/* ==========================================================================
   ouym.cn — 首页样式
   ========================================================================== */

:root {
    --ink: #0b1020;
    --ink-2: #131c33;
    --text: #1e293b;
    --muted: #64748b;
    --line: #e5eaf2;
    --bg: #f4f7fc;
    --card: #ffffff;
    --brand: #2563eb;
    --brand-2: #06b6d4;
    --brand-soft: #eef4ff;
    --radius: 18px;
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, .05);
    --shadow: 0 14px 40px -18px rgba(15, 23, 42, .22);
    --shadow-lg: 0 30px 70px -30px rgba(15, 23, 42, .35);
    --container: 1180px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
                 "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 14px 0;
    background: rgba(244, 247, 252, .82);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color .3s ease, box-shadow .3s ease, background .3s ease;
}

.site-header.is-scrolled {
    border-bottom-color: var(--line);
    box-shadow: 0 6px 24px -18px rgba(15, 23, 42, .35);
    background: rgba(255, 255, 255, .9);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    flex-shrink: 0;
}

.logo-icon {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
    color: #fff;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: .5px;
    box-shadow: 0 8px 18px -8px rgba(37, 99, 235, .8);
}

.logo-text {
    font-size: 1.28rem;
    font-weight: 800;
    letter-spacing: -.4px;
    color: var(--ink);
}

.logo-text i {
    font-style: normal;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 6px;
}

.nav-link {
    position: relative;
    padding: 8px 14px;
    border-radius: 10px;
    font-size: .95rem;
    font-weight: 500;
    color: #334155;
    cursor: pointer;
    transition: color .25s ease, background .25s ease;
}

.nav-link:hover {
    color: var(--brand);
    background: var(--brand-soft);
}

.btn-login {
    margin-left: 8px;
    padding: 9px 20px;
    border-radius: 10px;
    font-size: .95rem;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    box-shadow: 0 10px 22px -12px rgba(37, 99, 235, .95);
    transition: transform .25s ease, box-shadow .25s ease;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 28px -14px rgba(37, 99, 235, .95);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 30px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    white-space: nowrap;
    transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    box-shadow: 0 16px 32px -16px rgba(37, 99, 235, .95);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 40px -18px rgba(37, 99, 235, .95);
}

.btn-ghost {
    color: #e2e8f5;
    border: 1px solid rgba(255, 255, 255, .22);
    background: rgba(255, 255, 255, .06);
    cursor: pointer;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, .13);
    border-color: rgba(255, 255, 255, .38);
    transform: translateY(-2px);
}

.btn-light {
    color: var(--brand);
    background: #fff;
    box-shadow: 0 16px 34px -18px rgba(0, 0, 0, .6);
}

.btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 40px -18px rgba(0, 0, 0, .55);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
    position: relative;
    overflow: hidden;
    padding: 92px 0 96px;
    background: linear-gradient(165deg, #0a0f1e 0%, var(--ink-2) 52%, #0d1a30 100%);
    isolation: isolate;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

/* 网格底纹 */
.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .055) 1px, transparent 1px);
    background-size: 58px 58px;
    -webkit-mask-image: radial-gradient(ellipse 78% 68% at 50% 38%, #000 35%, transparent 100%);
    mask-image: radial-gradient(ellipse 78% 68% at 50% 38%, #000 35%, transparent 100%);
}

/* 光晕 */
.hero-bg::after {
    content: '';
    position: absolute;
    inset: -20% -10%;
    background:
        radial-gradient(circle at 22% 18%, rgba(37, 99, 235, .38) 0%, transparent 46%),
        radial-gradient(circle at 80% 26%, rgba(6, 182, 212, .30) 0%, transparent 48%),
        radial-gradient(circle at 52% 108%, rgba(99, 102, 241, .26) 0%, transparent 52%);
    filter: blur(24px);
}

.hero-inner {
    position: relative;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: .88rem;
    font-weight: 500;
    color: #c7d6ee;
    border: 1px solid rgba(255, 255, 255, .14);
    background: rgba(255, 255, 255, .06);
    backdrop-filter: blur(6px);
}

