/*
Theme Name: TrainFlow
Theme URI: https://example.com/trainflow
Author: TrainFlow Team
Description: AI Fitness Coach theme (minimal skeleton for local development)
Version: 0.3
*/

/* ===== CUSTOM PROPERTIES ===== */
:root {
    --color-black:          #0a0a0a;
    --color-black-soft:     #141414;
    --color-black-light:    #1e1e1e;
    --color-yellow:         #f5c518;
    --color-yellow-hover:   #ffe04a;
    --color-yellow-dim:     #d4a812;
    --color-white:          #ffffff;
    --color-off-white:      #f7f7f7;
    --color-gray-50:        #fafafa;
    --color-gray-100:       #f3f4f6;
    --color-gray-200:       #e5e7eb;
    --color-gray-300:       #d1d5db;
    --color-gray-500:       #6b7280;
    --color-gray-700:       #374151;
    --color-gray-900:       #111827;
    --color-text:           #111827;
    --color-text-muted:     #6b7280;
    --color-error:          #ef4444;
    --color-error-bg:       #fef2f2;
    --color-error-border:   #fecaca;
    --color-success:        #22c55e;

    --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-sm:    0.875rem;
    --font-size-base:  1rem;
    --font-size-lg:    1.125rem;
    --font-size-xl:    1.25rem;
    --font-size-2xl:   1.5rem;
    --font-size-3xl:   1.875rem;
    --font-size-4xl:   2.25rem;
    --font-size-5xl:   3rem;
    --line-height-tight:   1.2;
    --line-height-normal:  1.5;
    --line-height-relaxed: 1.625;

    --space-xs:   0.25rem;
    --space-sm:   0.5rem;
    --space-md:   1rem;
    --space-lg:   1.5rem;
    --space-xl:   2rem;
    --space-2xl:  3rem;
    --space-3xl:  4rem;
    --space-4xl:  6rem;

    --container-max:   1100px;
    --container-pad:   1.25rem;

    --radius-sm:    6px;
    --radius-md:    10px;
    --radius-lg:    16px;
    --radius-full:  50%;
    --shadow-sm:    0 1px 3px rgba(0,0,0,0.08);
    --shadow-md:    0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg:    0 10px 30px rgba(0,0,0,0.16);
    --shadow-glow:  0 0 20px rgba(245,197,24,0.35);
    --transition:   0.3s ease;

    --z-nav:   1000;
}

/* ===== RESET & BASE ===== */
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
*, *::before, *::after { box-sizing: border-box; }
body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-gray-900); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-yellow-dim); }
h1, h2, h3, h4 { margin: 0 0 var(--space-md); line-height: var(--line-height-tight); }
p { margin: 0 0 var(--space-md); }
ul { list-style: none; margin: 0; padding: 0; }

/* ===== UTILITIES ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.btn:active {
    transform: scale(0.97);
}
.btn--primary {
    background: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
}
.btn--primary:hover {
    background: var(--color-yellow);
    color: var(--color-black);
    border-color: var(--color-yellow);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}
.btn--primary:active {
    transform: translateY(0) scale(0.97);
}
.btn--accent {
    background: var(--color-yellow);
    color: var(--color-black);
    border-color: var(--color-yellow);
}
.btn--accent:hover {
    background: var(--color-yellow-hover);
    color: var(--color-black);
    border-color: var(--color-yellow-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}
.btn--accent:active {
    transform: translateY(0) scale(0.97);
}
.btn--outline {
    background: transparent;
    border-color: var(--color-black);
    color: var(--color-black);
}
.btn--outline:hover {
    background: var(--color-black);
    border-color: var(--color-black);
    color: var(--color-yellow);
    transform: translateY(-2px);
}
.btn--outline:active {
    transform: translateY(0) scale(0.97);
}
/* Outline on dark backgrounds */
.hero-section .btn--outline,
.cta-section .btn--outline,
.page-header .btn--outline {
    border-color: var(--color-white);
    color: var(--color-white);
}
.hero-section .btn--outline:hover,
.cta-section .btn--outline:hover,
.page-header .btn--outline:hover {
    background: var(--color-yellow);
    border-color: var(--color-yellow);
    color: var(--color-black);
    box-shadow: var(--shadow-glow);
}
.btn--sm { padding: 0.5rem 1rem; font-size: var(--font-size-sm); }
.btn--lg { padding: 1rem 2rem; font-size: var(--font-size-lg); }

.btn svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform 0.25s ease;
}
.btn:hover svg {
    transform: translateX(3px);
}

