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

        :root {
            --navy: #1D3557;
            --emerald: #2A9D8F;
            --slate: #4A4A4A;
            --light-bg: #F4F4F9;
            --white: #FFFFFF;
            --border: #E8E8EE;
        }

        body {
            font-family: 'Inter', sans-serif;
            background: var(--light-bg);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: 'Plus Jakarta Sans', sans-serif;
            color: var(--navy);
            font-weight: 800;
        }

        .navbar {
            background: var(--white);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            padding: 15px 0;
        }

        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--navy) 0%, var(--emerald) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-section {
            background: linear-gradient(135deg, var(--navy) 0%, #2d4a73 100%);
            color: var(--white);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -150px;
            right: -100px;
            width: 700px;
            height: 700px;
            background: rgba(42, 157, 143, 0.12);
            border-radius: 50%;
        }

        .hero-section h1 {
            color: var(--white);
            font-size: 3rem;
            margin-bottom: 20px;
        }

        .hero-section p {
            font-size: 1.1rem;
            opacity: 0.9;
        }

        .flow-section {
            position: relative;
            overflow: hidden;
            padding: 72px 0;
            background:
                radial-gradient(circle at 92% 0%, rgba(42, 157, 143, 0.12) 0 120px, transparent 121px),
                radial-gradient(circle at 4% 100%, rgba(42, 157, 143, 0.12) 0 120px, transparent 121px),
                var(--white);
            z-index: 2;
        }

        .flow-section::before,
        .flow-section::after {
            content: '';
            position: absolute;
            width: 120px;
            height: 76px;
            opacity: 0.42;
            background-image: radial-gradient(circle, rgba(42, 157, 143, 0.45) 2px, transparent 3px);
            background-size: 18px 18px;
            pointer-events: none;
        }

        .flow-section::before {
            top: 42px;
            left: 44px;
        }

        .flow-section::after {
            right: 76px;
            bottom: 62px;
        }

        .section-title {
            text-align: center;
            margin-bottom: 70px;
        }

        .section-title h2 {
            font-size: 2.8rem;
            margin-bottom: 15px;
        }

        .section-title p {
            font-size: 1.1rem;
            color: var(--slate);
        }

        .flow-header {
            max-width: 660px;
            margin: 0 auto 46px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .flow-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            margin-bottom: 16px;
            border-radius: 999px;
            background: rgba(42, 157, 143, 0.12);
            color: #128b82;
            text-transform: uppercase;
            font-size: 0.78rem;
            font-weight: 800;
        }

        .flow-kicker i {
            font-size: 1.05rem;
        }

        .flow-header h2 {
            font-size: clamp(2rem, 3.7vw, 3.2rem);
            letter-spacing: 0;
            line-height: 1.05;
            margin-bottom: 12px;
        }

        .flow-header h2 span {
            color: var(--emerald);
        }

        .flow-header p {
            color: var(--slate);
            font-size: 0.98rem;
        }

        .flow-container {
            position: relative;
            z-index: 1;
        }

        .flow-timeline {
            display: grid;
            grid-template-columns: repeat(8, minmax(90px, 1fr));
            gap: 14px;
            position: relative;
        }

        .flow-timeline::before {
            content: '';
            position: absolute;
            top: 31px;
            left: 6%;
            right: 6%;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--emerald) 8%, var(--emerald) 92%, transparent);
        }

        .flow-step {
            position: relative;
            display: grid;
            justify-items: center;
            text-align: center;
            min-width: 0;
            padding-bottom: 16px;
        }

        .flow-step::before,
        .flow-step::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            background: var(--emerald);
        }

        .flow-step::before {
            top: 84px;
            width: 3px;
            height: 16px;
            border-radius: 999px;
            background: repeating-linear-gradient(
                to bottom,
                var(--emerald) 0,
                var(--emerald) 4px,
                transparent 4px,
                transparent 10px
            );
        }

        .flow-step::after {
            top: auto;
            bottom: 0;
            width: 48px;
            height: 3px;
            border-radius: 999px;
        }

