/* ===================================
   ABOUT PAGE - TESLA MINIMAL
   Infrastructure-first. Operator-led.
   =================================== */

/* ===== BODY OVERRIDE ===== */
.about-body {
    background: #FFFFFF;
    color: #111111;
}

/* ===== NAVIGATION (ADAPTIVE) ===== */
.about-nav {
    background: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.about-nav .logo a {
    color: #FFFFFF;
}

.about-nav .nav-menu a {
    color: rgba(255, 255, 255, 0.7);
}

.about-nav .nav-menu a:hover,
.about-nav .nav-menu a.active {
    color: #FFFFFF;
}

/* ===== MAIN CONTAINER ===== */
.about-main {
    margin-top: 80px;
}

/* ===== CONTAINER SYSTEM ===== */
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 120px;
}

@media (max-width: 1024px) {
    .container {
        padding: 0 60px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }
}

/* ===== SECTIONS (100vh) ===== */
.section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

@media (max-width: 768px) {
    .section {
        min-height: auto;
        padding: 100px 0;
    }
}

/* ===== SECTION 1: HERO ===== */
.section-hero {
    background: #111111;
    color: #FFFFFF;
    text-align: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    animation: slowZoom 20s ease-in-out infinite alternate;
    z-index: 1;
}

@keyframes slowZoom {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.01);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #777777;
    margin-bottom: 60px;
}

.hero-statement {
    font-size: clamp(48px, 7vw, 80px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.01em;
    color: #FFFFFF;
    margin-bottom: 32px;
}

.hero-line {
    display: block;
    margin-bottom: 24px;
}

.hero-subline {
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: 400;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.7);
}

/* ===== SECTION 2: THE PROBLEM ===== */
.section-problem {
    background: #FFFFFF;
    color: #111111;
    text-align: center;
}

.section-headline {
    font-size: clamp(36px, 5vw, 48px);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: #111111;
    margin-bottom: 60px;
}

.problem-list {
    margin-bottom: 60px;
}

.problem-item {
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: 400;
    line-height: 1.4;
    color: #111111;
    margin-bottom: 16px;
    opacity: 0.85;
}

.problem-conclusion {
    margin-top: 80px;
}

.conclusion-line {
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: 500;
    line-height: 1.4;
    color: #111111;
    margin-bottom: 12px;
}

/* ===== SECTION 3: BUILT BY OPERATORS ===== */
.section-operators {
    background: #F5F5F5;
    color: #111111;
}

.operators-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

@media (max-width: 768px) {
    .operators-grid {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
}

.operators-image {
    position: relative;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: #FFFFFF;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: none;
    display: block;
}

.operators-text {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.operators-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #777777;
}

.operators-headline {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: #111111;
    margin-top: 16px;
}

.operators-subline {
    font-size: clamp(18px, 2vw, 24px);
    font-weight: 400;
    line-height: 1.4;
    color: #555555;
    margin-top: 16px;
}

/* ===== SECTION 4: BELIEF ===== */
.section-belief {
    background: #FFFFFF;
    color: #111111;
    text-align: center;
}

.belief-content {
    max-width: 800px;
    margin: 0 auto;
}

.belief-line {
    font-size: clamp(36px, 5vw, 48px);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: #111111;
    margin-bottom: 20px;
}

.belief-spacer {
    height: 40px;
}

.belief-final {
    font-size: clamp(38px, 5.2vw, 50px);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: #111111;
}

/* ===== SECTION 5: CLOSING ===== */
.section-closing {
    background: #111111;
    color: #FFFFFF;
    text-align: center;
}

.closing-content {
    max-width: 800px;
    margin: 0 auto;
}

.closing-statement {
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 400;
    line-height: 1.5;
    color: #FFFFFF;
    margin-bottom: 48px;
}

.closing-line {
    display: block;
    margin-bottom: 12px;
}

.closing-cta {
    margin-top: 48px;
}

.closing-btn {
    display: inline-block;
    width: 180px;
    height: 48px;
    line-height: 48px;
    font-size: 16px;
    font-weight: 500;
    color: #FFFFFF;
    background: transparent;
    border: 1px solid #FFFFFF;
    border-radius: 999px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.closing-btn:hover {
    background: #FFFFFF;
    color: #111111;
    transform: translateY(-2px);
}

/* ===== ANIMATIONS ===== */

/* Initial state for all reveal elements */
.fade-reveal,
.scroll-reveal,
.scale-reveal {
    opacity: 0;
    transform: translateY(20px);
}

.scale-reveal {
    transform: translateY(20px) scale(1.02);
}

/* Visible state */
.fade-reveal.visible,
.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-reveal.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Problem items reduced opacity after reveal */
.problem-item.visible {
    opacity: 0.85;
}

/* Delay system */
[data-delay="0"] { transition-delay: 0s; }
[data-delay="100"] { transition-delay: 0.1s; }
[data-delay="150"] { transition-delay: 0.15s; }
[data-delay="200"] { transition-delay: 0.2s; }
[data-delay="300"] { transition-delay: 0.3s; }
[data-delay="350"] { transition-delay: 0.35s; }
[data-delay="400"] { transition-delay: 0.4s; }
[data-delay="450"] { transition-delay: 0.45s; }
[data-delay="500"] { transition-delay: 0.5s; }
[data-delay="600"] { transition-delay: 0.6s; }
[data-delay="700"] { transition-delay: 0.7s; }

/* Operators image slide from left */
.operators-image.scroll-reveal {
    opacity: 0;
    transform: translateX(-20px);
}

.operators-image.scroll-reveal.visible {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), 
                transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ===== FOOTER (DARK VERSION) ===== */
.about-footer {
    background: #111111;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 80px 48px;
}

.about-footer p {
    color: rgba(255, 255, 255, 0.6);
}

.about-footer a {
    color: rgba(255, 255, 255, 0.8);
}

.about-footer a:hover {
    color: #FFFFFF;
}

/* ===== RESPONSIVE ADJUSTMENTS ===== */
@media (max-width: 768px) {
    .hero-label {
        margin-bottom: 40px;
    }
    
    .section-headline {
        margin-bottom: 40px;
    }
    
    .problem-list {
        margin-bottom: 40px;
    }
    
    .problem-conclusion {
        margin-top: 60px;
    }
    
    .operators-grid {
        gap: 32px;
    }
    
    .belief-spacer {
        height: 32px;
    }
    
    .closing-statement {
        margin-bottom: 40px;
    }
    
    .closing-cta {
        margin-top: 40px;
    }
    
    .closing-btn {
        width: 100%;
    }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
    .fade-reveal,
    .scroll-reveal,
    .scale-reveal,
    .closing-btn,
    .hero-background {
        animation: none;
        transition: none;
        opacity: 1;
        transform: none;
    }
}