/* roulang page: index */
:root {
            --orange: #FF5A1F;
            --graphite: #1E1E1E;
            --mist: #F4F6F9;
            --white: #FFFFFF;
            --mint: #00C896;
            --coral: #FF7A50;
            --body-text: #4B4B4B;
            --muted: #7A7A7A;
            --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --card-shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.12);
            --transition-fast: 200ms ease;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --card-padding: 24px;
            --grid-gap: 30px;
            --radius-card: 12px;
            --radius-pill: 30px;
            --radius-input: 8px;
            --radius-img: 16px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            font-size: 16px;
            line-height: 1.6;
            color: #4B4B4B;
            background-color: #F4F6F9;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--orange);
            outline-offset: 2px;
            border-radius: 4px;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: 1rem;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ NAVIGATION ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            height: 64px;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--graphite);
            letter-spacing: -0.3px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #3A3A3A;
            border-radius: 20px;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--orange);
            background: rgba(255, 90, 31, 0.05);
        }

        .nav-links li a.nav-cta {
            background: var(--orange);
            color: #fff;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            box-shadow: 0 2px 8px rgba(255, 90, 31, 0.25);
        }

        .nav-links li a.nav-cta:hover {
            background: #E84D0F;
            box-shadow: 0 4px 16px rgba(255, 90, 31, 0.4);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            background: none;
            border: none;
            z-index: 1001;
            width: 40px;
            height: 32px;
            justify-content: center;
            align-items: center;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--graphite);
            border-radius: 2px;
            transition: all 0.3s ease;
            transform-origin: center;
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 16px;
            padding: 40px;
        }

        .mobile-menu.active {
            display: flex;
        }

        .mobile-menu a {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--graphite);
            padding: 12px 24px;
            border-radius: 28px;
            transition: all var(--transition-fast);
            display: block;
            text-align: center;
            width: 100%;
            max-width: 280px;
            border-left: 3px solid transparent;
        }

        .mobile-menu a:hover,
        .mobile-menu a:active {
            color: var(--orange);
            border-left-color: var(--orange);
            background: rgba(255, 90, 31, 0.04);
        }

        .mobile-menu a.mobile-nav-cta {
            background: var(--orange);
            color: #fff;
            border-left-color: transparent;
            margin-top: 8px;
        }
        .mobile-menu a.mobile-nav-cta:hover {
            background: #E84D0F;
            color: #fff;
            border-left-color: transparent;
        }

        /* ============ HERO ============ */
        .hero-section {
            padding-top: 120px;
            padding-bottom: 60px;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: var(--white);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .hero-text {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-text h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.5px;
            color: var(--graphite);
            margin: 0;
            position: relative;
        }

        .hero-text h1::after {
            content: '';
            display: block;
            width: 0;
            height: 4px;
            background: var(--orange);
            border-radius: 2px;
            margin-top: 8px;
            animation: underline-expand 0.8s ease forwards;
            animation-delay: 0.3s;
        }

        @keyframes underline-expand {
            to {
                width: 60px;
            }
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
            max-width: 440px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .btn-primary {
            background: var(--orange);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 90, 31, 0.3);
            border: 2px solid var(--orange);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #FF5A1F 0%, #FF7A50 100%);
            box-shadow: 0 8px 24px rgba(255, 90, 31, 0.4);
            transform: translateY(-2px) scale(1.02);
        }
        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 2px 8px rgba(255, 90, 31, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--graphite);
            border: 2px solid #D1D5DB;
        }
        .btn-outline:hover {
            border-color: var(--orange);
            color: var(--orange);
            background: rgba(255, 90, 31, 0.03);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }

        .hero-image-wrapper {
            position: relative;
            border-radius: var(--radius-img);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            min-height: 400px;
            background: #E8ECF0;
        }

        .hero-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-img);
            transition: transform 0.5s ease;
        }

        .hero-image-wrapper:hover img {
            transform: scale(1.03);
        }

        .hero-image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.08) 0%, rgba(0, 0, 0, 0.35) 100%);
            border-radius: var(--radius-img);
            pointer-events: none;
        }

        .hero-image-glow {
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(255, 90, 31, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            animation: glow-pulse 3s ease-in-out infinite;
        }

        @keyframes glow-pulse {
            0%,
            100% {
                transform: scale(1);
                opacity: 0.7;
            }
            50% {
                transform: scale(1.25);
                opacity: 1;
            }
        }