        .step-circle {
            width: 62px;
            height: 62px;
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 6px solid rgba(42, 157, 143, 0.14);
            border-radius: 50%;
            background: radial-gradient(circle at 35% 28%, #21b4a7 0%, #098d82 70%);
            color: var(--white);
            box-shadow: 0 10px 22px rgba(42, 157, 143, 0.14);
            font-size: 1.35rem;
            font-weight: 900;
            line-height: 1;
        }

        .flow-step:nth-child(6) .step-circle {
            width: 72px;
            height: 72px;
            margin-top: -5px;
            box-shadow: 0 12px 26px rgba(42, 157, 143, 0.2);
        }

        .step-icon {
            width: 62px;
            height: 62px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 40px;
            margin-bottom: 16px;
            border-radius: 50%;
            background: rgba(42, 157, 143, 0.12);
            color: #128b82;
            font-size: 1.75rem;
        }

        .step-title {
            color: var(--navy);
            font-size: 0.86rem;
            font-weight: 900;
            min-height: 36px;
            display: flex;
            align-items: flex-start;
            justify-content: center;
            line-height: 1.25;
        }

        .step-description {
            max-width: 122px;
            color: var(--slate);
            font-size: 0.78rem;
            line-height: 1.42;
            min-height: 54px;
            margin-top: 8px;
        }

        .flow-action {
            position: relative;
            z-index: 1;
            text-align: center;
            margin-top: 46px;
        }

        .flow-guide-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            min-width: min(100%, 360px);
            padding: 15px 28px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--emerald) 0%, #078c80 100%);
            color: var(--white);
            font-size: 1.02rem;
            font-weight: 900;
            text-decoration: none;
            box-shadow: 0 18px 36px rgba(42, 157, 143, 0.22);
            transition: all 0.3s ease;
        }

        .flow-guide-btn:hover {
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 22px 42px rgba(42, 157, 143, 0.28);
        }

        /* ============ DETAILED STEPS ============ */
        .detailed-steps {
            margin-top: 80px;
        }

        .step-card {
            background: var(--white);
            border: 2px solid var(--border);
            border-radius: 12px;
            padding: 40px;
            margin-bottom: 25px;
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .step-card::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            width: 5px;
            height: 100%;
            background: linear-gradient(180deg, var(--emerald) 0%, var(--navy) 100%);
        }

        .step-card:hover {
            border-color: var(--emerald);
            box-shadow: 0 15px 40px rgba(42, 157, 143, 0.12);
        }

        .step-header {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 20px;
        }

        .step-number-badge {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--navy) 0%, var(--emerald) 100%);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 900;
            flex-shrink: 0;
        }

        .step-header-content h3 {
            margin-bottom: 5px;
            font-size: 1.3rem;
        }

        .step-header-content p {
            color: var(--slate);
            font-size: 0.9rem;
            margin: 0;
        }

        .step-content {
            padding-left: 80px;
        }

        .step-content p {
            color: var(--slate);
            line-height: 1.8;
            margin-bottom: 15px;
        }

        .requirements-list {
            background: var(--light-bg);
            padding: 20px;
            border-radius: 8px;
            margin: 20px 0;
        }

        .requirements-list h5 {
            color: var(--navy);
            font-weight: 800;
            margin-bottom: 15px;
        }

        .requirements-list ul {
            list-style: none;
        }

        .requirements-list li {
            color: var(--slate);
            margin: 10px 0;
            padding-left: 25px;
            position: relative;
        }

        .requirements-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--emerald);
            font-weight: 900;
            font-size: 1.1rem;
        }

        .actor-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--emerald) 0%, #228974 100%);
            color: var(--white);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-top: 10px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .actor-badge.admin {
            background: linear-gradient(135deg, var(--navy) 0%, #2d4a73 100%);
        }

        .actor-badge.user {
            background: linear-gradient(135deg, var(--emerald) 0%, #228974 100%);
        }

        .actor-badge.system {
            background: linear-gradient(135deg, #FF6B35 0%, #FF8C42 100%);
        }

        .flow-arrows {
            text-align: center;
            margin: 30px 0;
            font-size: 1.5rem;
            color: var(--emerald);
            font-weight: 900;
        }

        .timeline-visual {
            position: relative;
            padding: 40px 0;
        }

        .timeline-line {
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--emerald) 0%, var(--navy) 100%);
        }

        .timeline-item {
            margin-bottom: 40px;
            position: relative;
        }

