/* ========================================
   TamRank Migration / Switch Page
   Dependency: variables.css, global.css
   ======================================== */

/* === HERO === */
.mig-hero {
    background: linear-gradient(135deg, var(--tr-color-slate-800) 0%, var(--tr-color-slate-900) 100%);
    padding: 160px 0 88px;
    text-align: center;
}

.mig-hero__title {
    font-size: clamp(var(--tr-text-3xl), 5.5vw, var(--tr-text-5xl));
    font-weight: var(--tr-font-extrabold);
    color: var(--tr-color-white);
    max-width: 780px;
    margin: 0 auto var(--tr-space-5);
    letter-spacing: -0.02em;
    line-height: var(--tr-leading-tight);
}

.mig-hero__accent {
    color: var(--tr-color-primary);
}

.mig-hero__subtitle {
    max-width: 620px;
    margin: 0 auto var(--tr-space-8);
    font-size: var(--tr-text-lg);
    color: var(--tr-color-slate-400);
    line-height: var(--tr-leading-relaxed);
}

.mig-hero__actions {
    display: flex;
    gap: var(--tr-space-4);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--tr-space-5);
}

.mig-hero__note {
    font-size: var(--tr-text-sm);
    color: var(--tr-color-slate-500);
}

/* === SHARED SECTION HEAD === */
.mig-section-head {
    text-align: center;
    max-width: 620px;
    margin: 0 auto var(--tr-space-12);
}

.mig-section-head h2 {
    font-size: clamp(var(--tr-text-2xl), 3.5vw, var(--tr-text-4xl));
    font-weight: var(--tr-font-extrabold);
    color: var(--tr-color-slate-900);
    letter-spacing: -0.02em;
    margin-bottom: var(--tr-space-3);
}

.mig-section-head p {
    font-size: var(--tr-text-lg);
    color: var(--tr-color-slate-600);
    line-height: var(--tr-leading-relaxed);
}

/* === STEPS === */
.mig-steps {
    background: var(--tr-color-white);
    padding: var(--tr-space-24) 0;
}

.mig-steps__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--tr-space-6);
}

.mig-step {
    position: relative;
    padding: var(--tr-space-8) var(--tr-space-6);
    background: var(--tr-color-surface);
    border-radius: var(--tr-radius-xl);
}

.mig-step__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--tr-radius-full);
    background: var(--tr-color-primary);
    color: var(--tr-color-white);
    font-weight: var(--tr-font-bold);
    font-size: var(--tr-text-lg);
    margin-bottom: var(--tr-space-5);
}

.mig-step__title {
    font-size: var(--tr-text-lg);
    font-weight: var(--tr-font-bold);
    color: var(--tr-color-slate-900);
    margin-bottom: var(--tr-space-2);
}

.mig-step__desc {
    font-size: var(--tr-text-base);
    color: var(--tr-color-slate-600);
    line-height: var(--tr-leading-relaxed);
}

/* === IMPORTS === */
.mig-imports {
    background: var(--tr-color-surface);
    padding: var(--tr-space-24) 0;
}

.mig-imports__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--tr-space-5);
    max-width: 900px;
    margin: 0 auto;
}

.mig-import {
    display: flex;
    gap: var(--tr-space-4);
    align-items: flex-start;
    padding: var(--tr-space-6);
    background: var(--tr-color-white);
    border-radius: var(--tr-radius-lg);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05);
}

.mig-import__check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: var(--tr-radius-full);
    background: var(--tr-color-primary-light);
    color: var(--tr-color-primary-hover);
}

.mig-import__label {
    font-size: var(--tr-text-base);
    font-weight: var(--tr-font-bold);
    color: var(--tr-color-slate-900);
    margin-bottom: 2px;
}

.mig-import__desc {
    font-size: var(--tr-text-sm);
    color: var(--tr-color-slate-600);
    line-height: var(--tr-leading-normal);
}

/* === SAFETY === */
.mig-safety {
    background: var(--tr-color-white);
    padding: var(--tr-space-24) 0;
}

.mig-safety__card {
    display: flex;
    gap: var(--tr-space-6);
    align-items: flex-start;
    max-width: 820px;
    margin: 0 auto;
    padding: var(--tr-space-10);
    background: linear-gradient(135deg, var(--tr-color-slate-800) 0%, var(--tr-color-slate-900) 100%);
    border-radius: var(--tr-radius-2xl);
}

.mig-safety__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: var(--tr-radius-lg);
    background: rgba(16, 185, 129, 0.12);
    color: var(--tr-color-primary);
}

.mig-safety__text h2 {
    font-size: var(--tr-text-2xl);
    font-weight: var(--tr-font-extrabold);
    color: var(--tr-color-white);
    margin-bottom: var(--tr-space-3);
    letter-spacing: -0.01em;
}

.mig-safety__text p {
    font-size: var(--tr-text-base);
    color: var(--tr-color-slate-400);
    line-height: var(--tr-leading-relaxed);
}

/* === COMPARE CARDS === */
.mig-compare {
    background: var(--tr-color-surface);
    padding: var(--tr-space-24) 0;
}

.mig-compare__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--tr-space-6);
    max-width: 760px;
    margin: 0 auto;
}

.mig-compare__card {
    display: flex;
    flex-direction: column;
    gap: var(--tr-space-2);
    padding: var(--tr-space-8);
    background: var(--tr-color-white);
    border: 1px solid transparent;
    border-radius: var(--tr-radius-xl);
    text-decoration: none;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05);
    transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.mig-compare__card:hover {
    transform: translateY(-2px);
    border-color: var(--tr-color-primary-light);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.mig-compare__label {
    font-size: var(--tr-text-xs);
    font-weight: var(--tr-font-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--tr-color-slate-500);
}

.mig-compare__name {
    font-size: var(--tr-text-xl);
    font-weight: var(--tr-font-extrabold);
    color: var(--tr-color-slate-900);
}

.mig-compare__link {
    display: inline-flex;
    align-items: center;
    gap: var(--tr-space-2);
    margin-top: var(--tr-space-3);
    font-size: var(--tr-text-sm);
    font-weight: var(--tr-font-bold);
    color: var(--tr-color-primary-hover);
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
    .mig-steps__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .mig-hero {
        padding: 128px 0 64px;
    }
    .mig-steps__grid,
    .mig-imports__grid,
    .mig-compare__grid {
        grid-template-columns: 1fr;
    }
    .mig-safety__card {
        flex-direction: column;
        gap: var(--tr-space-5);
        padding: var(--tr-space-8);
    }
    .mig-steps,
    .mig-imports,
    .mig-safety,
    .mig-compare {
        padding: var(--tr-space-16) 0;
    }
}