/* ==========================================================================
   Crafting Coral — Course Subdomain Styles
   Matches brand: craftingcoral.com
   ========================================================================== */

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-deep: #0c3547;
    --color-primary: #42718f;
    --color-primary-light: #5a8fad;
    --color-accent: #5ba4c9;
    --color-sand: #f5f0eb;
    --color-sand-dark: #e8e0d8;
    --color-white: #ffffff;
    --color-text: #1a2a35;
    --color-text-light: #5a7080;
    --color-text-muted: #8a9baa;
    --color-success: #2e8b57;
    --color-danger: #c0392b;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --container-width: 1100px;
    --nav-height: 72px;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 2px 20px rgba(12, 53, 71, 0.08);
    --shadow-lg: 0 8px 40px rgba(12, 53, 71, 0.12);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-primary-light);
}

h1, h2, h3, h4 {
    line-height: 1.3;
    font-weight: 600;
    color: var(--color-deep);
}

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


/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(12, 53, 71, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo img {
    height: 36px;
    width: auto;
    filter: brightness(0) invert(1);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--color-white);
}

.nav-email {
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
}


/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-family: var(--font-family);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.25s ease;
    text-align: center;
}

.btn-primary {
    background: var(--color-white);
    color: var(--color-deep);
}

.btn-primary:hover {
    background: var(--color-sand);
    color: var(--color-deep);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-secondary:hover {
    background: var(--color-primary-light);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(66, 113, 143, 0.3);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 17px;
    border-radius: var(--radius-lg);
}

.btn-full {
    display: block;
    width: 100%;
}


/* --- Sales Page: Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(165deg, #0a2e3f 0%, #0c3547 30%, #1a5570 60%, #42718f 100%);
    overflow: hidden;
    padding: calc(var(--nav-height) + 40px) 24px 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(90, 143, 173, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 30%, rgba(66, 113, 143, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 720px;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-sub {
    font-size: clamp(1.05rem, 2.5vw, 1.25rem);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
    line-height: 1.6;
}

.hero .btn {
    margin-bottom: 16px;
}

.hero-note {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}


/* --- Sales Page: What's Inside --- */
.whats-inside {
    padding: 100px 24px;
    background: var(--color-white);
}

.whats-inside h2 {
    text-align: center;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 56px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
}

.feature-card {
    text-align: center;
    padding: 32px 20px;
    border-radius: var(--radius-lg);
    background: var(--color-sand);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--color-deep);
    color: var(--color-white);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
}


/* --- Sales Page: Why This Matters --- */
.why-matters {
    padding: 100px 24px;
    background: var(--color-deep);
    color: var(--color-white);
}

.why-content {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}

.why-matters h2 {
    color: var(--color-white);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 24px;
}

.why-matters p {
    font-size: clamp(1.05rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}


/* --- Sales Page: Blurred Preview --- */
.preview-section {
    padding: 80px 24px 100px;
    background: var(--color-sand);
}

.preview-section h2 {
    text-align: center;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 8px;
}

.preview-subtitle {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.1rem;
    margin-bottom: 48px;
}

.preview-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.preview-blur {
    background: var(--color-sand);
    padding: 36px 32px 40px;
    filter: blur(5px);
    user-select: none;
    pointer-events: none;
}

.preview-header {
    margin-bottom: 28px;
}

.preview-header h3 {
    font-size: 1.4rem;
    margin-bottom: 4px;
}

.preview-header p {
    color: var(--color-text-light);
    font-size: 14px;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.preview-card {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 24px 20px;
    box-shadow: var(--shadow);
}

.preview-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    background: var(--color-deep);
    color: var(--color-white);
    margin-bottom: 14px;
}

.preview-card h4 {
    font-size: 1rem;
    margin-bottom: 6px;
    color: var(--color-deep);
}

.preview-card p {
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.5;
    margin-bottom: 14px;
}

.preview-btn {
    display: inline-block;
    padding: 8px 18px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
}

.preview-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, rgba(245, 240, 235, 0.3) 0%, rgba(245, 240, 235, 0.7) 50%, rgba(245, 240, 235, 0.95) 100%);
}

.preview-overlay-content {
    text-align: center;
    padding: 40px;
}

.preview-overlay-content h3 {
    font-size: 1.6rem;
    margin-bottom: 8px;
    color: var(--color-deep);
}

.preview-overlay-content p {
    color: var(--color-text-light);
    font-size: 1.05rem;
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .preview-grid {
        grid-template-columns: 1fr;
    }

    .preview-blur {
        padding: 24px 20px;
    }
}


/* --- Sales Page: Who It's For --- */
.who-for {
    padding: 80px 24px;
    background: var(--color-sand);
    text-align: center;
}

.who-for h2 {
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    margin-bottom: 16px;
}

.who-for p {
    max-width: 640px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.7;
}


/* --- Sales Page: Pricing --- */
.pricing {
    padding: 100px 24px;
    background: var(--color-white);
}

.pricing-card {
    max-width: 440px;
    margin: 0 auto;
    text-align: center;
    padding: 48px 40px;
    border-radius: var(--radius-lg);
    background: var(--color-deep);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.pricing-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.pricing-amount {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 4px;
}

.pricing-detail {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 28px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 13px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
}

