/* ==========================================================================
   AD TUNE — Earnest
   Style: speee.jp-inspired minimal / bold typography / white + Earnest blue
   ========================================================================== */

:root {
    --color-primary: #0F3D6E;
    --color-primary-light: #1B4F7F;
    --color-accent: #5CE1E6;
    --color-accent-deep: #4FC3D9;
    --color-bg: #FFFFFF;
    --color-bg-gray: #F6F8FB;
    --color-bg-dark: #0A1929;
    --color-text: #0A1929;
    --color-text-light: #5A6B7D;
    --color-text-on-dark: #E8EEF5;
    --color-border: #E2E8F0;

    --font-jp: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Yu Gothic', sans-serif;
    --font-en: 'Inter', 'Helvetica Neue', Arial, sans-serif;

    --container: 1200px;
    --section-pad: 140px;
    --section-pad-mobile: 80px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-jp);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 32px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 40px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.05em;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
    line-height: 1;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 10px 30px -10px rgba(15, 61, 110, 0.5);
}

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 16px 40px -10px rgba(15, 61, 110, 0.6);
}

.btn-ghost {
    color: var(--color-text);
    border-color: var(--color-text);
    background: transparent;
}

.btn-ghost:hover {
    background: var(--color-text);
    color: #fff;
}

.btn-light {
    background: #fff;
    color: var(--color-primary);
}

.btn-light:hover {
    background: var(--color-accent);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-large {
    padding: 24px 56px;
    font-size: 17px;
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s;
}

.header.scrolled {
    border-bottom-color: var(--color-border);
    background: rgba(255, 255, 255, 0.95);
}

.header-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 18px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.logo img {
    height: 36px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav a {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    transition: color 0.2s;
}

.nav a:hover {
    color: var(--color-primary);
}

.nav-cta {
    background: var(--color-primary);
    color: #fff !important;
    padding: 10px 22px;
    border-radius: 999px;
    transition: all 0.2s;
}

.nav-cta:hover {
    background: var(--color-accent);
    color: var(--color-primary) !important;
}

.menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    padding: 8px;
    cursor: pointer;
}

.menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: 0.3s;
}

@media (max-width: 960px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        padding: 100px 32px 32px;
        gap: 24px;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        align-items: flex-start;
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    }
    .nav.open {
        right: 0;
    }
    .menu-btn {
        display: flex;
        z-index: 110;
    }
    .menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .menu-btn.open span:nth-child(2) { opacity: 0; }
    .menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    padding: 140px 0 100px;
    overflow: hidden;
    background: linear-gradient(180deg, #FFFFFF 0%, #F4FAFC 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    right: -10%;
    width: 70%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(92, 225, 230, 0.12) 0%, rgba(92, 225, 230, 0) 60%);
    pointer-events: none;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    border: 1px solid rgba(15, 61, 110, 0.05);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    border: 1px solid rgba(15, 61, 110, 0.08);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.hero-inner {
    position: relative;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 32px;
}

.hero-tag {
    display: inline-block;
    font-family: var(--font-en);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--color-primary);
    padding: 8px 18px;
    border: 1.5px solid var(--color-primary);
    border-radius: 999px;
    margin-bottom: 32px;
}

.hero-title {
    font-size: clamp(40px, 6vw, 84px);
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 32px;
    color: var(--color-text);
}

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

.hero-title-line.accent {
    color: var(--color-primary);
    position: relative;
    padding-bottom: 8px;
}

.hero-title-line.accent::after {
    content: '';
    display: block;
    width: 80px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 3px;
    margin-top: 12px;
}

.hero-lead {
    font-size: clamp(15px, 1.5vw, 18px);
    line-height: 1.9;
    color: var(--color-text-light);
    max-width: 640px;
    margin-bottom: 48px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 96px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    padding-top: 48px;
    border-top: 1px solid var(--color-border);
    max-width: 800px;
}

.stat {
    text-align: left;
}

.stat-num {
    font-family: var(--font-en);
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text-light);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-num-big {
    font-family: var(--font-jp);
    font-size: clamp(28px, 3vw, 36px);
    font-weight: 900;
    color: var(--color-primary);
    letter-spacing: -0.01em;
}

.stat-label {
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-light);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-top: 8px;
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-en);
    font-size: 10px;
    letter-spacing: 0.4em;
    color: var(--color-text-light);
    text-align: center;
    font-weight: 500;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--color-primary), transparent);
    margin: 12px auto 0;
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.5); opacity: 0.4; }
}

