/* ══════════════════════════════════════════════════════════════════════════════
   Portfolio — content styles only (layout is in /static/css/layout.css)
   ══════════════════════════════════════════════════════════════════════════════ */

:root {
    /* ── Theme Colors (shared variable names for layout.css) ──────────────── */
    --bg-main: #F8F9FA;
    --bg-card: #FFFFFF;
    --bg-hover: #F1F3F5;
    --text-primary: #212529;
    --text-secondary: #6C757D;
    --text-muted: #ADB5BD;
    --accent: #007BFF;
    --accent-hover: #0056b3;
    --border: #DEE2E6;
    --shadow-sm: 0 .125rem .25rem rgba(0, 0, 0, .075);
    --shadow-md: 0 .25rem .75rem rgba(0, 0, 0, .075);
    --shadow-lg: 0 .5rem 1.5rem rgba(0, 0, 0, .1);

    /* ── Portfolio-specific colors ────────────────────────────────────────── */
    --accent-green: #28A745;
    --accent-orange: #FFC107;
    --accent-dark: #3391FF;
    --accent-green-dark: #38C172;
    --accent-orange-dark: #FFD02C;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body.dark-mode {
    --bg-main: #121212;
    --bg-card: #1E1E1E;
    --bg-hover: #2A2A2A;
    --text-primary: #E0E0E0;
    --text-secondary: #A0A0A0;
    --text-muted: #666666;
    --accent: #3391FF;
    --accent-hover: #007BFF;
    --border: #333333;
    --shadow-sm: 0 .125rem .25rem rgba(0, 0, 0, .2);
    --shadow-md: 0 .25rem .75rem rgba(0, 0, 0, .2);
    --shadow-lg: 0 .5rem 1.5rem rgba(0, 0, 0, .3);
}

/* ── Page Content Container (portfolio-specific inner wrapper) ─────────── */
.page-content-container {
    max-width: var(--content-max-width);
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

/* ── Consultation Header Button ───────────────────────────────────────────── */
.header-consultation-btn {
    padding: 0.6rem 1.2rem;
    background-color: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.9rem;
    transition: transform 0.2s, background 0.2s;
    white-space: nowrap;
    margin-top: 0.5rem;
}

.header-consultation-btn:hover {
    transform: translateY(-2px);
    background-color: var(--accent-hover);
}

.page-title-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

/* ── Payment Modal Styles ─────────────────────────────────────────────────── */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow-lg);
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    right: 1.5rem;
    top: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.payment-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 2rem 0;
}

.payment-btn {
    padding: 1rem;
    border: 2px solid var(--border);
    background: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    transition: all 0.2s;
}

.payment-btn:hover,
.payment-btn.selected {
    border-color: var(--accent);
    background-color: color-mix(in srgb, var(--accent) 10%, transparent);
}

.payment-btn.selected {
    background-color: var(--accent);
    color: white;
}

#customAmountContainer {
    margin-top: 1rem;
}

#customAmount {
    width: 100%;
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-main);
    color: var(--text-primary);
    box-sizing: border-box;
}

.pay-now-btn {
    width: 100%;
    padding: 1rem;
    background-color: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 1.5rem;
    transition: background 0.2s;
}

.pay-now-btn:hover {
    background-color: var(--accent-hover);
}

#qrContainer img {
    max-width: 250px;
    margin: 1.5rem auto;
    display: block;
}

.modal-step {
    display: none;
}

.modal-step.active {
    display: block;
}

.modal-description {
    text-align: left;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.loader {
    display: inline-block;
    width: 24px; height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin: 1rem auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Content Sections ─────────────────────────────────────────────────────── */
.section {
    margin-bottom: 3.5rem;
    background-color: var(--bg-card);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.experience-item:hover,
.advisor-item:hover,
.skill-category:hover,
.grid-item:hover,
.interest-item:hover,
.language-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.page-title-container {
    margin-bottom: 2rem;
    border-bottom: 3px solid var(--accent);
    padding-bottom: 1rem;
    transition: border-color 0.3s ease;
}

.tagline {
    font-size: 1.3rem;
    font-weight: 300;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

h2 {
    color: var(--accent);
    font-size: 1.75rem;
    margin-bottom: 2.5rem;
    font-weight: 600;
    display: inline-block;
    padding-bottom: 8px;
    position: relative;
    transition: color 0.3s ease;
}

h2::after {
    content: '';
    position: absolute;
    width: 60%;
    height: 3px;
    background-color: var(--accent);
    bottom: 0;
    left: 0;
    border-radius: 2px;
    transition: background-color 0.3s ease;
}

#about p {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out 0.1s, color 0.3s ease;
}