        .timeline-item:nth-child(odd) {
            margin-left: 0;
            margin-right: 50%;
            text-align: right;
            padding-right: 40px;
        }

        .timeline-item:nth-child(even) {
            margin-left: 50%;
            margin-right: 0;
            text-align: left;
            padding-left: 40px;
        }

        .timeline-dot {
            position: absolute;
            width: 20px;
            height: 20px;
            background: var(--white);
            border: 4px solid var(--emerald);
            border-radius: 50%;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
        }

        .timeline-content {
            background: var(--white);
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            border-left: 3px solid var(--emerald);
        }

        .timeline-content h4 {
            margin-bottom: 10px;
            color: var(--navy);
            font-weight: 800;
        }

        .timeline-content p {
            color: var(--slate);
            font-size: 0.9rem;
            margin-bottom: 10px;
        }

        .btn-section {
            text-align: center;
            margin-top: 50px;
        }

        .btn-primary-custom {
            background: linear-gradient(135deg, var(--emerald) 0%, #228974 100%);
            color: var(--white);
            padding: 15px 50px;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(42, 157, 143, 0.3);
        }

        .info-box {
            background: linear-gradient(135deg, rgba(42, 157, 143, 0.1) 0%, rgba(29, 53, 87, 0.05) 100%);
            border-left: 4px solid var(--emerald);
            padding: 25px;
            border-radius: 8px;
            margin: 30px 0;
        }

        .info-box h5 {
            color: var(--navy);
            margin-bottom: 10px;
            font-weight: 800;
        }

        .info-box p {
            color: var(--slate);
            margin: 0;
            line-height: 1.6;
        }

        footer {
            background: var(--navy);
            color: var(--white);
            padding: 40px 0 20px;
            text-align: center;
        }

        footer p {
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
        }

        @media (max-width: 768px) {
            .flow-timeline {
                counter-reset: mobile-flow-step;
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .flow-timeline::before {
                display: none;
            }

            .flow-section {
                padding: 70px 0;
            }

            .flow-section::before,
            .flow-section::after {
                width: 82px;
                height: 56px;
                background-size: 15px 15px;
            }

            .flow-section::before {
                top: 24px;
                left: 18px;
            }

            .flow-section::after {
                right: 18px;
                bottom: 28px;
            }

            .flow-header {
                margin-bottom: 44px;
            }

            .flow-kicker {
                font-size: 0.72rem;
                padding: 8px 14px;
            }

            .flow-step {
                counter-increment: mobile-flow-step;
                grid-template-columns: 68px minmax(0, 1fr);
                column-gap: 18px;
                justify-items: start;
                align-items: center;
                text-align: left;
                padding-bottom: 24px;
                position: relative;
            }

            .flow-step::before,
            .flow-step::after {
                display: none;
            }

            .step-circle {
                display: none;
            }

            .flow-step:nth-child(6) .step-circle {
                display: none;
            }

            .step-icon {
                width: 68px;
                height: 68px;
                margin: 0;
                grid-row: 1 / span 2;
                font-size: 1.9rem;
                position: relative;
                z-index: 5;
            }

            .step-icon::after {
                display: none;
            }

            .step-title {
                min-height: 0;
                font-size: 0.95rem;
                display: flex;
                gap: 8px;
                justify-content: flex-start;
                align-items: flex-end;
                align-self: end;
                line-height: 1.25;
                margin-bottom: 3px;
            }

            .step-title::before {
                content: counter(mobile-flow-step) ".";
                color: var(--emerald);
                font-weight: 900;
            }

            .step-description {
                max-width: none;
                min-height: 0;
                font-size: 0.84rem;
                line-height: 1.35;
                margin-top: 0;
                align-self: start;
            }

            .flow-action {
                margin-top: 42px;
            }

            .flow-guide-btn {
                min-width: 0;
                width: 100%;
                padding: 17px 20px;
                font-size: 1rem;
            }

            .timeline-item:nth-child(odd),
            .timeline-item:nth-child(even) {
                margin-left: 0;
                margin-right: 0;
                text-align: left;
                padding-left: 100px;
            }

            .step-content {
                padding-left: 0;
            }

            .hero-section h1 {
                font-size: 2rem;
            }
        }