/* ===== SECTION HEADERS ===== */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}
.section-label {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-yellow-dim);
    margin-bottom: var(--space-sm);
}
.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-gray-900);
    margin: 0 0 var(--space-md);
}
.section-desc {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin: 0;
}

/* ===== SITE HEADER / NAV ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-nav);
    background: var(--color-white);
    box-shadow: 0 1px 0 var(--color-gray-200);
}
.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) {
    .admin-bar .site-header { top: 46px; }
}
.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
    gap: var(--space-md);
}
.site-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--color-black);
    font-size: var(--font-size-xl);
    font-weight: 800;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}
.site-logo:hover { color: var(--color-black); }
.site-logo__icon {
    width: 32px;
    height: 32px;
    color: var(--color-yellow-dim);
}

/* Hamburger toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    z-index: 10;
}
.nav-toggle__bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-black);
    transition: transform var(--transition), opacity var(--transition);
    border-radius: 2px;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
    opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Nav menu */
.nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    padding: var(--space-md) var(--container-pad);
}
.nav-menu--open { display: flex; }
.nav-menu li a {
    display: block;
    padding: var(--space-sm) 0;
    color: var(--color-gray-700);
    font-weight: 500;
    transition: color var(--transition);
}
.nav-menu li a:hover,
.nav-menu li a.is-active {
    color: var(--color-black);
}
.nav-menu li a.is-active {
    font-weight: 700;
}
.nav-cta { display: none; }

/* ===== HERO SECTION ===== */
.hero-section {
    position: relative;
    overflow: hidden;
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--space-4xl) 0;
    text-align: center;
}
.hero-section__bg {
    position: absolute;
    inset: -30px;
    background-image: radial-gradient(circle, rgba(245,197,24,0.08) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: hero-drift 20s linear infinite;
    pointer-events: none;
}
@keyframes hero-drift {
    0%   { transform: translate(0, 0); }
    100% { transform: translate(30px, 30px); }
}
.hero-section__content {
    position: relative;
    z-index: 1;
}
.hero-section__badge {
    display: inline-block;
    background: rgba(245,197,24,0.15);
    color: var(--color-yellow);
    padding: var(--space-xs) var(--space-lg);
    border-radius: 999px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--space-xl);
    border: 1px solid rgba(245,197,24,0.25);
}
.hero-section__title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    line-height: var(--line-height-tight);
    margin: 0 0 var(--space-lg);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}
.hero-section__title-accent {
    color: var(--color-yellow);
}
.hero-section__subtitle {
    font-size: var(--font-size-lg);
    max-width: 560px;
    margin: 0 auto var(--space-2xl);
    opacity: 0.7;
    line-height: var(--line-height-relaxed);
}
.hero-section__actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}
.steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin-top: var(--space-3xl);
}
.step {
    text-align: center;
    position: relative;
}
.step__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--color-black);
    color: var(--color-yellow);
    font-weight: 700;
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-md);
}
.step__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    background: var(--color-off-white);
    color: var(--color-black);
    margin-bottom: var(--space-lg);
    transition: all var(--transition);
}
.step:hover .step__icon {
    background: var(--color-yellow);
    transform: scale(1.05);
}
.step__icon svg {
    width: 40px;
    height: 40px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.step__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0 0 var(--space-sm);
}
.step__desc {
    color: var(--color-text-muted);
    max-width: 280px;
    margin: 0 auto;
    font-size: var(--font-size-base);
}

/* ===== FEATURES ===== */
.features-section {
    padding: var(--space-4xl) 0;
    background: var(--color-off-white);
}
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
}
.feature-card {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    border: 1px solid var(--color-gray-200);
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-yellow);
}
.feature-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--color-off-white);
    color: var(--color-black);
    margin-bottom: var(--space-lg);
    transition: all var(--transition);
}
.feature-card:hover .feature-card__icon {
    background: var(--color-yellow);
    transform: scale(1.1);
}
.feature-card__icon svg {
    width: 28px;
    height: 28px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.feature-card__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin: 0 0 var(--space-sm);
}
.feature-card__desc {
    color: var(--color-text-muted);
    margin: 0;
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
}