#about p.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.experience-item,
.advisor-item,
.skill-category,
.grid-item,
.interest-item {
    margin-bottom: 2rem;
    padding: 1.75rem;
    background-color: var(--bg-card);
    border-radius: 6px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.experience-item,
.advisor-item {
    border-left: 4px solid var(--accent);
}

.skill-category {
    border-top-width: 4px;
    border-top-style: solid;
    flex: 1;
    min-width: 250px;
}

.skill-category:nth-child(1) { border-top-color: var(--accent); }
.skill-category:nth-child(2) { border-top-color: var(--accent-green); }
.skill-category:nth-child(3) { border-top-color: var(--accent-orange); }

body.dark-mode .skill-category:nth-child(1) { border-top-color: var(--accent-dark); }
body.dark-mode .skill-category:nth-child(2) { border-top-color: var(--accent-green-dark); }
body.dark-mode .skill-category:nth-child(3) { border-top-color: var(--accent-orange-dark); }

.interest-item {
    border-left: 3px solid var(--accent-orange);
}

body.dark-mode .interest-item {
    border-left-color: var(--accent-orange-dark);
}

.experience-title {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    align-items: flex-start;
}

.experience-title h3 {
    color: var(--text-primary);
}

.experience-title .period {
    color: var(--text-secondary);
    background-color: color-mix(in srgb, var(--text-secondary) 15%, transparent);
    transition: color 0.3s ease, background-color 0.3s ease;
}

.company {
    color: var(--accent-hover);
    transition: color 0.3s ease;
}

body.dark-mode .company {
    color: var(--accent-dark);
}

.company a {
    color: var(--accent-hover);
}

body.dark-mode .company a {
    color: var(--accent-dark);
}

.achievements-title {
    color: var(--accent-green);
    transition: color 0.3s ease;
}

body.dark-mode .achievements-title {
    color: var(--accent-green-dark);
}

.achievements-title::before {
    color: var(--accent-green);
    transition: color 0.3s ease;
}

body.dark-mode .achievements-title::before {
    color: var(--accent-green-dark);
}

.achievements ul li::before {
    color: var(--accent-green);
    transition: color 0.3s ease;
}

body.dark-mode .achievements ul li::before {
    color: var(--accent-green-dark);
}

.skill-category h3 {
    color: var(--text-primary);
}

.skill-list li::before {
    color: var(--accent-green);
    transition: color 0.3s ease;
}

body.dark-mode .skill-list li::before {
    color: var(--accent-green-dark);
}

.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.interests-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.education-item p {
    color: var(--text-secondary);
}

.education-item p:first-child {
    color: var(--accent-hover);
}

body.dark-mode .education-item p:first-child {
    color: var(--accent-dark);
}

.education-item p:nth-child(2) {
    color: var(--text-primary);
}

.languages-card h3 {
    color: var(--text-primary);
}

.language-item {
    background-color: var(--bg-card);
    border-bottom-color: var(--accent);
    transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.language-name {
    color: var(--text-primary);
}

.language-level {
    color: var(--accent);
    background-color: color-mix(in srgb, var(--accent) 10%, transparent);
    transition: color 0.3s ease, background-color 0.3s ease;
}

/* ── Scroll Animation Styles ──────────────────────────────────────────────── */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

#about p.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out 0.1s, color 0.3s ease;
}

#passions p:first-of-type.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out 0.1s, color 0.3s ease;
}

.is-visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .page-wrapper {
        flex-direction: column;
        align-items: center;
        padding: 0 1rem;
    }

    .sidebar {
        width: 100%;
        max-width: var(--content-max-width);
        position: relative;
        height: auto;
        max-height: none;
        border-right: none;
        border-bottom: 1px solid var(--border);
        z-index: auto;
        padding: 1.5rem;
    }

    .main-content {
        margin-left: 0;
        padding: 2rem 1.5rem;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
        max-height: none;
        border-right: none;
        border-bottom: 1px solid var(--border);
        z-index: auto;
        padding: 1.5rem;
    }

    .main-content {
        margin-left: 0;
        padding: 1.5rem;
    }

    .profile-img {
        width: 120px;
        height: 120px;
        margin-bottom: 1.5rem;
    }

    h1 {
        font-size: 2rem;
    }

    .page-title-container {
        margin-bottom: 1.5rem;
        padding-bottom: 0.75rem;
    }

    .tagline {
        font-size: 1.1rem;
    }

    h2 {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .section,
    .experience-item,
    .advisor-item,
    .grid-item,
    .skill-category,
    .interest-item {
        padding: 1.5rem;
    }

    .experience-item:hover,
    .advisor-item:hover,
    .skill-category:hover,
    .grid-item:hover,
    .interest-item:hover,
    .language-item:hover {
        transform: none;
        box-shadow: var(--shadow-md);
    }
}