@import url('./theme.css');

/* 前驅物鋼瓶服務頁樣式 */
:root {
            --primary-dark: #07111f;
            --bg-section: #101b2b;
            --bg-card: #142235;
            --accent-cyan: #00d4ff;
            --accent-cyan-soft: rgba(0, 212, 255, 0.16);
            --accent-gold: #ffb800;
            --text-main: #eef6ff;
            --text-muted: #aab8c9;
            --line: rgba(0, 212, 255, 0.18);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: 'Noto Sans TC', 'Poppins', sans-serif;
            background:
                radial-gradient(circle at 78% 8%, rgba(0, 212, 255, 0.2), transparent 30%),
                radial-gradient(circle at 16% 18%, rgba(255, 184, 0, 0.11), transparent 24%),
                linear-gradient(180deg, #07111f 0%, #0b1524 48%, #07111f 100%);
            color: var(--text-main);
        }

        a {
            color: inherit;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 20;
            background: rgba(7, 17, 31, 0.82);
            border-bottom: 1px solid rgba(0, 212, 255, 0.12);
            backdrop-filter: blur(16px);
        }

        .site-nav {
            max-width: 1180px;
            margin: 0 auto;
            padding: 1rem clamp(1rem, 3vw, 1.5rem);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .site-nav img {
            width: 186px;
            max-width: 48vw;
            height: auto;
            display: block;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: clamp(0.9rem, 2vw, 1.8rem);
            color: rgba(238, 246, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 700;
        }

        .nav-links a {
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: var(--accent-cyan);
        }

        main {
            max-width: 1180px;
            margin: 0 auto;
            padding: clamp(2rem, 5vw, 4.5rem) clamp(1rem, 3vw, 1.5rem) 5rem;
        }

        .hero {
            display: grid;
            grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
            gap: clamp(2rem, 5vw, 4rem);
            align-items: center;
            min-height: min(760px, calc(100vh - 78px));
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.45rem 0.85rem;
            border: 1px solid rgba(0, 212, 255, 0.42);
            border-radius: 999px;
            color: var(--accent-cyan);
            background: rgba(0, 212, 255, 0.08);
            font-size: 0.82rem;
            font-weight: 900;
            letter-spacing: 0.12em;
        }

        h1 {
            margin: 1.1rem 0 0.75rem;
            color: #fff;
            font-size: clamp(2.2rem, 5.2vw, 4.5rem);
            line-height: 1.08;
            letter-spacing: 0;
        }

        .subtitle {
            margin: 0 0 1.4rem;
            color: var(--accent-cyan);
            font-family: 'Poppins', 'Noto Sans TC', sans-serif;
            font-size: clamp(1rem, 2.1vw, 1.35rem);
            font-weight: 800;
        }

        .lead {
            max-width: 760px;
            margin: 0;
            color: rgba(238, 246, 255, 0.78);
            font-size: clamp(1rem, 1.55vw, 1.13rem);
            line-height: 2;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-top: 1.8rem;
        }

        .button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 46px;
            padding: 0.78rem 1.2rem;
            border-radius: 999px;
            border: 1px solid rgba(0, 212, 255, 0.36);
            text-decoration: none;
            font-weight: 900;
            color: #06101c;
            background: linear-gradient(135deg, var(--accent-cyan), #8cecff);
            box-shadow: 0 0 24px rgba(0, 212, 255, 0.22);
        }

        .button.secondary {
            color: var(--text-main);
            background: rgba(10, 25, 42, 0.62);
        }

        .system-visual {
            position: relative;
            min-height: 420px;
            border: 1px solid rgba(0, 212, 255, 0.24);
            border-radius: 26px;
            overflow: hidden;
            background:
                linear-gradient(135deg, rgba(0, 212, 255, 0.12), transparent 42%),
                radial-gradient(circle at 70% 20%, rgba(255, 184, 0, 0.2), transparent 26%),
                linear-gradient(155deg, rgba(20, 34, 53, 0.94), rgba(7, 17, 31, 0.96));
            box-shadow: 0 24px 70px rgba(0, 0, 0, 0.34), inset 0 0 80px rgba(0, 212, 255, 0.08);
        }

        .system-visual::before {
            content: '';
            position: absolute;
            inset: 10%;
            border: 1px solid rgba(0, 212, 255, 0.18);
            border-radius: 28px;
            transform: perspective(680px) rotateX(58deg) rotateZ(-18deg);
            box-shadow: 0 0 45px rgba(0, 212, 255, 0.16);
        }

        .system-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 34px 34px;
            mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 82%);
        }

        .visual-card {
            position: absolute;
            left: 8%;
            right: 8%;
            bottom: 8%;
            padding: 1.3rem;
            border: 1px solid rgba(0, 212, 255, 0.22);
            border-radius: 20px;
            background: rgba(6, 16, 28, 0.78);
            backdrop-filter: blur(8px);
        }

        .visual-card h2 {
            margin: 0 0 0.6rem;
            color: #fff;
            font-size: clamp(1.35rem, 2.6vw, 2rem);
        }

        .visual-card p {
            margin: 0;
            color: var(--text-muted);
            line-height: 1.75;
        }

        .signal-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.55rem;
            margin-top: 1rem;
        }

