/*
 * About page styles
 * Prefix: .ab-*
 * Depends on: main.css, services.css
 */

/* ============================================================
   SECTION 1  Hero
   ============================================================ */
.ab-hero {
    background: var(--clr-dark);
    padding-top: calc(var(--header-h) + 72px);
    padding-bottom: 80px;
}

.ab-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.ab-hero-left {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.ab-hero-h1 {
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    color: var(--clr-white);
    margin: 0;
}

.ab-hero-sub {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--clr-muted);
    margin: 0;
    max-width: 520px;
}

.ab-hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    align-self: flex-start;
}

/* Hero stats card */
.ab-hero-right {
    display: flex;
    justify-content: flex-end;
}

.ab-hero-card {
    background: var(--clr-primary);
    border: 1px solid var(--clr-border);
    border-radius: 12px;
    padding: 40px 36px;
    display: flex;
    flex-direction: column;
    gap: 0;
    width: 100%;
    max-width: 380px;
}

.ab-hero-stat {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 28px 0;
}

.ab-hero-stat:first-child {
    padding-top: 0;
}

.ab-hero-stat:last-child {
    padding-bottom: 0;
}

.ab-stat-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--clr-accent);
    line-height: 1;
    letter-spacing: -0.02em;
}

.ab-stat-lbl {
    font-size: 0.875rem;
    color: var(--clr-muted);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.ab-hero-divider {
    height: 1px;
    background: var(--clr-border);
    width: 100%;
}

/* ============================================================
   SECTION 2  Story
   ============================================================ */
.ab-story {
    background: var(--clr-primary);
}

.ab-story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.ab-story-left {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ab-story-h2 {
    font-size: clamp(1.625rem, 2.5vw, 2.25rem);
    font-weight: 700;
    line-height: 1.25;
    color: var(--clr-white);
    margin: 0;
}

.ab-story-p {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--clr-muted);
    margin: 0;
}

/* Timeline */
.ab-timeline {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

.ab-timeline::before {
    content: '';
    position: absolute;
    top: 10px;
    bottom: 10px;
    left: 10px;
    width: 2px;
    background: var(--clr-border);
}

.ab-timeline-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px 0;
    position: relative;
}

.ab-tl-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--clr-accent);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    margin-top: 2px;
    box-shadow: 0 0 0 4px rgba(255, 209, 0, 0.15);
}

.ab-tl-body {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ab-tl-year {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--clr-accent);
    line-height: 1;
}

.ab-tl-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--clr-white);
}

/* ============================================================
   SECTION 3  Numbers bar
   ============================================================ */
.ab-numbers {
    background: var(--clr-accent);
    padding: 56px 0;
}

.ab-numbers-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.ab-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 8px 24px;
    position: relative;
    text-align: center;
}

.ab-stat + .ab-stat::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10%;
    height: 80%;
    width: 1px;
    background: rgba(10, 25, 47, 0.2);
}

.ab-stat-big {
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 800;
    color: var(--clr-primary);
    line-height: 1;
    letter-spacing: -0.02em;
}

.ab-stat-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: rgba(10, 25, 47, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    text-align: center;
}

/* ============================================================
   SECTION 4  Values
   ============================================================ */
.ab-values {
    background: var(--clr-dark);
}

.ab-values-header {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 56px;
}

.ab-values-h2 {
    font-size: clamp(1.75rem, 2.75vw, 2.5rem);
    font-weight: 700;
    color: var(--clr-white);
    margin: 0;
    max-width: 560px;
    line-height: 1.2;
}

.ab-values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.ab-value-card {
    background: var(--clr-primary);
    border: 1px solid var(--clr-border);
    border-radius: 8px;
    padding: 36px 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: border-color var(--transition);
}

.ab-value-card:hover {
    border-color: rgba(255, 209, 0, 0.25);
}

.ab-vc-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    background: rgba(255, 209, 0, 0.1);
    color: var(--clr-accent);
    flex-shrink: 0;
}

.ab-vc-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--clr-white);
    margin: 0;
}

.ab-vc-desc {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--clr-muted);
    margin: 0;
}

/* ============================================================
   SECTION 5  Industries
   ============================================================ */
.ab-industries {
    background: var(--clr-primary);
}

.ab-ind-header {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 56px;
    max-width: 680px;
}

.ab-ind-h2 {
    font-size: clamp(1.75rem, 2.75vw, 2.5rem);
    font-weight: 700;
    color: var(--clr-white);
    margin: 0;
}

.ab-ind-intro {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--clr-muted);
    margin: 0;
}

.ab-ind-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

/* Card — horizontal: icon left, body right */
.ab-ind-card {
    background: var(--clr-dark);
    border: 1px solid var(--clr-border);
    border-radius: 10px;
    padding: 32px;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 24px;
    transition: border-color var(--transition), transform var(--transition);
}

.ab-ind-card:hover {
    border-color: rgba(255, 209, 0, 0.3);
    transform: translateY(-3px);
}

/* Icon box */
.ab-ind-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 8px;
    background: rgba(255, 209, 0, 0.08);
    border: 1px solid rgba(255, 209, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-accent);
}

/* Body */
.ab-ind-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.ab-ind-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--clr-white);
    margin: 0;
    line-height: 1.3;
}

.ab-ind-hook {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--clr-muted);
    margin: 0;
}

.ab-ind-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ab-ind-list li {
    font-size: 0.875rem;
    color: var(--clr-body);
    padding-left: 16px;
    position: relative;
    line-height: 1.5;
}

.ab-ind-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--clr-accent);
    flex-shrink: 0;
}

.ab-ind-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--clr-accent);
    text-decoration: none;
    margin-top: 4px;
    transition: gap var(--transition);
}

.ab-ind-link:hover {
    gap: 9px;
}

/* ============================================================
   RESPONSIVE  768px
   ============================================================ */
@media (max-width: 768px) {

    .ab-hero {
        padding-top: calc(var(--header-h) + 48px);
        padding-bottom: 56px;
    }

    .ab-hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .ab-hero-right {
        justify-content: center;
    }

    .ab-hero-card {
        max-width: 100%;
        flex-direction: row;
        padding: 28px 24px;
        gap: 0;
        justify-content: space-between;
        align-items: center;
    }

    .ab-hero-divider {
        width: 1px;
        height: auto;
        align-self: stretch;
    }

    .ab-hero-stat {
        padding: 0 20px;
        align-items: center;
    }

    .ab-hero-stat:first-child { padding-left: 0; }
    .ab-hero-stat:last-child  { padding-right: 0; }

    .ab-story-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .ab-numbers-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px 0;
    }

    .ab-stat + .ab-stat::before {
        display: none;
    }

    .ab-values-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .ab-ind-grid {
        grid-template-columns: 1fr;
    }

    .ab-ind-card {
        padding: 24px 20px;
        gap: 18px;
    }
}

/* ============================================================
   RESPONSIVE  480px
   ============================================================ */
@media (max-width: 480px) {

    .ab-hero-card {
        flex-direction: column;
        padding: 28px 20px;
    }

    .ab-hero-divider {
        width: 100%;
        height: 1px;
        align-self: auto;
    }

    .ab-hero-stat {
        padding: 20px 0;
        align-items: flex-start;
    }

    .ab-hero-stat:first-child { padding-top: 0; }
    .ab-hero-stat:last-child  { padding-bottom: 0; }

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

    .ab-ind-grid {
        grid-template-columns: 1fr;
    }

    .ab-values-h2,
    .ab-ind-h2,
    .ab-story-h2 {
        font-size: 1.5rem;
    }
}