/* ==========================================================================
   Section base
   ========================================================================== */
.section {
    padding: var(--section-pad) 0;
    background: #fff;
}

.section-dark {
    background: var(--color-bg-dark);
    color: var(--color-text-on-dark);
}

.section-gray {
    background: var(--color-bg-gray);
}

.section-head {
    margin-bottom: 80px;
    max-width: 800px;
}

.section-head.light {
    color: var(--color-text-on-dark);
}

.section-num {
    font-family: var(--font-en);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.section-head.light .section-num {
    color: var(--color-accent);
}

.section-en {
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.4em;
    color: var(--color-text-light);
    margin-bottom: 24px;
    text-transform: uppercase;
}

.section-head.light .section-en {
    color: rgba(232, 238, 245, 0.5);
}

.section-title {
    font-size: clamp(32px, 4.5vw, 56px);
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin-bottom: 24px;
}

.section-head.light .section-title {
    color: #fff;
}

.section-sub {
    font-size: 17px;
    color: var(--color-text-light);
    line-height: 1.7;
}

.section-head.light .section-sub {
    color: rgba(232, 238, 245, 0.8);
}

/* ==========================================================================
   About
   ========================================================================== */
.about-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-lead p {
    font-size: 18px;
    line-height: 2.2;
    margin-bottom: 24px;
    color: var(--color-text);
}

.about-lead strong {
    font-weight: 700;
    color: var(--color-primary);
    border-bottom: 3px solid var(--color-accent);
    padding-bottom: 2px;
}

.factor-block {
    display: flex;
    justify-content: center;
    align-items: center;
}

.factor-circle {
    position: relative;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(92, 225, 230, 0.08) 0%, rgba(15, 61, 110, 0.04) 100%);
    border: 1px solid rgba(15, 61, 110, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
}

.factor-center {
    font-family: var(--font-en);
    font-size: 28px;
    font-weight: 900;
    color: var(--color-primary);
    text-align: center;
    line-height: 1;
    letter-spacing: 0.05em;
    background: #fff;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px -20px rgba(15, 61, 110, 0.3);
    border: 2px solid var(--color-primary);
}

.factor-orbit {
    position: absolute;
    inset: 0;
    animation: rotate 40s linear infinite;
}

@keyframes rotate {
    to { transform: rotate(360deg); }
}

.factor-dot {
    position: absolute;
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 700;
    color: var(--color-primary);
    background: #fff;
    border: 1.5px solid var(--color-primary);
    border-radius: 50%;
    width: 72px;
    height: 72px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.1;
    box-shadow: 0 8px 24px -8px rgba(15, 61, 110, 0.2);
    animation: counter-rotate 40s linear infinite;
    animation-delay: inherit;
}

.factor-dot span {
    font-size: 9px;
    font-weight: 500;
    color: var(--color-text-light);
    margin-top: 2px;
}

.factor-dot:nth-child(1) { top: 8%; left: 50%; transform: translateX(-50%); }
.factor-dot:nth-child(2) { top: 32%; right: 6%; }
.factor-dot:nth-child(3) { bottom: 18%; right: 12%; }
.factor-dot:nth-child(4) { bottom: 18%; left: 12%; }
.factor-dot:nth-child(5) { top: 32%; left: 6%; }

@keyframes counter-rotate {
    to { transform: rotate(-360deg); }
}

/* ==========================================================================
   Features
   ========================================================================== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 48px 32px;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-4px);
    border-color: var(--color-accent);
}

.feature-no {
    font-family: var(--font-en);
    font-size: 14px;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0.2em;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 26px;
    font-weight: 900;
    color: #fff;
    line-height: 1.25;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.feature-card p {
    font-size: 15px;
    color: rgba(232, 238, 245, 0.7);
    line-height: 1.8;
}

.feature-cta {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-deep));
    border: none;
    color: var(--color-primary);
    padding: 48px 32px;
    border-radius: 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 24px;
}

.feature-cta p {
    font-size: 22px;
    font-weight: 900;
    line-height: 1.4;
    color: var(--color-primary);
}

/* ==========================================================================
   Display
   ========================================================================== */
.display-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.display-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.3s;
}

.display-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 30px 60px -20px rgba(15, 61, 110, 0.15);
    border-color: var(--color-primary);
}

.display-mock {
    background: linear-gradient(135deg, #F4FAFC 0%, #E5F4F7 100%);
    padding: 60px 32px;
    display: flex;
    justify-content: center;
}

