/* Custom variables matching user's exact design assets */
:root {
    --bg-base: #fdf8f2;
    --bg-wave: #c2a383;
    --text-primary: #b08d68;
    --text-dark: #5c4630;
    --button-bg: #dcbfa2;
    --button-text: #ffffff;
    --glow-color: rgba(194, 163, 131, 0.6);
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Poppins', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-base);
    font-family: var(--font-body);
    color: var(--text-dark);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden;
    position: relative;
}

/* Top Wave Accent */
.top-wave-container {
    position: absolute;
    top: 0;
    width: 100%;
    height: 240px;
    z-index: 1;
}
.top-wave-container svg {
    width: 100%;
    height: 100%;
}

/* Content Frame Container */
.portfolio-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 500px;
    padding: 40px 24px 120px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Header Avatar Elements */
.profile-header {
    text-align: center;
    margin-top: 20px;
    margin-bottom: 30px;
    width: 100%;
}

.curved-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: #ffffff;
    margin-bottom: 15px;
    text-shadow: 0px 4px 10px rgba(0, 0, 0, 0.15);
}

.profile-avatar-wrapper {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 0 auto 25px auto;
}

.profile-avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #ffffff;
    box-shadow: 0px 8px 24px rgba(92, 70, 48, 0.15);
    position: relative;
    z-index: 2;
}

.animated-ring {
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border-radius: 50%;
    border: 2px dashed var(--bg-wave);
    animation: rotateRing 20s linear infinite;
    z-index: 1;
}

@keyframes rotateRing {
    100% { transform: rotate(360deg); }
}

.tagline {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.6;
    text-transform: uppercase;
    padding: 0 10px;
}

/* Timeline Layout Navigation Buttons */
.navigation-timeline {
    position: relative;
    width: 100%;
    margin-bottom: 30px;
}

.center-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--bg-wave);
    transform: translateX(-50%);
    z-index: 1;
}

.nav-row {
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.nav-btn {
    width: 46%;
    padding: 14px 10px;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 500;
    letter-spacing: 1px;
    background-color: var(--button-bg);
    color: var(--button-text);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0px 4px 10px rgba(0,0,0,0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
}

.nav-btn:hover {
    transform: translateY(-3px);
    background-color: var(--bg-wave);
    box-shadow: 0px 6px 15px rgba(194, 163, 131, 0.4);
}

/* Music Button Active Pulsing State */
.nav-btn.music-playing {
    background-color: var(--bg-wave);
    animation: glowPulse 1.5s infinite alternate;
}

@keyframes glowPulse {
    0% { box-shadow: 0 0 5px var(--glow-color); }
    100% { box-shadow: 0 0 20px var(--glow-color); }
}

/* Content Container Cards */
.content-display-area {
    width: 100%;
}

.content-section {
    display: none;
    background: #ffffff;
    padding: 25px;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(92, 70, 48, 0.06);
    margin-top: 10px;
    animation: smoothSlideUp 0.5s ease forwards;
}

.content-section.active {
    display: block;
}

@keyframes smoothSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.content-section h3 {
    font-family: var(--font-heading);
    color: var(--text-dark);
    font-size: 1.6rem;
    margin-bottom: 15px;
    border-bottom: 2px solid var(--bg-base);
    padding-bottom: 5px;
}

.content-section p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 12px;
    color: #6e5843;
}

/* Services Presentation Design */
.services-list {
    list-style: none;
}

.services-list li {
    padding: 12px 15px;
    background: var(--bg-base);
    margin-bottom: 10px;
    border-radius: 12px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: transform 0.2s ease;
}

.services-list li:hover {
    transform: translateX(5px);
    color: var(--text-primary);
}

.services-list li i {
    color: var(--bg-wave);
    width: 20px;
}

/* Contact Module Styling */
.contact-card a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
}
.contact-card a:hover {
    text-decoration: underline;
}
.contact-card p {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Sticky Bottom Footer Navigation Bar */
.social-footer {
    position: fixed;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    width: calc(100% - 48px);
    max-width: 450px;
}

.social-bar {
    background-color: var(--button-bg);
    border-radius: 50px;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0px 8px 30px rgba(92, 70, 48, 0.2);
}

.social-trigger-btn {
    background: none;
    border: none;
    color: var(--button-text);
    font-size: 1.4rem;
    cursor: pointer;
    transition: transform 0.2s ease, color 0.2s ease;
    padding: 5px;
}

.social-trigger-btn:hover {
    transform: scale(1.2);
    color: var(--text-dark);
}

/* Bottom Sheet Drawer Modal Mechanism */
.popup-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(92, 70, 48, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.popup-backdrop.show {
    opacity: 1;
    pointer-events: auto;
}

.bottom-popup {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translate(-50%, 100%);
    width: 100%;
    max-width: 500px;
    background: #ffffff;
    border-top-left-radius: 30px;
    border-top-right-radius: 30px;
    padding: 25px 24px 40px 24px;
    box-shadow: 0px -10px 40px rgba(0,0,0,0.15);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
    z-index: 101;
}

.popup-backdrop.show .bottom-popup {
    transform: translate(-50%, 0);
}

.popup-drag-handle {
    width: 40px;
    height: 5px;
    background-color: #e0d5c8;
    border-radius: 10px;
    margin: 0 auto 20px auto;
}

.bottom-popup h4 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 20px;
}

.popup-links-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.popup-link-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 14px 20px;
    background-color: var(--bg-base);
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    border-radius: 16px;
    transition: all 0.2s ease;
}

.popup-link-item:hover {
    background-color: var(--button-bg);
    color: white;
    transform: scale(1.01);
}

.popup-link-item i {
    font-size: 1.3rem;
    color: var(--bg-wave);
}
.popup-link-item:hover i {
    color: white;
}

.close-popup-btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 50px;
    background-color: #f0e6dc;
    color: var(--text-dark);
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.close-popup-btn:hover {
    background-color: #e5d8cc;
}