/* ===== PROGRAMS ===== */
.programs-section {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}
.programs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
}
.program-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.program-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-yellow);
}
.program-card__header {
    margin-bottom: var(--space-lg);
}
.program-card__tag {
    display: inline-block;
    background: var(--color-black);
    color: var(--color-yellow);
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: var(--space-xs) var(--space-md);
    border-radius: 999px;
}
.program-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0 0 var(--space-sm);
}
.program-card__desc {
    color: var(--color-text-muted);
    margin: 0 0 var(--space-lg);
    line-height: var(--line-height-relaxed);
    flex: 1;
}
.program-card__meta {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}
.program-card__meta-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}
.program-card__meta-item svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ===== STATS ===== */
.stats-section {
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--space-3xl) 0;
    position: relative;
    overflow: hidden;
}
.stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(245,197,24,0.05) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    text-align: center;
    position: relative;
}
.stat__value {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    line-height: var(--line-height-tight);
    color: var(--color-yellow);
}
.stat__label {
    font-size: var(--font-size-sm);
    opacity: 0.7;
    margin-top: var(--space-xs);
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: var(--space-4xl) 0;
    background: var(--color-black);
    color: var(--color-white);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(245,197,24,0.08), transparent 70%);
    transform: translateX(-50%);
    pointer-events: none;
}
.cta-section .container { position: relative; }
.cta-section__title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    margin: 0 0 var(--space-lg);
}
.cta-section__desc {
    font-size: var(--font-size-lg);
    opacity: 0.7;
    max-width: 520px;
    margin: 0 auto var(--space-2xl);
    line-height: var(--line-height-relaxed);
}

/* ===== FOOTER ===== */
.site-footer {
    background: var(--color-black-soft);
    color: var(--color-gray-500);
    padding: var(--space-2xl) 0;
    border-top: 1px solid rgba(245,197,24,0.15);
}
.site-footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    text-align: center;
}
.site-footer .site-logo__text {
    color: var(--color-white);
    font-size: var(--font-size-lg);
    font-weight: 700;
}
.site-footer__tagline {
    margin: var(--space-xs) 0 0;
    font-size: var(--font-size-sm);
}
.site-footer__copy {
    font-size: var(--font-size-sm);
}
.site-footer__copy p { margin: 0; }

/* ===== PAGE HEADER (inner pages) ===== */
.page-header {
    position: relative;
    overflow: hidden;
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--space-3xl) 0;
    text-align: center;
}
.page-header__bg {
    position: absolute;
    inset: -30px;
    background-image: radial-gradient(circle, rgba(245,197,24,0.06) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: hero-drift 20s linear infinite;
    pointer-events: none;
}
.page-header__content {
    position: relative;
    z-index: 1;
}
.page-header__title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin: 0 0 var(--space-md);
}
.page-header__desc {
    font-size: var(--font-size-lg);
    opacity: 0.7;
    max-width: 520px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

/* ===== ASSESSMENT PAGE ===== */
.assessment-section {
    padding: var(--space-3xl) 0 var(--space-4xl);
    background: var(--color-gray-50);
}
.assessment-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: start;
}
.assessment-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-2xl);
}
.assessment-card__header {
    text-align: center;
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-gray-200);
}
.assessment-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--color-black);
    color: var(--color-yellow);
    margin-bottom: var(--space-md);
}
.assessment-card__icon svg {
    width: 28px;
    height: 28px;
}
.assessment-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0 0 var(--space-xs);
}
.assessment-card__subtitle {
    color: var(--color-text-muted);
    margin: 0;
    font-size: var(--font-size-base);
}

/* Assessment form */
.assess-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}
.form-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--color-gray-700);
}
.form-label svg {
    width: 18px;
    height: 18px;
    color: var(--color-yellow-dim);
    flex-shrink: 0;
}
.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-white);
    border: 1.5px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
    appearance: none;
    -webkit-appearance: none;
}
.form-input:focus {
    outline: none;
    border-color: var(--color-black);
    box-shadow: 0 0 0 3px rgba(245,197,24,0.2);
}
select.form-input {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}
.assess-form__submit {
    width: 100%;
    justify-content: center;
    margin-top: var(--space-sm);
}
.assess-form__submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Spinner animation for loading state */
@keyframes spin {
    to { transform: rotate(360deg); }
}
.spinner {
    animation: spin 1s linear infinite;
}

/* Result card */
.result-card {
    margin-top: var(--space-xl);
    padding: var(--space-2xl);
    border-radius: var(--radius-md);
    text-align: center;
    animation: result-appear 0.4s ease;
}
@keyframes result-appear {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}
.result-card--success {
    background: var(--color-off-white);
    border: 1px solid var(--color-gray-200);
}
.result-card--error {
    background: var(--color-error-bg);
    border: 1px solid var(--color-error-border);
}
.result-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}
.result-card__icon svg {
    width: 28px;
    height: 28px;
}
.result-card__icon--success {
    background: rgba(245,197,24,0.15);
    color: var(--color-yellow-dim);
}
.result-card__icon--error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
}
.result-card__badge {
    display: inline-block;
    background: var(--color-black);
    color: var(--color-yellow);
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: var(--space-xs) var(--space-md);
    border-radius: 999px;
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.result-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0 0 var(--space-sm);
}
.result-card__desc {
    color: var(--color-text-muted);
    margin: 0 0 var(--space-xl);
    line-height: var(--line-height-relaxed);
}