.phone-mock {
    width: 160px;
    height: 280px;
    background: #1a1a1a;
    border-radius: 24px;
    padding: 12px;
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.3);
    position: relative;
}

.phone-mock::before {
    content: '';
    position: absolute;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 4px;
    background: #444;
    border-radius: 2px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #fff;
    border-radius: 16px;
    padding: 24px 12px 12px;
    overflow: hidden;
    position: relative;
}

.ad-banner {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 6px 10px;
    border-radius: 6px;
    text-align: center;
    margin-bottom: 8px;
}

.ad-banner-text {
    font-size: 8px;
    color: var(--color-text-light);
    text-align: center;
    margin-top: 6px;
}

.ad-popup {
    position: absolute;
    bottom: 16px;
    left: 8px;
    right: 8px;
    background: var(--color-accent);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 900;
    padding: 16px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(92, 225, 230, 0.4);
}

.ad-push {
    background: #f5f5f5;
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 9px;
    font-weight: 700;
    margin-bottom: 4px;
}

.ad-push-body {
    font-size: 8px;
    color: var(--color-text-light);
    padding: 0 10px;
}

.display-info {
    padding: 32px;
}

.display-tag {
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.3em;
    margin-bottom: 16px;
}

.display-info h3 {
    font-size: 24px;
    font-weight: 900;
    color: var(--color-text);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.display-info p {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ==========================================================================
   Menu
   ========================================================================== */
.menu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.menu-card {
    background: #fff;
    padding: 56px 48px;
    border-radius: 24px;
    border: 2px solid transparent;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.menu-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-primary);
}

.menu-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 20px 50px -20px rgba(15, 61, 110, 0.15);
}

.menu-no {
    font-family: var(--font-en);
    font-size: 48px;
    font-weight: 900;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 16px;
}

.menu-type {
    font-family: var(--font-en);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.menu-name {
    font-size: 32px;
    font-weight: 900;
    color: var(--color-text);
    margin-bottom: 24px;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.menu-divider {
    width: 60px;
    height: 3px;
    background: var(--color-primary);
    margin-bottom: 24px;
}

.menu-desc {
    font-size: 18px;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 32px;
    font-weight: 500;
}

.menu-points {
    list-style: none;
}

.menu-points li {
    padding: 12px 0 12px 28px;
    position: relative;
    font-size: 15px;
    color: var(--color-text-light);
    border-top: 1px solid var(--color-border);
}

.menu-points li:last-child {
    border-bottom: 1px solid var(--color-border);
}

.menu-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: var(--color-accent);
    border-radius: 50%;
    background-image: linear-gradient(135deg, var(--color-accent), var(--color-accent-deep));
}

.menu-points li::after {
    content: '';
    position: absolute;
    left: 4px;
    top: calc(50% - 2px);
    transform: translateY(-50%) rotate(45deg);
    width: 6px;
    height: 10px;
    border: solid var(--color-primary);
    border-width: 0 2px 2px 0;
}

.menu-note {
    text-align: center;
    margin-top: 32px;
    font-size: 14px;
    color: var(--color-text-light);
    font-weight: 500;
}

/* ==========================================================================
   Flow
   ========================================================================== */
.flow-timeline {
    display: grid;
    grid-template-columns: 1fr 60px 1fr 60px 1fr 60px 1fr;
    gap: 16px;
    align-items: center;
    margin-bottom: 80px;
}

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

.flow-no {
    font-family: var(--font-en);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.flow-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, rgba(92, 225, 230, 0.1), rgba(15, 61, 110, 0.05));
    border: 1.5px solid var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.flow-icon svg {
    width: 44px;
    height: 44px;
}

.flow-step h3 {
    font-size: 19px;
    font-weight: 900;
    color: var(--color-text);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.flow-step p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.7;
}

.flow-line {
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
    position: relative;
}

.flow-line::after {
    content: '';
    position: absolute;
    right: -1px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
}

.flow-badge {
    background: var(--color-bg-dark);
    color: #fff;
    padding: 48px 56px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    gap: 40px;
    max-width: 720px;
    margin: 0 auto;
}

.flow-badge-inner {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-shrink: 0;
}

.flow-badge-label {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.7);
    letter-spacing: 0.2em;
}

.flow-badge-num {
    font-family: var(--font-en);
    font-size: 88px;
    font-weight: 900;
    color: var(--color-accent);
    line-height: 1;
}

.flow-badge-unit {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-accent);
}