.hero-badge i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #34d399;
    box-shadow: 0 0 0 4px rgba(52, 211, 153, .18);
}

.hero-title {
    margin: 26px auto 0;
    max-width: 17em;   /* 中文标题 16 字可单行；英文自然折行 */
    font-size: clamp(2rem, 4.6vw, 3.4rem);
    font-weight: 800;
    line-height: 1.24;
    letter-spacing: -.5px;
    color: #fff;
}

.hero-title .grad {
    background: linear-gradient(120deg, #60a5fa 0%, #22d3ee 55%, #67e8f9 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-sub {
    max-width: 42em;
    margin: 22px auto 0;
    font-size: clamp(1rem, 1.5vw, 1.12rem);
    line-height: 1.9;
    color: #9fb0cd;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    margin-top: 36px;
}

.hero-modules {
    margin-top: 64px;
    padding-top: 34px;
    border-top: 1px solid rgba(255, 255, 255, .09);
}

.hero-modules-label {
    display: block;
    margin-bottom: 18px;
    font-size: .82rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: #64789b;
    text-transform: uppercase;
}

.hero-chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.chip {
    padding: 8px 18px;
    border-radius: 999px;
    font-size: .92rem;
    color: #cbd8ec;
    border: 1px solid rgba(255, 255, 255, .12);
    background: rgba(255, 255, 255, .045);
    transition: all .25s ease;
}

.chip:hover {
    color: #fff;
    border-color: rgba(96, 165, 250, .7);
    background: rgba(37, 99, 235, .22);
    transform: translateY(-2px);
}

/* ==========================================================================
   Sections
   ========================================================================== */

.section {
    padding: 88px 0 0;
    scroll-margin-top: 90px;
}

.section-head {
    max-width: 720px;
    margin: 0 auto 52px;
    text-align: center;
}

.eyebrow {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: .84rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--brand);
    background: var(--brand-soft);
    border: 1px solid #dbe7ff;
}

.section-title {
    margin-top: 18px;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    letter-spacing: -.4px;
    line-height: 1.35;
    color: var(--ink);
}

.section-sub {
    margin-top: 16px;
    font-size: 1.02rem;
    line-height: 1.85;
    color: var(--muted);
}

/* ==========================================================================
   Services
   ========================================================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.service-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 30px 28px;
    border-radius: var(--radius);
    background: var(--card);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform .35s cubic-bezier(.2, .7, .3, 1), box-shadow .35s ease, border-color .35s ease;
}

/* 顶部渐变描边，hover 时点亮 */
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand), var(--brand-2));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .4s cubic-bezier(.2, .7, .3, 1);
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: #cfe0ff;
    box-shadow: var(--shadow);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    margin-bottom: 20px;
    border-radius: 14px;
    color: var(--brand);
    background: var(--brand-soft);
    border: 1px solid #dbe7ff;
    transition: all .35s ease;
}

.service-icon svg {
    width: 25px;
    height: 25px;
}

.service-card:hover .service-icon {
    color: #fff;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    border-color: transparent;
    box-shadow: 0 12px 24px -12px rgba(37, 99, 235, .9);
}

.service-title {
    font-size: 1.16rem;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -.2px;
}

.service-desc {
    margin-top: 10px;
    font-size: .95rem;
    line-height: 1.8;
    color: var(--muted);
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;      /* 让同排卡片的标签行底部对齐 */
    padding-top: 18px;
    border-top: 1px dashed var(--line);
}

.service-tags li {
    padding: 4px 12px;
    border-radius: 8px;
    font-size: .82rem;
    font-weight: 500;
    color: #475569;
    background: #f1f5f9;
}

.services-note {
    margin-top: 28px;
    text-align: center;
    font-size: .95rem;
    color: var(--muted);
}

/* ==========================================================================
   Process
   ========================================================================== */

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    counter-reset: step;
}

.step {
    position: relative;
    padding: 28px 24px;
    border-radius: var(--radius);
    background: var(--card);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
    transition: transform .35s cubic-bezier(.2, .7, .3, 1), box-shadow .35s ease;
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

