/* =====================================================================
   HOME PAGE - Page-specific Styles
   Uses design tokens from _variables.css
   ===================================================================== */

/* ==========================================
   SECTION 1: HERO (Full-width background image)
   ========================================== */

.home-hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    padding: var(--space-20) var(--space-8);
    box-sizing: border-box;
    background-color: #1a1a2e;
    background-size: cover;
    background-position: center right;
    background-repeat: no-repeat;
}

/* Dark overlay for text readability */
.home-hero .hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to right,
        rgba(0, 0, 0, 0.7) 0%,
        rgba(0, 0, 0, 0.5) 40%,
        rgba(0, 0, 0, 0.2) 70%,
        transparent 100%
    );
    pointer-events: none;
}

.home-hero .section-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Hero Content (Left-aligned) */
.home-hero .hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    max-width: 550px;
}

.home-hero .hero-headline {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    margin: 0 0 var(--space-6);
    line-height: 1.1;
    color: #ffffff;
    letter-spacing: var(--tracking-tighter);
}

.home-hero .hero-line {
    display: block;
}

.home-hero .hero-subheadline {
    font-size: var(--text-md);
    color: rgba(255, 255, 255, 0.85);
    margin: 0 0 var(--space-8);
    max-width: 480px;
    line-height: var(--leading-relaxed);
    font-weight: var(--font-normal);
}

/* CTA Buttons */
.home-hero .hero-cta-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: flex-start;
}

.home-hero .cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-size: var(--text-md);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-out);
    letter-spacing: var(--tracking-tight);
}

.home-hero .cta-primary {
    background: #ffffff;
    color: #1a1a2e;
    border: 1px solid #ffffff;
}

.home-hero .cta-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.9);
}

.home-hero .cta-secondary {
    background: transparent;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.home-hero .cta-secondary:hover {
    border-color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

/* ==========================================
   SECTION: OPERATING SYSTEM FOR WORK
   ========================================== */

.section-os {
    padding: var(--space-20) var(--space-8);
    background: var(--color-bg);
}

.section-os .section-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.os-headline {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-text);
    margin: 0 0 var(--space-12);
    letter-spacing: var(--tracking-tight);
}

.os-pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-12);
    max-width: 1000px;
    margin: 0 auto;
}

.os-pillar {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    height: 100%;
}

.os-pillar-image {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: var(--color-bg-elevated);
    margin-bottom: var(--space-5);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.os-pillar-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.os-pillar-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-text);
    margin: 0 0 var(--space-2);
    letter-spacing: var(--tracking-tight);
    min-height: 2.5em;
    display: flex;
    align-items: center;
    justify-content: center;
}

.os-pillar-description {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin: 0;
    line-height: var(--leading-normal);
    max-width: 280px;
}

/* ==========================================
   SECTION 2: INDUSTRY SELECTION
   ========================================== */

.section-industries {
    padding: var(--space-20) var(--space-8);
    background: var(--color-bg);
}

.section-industries .section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.industry-prompt {
    font-size: var(--text-xs);
    color: var(--color-text-subtle);
    margin-bottom: var(--space-8);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    text-align: center;
}

/* Card Grid - 3 cards on one line */
.industry-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}

/* Industry Cards */
.industry-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-6);
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-xl);
    text-decoration: none;
    background: var(--color-bg);
    transition: border-color var(--duration-fast) var(--ease-out),
                box-shadow var(--duration-fast) var(--ease-out);
    text-align: left;
}

.industry-card:hover {
    border-color: var(--color-border-focus);
    box-shadow: var(--shadow-sm);
}

.card-title {
    font-size: var(--text-md);
    font-weight: var(--font-semibold);
    color: var(--color-text);
    margin: 0 0 var(--space-2);
    letter-spacing: var(--tracking-tight);
}

.card-description {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin: 0;
    line-height: var(--leading-normal);
}

/* ==========================================
   SECTION: FAQS
   ========================================== */

.section-faqs {
    padding: var(--space-20) var(--space-8);
    background: var(--color-bg-alt);
}

.section-faqs .section-container {
    max-width: 800px;
    margin: 0 auto;
}

.faqs-headline {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-text);
    margin: 0 0 var(--space-10);
    letter-spacing: var(--tracking-tight);
}

