/*
 * Flux PR Lab - Layout Styles
 * Header, Footer, Navigation, and Page Layout
 */

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(10, 14, 23, 0.95);
    box-shadow: var(--shadow-lg);
}

.header-inner {
    display: flex;
    flex-wrap: nowrap;
    /* Prevent items dropping below */
    align-items: center;
    justify-content: space-between;
    height: 72px;
    padding: 0 var(--container-padding);
    max-width: var(--container-2xl);
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    text-decoration: none;
}

.logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    border-radius: var(--radius-md);
    color: var(--color-text-inverse);
}

.nav {
    display: none;
    align-items: center;
    gap: var(--space-1);
}

@media (min-width: 1024px) {
    .nav {
        display: flex;
    }
}

.nav-link {
    position: relative;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--color-accent-cyan);
}

.header-ctas {
    display: none !important;
    align-items: center;
    gap: var(--space-3);
}

@media (min-width: 1024px) {
    .header-ctas {
        display: flex;
    }

    /* Hide the first button (Internship) on smaller desktops (< 1280px) */
    .header-ctas .btn:first-child {
        display: none;
    }
}

@media (min-width: 1280px) {

    /* Show both buttons on wider screens */
    .header-ctas .btn:first-child {
        display: block;
    }
}

.menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    color: var(--color-text-primary);
    cursor: pointer;
}

@media (min-width: 1024px) {
    .menu-toggle {
        display: none;
    }
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
    position: fixed;
    top: 72px;
    /* Start exactly below the header */
    left: 0;
    width: 100%;
    height: calc(100vh - 72px);
    background: var(--color-bg-primary);
    z-index: var(--z-fixed);
    padding: var(--space-8) var(--container-padding);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    border-top: 1px solid var(--color-border);
    /* visual separator */
}

.mobile-menu.open {
    transform: translateX(0);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.mobile-nav-link {
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav-link:hover {
    color: var(--color-text-primary);
}

.mobile-menu-ctas {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* ... existing styles ... */

@media (min-width: 1024px) {
    .mobile-cta-bar {
        display: none;
    }
}

.mobile-cta-bar .btn {
    flex: 1;
    padding: var(--space-3);
    font-size: var(--text-sm);
}

/* ===== PAGE LAYOUT ===== */
.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main {
    flex: 1;
    padding-top: 72px;
}

@media (max-width: 767px) {
    .main {
        padding-bottom: 80px;
    }
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: calc(100vh - 72px);
    padding: var(--space-16) 0;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

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

.hero h1 {
    margin-bottom: var(--space-6);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    max-width: 600px;
}

@media (max-width: 640px) {
    .hero {
        padding: var(--space-12) 0;
        min-height: auto;
    }

    .hero h1 {
        font-size: 2.25rem;
        /* ~36px, smaller than global min of 48px */
    }

    .hero-subtitle {
        font-size: var(--text-base);
    }
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.06;
    z-index: -1;
    pointer-events: none;
    animation: pulse 8s ease-in-out infinite;
}

.hero-gradient-1 {
    top: -200px;
    right: -200px;
    background: var(--color-accent-cyan);
}

.hero-gradient-2 {
    bottom: -300px;
    left: -200px;
    background: var(--color-accent-gold);
    animation-delay: -4s;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.3;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.4;
    }
}

/* ===== SECTION HEADERS ===== */
.section-header {
    max-width: 700px;
    margin-bottom: var(--space-12);
}

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

.section-header h2 {
    margin-bottom: var(--space-4);
}

.section-header p {
    font-size: var(--text-lg);
}

/* ===== TRUST STRIP ===== */
.trust-strip {
    padding: var(--space-12) 0;
    border-bottom: 1px solid var(--color-border);
}

.trust-strip-label {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    margin-bottom: var(--space-8);
}

.trust-logos {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
}

.trust-logo {
    width: 90px;
    height: 36px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-weight: 500;
    transition: opacity var(--transition-fast);
}

/* Base Footer Icon Constraints (Desktop) */
.footer-contact-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-right: var(--space-2);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.social-link svg {
    width: 18px;
    height: 18px;
}

.footer-social {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

@media (max-width: 640px) {
    .trust-strip {
        padding: var(--space-8) 0;
    }

    .trust-logos {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
        justify-items: center;
    }

    .trust-logo {
        width: 100%;
        max-width: 140px;
        height: 48px;
        font-size: var(--text-sm);
    }
}

/* ===== CTA BANNER ===== */
.cta-banner {
    position: relative;
    padding: var(--space-16) 0;
    text-align: center;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(255, 193, 7, 0.05));
    border-radius: var(--radius-2xl);
}

.cta-banner-content {
    position: relative;
    z-index: 1;
}

.cta-banner h2 {
    margin-bottom: var(--space-4);
}

.cta-banner p {
    font-size: var(--text-lg);
    max-width: 600px;
    margin: 0 auto var(--space-8);
}