/* 步骤之间的连接线 */
.step::after {
    content: '';
    position: absolute;
    top: 46px;
    right: -22px;
    width: 22px;
    height: 1px;
    background: linear-gradient(90deg, #cbd8ec, transparent);
}

.step:last-child::after { display: none; }

.step-no {
    display: inline-block;
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.step-title {
    margin-top: 8px;
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--ink);
}

.step-desc {
    margin-top: 8px;
    font-size: .92rem;
    line-height: 1.75;
    color: var(--muted);
}

.advantages {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 26px;
    padding: 26px 28px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, #f8fbff, #eef6ff);
    border: 1px solid #e0ecff;
}

.advantage {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.advantage-icon {
    flex-shrink: 0;
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    margin-top: 2px;
    border-radius: 50%;
    color: #fff;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    box-shadow: 0 8px 16px -8px rgba(37, 99, 235, .9);
}

.advantage-icon svg {
    width: 15px;
    height: 15px;
}

.advantage h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--ink);
}

.advantage p {
    margin-top: 2px;
    font-size: .88rem;
    line-height: 1.7;
    color: var(--muted);
}

/* ==========================================================================
   Cases
   ========================================================================== */

.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.case-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 30px 30px 28px;
    border-radius: var(--radius);
    background: var(--card);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform .35s cubic-bezier(.2, .7, .3, 1), box-shadow .35s ease, border-color .35s ease;
}

.case-card::after {
    content: '';
    position: absolute;
    right: -40px;
    bottom: -40px;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, .07), transparent 70%);
    transition: transform .5s ease;
}

.case-card:hover {
    transform: translateY(-6px);
    border-color: #cfe0ff;
    box-shadow: var(--shadow);
}

.case-card:hover::after {
    transform: scale(1.5);
}

.case-top {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.case-no {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    color: #dbe4f3;
    line-height: 1;
}

.case-model {
    padding: 5px 14px;
    border-radius: 999px;
    font-size: .84rem;
    font-weight: 600;
    color: var(--brand);
    background: var(--brand-soft);
    border: 1px solid #dbe7ff;
}

.case-desc {
    position: relative;
    z-index: 1;
    font-size: .96rem;
    line-height: 1.85;
    color: #475569;
}

.case-func {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: flex-start;
    gap: 9px;
    margin-top: auto;      /* 让同排卡片的实现说明底部对齐 */
    padding-top: 18px;
    border-top: 1px dashed var(--line);
    font-size: .9rem;
    font-weight: 500;
    line-height: 1.7;
    color: #0f766e;
}

.case-func svg {
    flex-shrink: 0;
    width: 15px;
    height: 15px;
    margin-top: 4px;
    color: #10b981;
}

/* ==========================================================================
   CTA band
   ========================================================================== */

.cta-band {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 28px;
    margin: 88px 0 0;
    padding: 46px 50px;
    border-radius: 26px;
    color: #fff;
    background: linear-gradient(135deg, #0a0f1e 0%, #16233d 60%, #0e2a44 100%);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.cta-band::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 88% 12%, rgba(6, 182, 212, .32) 0%, transparent 42%),
        radial-gradient(circle at 6% 96%, rgba(37, 99, 235, .32) 0%, transparent 46%);
}

.cta-band-text { position: relative; z-index: 1; }

.cta-band h2 {
    font-size: clamp(1.4rem, 2.4vw, 1.85rem);
    font-weight: 800;
    letter-spacing: -.3px;
}

.cta-band p {
    margin-top: 8px;
    font-size: .98rem;
    color: #a4b4d0;
}

.cta-band .btn { position: relative; z-index: 1; }

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
    margin-top: 96px;
    padding: 46px 0 40px;
    background: #fff;
    border-top: 1px solid var(--line);
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
}

.logo-sm .logo-icon { width: 32px; height: 32px; border-radius: 9px; font-size: 13px; }
.logo-sm .logo-text { font-size: 1.1rem; }

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 26px;
}

.footer-links a {
    font-size: .92rem;
    color: var(--muted);
    cursor: pointer;
    transition: color .25s ease;
}

