/**
 * About Us – unique, modern, elegant layout and animations
 * Uses .ark-reveal + .ark-reveal-visible (main.js) for scroll reveals
 */

/* ----- Scroll reveal base ----- */
.ark-main-about .ark-reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.ark-main-about .ark-reveal.ark-reveal-visible {
    opacity: 1;
    transform: translateY(0);
}

.ark-main-about .ark-reveal-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.ark-main-about .ark-reveal-stagger.ark-reveal-visible > *:nth-child(1) { transition-delay: 0.05s; }
.ark-main-about .ark-reveal-stagger.ark-reveal-visible > *:nth-child(2) { transition-delay: 0.12s; }
.ark-main-about .ark-reveal-stagger.ark-reveal-visible > *:nth-child(3) { transition-delay: 0.19s; }
.ark-main-about .ark-reveal-stagger.ark-reveal-visible > *:nth-child(4) { transition-delay: 0.26s; }
.ark-main-about .ark-reveal-stagger.ark-reveal-visible > *:nth-child(5) { transition-delay: 0.33s; }
.ark-main-about .ark-reveal-stagger.ark-reveal-visible > *:nth-child(6) { transition-delay: 0.4s; }

.ark-main-about .ark-reveal-stagger.ark-reveal-visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* ----- Hero ----- */
.ark-about-hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.ark-about-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.05);
    transition: transform 8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.ark-about-hero:hover .ark-about-hero-bg {
    transform: scale(1.12);
}

.ark-about-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(10, 14, 20, 0.5) 0%,
        rgba(10, 14, 20, 0.75) 50%,
        rgba(10, 14, 20, 0.9) 100%
    );
}

.ark-about-hero-inner {
    position: relative;
    z-index: 1;
    padding: var(--header-height, 80px) var(--space-md) var(--space-2xl);
}

.ark-about-hero-eyebrow {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin: 0 0 var(--space-sm);
}

.ark-about-hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--color-white);
    margin: 0 0 var(--space-md);
    max-width: 18ch;
    margin-left: auto;
    margin-right: auto;
}

.ark-about-hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: rgba(255, 255, 255, 0.88);
    max-width: 32ch;
    margin: 0 auto;
}

.ark-about-hero-scroll {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
}

.ark-about-hero-scroll-line {
    display: block;
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
    animation: ark-about-scroll-pulse 2s ease-in-out infinite;
}

@media (max-width: 768px) {
    .ark-about-hero {
        min-height: 70vh;
    }
    .ark-about-hero-inner {
        padding: calc(var(--header-height) + var(--space-lg)) var(--space-sm) var(--space-xl);
    }
    .ark-about-hero-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
    }
    .ark-about-hero-subtitle {
        font-size: 0.9375rem;
    }
    .ark-main-about .ark-section {
        padding: var(--space-xl) 0;
    }
    .ark-about-story-inner {
        gap: var(--space-lg);
    }
    .ark-about-story-title {
        font-size: clamp(1.5rem, 4vw, 1.75rem);
    }
    .ark-about-why-title,
    .ark-about-journey-title {
        font-size: clamp(1.5rem, 4vw, 1.75rem);
    }
}

@keyframes ark-about-scroll-pulse {
    0%, 100% { opacity: 0.4; transform: scaleY(0.8); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

/* ----- Section spacing ----- */
.ark-main-about .ark-section {
    padding: var(--space-2xl) 0;
}

@media (min-width: 768px) {
    .ark-main-about .ark-section {
        padding: clamp(64px, 10vw, 120px) 0;
    }
}

/* ----- Story ----- */
.ark-about-story {
    background: var(--color-bg-primary);
}

.ark-about-story-inner {
    display: grid;
    gap: var(--space-xl);
    align-items: center;
}

@media (min-width: 900px) {
    .ark-about-story-inner {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }
}

.ark-about-story-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-charcoal);
    margin: 0 0 var(--space-md);
}

.ark-about-story-text p {
    margin: 0 0 var(--space-sm);
    color: var(--color-text-secondary);
}

.ark-about-story-text p:last-child {
    margin-bottom: 0;
}

.ark-about-trust-heading {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-charcoal);
    margin: var(--space-md) 0 var(--space-xs);
}

.ark-about-trust-list {
    margin: 0 0 var(--space-md);
    padding-left: 1.25rem;
    color: var(--color-text-secondary);
}

.ark-about-trust-list li {
    margin-bottom: 0.35em;
}

.ark-about-story-image-wrap {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.12);
}

.ark-about-story-image-wrap::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px solid var(--color-accent);
    border-radius: 12px;
    opacity: 0.2;
    pointer-events: none;
}

.ark-about-story-image-wrap img {
    display: block;
    width: 100%;
    height: auto;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.ark-about-story-visual.ark-reveal-visible .ark-about-story-image-wrap img {
    transform: scale(1.02);
}