.flow-badge p {
    font-size: 15px;
    color: rgba(255,255,255,0.85);
    line-height: 1.8;
    flex: 1;
}

/* ==========================================================================
   Results
   ========================================================================== */
.results-table {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
}

.results-row {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    padding: 24px 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    align-items: center;
    transition: background 0.2s;
}

.results-row:hover:not(.results-head) {
    background: rgba(92, 225, 230, 0.05);
}

.results-row:last-child {
    border-bottom: none;
}

.results-head {
    background: rgba(15, 61, 110, 0.3);
    font-family: var(--font-en);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--color-accent);
}

.results-row > div:first-child {
    font-size: 17px;
    font-weight: 500;
    color: #fff;
}

.results-row .num {
    font-family: var(--font-en);
    font-size: 28px;
    font-weight: 900;
    color: var(--color-accent);
    letter-spacing: -0.01em;
}

.results-row .unit {
    font-size: 14px;
    font-weight: 500;
    color: rgba(232, 238, 245, 0.7);
    margin-left: 6px;
}

.results-note {
    text-align: center;
    margin-top: 40px;
    font-size: 13px;
    color: rgba(232, 238, 245, 0.5);
    line-height: 1.8;
}

/* ==========================================================================
   Network
   ========================================================================== */
.network-lead {
    text-align: center;
    font-size: 22px;
    line-height: 2;
    margin-bottom: 80px;
    color: var(--color-text);
}

.network-lead strong {
    font-weight: 900;
    color: var(--color-primary);
    border-bottom: 3px solid var(--color-accent);
    padding-bottom: 2px;
}

.network-flow {
    display: grid;
    grid-template-columns: 1fr 80px 1fr 80px 1fr;
    gap: 24px;
    align-items: center;
}

.network-node {
    background: #fff;
    border: 2px solid var(--color-border);
    border-radius: 24px;
    padding: 40px 32px;
    text-align: center;
    transition: all 0.3s;
}

.network-node:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 20px 50px -20px rgba(15, 61, 110, 0.15);
}

.network-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-deep));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.network-icon svg {
    width: 40px;
    height: 40px;
}

.network-node h4 {
    font-size: 18px;
    font-weight: 900;
    color: var(--color-text);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.network-node p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.7;
}

.network-node p span {
    display: inline-block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--color-primary);
    font-weight: 700;
}

.network-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.network-arrow svg {
    width: 60px;
    height: 24px;
}

/* ==========================================================================
   Contact
   ========================================================================== */
.section-contact {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-bg-dark) 100%);
    color: #fff;
}

.section-contact .section-head {
    color: #fff;
}

.contact-block {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-info {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 48px 56px;
    margin-bottom: 48px;
    text-align: left;
}

.contact-row {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 24px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.contact-row:last-child {
    border-bottom: none;
}

.contact-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    align-self: center;
}

.contact-value {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    align-self: center;
}

.contact-value a {
    color: #fff;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.4);
    transition: all 0.2s;
}

.contact-value a:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.6);
    padding: 48px 0;
    font-size: 13px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 16px;
}

.footer-logo img {
    height: 32px;
    filter: brightness(0) invert(1);
}

.footer-logo p {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
}

/* ==========================================================================
   Reveal Animation
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 960px) {
    :root {
        --section-pad: 100px;
    }
    .about-block {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .feature-grid {
        grid-template-columns: 1fr;
    }
    .display-grid {
        grid-template-columns: 1fr;
    }
    .menu-grid {
        grid-template-columns: 1fr;
    }
    .flow-timeline {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .flow-line {
        display: none;
    }
    .flow-badge {
        flex-direction: column;
        gap: 24px;
        text-align: center;
        padding: 40px 32px;
    }
    .network-flow {
        grid-template-columns: 1fr;
    }
    .network-arrow {
        transform: rotate(90deg);
    }
    .results-row {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 20px 24px;
    }
    .results-head {
        display: none;
    }
    .contact-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .contact-label {
        font-size: 11px;
    }
    .factor-circle {
        width: 320px;
        height: 320px;
    }
    .factor-center {
        width: 120px;
        height: 120px;
        font-size: 22px;
    }
    .factor-dot {
        width: 60px;
        height: 60px;
        font-size: 9px;
    }
}

@media (max-width: 600px) {
    :root {
        --section-pad: 80px;
    }
    .container {
        padding: 0 24px;
    }
    .hero {
        padding: 120px 0 80px;
    }
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    .footer-inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}