/* ================================================
   COMPONENT STYLES - FULL RESTORATION
   Buttons, Cards, Navigation, Sections, Footer
   ================================================ */

/* ─────────────────────────────────────────────
   BUTTONS
   ───────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: var(--text-sm);
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

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

.btn-primary:hover {
    background-color: #333;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--color-border);
    color: var(--color-text-primary);
}

.btn-secondary:hover {
    border-color: var(--color-text-primary);
    background-color: rgba(0, 0, 0, 0.02);
}

.btn .icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* ─────────────────────────────────────────────
   NAVIGATION
   ───────────────────────────────────────────── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-6);
}

.nav-logo {
    font-weight: 700;
    font-size: var(--text-lg);
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color 0.2s ease;
    position: relative;
}

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

.nav-cta {
    padding: 10px 20px;
    font-size: 13px;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
}

/* ─────────────────────────────────────────────
   SECTION STYLING
   ───────────────────────────────────────────── */
.section-header {
    margin-bottom: var(--space-12);
}

.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-3);
}

.section-title {
    font-size: var(--text-3xl);
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
}

.page-title {
    font-size: var(--text-hero);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--space-4);
}

/* ─────────────────────────────────────────────
   HERO SECTION
   ───────────────────────────────────────────── */
.hero-section {
    padding-top: calc(72px + var(--space-20));
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-heading {
    font-size: var(--text-hero);
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--color-text-primary);
    margin-bottom: var(--space-6);
}

.hero-subheading {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.6;
    max-width: 540px;
    margin-bottom: var(--space-8);
}

.scroll-indicator {
    margin-top: var(--space-12);
    color: var(--color-text-tertiary);
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-8px);
    }

    60% {
        transform: translateY(-4px);
    }
}

/* ─────────────────────────────────────────────
   ABOUT SECTION
   ───────────────────────────────────────────── */
.about-body {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--color-text-secondary);
}

/* ─────────────────────────────────────────────
   VALUE MODEL GRID
   ───────────────────────────────────────────── */
.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.value-card {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.value-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    color: var(--color-text-primary);
}

.value-title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.value-desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ─────────────────────────────────────────────
   PHASES GRID (How I Operate)
   ───────────────────────────────────────────── */
.phases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
}

.phase-card {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.phase-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.phase-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-sm);
}

.phase-number {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
}

.phase-title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.phase-desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.phase-outputs {
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-light);
    font-size: 13px;
}

.outputs-label {
    font-weight: 600;
    color: var(--color-text-tertiary);
}

.outputs-text {
    color: var(--color-text-secondary);
}

/* ─────────────────────────────────────────────
   PROOF GRID (Why Me)
   ───────────────────────────────────────────── */
.proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.proof-card {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    text-align: center;
}

.proof-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-4);
}

.proof-title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.proof-desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ─────────────────────────────────────────────
   HELP GRID (Ways I Can Help)
   ───────────────────────────────────────────── */
.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
}

.help-card {
    background: white;
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.help-prompt {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-2);
}

.help-text {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ─────────────────────────────────────────────
   SKILLS SECTION
   ───────────────────────────────────────────── */
.skills-layout {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

@media (max-width: 900px) {
    .skills-layout {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
}

.skill-card {
    background: white;
    padding: var(--space-8);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.skill-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-border);
}

.skill-card-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.skill-card-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
}

.skill-chips-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.skill-chip {
    display: inline-block;
    padding: 6px 14px;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.skill-chip:hover {
    background: white;
    border-color: var(--color-border);
    color: var(--color-text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* ─────────────────────────────────────────────
   PROJECT CARDS
   ───────────────────────────────────────────── */
.projects-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.project-card {
    background: white;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: all 0.2s ease;
}

.project-card:hover {
    border-color: var(--color-border);
    box-shadow: var(--shadow-lg);
}

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

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.project-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.card-description-wrapper {
    margin-bottom: var(--space-6);
}

.project-description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

/* Details Expansion */
.project-details {
    margin-top: var(--space-6);
    border-top: 1px solid var(--color-border-light);
    padding-top: var(--space-4);
}

.details-trigger {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    color: var(--color-text-primary);
}

.details-trigger::-webkit-details-marker {
    display: none;
}

.details-content {
    margin-top: var(--space-6);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

.detail-block {
    margin-bottom: var(--space-6);
}

.detail-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-2);
}

.detail-text {
    color: var(--color-text-secondary);
    line-height: 1.7;
}



/* ─────────────────────────────────────────────
   CTA SECTION
   ───────────────────────────────────────────── */
.cta-section {
    text-align: center;
    padding: var(--space-16) var(--space-8);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-xl);
}

.cta-title {
    font-size: var(--text-2xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.cta-subtitle {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

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

/* ─────────────────────────────────────────────
   FOOTER
   ───────────────────────────────────────────── */
.footer {
    padding: var(--space-12) 0;
    border-top: 1px solid var(--color-border-light);
    background: white;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-copyright {
    font-size: 13px;
    color: var(--color-text-secondary);
}

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

.footer-link {
    font-size: 13px;
    color: var(--color-text-secondary);
    transition: color 0.2s ease;
}

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

/* ─────────────────────────────────────────────
   INTERACTIVE CARDS (Generic)
   ───────────────────────────────────────────── */
.card-interactive {
    background: white;
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    transition: all 0.3s ease;
}

.card-interactive:hover {
    border-color: var(--color-border);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ─────────────────────────────────────────────
   BRAND STRATEGY PROJECT STYLES
   ───────────────────────────────────────────── */

/* Approach Grid */
.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.approach-card {
    background: var(--surface-2);
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.approach-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.approach-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--text-1);
}

.approach-desc {
    font-size: 0.95rem;
    color: var(--text-2);
    line-height: 1.5;
}

/* Strategy System Blocks */
.strategy-system {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.strategy-block-title {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-3);
    margin-bottom: var(--space-4);
    border-bottom: 1px solid var(--border);
    padding-bottom: var(--space-2);
}

/* Positioning */
.positioning-content {
    background: var(--surface-2);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
}

.positioning-headline {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--text-1);
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.value-tile {
    font-size: 0.95rem;
    color: var(--text-1);
    box-shadow: var(--shadow-sm);
}

/* Brand Pyramid */
.brand-pyramid {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .approach-grid {
        grid-template-columns: 1fr;
    }

    .positioning-headline {
        font-size: 1.3rem;
    }

    .role-hierarchy-container {
        grid-template-columns: 1fr;
    }
}

/* ─────────────────────────────────────────────
   DEMO VIEWER MODAL
   ───────────────────────────────────────────── */
.demo-viewer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.demo-viewer-overlay.open {
    opacity: 1;
    visibility: visible;
}

.demo-viewer-container {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.demo-viewer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    background: rgba(0, 0, 0, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.demo-viewer-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: #ffffff;
    letter-spacing: 0.02em;
}

.demo-viewer-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-sm);
    color: #ffffff;
    cursor: pointer;
    font-size: 18px;
    transition: background 0.2s ease, transform 0.2s ease;
}

.demo-viewer-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.demo-viewer-body {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.demo-viewer-iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: #ffffff;
}