.pricing .btn-primary:hover {
    background: var(--color-white);
}


/* --- Dashboard --- */
.dashboard-hero {
    padding: calc(var(--nav-height) + 60px) 24px 40px;
    background: linear-gradient(165deg, #0a2e3f 0%, #0c3547 50%, #1a5570 100%);
    color: var(--color-white);
}

.dashboard-hero h1 {
    color: var(--color-white);
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    margin-bottom: 12px;
}

.dashboard-hero p {
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    font-size: 1.05rem;
}

.materials {
    padding: 60px 24px 100px;
    background: var(--color-sand);
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.material-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    box-shadow: var(--shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    display: flex;
    flex-direction: column;
}

.material-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.material-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: var(--radius);
    background: var(--color-deep);
    color: var(--color-white);
    margin-bottom: 20px;
}

.material-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.material-card p {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 20px;
    flex-grow: 1;
}

.material-card .btn {
    align-self: flex-start;
    font-size: 14px;
    padding: 10px 22px;
}

.material-files {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
}

.material-file-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--color-sand);
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-primary);
    transition: background 0.2s ease;
    word-break: break-all;
}

.material-file-link:hover {
    background: var(--color-sand-dark);
    color: var(--color-deep);
}

.material-file-link svg {
    flex-shrink: 0;
}


/* --- Auth Pages --- */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--nav-height) + 40px) 24px 60px;
    background: var(--color-sand);
}

.auth-card {
    max-width: 440px;
    width: 100%;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.auth-card h1 {
    font-size: 1.6rem;
    margin-bottom: 8px;
}

.auth-card > p {
    color: var(--color-text-light);
    margin-bottom: 28px;
    font-size: 15px;
}

.auth-form {
    text-align: left;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form-group input {
    display: block;
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-family);
    font-size: 15px;
    border: 2px solid var(--color-sand-dark);
    border-radius: var(--radius);
    background: var(--color-white);
    color: var(--color-text);
    transition: border-color 0.2s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group input::placeholder {
    color: var(--color-text-muted);
}

.auth-form .btn {
    margin-top: 4px;
}

.auth-footer-link {
    margin-top: 24px;
    font-size: 14px;
}

.auth-footer-link a {
    color: var(--color-text-light);
}

.auth-footer-link a:hover {
    color: var(--color-primary);
}


/* --- Alerts --- */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    font-size: 14px;
    margin-bottom: 24px;
    text-align: left;
}

.alert-success {
    background: #eef7f1;
    color: var(--color-success);
    border: 1px solid #c8e6d0;
}


/* --- Footer --- */
.footer {
    background: var(--color-deep);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 24px 0;
}

.footer-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand img {
    height: 28px;
    filter: brightness(0) invert(1);
    margin-bottom: 10px;
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-links {
    display: flex;
    gap: 28px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 20px 0;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
}


/* --- Responsive --- */
@media (max-width: 768px) {
    .nav-inner {
        padding: 0 16px;
    }

    .nav-logo img {
        height: 28px;
    }

    .nav-links {
        gap: 12px;
    }

    .nav-link {
        font-size: 12px;
    }

    .nav-link svg {
        display: none;
    }

    .nav-email {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: calc(var(--nav-height) + 60px) 16px 80px;
    }

    .features-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .feature-card {
        padding: 24px 16px;
    }

    .materials-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card {
        padding: 36px 28px;
    }

    .auth-card {
        padding: 36px 24px;
    }

    /* Preview section - compact on mobile */
    .preview-section {
        padding: 48px 16px 60px;
    }

    .preview-section h2 {
        font-size: 1.3rem;
        margin-bottom: 4px;
    }

    .preview-subtitle {
        font-size: 0.9rem;
        margin-bottom: 24px;
    }

    .preview-wrapper {
        max-height: 320px;
    }

    .preview-blur {
        padding: 16px 14px 20px;
    }

    .preview-header {
        margin-bottom: 12px;
    }

    .preview-header h3 {
        font-size: 0.95rem;
        margin-bottom: 2px;
    }

    .preview-header p {
        font-size: 12px;
    }

    .preview-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .preview-card {
        padding: 10px;
    }

    .preview-card-icon {
        width: 32px;
        height: 32px;
        margin-bottom: 6px;
        border-radius: 6px;
    }

    .preview-card-icon svg {
        width: 18px;
        height: 18px;
    }

    .preview-card h4 {
        font-size: 0.75rem;
        margin-bottom: 0;
    }

    .preview-card p,
    .preview-btn {
        display: none;
    }

    .preview-overlay-content {
        padding: 20px;
    }

    .preview-overlay-content svg {
        width: 32px;
        height: 32px;
        margin-bottom: 10px !important;
    }

    .preview-overlay-content h3 {
        font-size: 1.1rem;
        margin-bottom: 6px;
    }

    .preview-overlay-content p {
        font-size: 0.85rem;
        margin-bottom: 16px;
    }

    .preview-overlay-content .btn-lg {
        padding: 12px 24px;
        font-size: 14px;
    }

    .footer-inner {
        flex-direction: column;
        gap: 24px;
    }

    .footer-links {
        flex-direction: column;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .btn-lg {
        padding: 14px 28px;
        font-size: 16px;
    }
}