/* ===================================
   PARTNERS PAGE - TESLA MINIMAL
   Infrastructure Investment
   Pure typography. Maximum clarity.
   =================================== */

/* ===== BODY OVERRIDE ===== */
.partners-body {
    background: #000000;
    color: #ffffff;
}

/* ===== TOP TAG ===== */
.top-tag {
    position: fixed;
    top: 32px;
    right: 48px;
    font-size: 12px;
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    opacity: 0.6;
    z-index: 999;
    color: #ffffff;
}

/* ===== NAVIGATION (MINIMAL) ===== */
.partners-nav {
    background: rgba(0, 0, 0, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.partners-nav .logo a {
    color: #ffffff;
}

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

.partners-nav .nav-menu a:hover,
.partners-nav .nav-menu a.active {
    color: #ffffff;
}

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

/* ===== CONTAINER SYSTEM ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 48px;
}

.container-centered {
    text-align: center;
}

/* ===== SECTIONS ===== */
.section {
    padding: 160px 0;
}

/* Hero - Extra top padding */
.section-hero {
    padding-top: 200px;
    padding-bottom: 180px;
}

/* AI Section - Darker background */
.section-ai {
    background: linear-gradient(to bottom, #000000, #0a0a0a);
}

/* Individual Section - Minimal */
.section-individual {
    padding: 200px 0;
}

/* Structure Section - Light background */
.section-structure {
    background: #0a0a0a;
}

/* Final CTA */
.section-final {
    padding: 200px 0;
}

/* ===== TYPOGRAPHY ===== */

/* H1 - Hero Title */
.hero-title {
    font-size: 72px;
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -0.01em;
    color: #ffffff;
    max-width: 1000px;
}

/* H2 - Section Titles */
.section-title {
    font-size: 36px;
    font-weight: 500;
    line-height: 1.2;
    color: #ffffff;
    max-width: 900px;
}

.section-title-centered {
    font-size: 42px;
    font-weight: 500;
    line-height: 1.2;
    color: #ffffff;
    margin: 0 auto;
}

/* Body Large */
.body-large {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.6;
    color: #ffffff;
    max-width: 720px;
}

/* Body Centered */
.body-centered {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    max-width: 720px;
    margin: 0 auto;
}

/* Body Stack (Multi-line paragraphs) */
.body-stack {
    max-width: 720px;
}

.body-stack p {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 20px 0;
}

.body-stack p:last-child {
    margin-bottom: 0;
}

/* Final Title */
.final-title {
    font-size: 64px;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.01em;
    color: #ffffff;
}

/* Structure Title */
.structure-title {
    font-size: 36px;
    font-weight: 500;
    line-height: 1.2;
    color: #ffffff;
}

/* Disclaimer */
.disclaimer {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.5);
    font-style: italic;
}

/* ===== FEATURE LIST ===== */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 720px;
}

.feature-item {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    padding-left: 32px;
    position: relative;
}

.feature-item::before {
    content: '•';
    position: absolute;
    left: 0;
    font-weight: 700;
    color: #00d4ff;
}

/* ===== GRID 2x2 ===== */
.grid-2x2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.grid-item {
    text-align: left;
    padding: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.grid-item:hover {
    background: rgba(255, 255, 255, 0.02);
}

.grid-item h3 {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.3;
    color: #ffffff;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.grid-item p {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.7);
}

/* ===== FLOW DIAGRAM ===== */
.flow-diagram {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    max-width: 1100px;
    margin: 0 auto;
}

.flow-step {
    text-align: center;
}

.flow-step h3 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.3;
    color: #ffffff;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.flow-step p {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.6);
}

.flow-arrow {
    font-size: 32px;
    color: rgba(255, 255, 255, 0.3);
    font-weight: 300;
}

/* ===== MINIMAL TEXT BLOCK ===== */
.minimal-text-block {
    max-width: 800px;
    margin: 0 auto;
}

.minimal-line {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.9);
}

.minimal-line:first-child {
    font-weight: 500;
    color: #ffffff;
}

/* ===== STRUCTURE BOX ===== */
.structure-box {
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 60px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.structure-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.structure-item {
    font-size: 18px;
    font-weight: 400;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
    padding-left: 32px;
    position: relative;
}

.structure-item::before {
    content: '✓';
    position: absolute;
    left: 0;
    font-weight: 700;
    color: #00d4ff;
}

/* ===== SPACING SYSTEM ===== */
.spacer-24 { height: 24px; }
.spacer-32 { height: 32px; }
.spacer-40 { height: 40px; }
.spacer-60 { height: 60px; }

/* ===== CTA BUTTONS ===== */
.cta-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.cta-row-centered {
    display: flex;
    justify-content: center;
}

