-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    margin-top: calc(-1 * var(--header-height));
    padding-top: calc(var(--header-height) + var(--spacing-4xl));
    position: relative;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.6rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-on-dark);
}

.hero-subtitle {
    font-size: 1.485rem;
    color: var(--color-text-secondary);
    font-weight: 400;
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta-group {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

/* ========================================
   Experience/Clients Section
   ======================================== */
.clients {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}

.clients-label {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xl);
    font-family: var(--font-family-heading);
}

.clients-logos {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    overflow: hidden;
    position: relative;
    width: 100%;
}

.clients-logos::before,
.clients-logos::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.clients-logos::before {
    left: 0;
    background: linear-gradient(to right, var(--color-bg-secondary), transparent);
}

.clients-logos::after {
    right: 0;
    background: linear-gradient(to left, var(--color-bg-secondary), transparent);
}

.clients-logos-track {
    display: flex;
    gap: var(--spacing-xl);
    animation: scroll-left 20s linear infinite;
    will-change: transform;
}

.clients-logos-track:hover {
    animation-play-state: paused;
}

@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.client-logo {
    height: 72px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.6;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.client-logo:hover {
    opacity: 1;
}

/* ========================================
   Problem Section
   ======================================== */
.problem {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-bg-secondary);
}

.problem-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.problem-text {
    font-size: var(--font-size-xl);
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.problem-text:last-child {
    margin-bottom: 0;
    color: var(--color-text-primary);
    font-weight: 500;
}

/* ========================================
   Signature Services Section
   ======================================== */
.signature-services {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.service-card {
    background-color: var(--color-bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-accent-cyan);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    text-align: center;
    aspect-ratio: 1 / 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 450px;
    margin: 0 auto;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 48px rgba(32, 197, 255, 0.2);
    border-color: var(--color-accent-cyan);
}

.service-icon {
    width: 64px;
    height: 64px;
    background-color: rgba(32, 197, 255, 0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-accent-cyan);
}

.service-icon svg {
    stroke: var(--color-accent-cyan);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.service-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ========================================
   Why Companies Choose Section
   ======================================== */
.why-choose {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-bg-tertiary);
}

.why-choose-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.why-choose-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-accent-cyan);
    height: 220px;
    align-items: flex-start;
}

.why-choose-number {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-accent-cyan);
    min-width: 40px;
}

.why-choose-content {
    flex: 1;
}

.why-choose-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.why-choose-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ========================================
   Methodology Section
   ======================================== */
.methodology {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-bg-secondary);
}

.methodology-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    position: relative;
}

.methodology-phase {
    background-color: var(--color-bg-dark);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.phase-number {
    width: 40px;
    height: 40px;
    background-color: var(--color-accent-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: #0f172a;
}

.phase-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: #ffffff;
}

.phase-subtitle {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
}

.phase-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.phase-items li {
    font-size: 0.9625rem;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    padding-left: var(--spacing-lg);
}

.phase-items li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
}

/* Arrows between methodology phases */
.methodology-phase::after {
    content: '→';
    position: absolute;
    right: -30px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    color: var(--color-accent-cyan);
    font-weight: 700;
    z-index: 2;
}

.methodology-phase:last-child::after {
    display: none;
}

/* ========================================
   Founders Section
   ======================================== */
.founders {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-bg-secondary);
}

.founders-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
}

.founder-card {
    display: flex;
    gap: var(--spacing-xl);
    background-color: var(--color-bg-card);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.founder-photo {
    flex-shrink: 0;
}

.founder-photo img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-border);
}

.founder-info {
    flex: 1;
}

.founder-name {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.founder-title {
    font-size: var(--font-size-sm);
    color: var(--color-accent-blue);
    margin-bottom: var(--spacing-md);
}

.founder-bio {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.founder-background-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.founder-logos {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    flex-wrap: wrap;
}

.founder-logo {
    height: 26px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.6;
    transition: all var(--transition-base);
}

.founder-logo-oracle {
    height: 40px;
}

.founder-logo:hover {
    filter: grayscale(0%) brightness(1);
    opacity: 1;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-bg-dark);
    position: relative;
}

.contact .section-title,
.contact .section-subtitle {
    color: #ffffff;
}

.contact-form {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: #ffffff;
}

.form-group input,
.form-group select,
.form-group textarea {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    font-family: inherit;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-blue);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    background-size: 16px;
    padding-right: var(--spacing-3xl);
}

.contact-form .btn {
    align-self: flex-start;
    margin-top: var(--spacing-md);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    background-color: var(--color-bg-dark);
    color: var(--color-text-on-dark);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    height: 90px;
    width: auto;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xs);
}

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

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: #ffffff;
}

.footer-separator {
    color: rgba(255, 255, 255, 0.4);
    margin: 0 var(--spacing-sm);
}

/* Social Icons */
.social-icons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-start;
    margin-top: var(--spacing-md);
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(32, 197, 255, 0.1);
    color: var(--color-accent-cyan);
    transition: all var(--transition-base);
}

.social-icon:hover {
    background-color: var(--color-accent-cyan);
    color: #0f172a;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(32, 197, 255, 0.3);
}

.social-icon svg {
    width: 20px;
    height: 20px;
}

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

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

    .methodology-timeline::before {
        display: none;
    }

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

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.25rem;
        --font-size-4xl: 1.875rem;
        --font-size-3xl: 1.5rem;
    }

    .header .container {
        position: relative;
    }

    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: rgba(15, 23, 42, 0.95);
        backdrop-filter: blur(10px);
        padding: var(--spacing-lg);
    }

    .nav.active {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .header-cta {
        display: none;
    }

    .header-subtitle {
        display: none;
    }

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

    .hero {
        min-height: auto;
        padding: calc(var(--header-height) + var(--spacing-2xl)) 0 var(--spacing-2xl);
    }

    .methodology-timeline {
        grid-template-columns: 1fr;
    }

    .methodology-phase::after {
        display: none;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

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

    .founder-card {
        flex-direction: column;
        text-align: center;
    }

    .founder-photo img {
        margin: 0 auto;
    }

    .founder-logos {
        justify-content: center;
    }

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

    .contact-form .btn {
        width: 100%;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .social-icons {
        justify-content: center;
    }

    .clients-logos {
        gap: var(--spacing-xl);
    }
}

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

    .service-card {
        padding: var(--spacing-lg);
    }

    .methodology-phase {
        padding: var(--spacing-lg);
    }

    .founder-card {
        padding: var(--spacing-lg);
    }

    .why-choose-item {
        flex-direction: column;
        text-align: center;
    }
}