/* ----- Why ARK ----- */
.ark-about-why {
    background: var(--color-white);
}

.ark-about-why-eyebrow {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin: 0 0 var(--space-sm);
}

.ark-about-why-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-charcoal);
    margin: 0 0 var(--space-xl);
}

.ark-about-why-grid {
    display: grid;
    gap: var(--space-md);
    grid-template-columns: 1fr;
}

@media (min-width: 600px) {
    .ark-about-why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .ark-about-why-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }

    .ark-about-why-card-featured {
        grid-column: span 2;
    }
}

.ark-about-why-card {
    padding: var(--space-lg);
    border-radius: 12px;
    background: var(--color-bg-primary);
    border: 1px solid transparent;
    transition: border-color var(--transition-base),
                box-shadow var(--transition-base),
                transform var(--transition-base);
}

.ark-about-why-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 12px 32px rgba(74, 144, 164, 0.12);
    transform: translateY(-4px);
}

.ark-about-why-card-featured {
    background: linear-gradient(135deg, rgba(74, 144, 164, 0.08), rgba(74, 144, 164, 0.02));
    border-color: rgba(74, 144, 164, 0.25);
}

.ark-about-why-card-featured:hover {
    border-color: var(--color-accent);
}

.ark-about-why-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    transition: transform var(--transition-base);
}

.ark-about-why-card:hover .ark-about-why-icon {
    transform: scale(1.08);
}

.ark-about-why-card h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-charcoal);
    margin: 0 0 var(--space-xs);
}

.ark-about-why-card p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* ----- Journey (milestones) ----- */
.ark-about-journey {
    background: var(--color-bg-primary);
}

.ark-about-journey-eyebrow {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin: 0 0 var(--space-sm);
}

.ark-about-journey-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-charcoal);
    margin: 0 0 var(--space-xl);
}

.ark-about-journey-track {
    position: relative;
    padding: var(--space-md) 0;
}

.ark-about-journey-line {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--color-accent) 15%,
        var(--color-accent) 85%,
        transparent 100%
    );
    opacity: 0.4;
    transform: translateY(-50%);
}

@media (max-width: 767px) {
    .ark-about-journey-line {
        left: 16px;
        right: auto;
        width: 2px;
        height: 100%;
        top: 0;
        bottom: 0;
        transform: none;
        background: linear-gradient(
            180deg,
            transparent 0%,
            var(--color-accent) 10%,
            var(--color-accent) 90%,
            transparent 100%
        );
    }
}

.ark-about-journey-milestones {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    align-items: start;
}

@media (max-width: 767px) {
    .ark-about-journey-milestones {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        padding-left: var(--space-md);
    }
}

.ark-about-milestone {
    text-align: center;
    padding: 0 var(--space-sm);
}

@media (max-width: 767px) {
    .ark-about-milestone {
        text-align: left;
        padding-left: var(--space-lg);
        position: relative;
    }
}

.ark-about-milestone-dot {
    display: inline-block;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-accent);
    margin-bottom: var(--space-sm);
    box-shadow: 0 0 0 4px rgba(74, 144, 164, 0.2);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.ark-about-milestone.ark-reveal-visible .ark-about-milestone-dot {
    animation: ark-about-dot-pop 0.5s ease-out forwards;
}

@keyframes ark-about-dot-pop {
    0% { transform: scale(0); opacity: 0; }
    60% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

.ark-about-milestone-year {
    display: block;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.ark-about-milestone p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* ----- Trust / Certifications ----- */
.ark-about-trust {
    background: var(--color-white);
}

.ark-about-trust-title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-charcoal);
    margin: 0 0 var(--space-lg);
    text-align: center;
}

.ark-about-trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
}

.ark-about-badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(74, 144, 164, 0.1);
    border: 1px solid rgba(74, 144, 164, 0.3);
    border-radius: 999px;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.ark-about-badge:hover {
    background: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* ----- CTA ----- */
.ark-about-cta {
    position: relative;
    text-align: center;
    padding: var(--space-2xl) var(--space-md);
}

.ark-about-cta-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-charcoal) 0%, var(--color-dark) 100%);
}

.ark-about-cta-inner {
    position: relative;
    z-index: 1;
}

.ark-about-cta-title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-white);
    margin: 0 0 var(--space-sm);
}

.ark-about-cta-text {
    color: rgba(255, 255, 255, 0.85);
    margin: 0 0 var(--space-lg);
    max-width: 36ch;
    margin-left: auto;
    margin-right: auto;
}

.ark-about-cta-btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-white);
    background: var(--color-accent);
    border: none;
    border-radius: 8px;
    text-decoration: none;
    transition: background var(--transition-base), transform var(--transition-base);
}

.ark-about-cta-btn:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
}

/* ----- Responsive tweaks ----- */
@media (max-width: 599px) {
    .ark-about-hero {
        min-height: 75vh;
    }

    .ark-about-why-card-featured {
        grid-column: span 1;
    }

    .ark-about-trust-badges {
        justify-content: flex-start;
    }
}