.cta-banner-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
}

/* ===== PROCESS TIMELINE ===== */
.process-timeline {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .process-timeline {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===== FOOTER (Desktop Base) ===== */
.footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-brand p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    max-width: 320px;
}

.footer-brand .logo {
    margin-bottom: var(--space-4);
}

.footer-column h4 {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    margin-bottom: var(--space-6);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-accent-cyan);
}

.footer-contact-item {
    display: flex;
    align-items: center;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-3);
}

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

.footer-contact-item a:hover {
    color: var(--color-accent-cyan);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
}

.footer-legal a {
    color: inherit;
    text-decoration: none;
}

.footer-legal a:hover {
    color: var(--color-text-primary);
}

.footer-microcopy {
    text-align: center;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-4);
    opacity: 0.7;
}

@media (max-width: 1023px) {

    /* Footer Organization: Refined Grid for Mobile/Tablet */
    .footer-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8) var(--space-4);
        text-align: left;
    }

    /* Brand takes full width & Centers content to fix symmetry */
    .footer-brand {
        grid-column: 1 / -1;
        display: flex;
        flex-direction: column;
        align-items: center;
        /* Center aligning brand for symmetry */
        text-align: center;
        margin-bottom: var(--space-4);
    }

    .footer-brand p {
        max-width: 400px;
        margin: 0 auto;
    }

    .footer-brand .logo {
        font-size: var(--text-base);
        justify-content: center;
    }

    .footer-brand .logo-icon {
        width: 32px;
        height: 32px;
    }

    .footer-social {
        display: flex;
        flex-direction: row !important;
        justify-content: center;
        /* Center social icons */
        gap: var(--space-4);
        margin-top: var(--space-4);
    }

    /* Links sections take 1 col each */
    .footer-column {
        text-align: left;
        /* Keep lists left-aligned for readability */
        padding-left: var(--space-2);
        /* Slight indentation */
    }

    .footer-column h4 {
        margin-bottom: var(--space-4);
        font-size: var(--text-sm);
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

    .footer-contact-item {
        display: flex;
        /* Ensure flex behavior */
        align-items: center;
        /* Vertically center icon with text */
        justify-content: flex-start;
        font-size: var(--text-sm);
        margin-bottom: var(--space-2);
        /* add spacing between items */
    }

    .footer-links {
        display: flex;
        flex-direction: column !important;
        /* Force vertical stack */
        align-items: flex-start;
        gap: var(--space-3);
    }

    /* Social Logos: Constrained */
    .social-link {
        width: 36px !important;
        height: 36px !important;
    }

    .social-link svg {
        width: 18px !important;
        height: 18px !important;
    }

    /* Trust Logos: Horizontal Scroll Strip */
    .trust-strip {
        padding: var(--space-8) 0;
    }

    .trust-logos {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        gap: var(--space-6);
        padding-bottom: var(--space-4);
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
    }

    /* Center trigger if content is small */
    .trust-logos::before,
    .trust-logos::after {
        content: '';
        flex: 0 0 var(--space-4);
    }

    .trust-logo {
        flex: 0 0 auto;
        width: auto !important;
        max-width: 120px !important;
        height: 32px !important;
        font-size: var(--text-xs) !important;
        background: var(--color-bg-tertiary);
        padding: 0 var(--space-4);
        scroll-snap-align: center;
    }

    /* Fix Giant Icons in Footer */
    .footer-contact-item svg {
        width: 18px !important;
        height: 18px !important;
        flex-shrink: 0;
        margin-right: var(--space-3);
    }

    /* Ensure the container aligns them */
    .footer-content .contact-method-icon,
    .contact-method-icon {
        width: 32px !important;
        height: 32px !important;
        min-width: 32px;
    }

    .footer-content .contact-method-icon svg,
    .contact-method-icon svg {
        width: 16px !important;
        height: 16px !important;
    }

    /* Mobile CTA Bar (Flowing after footer) */
    .mobile-cta-bar {
        display: flex;
        padding: var(--space-8) var(--container-padding);
        background: var(--color-bg-secondary);
        border-top: 1px solid var(--color-border);
        gap: var(--space-4);
        margin-top: 0;
    }

    .mobile-cta-bar .btn {
        flex: 1;
        justify-content: center;
        padding: var(--space-4);
        font-size: var(--text-base);
        white-space: nowrap;
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    text-align: center;
}

.process-step {
    position: relative;
    padding: var(--space-6);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    text-align: center;
}

.process-step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-4);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-accent-cyan);
    background: rgba(0, 212, 255, 0.1);
    border: 2px solid var(--color-accent-cyan);
    border-radius: var(--radius-full);
}

.process-step h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.process-step p {
    font-size: var(--text-sm);
}