.faqs-list {
    display: flex;
    flex-direction: column;
}

.section-faqs .faq-item {
    border-bottom: 1px solid var(--color-border);
    overflow: visible;
    max-height: none;
}

.section-faqs .faq-item:first-child {
    border-top: 1px solid var(--color-border);
}

.section-faqs .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) 0;
    cursor: pointer;
    list-style: none;
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-text);
    transition: color var(--duration-fast) var(--ease-out);
}

.section-faqs .faq-question::-webkit-details-marker {
    display: none;
}

.section-faqs .faq-question:hover {
    color: var(--color-text-muted);
}

.section-faqs .faq-chevron {
    flex-shrink: 0;
    color: var(--color-text-muted);
    transition: transform var(--duration-fast) var(--ease-out);
}

.section-faqs .faq-item[open] .faq-chevron {
    transform: rotate(180deg);
}

.section-faqs .faq-answer {
    display: block;
    padding-bottom: var(--space-6);
    padding-right: var(--space-10);
    overflow: visible;
    max-height: none;
    height: auto;
}

.section-faqs .faq-answer p {
    margin: 0;
    padding: 0;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.75;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (min-width: 1024px) {
    .home-hero .hero-headline {
        font-size: var(--text-5xl);
    }

    .home-hero .hero-subheadline {
        font-size: var(--text-lg);
    }
}

@media (max-width: 960px) {
    .home-hero {
        background-position: center center;
    }

    .home-hero .hero-overlay {
        background: linear-gradient(
            to bottom,
            rgba(0, 0, 0, 0.6) 0%,
            rgba(0, 0, 0, 0.5) 50%,
            rgba(0, 0, 0, 0.4) 100%
        );
    }

    .home-hero .hero-content {
        max-width: 100%;
    }

    .os-pillars-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
        max-width: 900px;
    }

    .os-pillar-image {
        width: 120px;
        height: 120px;
    }

    .industry-cards {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-4);
    }
}

@media (max-width: 640px) {
    .home-hero {
        padding: var(--space-16) var(--space-6);
        min-height: 70vh;
    }

    .home-hero .hero-headline {
        font-size: var(--text-3xl);
    }

    .home-hero .hero-subheadline {
        font-size: var(--text-sm);
        margin-bottom: var(--space-6);
    }

    .home-hero .hero-cta-buttons {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--space-3);
    }

    .home-hero .cta-button {
        padding: var(--space-3) var(--space-5);
        font-size: var(--text-sm);
    }

    .section-os {
        padding: var(--space-16) var(--space-6);
    }

    .os-headline {
        font-size: var(--text-2xl);
        margin-bottom: var(--space-10);
    }

    .os-pillars-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        max-width: 320px;
        margin: 0 auto;
    }

    .os-pillar-image {
        width: 120px;
        height: 120px;
    }

    .os-pillar-title {
        font-size: var(--text-base);
    }

    .os-pillar-description {
        font-size: var(--text-xs);
    }

    .section-industries {
        padding: var(--space-16) var(--space-6);
    }

    .industry-prompt {
        margin-bottom: var(--space-6);
    }

    .industry-cards {
        grid-template-columns: repeat(2, 1fr);
        max-width: none;
    }

    .industry-card {
        padding: var(--space-5);
        min-height: auto;
    }

    .card-title {
        font-size: var(--text-base);
    }

    .card-description {
        font-size: var(--text-xs);
    }

    .section-faqs {
        padding: var(--space-16) var(--space-6);
    }

    .faqs-headline {
        font-size: var(--text-2xl);
        margin-bottom: var(--space-8);
    }

    .section-faqs .faq-question {
        font-size: var(--text-sm);
        padding: var(--space-4) 0;
    }

    .section-faqs .faq-answer {
        padding-bottom: var(--space-5);
        padding-right: 0;
    }

    .section-faqs .faq-answer p {
        font-size: var(--text-xs);
        line-height: 1.7;
    }
}

@media (max-width: 480px) {
    .home-hero .hero-headline {
        font-size: var(--text-2xl);
    }

    .home-hero .hero-subheadline {
        font-size: var(--text-xs);
    }
}