.footer-links a:hover { color: var(--brand); }

.copyright {
    font-size: .85rem;
    color: #94a3b8;
}

/* ==========================================================================
   Modal
   ========================================================================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(9, 14, 26, .58);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s ease, visibility .3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    width: 100%;
    max-width: 500px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    padding: 32px;
    border-radius: 22px;
    background: #fff;
    box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .6);
    transform: translateY(-18px) scale(.98);
    transition: transform .35s cubic-bezier(.2, .7, .3, 1);
}

.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
}

.modal-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--ink);
}

.close-modal {
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 1.4rem;
    line-height: 1;
    color: var(--muted);
    transition: background .25s ease, color .25s ease;
}

.close-modal:hover {
    background: #fef2f2;
    color: #ef4444;
}

.form-group { margin-bottom: 20px; }

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: .92rem;
    font-weight: 600;
    color: #334155;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1.5px solid var(--line);
    border-radius: 11px;
    font-family: inherit;
    font-size: .96rem;
    color: var(--text);
    background: #f8fafc;
    transition: border-color .25s ease, background .25s ease, box-shadow .25s ease;
}

.form-input::placeholder,
.form-textarea::placeholder { color: #a3b0c2; }

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--brand);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
}

.form-textarea {
    min-height: 118px;
    resize: vertical;
}

.submit-button {
    width: 100%;
    padding: 14px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    box-shadow: 0 16px 30px -16px rgba(37, 99, 235, .95);
    transition: transform .25s ease, box-shadow .25s ease;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 38px -18px rgba(37, 99, 235, .95);
}

/* ==========================================================================
   Toast
   ========================================================================== */

.toast {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 2000;
    max-width: 320px;
    padding: 15px 24px;
    border-radius: 12px;
    color: #fff;
    font-size: .94rem;
    font-weight: 500;
    line-height: 1.6;
    word-wrap: break-word;
    box-shadow: 0 20px 44px -20px rgba(0, 0, 0, .55);
    transform: translateX(calc(100% + 40px));
    transition: transform .38s cubic-bezier(.2, .7, .3, 1);
}

.toast.show { transform: translateX(0); }
.toast.success { background: linear-gradient(135deg, #059669, #34d399); }
.toast.error { background: linear-gradient(135deg, #e11d48, #f97316); }

/* ==========================================================================
   Reveal on scroll
   ========================================================================== */

.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity .7s cubic-bezier(.2, .7, .3, 1), transform .7s cubic-bezier(.2, .7, .3, 1);
    will-change: opacity, transform;
}

.reveal.in {
    opacity: 1;
    transform: none;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .step:nth-child(2n)::after { display: none; }
    .advantages { grid-template-columns: 1fr; gap: 22px; }
    .cta-band { padding: 40px 34px; }
}

@media (max-width: 768px) {
    .container { padding: 0 18px; }

    .site-header { padding: 10px 0; }
    .header-content { flex-direction: column; gap: 12px; }
    .nav-links { flex-wrap: wrap; justify-content: center; gap: 2px; }
    .nav-link { padding: 6px 9px; font-size: .86rem; }
    .btn-login { margin-left: 2px; padding: 7px 14px; font-size: .86rem; }

    .hero { padding: 56px 0 64px; }
    .hero-title { font-size: 1.85rem; }
    .hero-sub { font-size: .97rem; line-height: 1.85; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn { width: 100%; }
    .hero-modules { margin-top: 44px; padding-top: 26px; }
    .hero-modules-label { letter-spacing: 2px; }

    .section { padding: 60px 0 0; scroll-margin-top: 130px; }
    .section-head { margin-bottom: 34px; }

    .services-grid,
    .steps,
    .cases-grid { grid-template-columns: 1fr; }

    .step::after { display: none; }
    .service-card, .step, .case-card { padding: 24px 22px; }

    .cta-band { margin-top: 60px; padding: 34px 24px; }
    .cta-band .btn { width: 100%; }

    .site-footer { margin-top: 64px; }

    .modal { padding: 24px 20px; }

    .toast {
        top: 14px;
        left: 14px;
        right: 14px;
        max-width: none;
        transform: translateY(-160%);
    }

    .toast.show { transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
    * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}