/* ============================================
   HLENCAN - Global Styles
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Dark Mode */
    --color-black: #FFFFFF;
    --color-white: #0a0a0a;
    --color-gray: #a0a8b8;
    --color-gray-light: rgba(10, 22, 40, 0.6);
    --color-gray-border: rgba(255, 255, 255, 0.1);
    --color-accent-blue: #4a9eff;
    --color-accent-teal: #2dd4bf;

    /* Dark mode gradient background */
    --gradient-bg: linear-gradient(135deg, #000000 0%, #0a1628 50%, #0d1f3c 100%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

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

    /* Layout */
    --max-width: 1140px;
    --header-height: 80px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

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

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

body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-light);
    color: var(--color-black);
    background: var(--gradient-bg);
    background-attachment: fixed;
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: var(--font-weight-medium);
    line-height: 1.2;
}

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

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-gray-border);
    z-index: 1000;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.02em;
    color: var(--color-black);
    display: flex;
    align-items: center;
}

.logo-img {
    height: 90px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: var(--font-weight-regular);
    color: var(--color-gray);
    transition: color var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-black);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--color-black);
    transition: var(--transition-fast);
}

/* Logo filter for dark mode */
.logo-img {
    filter: brightness(0) invert(1);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
    border-radius: 4px;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-black);
    color: #0a0a0a;
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-black);
    border: 1px solid var(--color-gray-border);
}

.btn-secondary:hover {
    border-color: var(--color-black);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: var(--font-weight-medium);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: var(--font-weight-light);
    color: var(--color-gray);
    line-height: 1.5;
    margin-bottom: var(--spacing-lg);
    max-width: 650px;
}

.hero-claims {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.claim {
    font-size: 0.9rem;
    font-weight: var(--font-weight-regular);
    color: var(--color-black);
}

.claim-divider {
    color: var(--color-gray);
}

.hero-clarity {
    font-size: 0.85rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-gray-border);
    border-radius: 4px;
    display: inline-block;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* ============================================
   TRUST STRIP
   ============================================ */
.trust-strip {
    padding: var(--spacing-2xl) 0;
    background: rgba(10, 22, 40, 0.4);
    border-top: 1px solid var(--color-gray-border);
    border-bottom: 1px solid var(--color-gray-border);
}

.trust-items {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.trust-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray);
}

.trust-item span {
    font-size: 0.9rem;
    font-weight: var(--font-weight-regular);
    color: var(--color-black);
}

.trust-subtitle {
    font-size: 0.85rem;
    color: var(--color-gray);
    text-align: center;
    margin-top: var(--spacing-md);
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section-title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: var(--font-weight-medium);
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-xl);
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works {
    padding: var(--spacing-3xl) 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.step {
    position: relative;
}

.step-number {
    display: block;
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-accent-teal);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.05em;
}

.step-title {
    font-size: 1.1rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-xs);
}

.step-desc {
    font-size: 0.9rem;
    color: var(--color-gray);
    line-height: 1.5;
}

.steps-supporting {
    font-size: 0.85rem;
    color: var(--color-gray);
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-border);
}

/* ============================================
   FOCUS SECTION
   ============================================ */
.focus {
    padding: var(--spacing-3xl) 0;
    background: rgba(10, 22, 40, 0.4);
}

.focus-intro {
    font-size: 1.1rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.focus-panel {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-gray-border);
    border-radius: 8px;
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
}

.focus-panel-title {
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
}

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

.focus-list li {
    font-size: 0.95rem;
    color: var(--color-gray);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-gray-border);
}

.focus-list li:last-child {
    border-bottom: none;
}

.focus-note {
    font-size: 0.85rem;
    color: var(--color-gray);
}

/* ============================================
   WHY HLENCAN
   ============================================ */
.why-hlencan {
    padding: var(--spacing-3xl) 0;
}

.why-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.why-card {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-gray-border);
    border-radius: 8px;
    transition: all var(--transition-normal);
}

.why-card:hover {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.06);
}

.why-card-title {
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-xs);
}

.why-card-desc {
    font-size: 0.9rem;
    color: var(--color-gray);
}

.principles {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-black);
}

.principle-dot {
    color: var(--color-gray);
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
    padding: var(--spacing-3xl) 0;
    background: rgba(10, 22, 40, 0.4);
    text-align: center;
}

.contact-body {
    font-size: 1.1rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
}

.contact-email {
    font-size: 1.25rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-accent-teal);
    border-bottom: 1px solid var(--color-accent-teal);
    padding-bottom: 2px;
    transition: opacity var(--transition-fast);
}

.contact-email:hover {
    opacity: 0.8;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-gray-border);
}

.footer-text {
    font-size: 0.8rem;
    color: var(--color-gray);
    text-align: center;
}

/* ============================================
   PAGE 2: SPONSOR CHALLENGES
   ============================================ */
.page-header {
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-2xl);
    text-align: center;
}

.page-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: var(--font-weight-medium);
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Realities Section */
.realities {
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
}

.realities-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-lg);
}

.reality-block {
    padding: var(--spacing-md);
    border-left: 2px solid var(--color-accent-teal);
}

.reality-title {
    font-size: 0.95rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-xs);
}

.reality-desc {
    font-size: 0.85rem;
    color: var(--color-gray);
}

/* Best Fit Section */
.best-fit {
    padding: var(--spacing-3xl) 0;
    background: rgba(10, 22, 40, 0.4);
}

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

.fit-column {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-gray-border);
    border-radius: 8px;
    padding: var(--spacing-xl);
}

.fit-column-title {
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-gray-border);
}

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

.fit-list li {
    font-size: 0.9rem;
    color: var(--color-gray);
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-md);
}

.fit-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background: var(--color-accent-teal);
    border-radius: 50%;
}

/* Helps Section */
.helps {
    padding: var(--spacing-3xl) 0;
}

.helps-content {
    max-width: 650px;
}

.helps-content p {
    font-size: 1rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.helps-content p:last-child {
    margin-bottom: 0;
}

/* Principles Block */
.principles-block {
    padding: var(--spacing-2xl) 0;
    background: rgba(0, 0, 0, 0.6);
}

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

.principle-item {
    text-align: center;
}

.principle-label {
    font-size: 0.95rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.cta-title {
    font-size: 1.75rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-md);
}

.cta-email {
    font-size: 1.25rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-accent-teal);
    border-bottom: 1px solid var(--color-accent-teal);
    padding-bottom: 2px;
    transition: opacity var(--transition-fast);
}

.cta-email:hover {
    opacity: 0.8;
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */
@media (max-width: 1024px) {

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

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

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

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

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

    .nav-links {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        border-bottom: 1px solid var(--color-gray-border);
        transform: translateY(-150%);
        transition: transform var(--transition-normal);
    }

    .nav-links.active {
        transform: translateY(0);
    }

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

    .steps-grid,
    .why-cards,
    .realities-grid,
    .fit-columns,
    .principles-grid {
        grid-template-columns: 1fr;
    }

    .trust-items {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .hero-claims {
        flex-direction: column;
        align-items: flex-start;
    }

    .claim-divider {
        display: none;
    }

    .principles {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .principle-dot {
        display: none;
    }
}

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

    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }

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