        /* ============ SECTION COMMONS ============ */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 2.25rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--graphite);
            margin: 0 0 16px 0;
            display: inline-block;
            position: relative;
        }

        .section-header h2::after {
            content: '';
            display: block;
            width: 30px;
            height: 3px;
            background: var(--orange);
            border-radius: 2px;
            margin: 12px auto 0;
        }

        .section-header p {
            color: var(--muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ============ HIGHLIGHTS GRID ============ */
        .highlights-section {
            background: var(--mist);
        }

        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--grid-gap);
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .highlight-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: var(--card-padding);
            box-shadow: var(--card-shadow);
            transition: all var(--transition-fast);
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .highlight-card:nth-child(even) {
            transform: translateY(20px);
        }

        .highlight-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px) !important;
        }

        .highlight-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }

        .highlight-card:hover .highlight-icon {
            animation: icon-pulse 0.6s ease;
        }

        @keyframes icon-pulse {
            0%,
            100% {
                transform: scale(1);
            }
            30% {
                transform: scale(1.18);
            }
            60% {
                transform: scale(0.94);
            }
        }

        .highlight-card h3 {
            font-size: 1.5rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--graphite);
            margin: 0;
        }

        .highlight-card p {
            font-size: 0.95rem;
            color: var(--muted);
            line-height: 1.65;
            margin: 0;
        }

        /* ============ CASES WATERFALL ============ */
        .cases-section {
            background: var(--white);
        }

        .case-item {
            display: grid;
            grid-template-columns: 55% 45%;
            gap: 0;
            align-items: center;
            margin-bottom: 48px;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding: 0 24px;
        }

        .case-item.reverse {
            grid-template-columns: 45% 55%;
        }
        .case-item.reverse .case-image-wrapper {
            order: 2;
        }
        .case-item.reverse .case-text {
            order: 1;
            padding-right: 40px;
            padding-left: 0;
        }

        .case-image-wrapper {
            position: relative;
            border-radius: var(--radius-img);
            overflow: hidden;
            aspect-ratio: 16 / 10;
            cursor: pointer;
            background: #E8ECF0;
        }

        .case-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-img);
            transition: transform 0.4s ease, filter 0.4s ease;
        }

        .case-image-wrapper:hover img {
            transform: scale(1.05);
            filter: brightness(0.85);
        }

        .case-image-wrapper::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0);
            border-radius: var(--radius-img);
            transition: background var(--transition-fast);
            pointer-events: none;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .case-image-wrapper:hover::after {
            background: rgba(0, 0, 0, 0.2);
        }

        .case-image-wrapper .magnify-icon {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) scale(0);
            width: 48px;
            height: 48px;
            background: rgba(255, 255, 255, 0.9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2;
            transition: transform 0.3s ease;
            pointer-events: none;
        }

        .case-image-wrapper:hover .magnify-icon {
            transform: translate(-50%, -50%) scale(1);
        }

        .case-text {
            padding-left: 40px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .case-text h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--graphite);
            margin: 0;
            line-height: 1.4;
        }

        .case-text p {
            font-size: 0.95rem;
            color: var(--muted);
            line-height: 1.65;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .case-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .case-tag {
            display: inline-block;
            padding: 5px 14px;
            font-size: 0.8rem;
            font-weight: 500;
            border-radius: 20px;
            background: rgba(255, 90, 31, 0.08);
            color: var(--orange);
        }

        .case-stats {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--mint);
        }

        .case-detail-link {
            display: inline-block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--orange);
            cursor: pointer;
            position: relative;
            width: fit-content;
            margin-top: 4px;
            transition: all var(--transition-fast);
        }

        .case-detail-link::after {
            content: '';
            display: block;
            width: 0;
            height: 2px;
            background: var(--orange);
            transition: width var(--transition-fast);
        }

        .case-detail-link:hover::after {
            width: 100%;
        }

        /* ============ PLANS COMPARISON ============ */
        .plans-section {
            background: var(--mist);
        }

        .plans-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
            align-items: stretch;
        }

        .plan-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
            gap: 18px;
            border: 2px solid transparent;
            position: relative;
        }

        .plan-card.featured {
            border-color: var(--orange);
            box-shadow: 0 8px 28px rgba(255, 90, 31, 0.15);
            transform: scale(1.03);
            z-index: 1;
        }

