/* ============================================================================
   Home Page — RunCoach Hero & Form
   Bricolage Grotesque display headlines, warm off-white, cobalt blue + coral
   ========================================================================= */

/* ---- Hero Section ---- */
.hero {
    position: relative;
    min-height: calc(100vh - 60px);
    display: flex;
    align-items: center;
    padding: var(--space-12) 0 var(--space-16);
    overflow: hidden;
    background: var(--color-bg);
}

/* Animated gradient orbs for depth */
.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.45;
    animation: orbFloat 20s ease-in-out infinite;
}

.hero-orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(29, 78, 216, 0.2) 0%, transparent 70%);
    top: -10%;
    right: -5%;
    animation-delay: 0s;
}

.hero-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 98, 70, 0.12) 0%, transparent 70%);
    bottom: -5%;
    left: -8%;
    animation-delay: -7s;
}

.hero-orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(13, 148, 136, 0.10) 0%, transparent 70%);
    top: 40%;
    left: 50%;
    animation-delay: -14s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25%       { transform: translate(30px, -20px) scale(1.05); }
    50%       { transform: translate(-20px, 15px) scale(0.95); }
    75%       { transform: translate(15px, 25px) scale(1.03); }
}

/* Layout */
.hero-layout {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: var(--space-12);
    align-items: center;
}

/* ---- Hero Content (left) ---- */
.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 5px 14px 5px 10px;
    background: var(--color-primary-subtle);
    border: 1px solid rgba(29, 78, 216, 0.12);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--color-primary);
    letter-spacing: var(--tracking-wide);
    width: fit-content;
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(0.8); }
}

/* Large condensed headline */
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, var(--text-5xl));
    font-weight: 900;
    line-height: 0.95;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    color: var(--color-text);
    margin: 0;
}

.hero-title-accent {
    display: block;
    color: var(--color-primary);
    background: none;
    -webkit-text-fill-color: var(--color-primary);
    -webkit-background-clip: unset;
    background-clip: unset;
}

.hero-subtitle {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: var(--color-text-secondary);
    max-width: 480px;
    margin: 0;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
}

.hero-feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-md);
    background: var(--color-success-subtle);
    color: var(--color-success);
    flex-shrink: 0;
}

/* ---- Form Card (right) ---- */
.hero-form-wrap {
    position: relative;
}

.form-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    animation: slideUp var(--duration-slower) var(--ease-out) both;
    animation-delay: 200ms;
}

.form-card-header {
    margin-bottom: var(--space-6);
}

.form-card-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 var(--space-1) 0;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.form-card-desc {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin: 0;
}

.form-alert {
    margin-bottom: var(--space-5);
    animation: slideDown var(--duration-slow) var(--ease-out);
}

.form-alert .alert {
    margin-bottom: 0;
}

/* Input with unit label */
.input-with-unit {
    position: relative;
}

.input-with-unit .form-input {
    padding-right: 56px;
}

.input-unit {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-muted);
    pointer-events: none;
}

/* Select wrapper with custom chevron */
.select-wrap {
    position: relative;
}

.select-wrap .form-select {
    padding-right: 40px;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23A09A93' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='M4 6l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
}

/* Two-column row */
.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

/* Submit button */
.form-submit {
    margin-top: var(--space-2);
    gap: var(--space-2);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: var(--text-lg) !important;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.form-submit svg {
    transition: transform var(--duration-base) var(--ease-out);
}

.form-submit:hover svg {
    transform: translateX(3px);
}

/* ---- Stats Strip ---- */
.stats-strip {
    padding: var(--space-12) 0;
    border-top: 1px solid var(--color-border-subtle);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.stat-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-6);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--duration-base) var(--ease-out);
}

.stat-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.stat-card-value {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 0.01em;
}

.stat-card-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

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

@media (max-width: 960px) {
    .hero-layout {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .hero {
        padding: var(--space-8) 0 var(--space-12);
        min-height: auto;
    }

    .hero-content {
        text-align: center;
        align-items: center;
    }

    .hero-subtitle {
        max-width: 520px;
    }

    .hero-features {
        align-items: center;
    }

    .hero-form-wrap {
        max-width: 480px;
        margin: 0 auto;
        width: 100%;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: var(--space-6) 0 var(--space-8);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: var(--text-base);
    }

    .form-card {
        padding: var(--space-6);
        border-radius: var(--radius-xl);
    }

    .form-row-2 {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }

    .stat-card {
        padding: var(--space-4);
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }

    .hero-orb-1 { width: 300px; height: 300px; }
    .hero-orb-2 { width: 250px; height: 250px; }
    .hero-orb-3 { display: none; }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .form-card {
        padding: var(--space-5);
    }

    .form-card-title {
        font-size: var(--text-xl);
    }
}

/* ============================================================================
   Animations
   ========================================================================= */

@keyframes slideUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================================
   Dark Mode Overrides
   ========================================================================= */

/* Select chevron: lighter grey so it's visible on dark input backgrounds */
[data-theme="dark"] .select-wrap .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23A0A0A0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='M4 6l4 4 4-4'/%3e%3c/svg%3e");
}

/* ---- Collapsible race fields toggle ---- */
.form-collapsible { margin-bottom: 0; }

.form-collapsible-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-3);
    background: var(--color-bg-sunken);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
    transition: all var(--duration-fast) var(--ease-out);
}

.form-collapsible-toggle:hover {
    background: var(--color-primary-subtle);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.form-collapsible-toggle .chevron-icon {
    transition: transform var(--duration-fast) var(--ease-out);
}

.form-collapsible-toggle.open .chevron-icon {
    transform: rotate(180deg);
}

.form-collapsible-content {
    margin-top: var(--space-3);
    animation: slideDown var(--duration-base) var(--ease-out);
}

/* ── Profile Toggle ── */
.profile-toggle-group {
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-subtle);
    border-radius: var(--radius-lg);
    border: 1.5px solid var(--color-border-subtle);
}

.toggle-label {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
}

.toggle-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-wrap {
    flex-shrink: 0;
    margin-top: 2px;
}

.toggle-track {
    display: block;
    width: 40px;
    height: 22px;
    border-radius: 11px;
    background: var(--color-border);
    position: relative;
    transition: background 150ms ease;
}

.toggle-input:checked + .toggle-track {
    background: var(--color-primary);
}

.toggle-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    transition: transform 150ms ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.toggle-input:checked + .toggle-track .toggle-thumb {
    transform: translateX(18px);
}

.toggle-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.toggle-text strong {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-text);
}

.toggle-text .form-help {
    margin: 0;
}