.btn-outline {
    display: inline-block;
    padding: 18px 32px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    color: #ffffff;
    background: transparent;
    border: 1px solid #ffffff;
    border-radius: 40px;
    transition: all 0.3s ease;
    cursor: pointer;
    white-space: nowrap;
}

.btn-outline:hover {
    background: #ffffff;
    color: #000000;
}

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

/* Fade In Sequential (Hero) */
.fade-in-seq {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInSeq 0.8s ease forwards;
}

.fade-in-seq[data-delay="0"] { animation-delay: 0s; }
.fade-in-seq[data-delay="1"] { animation-delay: 0.2s; }
.fade-in-seq[data-delay="2"] { animation-delay: 0.4s; }
.fade-in-seq[data-delay="3"] { animation-delay: 0.6s; }

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

/* Fade Up (Sections) */
.fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delays for grid items */
.grid-item[data-delay="0"] { transition-delay: 0s; }
.grid-item[data-delay="1"] { transition-delay: 0.15s; }
.grid-item[data-delay="2"] { transition-delay: 0.3s; }
.grid-item[data-delay="3"] { transition-delay: 0.45s; }

.flow-step[data-delay="0"] { transition-delay: 0s; }
.flow-step[data-delay="1"] { transition-delay: 0.15s; }
.flow-step[data-delay="2"] { transition-delay: 0.3s; }
.flow-step[data-delay="3"] { transition-delay: 0.45s; }

.minimal-line[data-delay="0"] { transition-delay: 0s; }
.minimal-line[data-delay="1"] { transition-delay: 0.15s; }
.minimal-line[data-delay="2"] { transition-delay: 0.3s; }
.minimal-line[data-delay="3"] { transition-delay: 0.45s; }

.structure-item[data-delay="0"] { transition-delay: 0s; }
.structure-item[data-delay="1"] { transition-delay: 0.15s; }
.structure-item[data-delay="2"] { transition-delay: 0.3s; }
.structure-item[data-delay="3"] { transition-delay: 0.45s; }

/* ===== RESPONSIVE: TABLET (768px - 1199px) ===== */
@media (max-width: 1199px) {
    .container {
        padding: 0 32px;
    }
    
    .section {
        padding: 120px 0;
    }
    
    .section-hero,
    .section-individual,
    .section-final {
        padding: 160px 0;
    }
    
    .hero-title {
        font-size: 54px;
    }
    
    .section-title,
    .structure-title {
        font-size: 32px;
    }
    
    .section-title-centered {
        font-size: 36px;
    }
    
    .final-title {
        font-size: 48px;
    }
    
    .body-large,
    .body-stack p,
    .body-centered,
    .feature-item {
        font-size: 19px;
    }
    
    .minimal-line {
        font-size: 28px;
    }
    
    .grid-2x2 {
        gap: 40px;
    }
    
    .top-tag {
        right: 32px;
    }
    
    .structure-box {
        padding: 60px 40px;
    }
}

/* ===== RESPONSIVE: MOBILE (≤767px) ===== */
@media (max-width: 767px) {
    .container {
        padding: 0 24px;
    }
    
    .section {
        padding: 90px 0;
    }
    
    .section-hero,
    .section-individual,
    .section-final {
        padding: 120px 0;
    }
    
    .hero-title {
        font-size: 42px;
        letter-spacing: -0.005em;
    }
    
    .section-title,
    .structure-title {
        font-size: 26px;
    }
    
    .section-title-centered {
        font-size: 28px;
    }
    
    .final-title {
        font-size: 36px;
    }
    
    .body-large,
    .body-stack p,
    .body-centered,
    .feature-item {
        font-size: 18px;
    }
    
    .minimal-line {
        font-size: 24px;
    }
    
    .top-tag {
        font-size: 10px;
        top: 24px;
        right: 24px;
    }
    
    /* Stack grid vertically */
    .grid-2x2 {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .grid-item {
        padding: 32px 24px;
    }
    
    /* Stack flow diagram vertically */
    .flow-diagram {
        flex-direction: column;
        gap: 32px;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    /* Stack buttons vertically */
    .cta-row {
        flex-direction: column;
        gap: 16px;
    }
    
    .btn-outline {
        width: 100%;
        text-align: center;
        padding: 16px 24px;
    }
    
    /* Structure box */
    .structure-box {
        padding: 40px 24px;
    }
    
    /* Reduce spacers on mobile */
    .spacer-24 { height: 20px; }
    .spacer-32 { height: 24px; }
    .spacer-40 { height: 32px; }
    .spacer-60 { height: 40px; }
}

/* ===== FOOTER (MINIMAL) ===== */
.partners-footer {
    background: #000000;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 80px 48px;
}

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

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

.partners-footer a:hover {
    color: #ffffff;
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
    .fade-in-seq,
    .fade-up {
        animation: none;
        transition: none;
        opacity: 1;
        transform: none;
    }
}