        .plan-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--mint);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            white-space: nowrap;
            box-shadow: 0 3px 10px rgba(0, 200, 150, 0.3);
        }

        .plan-card h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--graphite);
            margin: 0;
            text-align: center;
        }

        .plan-price {
            text-align: center;
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--orange);
            line-height: 1;
        }

        .plan-price span {
            font-size: 1rem;
            font-weight: 500;
            color: var(--muted);
        }

        .plan-features {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex-grow: 1;
        }

        .plan-features li {
            font-size: 0.9rem;
            color: var(--body-text);
            padding-left: 26px;
            position: relative;
            line-height: 1.5;
        }

        .plan-features li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            width: 18px;
            height: 18px;
            background: rgba(0, 200, 150, 0.15);
            border-radius: 50%;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2300C896' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: center;
            background-size: 12px;
        }

        .plan-card .btn {
            width: 100%;
            margin-top: auto;
        }

        .plan-card:not(.featured) .btn {
            background: transparent;
            color: var(--graphite);
            border: 2px solid #D1D5DB;
        }
        .plan-card:not(.featured) .btn:hover {
            border-color: var(--orange);
            color: var(--orange);
            background: rgba(255, 90, 31, 0.03);
        }

        .plan-card.featured .btn {
            background: linear-gradient(135deg, #FF5A1F 0%, #FF7A50 100%);
            color: #fff;
            border: 2px solid transparent;
            box-shadow: 0 4px 16px rgba(255, 90, 31, 0.35);
        }
        .plan-card.featured .btn:hover {
            box-shadow: 0 8px 24px rgba(255, 90, 31, 0.5);
            transform: translateY(-2px);
        }

        /* ============ CONTACT CTA ============ */
        .contact-section {
            background: var(--graphite);
            position: relative;
            overflow: hidden;
        }

        .contact-bg-pattern {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

        .contact-dynamic-lines {
            position: absolute;
            inset: 0;
            pointer-events: none;
            opacity: 0.25;
            background: repeating-linear-gradient(45deg,
                    transparent,
                    transparent 30px,
                    rgba(255, 255, 255, 0.015) 30px,
                    rgba(255, 255, 255, 0.015) 31px),
                repeating-linear-gradient(-45deg,
                    transparent,
                    transparent 30px,
                    rgba(255, 255, 255, 0.015) 30px,
                    rgba(255, 255, 255, 0.015) 31px);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }

        .contact-info {
            color: #fff;
            display: flex;
            flex-direction: column;
            gap: 20px;
            padding-top: 20px;
        }

        .contact-info h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin: 0;
            line-height: 1.3;
        }

        .contact-info p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin: 0;
        }

        .contact-details {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 8px;
        }

        .contact-detail-item {
            display: flex;
            align-items: center;
            gap: 12px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
        }

        .contact-detail-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            opacity: 0.7;
        }

        .contact-form-card {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group label {
            font-size: 0.85rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.8);
            letter-spacing: 0.3px;
        }

        .form-group input,
        .form-group textarea {
            padding: 14px 16px;
            border-radius: var(--radius-input);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 1rem;
            transition: all var(--transition-fast);
            resize: vertical;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--orange);
            background: rgba(255, 255, 255, 0.14);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 90, 31, 0.2);
        }

        .form-submit-btn {
            width: 100%;
            padding: 16px;
            font-size: 1.05rem;
            font-weight: 700;
            background: var(--orange);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
            box-shadow: 0 4px 16px rgba(255, 90, 31, 0.3);
        }

        .form-submit-btn:hover {
            background: linear-gradient(135deg, #FF5A1F 0%, #FF7A50 100%);
            box-shadow: 0 8px 24px rgba(255, 90, 31, 0.45);
            transform: translateY(-2px);
        }
        .form-submit-btn:active {
            transform: scale(0.97);
        }

        .form-success-msg {
            display: none;
            text-align: center;
            color: var(--mint);
            font-weight: 600;
            font-size: 1.1rem;
            padding: 24px;
            background: rgba(0, 200, 150, 0.1);
            border-radius: var(--radius-card);
            border: 1px solid rgba(0, 200, 150, 0.3);
        }