        .signal-tags span {
            padding: 0.42rem 0.65rem;
            border: 1px solid rgba(0, 212, 255, 0.24);
            border-radius: 999px;
            color: rgba(238, 246, 255, 0.86);
            background: rgba(0, 212, 255, 0.08);
            font-size: 0.82rem;
            font-weight: 800;
        }

        section {
            margin-top: clamp(3rem, 7vw, 5rem);
        }

        .section-head {
            max-width: 760px;
            margin-bottom: 1.35rem;
        }

        .section-kicker {
            color: var(--accent-cyan);
            font-weight: 900;
            letter-spacing: 0.08em;
            font-size: 0.9rem;
        }

        h2 {
            margin: 0.45rem 0 0.65rem;
            color: #fff;
            font-size: clamp(1.7rem, 3vw, 2.55rem);
            line-height: 1.25;
        }

        .section-head p {
            margin: 0;
            color: var(--text-muted);
            line-height: 1.9;
        }

        .grid {
            display: grid;
            gap: 1rem;
        }

        .grid.two {
            grid-template-columns: repeat(2, minmax(0, 1fr));
        }

        .grid.three {
            grid-template-columns: repeat(3, minmax(0, 1fr));
        }

        .info-card {
            padding: 1.35rem;
            border: 1px solid var(--line);
            border-radius: 18px;
            background: linear-gradient(145deg, rgba(20, 34, 53, 0.92), rgba(10, 23, 38, 0.92));
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
        }

        .info-card strong,
        .info-card h3 {
            display: block;
            margin: 0 0 0.55rem;
            color: #fff;
            font-size: 1.08rem;
        }

        .info-card p,
        .info-card li {
            color: var(--text-muted);
            line-height: 1.8;
        }

        .info-card p {
            margin: 0;
        }

        .info-card ul {
            margin: 0.4rem 0 0;
            padding-left: 1.15rem;
        }

        .accent {
            color: var(--accent-cyan);
            font-weight: 900;
        }

        .tag-list {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 0.8rem;
        }

        .tag-list span {
            display: flex;
            align-items: center;
            min-height: 58px;
            padding: 0.75rem 0.9rem;
            border: 1px solid rgba(0, 212, 255, 0.2);
            border-radius: 14px;
            color: rgba(238, 246, 255, 0.88);
            background: rgba(20, 34, 53, 0.76);
            font-weight: 800;
        }

        .process-list {
            display: grid;
            gap: 0.9rem;
            counter-reset: process;
        }

        .process-step {
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 1rem;
            align-items: start;
            padding: 1.15rem;
            border: 1px solid var(--line);
            border-radius: 18px;
            background: rgba(20, 34, 53, 0.72);
        }

        .process-step::before {
            counter-increment: process;
            content: counter(process, decimal-leading-zero);
            display: grid;
            place-items: center;
            width: 46px;
            height: 46px;
            border: 1px solid rgba(0, 212, 255, 0.38);
            border-radius: 999px;
            color: var(--accent-cyan);
            font-family: 'Poppins', sans-serif;
            font-weight: 900;
            background: rgba(0, 212, 255, 0.08);
        }

        .process-step h3 {
            margin: 0 0 0.35rem;
            color: #fff;
        }

        .process-step p {
            margin: 0;
            color: var(--text-muted);
            line-height: 1.75;
        }

        details {
            border: 1px solid var(--line);
            border-radius: 16px;
            background: rgba(20, 34, 53, 0.72);
            overflow: hidden;
        }

        details + details {
            margin-top: 0.8rem;
        }

        summary {
            cursor: pointer;
            padding: 1rem 1.15rem;
            color: #fff;
            font-weight: 900;
        }

        details p {
            margin: 0;
            padding: 0 1.15rem 1rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .cta-band {
            padding: clamp(1.5rem, 4vw, 2.4rem);
            border: 1px solid rgba(0, 212, 255, 0.3);
            border-radius: 24px;
            background:
                linear-gradient(135deg, rgba(0, 212, 255, 0.16), transparent 44%),
                rgba(20, 34, 53, 0.82);
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 1.25rem;
            align-items: center;
        }

        .cta-band h2 {
            margin-top: 0;
        }

        .cta-band p {
            margin: 0;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .site-footer {
            border-top: 1px solid rgba(0, 212, 255, 0.12);
            padding: 1.8rem 1rem;
            color: rgba(238, 246, 255, 0.6);
            text-align: center;
            font-size: 0.92rem;
        }

        @media (max-width: 980px) {
            .hero {
                grid-template-columns: 1fr;
                min-height: auto;
            }

            .system-visual {
                min-height: 360px;
            }

            .grid.three,
            .tag-list {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
        }

        @media (max-width: 640px) {
            .site-nav {
                align-items: flex-start;
                flex-direction: column;
            }

            .nav-links {
                width: 100%;
                justify-content: space-between;
                gap: 0.65rem;
                font-size: 0.85rem;
            }

            main {
                padding-top: 2rem;
            }

            h1 {
                font-size: clamp(2rem, 11vw, 3rem);
            }

            .grid.two,
            .grid.three,
            .tag-list {
                grid-template-columns: 1fr;
            }

            .system-visual {
                min-height: 320px;
                border-radius: 20px;
            }

            .visual-card {
                left: 5%;
                right: 5%;
                bottom: 5%;
            }

            .process-step {
                grid-template-columns: 1fr;
            }

            .cta-band {
                grid-template-columns: 1fr;
            }

            .hero-actions {
                flex-direction: column;
            }

            .button {
                width: 100%;
            }
        }