/* ===== ENROLL STEP (email capture) ===== */
.enroll-step {
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-gray-200);
}
.enroll-step__prompt {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gray-700);
    margin: 0 0 var(--space-md);
}
.enroll-step__input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}
.enroll-step__input {
    flex: 1;
    min-width: 0;
}
.enroll-step__btn {
    width: 100%;
    justify-content: center;
    white-space: nowrap;
}
.enroll-step__btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}
.enroll-step__success {
    text-align: center;
    padding: var(--space-lg) 0;
    animation: result-appear 0.4s ease;
}
.enroll-step__success-icon {
    width: 48px;
    height: 48px;
    color: var(--color-success);
    margin-bottom: var(--space-md);
}
.enroll-step__success-text {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin: 0 0 var(--space-sm);
}
.enroll-step__success-sub {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
}
.enroll-step__error {
    text-align: center;
    padding: var(--space-md);
    background: var(--color-error-bg);
    border: 1px solid var(--color-error-border);
    border-radius: var(--radius-sm);
    color: #b91c1c;
    font-size: var(--font-size-sm);
    animation: result-appear 0.4s ease;
}
.enroll-step__error p { margin: 0; }

/* Assessment sidebar */
.assessment-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}
.sidebar-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-xl);
}
.sidebar-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--color-black);
    color: var(--color-yellow);
    margin-bottom: var(--space-md);
}
.sidebar-card__icon svg {
    width: 20px;
    height: 20px;
}
.sidebar-card__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin: 0 0 var(--space-md);
}
.sidebar-card__desc {
    color: var(--color-text-muted);
    margin: 0;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}
.sidebar-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}
.sidebar-steps li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}
.sidebar-steps__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    background: var(--color-black);
    color: var(--color-yellow);
    font-weight: 700;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

/* ===== LEGACY (fallback pages) ===== */
.site-inner {
    max-width: var(--container-max);
    margin: var(--space-xl) auto;
    padding: 0 var(--container-pad);
}
.notice {
    padding: 12px;
    border-left: 4px solid var(--color-yellow);
    background: var(--color-off-white);
}

/* Legacy button class for assessment/dashboard pages */
.button {
    display: inline-block;
    padding: 10px 14px;
    background: var(--color-black);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition);
}
.button:hover {
    background: var(--color-yellow);
    color: var(--color-black);
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-in-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    transition-delay: var(--delay, 0s);
}
.fade-in-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (min-width: 640px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .programs-grid { grid-template-columns: repeat(2, 1fr); }

    .section-title { font-size: var(--font-size-3xl); }
    .hero-section__title { font-size: var(--font-size-4xl); }
    .page-header__title { font-size: var(--font-size-4xl); }
    .cta-section__title { font-size: var(--font-size-3xl); }
    .stat__value { font-size: var(--font-size-4xl); }

    .form-row { grid-template-columns: 1fr 1fr; }
    .assess-form__submit { width: auto; align-self: flex-start; }

    .enroll-step__input-group { flex-direction: row; }
    .enroll-step__btn { width: auto; }
}

@media (min-width: 768px) {
    .nav-toggle { display: none; }
    .nav-menu {
        display: flex !important;
        flex-direction: row;
        position: static;
        background: none;
        box-shadow: none;
        padding: 0;
        gap: var(--space-lg);
        align-items: center;
    }
    .nav-cta { display: inline-flex; }

    .steps {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-xl);
        position: relative;
    }
    .steps::before {
        content: '';
        position: absolute;
        top: 78px;
        left: calc(16.67% + 40px);
        right: calc(16.67% + 40px);
        height: 2px;
        background: var(--color-gray-200);
    }

    .programs-grid { grid-template-columns: repeat(3, 1fr); }
    .stats-grid { grid-template-columns: repeat(4, 1fr); }

    .assessment-layout { grid-template-columns: 1fr 320px; }
    .assessment-card { padding: var(--space-3xl); }

    .site-footer__inner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

@media (min-width: 1024px) {
    .features-grid { grid-template-columns: repeat(3, 1fr); }

    .hero-section { padding: 7rem 0; }
    .hero-section__title { font-size: var(--font-size-5xl); }

    .cta-section__title { font-size: var(--font-size-4xl); }
}