        .form-success-msg.visible {
            display: block;
        }

        /* ============ FAQ (inline in contact or separate) ============ */
        .faq-mini {
            max-width: 800px;
            margin: 0 auto 40px;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }
        .faq-mini h3 {
            color: #fff;
            text-align: center;
            font-size: 1.6rem;
            margin-bottom: 24px;
        }
        .faq-item {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            padding: 16px 20px;
            margin-bottom: 8px;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .faq-item:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .faq-q {
            font-weight: 600;
            color: #fff;
            font-size: 0.95rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .faq-q .faq-arrow {
            transition: transform var(--transition-fast);
            font-size: 0.8rem;
            opacity: 0.6;
            flex-shrink: 0;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            opacity: 1;
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding-top 0.35s ease;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .faq-item.open .faq-a {
            max-height: 200px;
            padding-top: 10px;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #141414;
            color: rgba(255, 255, 255, 0.6);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 600;
            margin: 0 0 16px 0;
        }

        .footer-col p {
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--orange);
        }

        .footer-social-icons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .footer-social-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            cursor: default;
        }
        .footer-social-icon:hover {
            background: rgba(255, 90, 31, 0.3);
            transform: translateY(-2px);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 32px;
            margin-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.35);
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1280px) {
            .hero-text h1 {
                font-size: 2.5rem;
            }
            .hero-grid {
                gap: 32px;
            }
            .highlights-grid {
                gap: 20px;
            }
            .plan-card {
                padding: 24px 20px;
            }
            .plan-price {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }
            .hero-text {
                align-items: center;
            }
            .hero-text h1::after {
                margin: 8px auto 0;
            }
            .hero-subtitle {
                max-width: 100%;
            }
            .hero-image-wrapper {
                aspect-ratio: 16 / 9;
                min-height: 300px;
                max-width: 600px;
                margin: 0 auto;
                width: 100%;
            }
            .hero-image-glow {
                display: none;
            }
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .highlight-card:nth-child(even) {
                transform: translateY(0);
            }
            .highlight-card:hover {
                transform: translateY(-4px) !important;
            }
            .case-item,
            .case-item.reverse {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .case-item.reverse .case-image-wrapper {
                order: -1;
            }
            .case-item.reverse .case-text {
                order: 0;
                padding-right: 0;
                padding-left: 0;
            }
            .case-text {
                padding-left: 0;
                padding-right: 0;
            }
            .plans-grid {
                grid-template-columns: 1fr;
                max-width: 450px;
                gap: 20px;
            }
            .plan-card.featured {
                transform: scale(1);
            }
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .site-header {
                height: 60px;
            }
            .site-header.scrolled {
                height: 56px;
            }
            .logo-link {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
            }
            .hero-section {
                padding-top: 90px;
                padding-bottom: 40px;
                min-height: auto;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .hero-image-wrapper {
                aspect-ratio: 16 / 9;
                min-height: 220px;
            }
            .highlights-grid {
                grid-template-columns: 1fr;
                gap: 16px;
                max-width: 450px;
            }
            .highlight-card:nth-child(even) {
                transform: translateY(0);
            }
            .highlight-card:hover {
                transform: translateY(-4px) !important;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .case-image-wrapper {
                aspect-ratio: 16 / 9;
            }
            .contact-form-card {
                padding: 24px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                text-align: center;
            }
            .footer-social-icons {
                justify-content: center;
            }
            .section {
                padding: 40px 0;
            }
            .plans-grid {
                max-width: 100%;
            }
            .plan-price {
                font-size: 2rem;
            }
            .contact-info {
                text-align: center;
                align-items: center;
            }
            .contact-details {
                align-items: center;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.65rem;
            }
            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }
            .hero-buttons .btn {
                width: 100%;
            }
            .hero-image-wrapper {
                min-height: 180px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .section-header p {
                font-size: 0.9rem;
            }
            .highlight-card h3 {
                font-size: 1.25rem;
            }
            .case-text h3 {
                font-size: 1.2rem;
            }
            .plan-card h3 {
                font-size: 1.25rem;
            }
            .contact-info h2 {
                font-size: 1.5rem;
            }
            .form-group input,
            .form-group textarea {
                padding: 12px 14px;
                font-size: 0.9rem;
            }
            .form-submit-btn {
                padding: 14px;
                font-size: 0.95rem;
            }
            .container {
                padding: 0 16px;
            }
            .highlights-grid,
            .plans-grid,
            .case-item {
                padding: 0 16px;
            }
            .contact-grid {
                padding: 0 16px;
            }
            .footer-grid {
                padding: 0 16px;
            }
        }