/* ============================================
   Photography Portfolio — Modern Stylesheet
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --color-bg: #0a0a0a;
    --color-surface: #141414;
    --color-surface-hover: #1e1e1e;
    --color-text: #f0f0f0;
    --color-text-muted: #999;
    --color-accent: #e8a045;
    --color-accent-hover: #f0b565;
    --color-white: #ffffff;
    --color-overlay: rgba(0, 0, 0, 0.92);
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --nav-height: 72px;
    --radius: 8px;
    --radius-lg: 16px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

/* --- Navigation --- */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 clamp(1rem, 4vw, 3rem);
    z-index: 1000;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent);
    transition: background var(--transition);
}

.site-nav.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.nav-brand {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.02em;
    transition: color var(--transition);
}

.nav-brand:hover {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    position: relative;
    padding: 0.25rem 0;
    transition: color var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-accent);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-social {
    font-size: 1.25rem;
    color: var(--color-text);
    transition: color var(--transition), transform var(--transition);
}

.nav-social:hover {
    color: var(--color-accent);
    transform: scale(1.15);
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown > a .fa-chevron-down {
    transition: transform var(--transition);
    margin-left: 2px;
}

.nav-dropdown:hover > a .fa-chevron-down {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(20, 20, 20, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    list-style: none;
    min-width: 160px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(8px);
    transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
    box-shadow: var(--shadow);
    z-index: 1001;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.6rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    transition: color var(--transition), background var(--transition);
    white-space: nowrap;
}

.dropdown-menu a::after {
    display: none;
}

.dropdown-menu a:hover,
.dropdown-menu a.active {
    color: var(--color-accent);
    background: rgba(255, 255, 255, 0.04);
}

/* Mobile hamburger */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    margin: 6px 0;
    transition: var(--transition);
    border-radius: 2px;
}

.nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('https://webphotositestorage01.blob.core.windows.net/background/Homepage.jpg') center/cover no-repeat;
    z-index: -2;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.15) 50%,
        rgba(10, 10, 10, 0.8) 100%
    );
    z-index: -1;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1rem;
    line-height: 1.15;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease forwards 0.3s;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    font-weight: 300;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin-bottom: 2.5rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease forwards 0.6s;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    background: var(--color-accent);
    color: var(--color-bg);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 50px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    transition: background var(--transition), transform var(--transition);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease forwards 0.9s;
}

.hero-cta:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    animation: fadeUp 1s ease forwards 1.2s;
}

.scroll-indicator span {
    display: block;
    width: 2px;
    height: 40px;
    background: rgba(255, 255, 255, 0.4);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    border-radius: 2px;
}

.scroll-indicator span::after {
    content: '';
    position: absolute;
    top: -100%;
    width: 100%;
    height: 50%;
    background: var(--color-accent);
    animation: scrollDown 1.8s ease infinite;
}

/* --- Page Hero (inner pages) --- */
.page-hero {
    position: relative;
    min-height: 50vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(var(--nav-height) + 2rem) 2rem 3rem;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.5) 0%,
        rgba(10, 10, 10, 0.85) 100%
    );
    z-index: -1;
}

.page-hero--about::before {
    background-image: url('https://webphotositestorage01.blob.core.windows.net/background/AboutMe.jpg');
}

.page-hero--portfolio::before {
    background-image: url('https://webphotositestorage01.blob.core.windows.net/background/Portfolio.jpg');
}

.page-hero--contact::before {
    background-image: url('https://webphotositestorage01.blob.core.windows.net/background/Portfolio.jpg');
}

.page-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards 0.2s;
}

.page-description {
    font-size: clamp(1rem, 2vw, 1.15rem);
    font-weight: 300;
    color: rgba(255, 255, 255, 0.75);
    max-width: 650px;
    line-height: 1.7;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards 0.4s;
}

/* --- Section Wrapper --- */
.section {
    padding: 5rem clamp(1rem, 4vw, 3rem);
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--color-text);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--color-accent);
    margin: 0.75rem auto 0;
    border-radius: 2px;
}

/* Link style for portfolio category titles */
.section-title a {
    color: var(--color-text);
    transition: color var(--transition);
}

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

/* --- About Content --- */
.about-content {
    max-width: 750px;
    margin: 0 auto 4rem;
    text-align: center;
}

.about-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
}

.about-content p:last-child {
    margin-bottom: 0;
}

/* --- Photo Gallery --- */
.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    max-width: var(--max-width);
    margin: 0 auto 4rem;
    padding: 0 clamp(1rem, 4vw, 3rem);
}

.gallery--portrait {
    grid-template-columns: repeat(3, 1fr);
}

.gallery--landscape {
    grid-template-columns: repeat(2, 1fr);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease, filter 0.5s ease;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.4), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.gallery-item:hover::after {
    opacity: 1;
}

/* --- Lightbox Overlay --- */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--color-overlay);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 1rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-image {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius);
    cursor: default;
    animation: zoomIn 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 2rem;
    color: var(--color-white);
    cursor: pointer;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition), transform var(--transition);
    line-height: 1;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: rotate(90deg);
}

.lightbox-nav {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.lightbox-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.7rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    cursor: pointer;
    font-size: 0.9rem;
    font-family: var(--font-body);
    transition: background var(--transition), border-color var(--transition);
    user-select: none;
}

.lightbox-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Side arrow buttons (desktop) */
.lightbox-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    color: var(--color-white);
    background: rgba(0, 0, 0, 0.4);
    border: none;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition);
}

.lightbox-arrow:hover {
    background: rgba(255, 255, 255, 0.15);
}

.lightbox-arrow--prev {
    left: 1.5rem;
}

.lightbox-arrow--next {
    right: 1.5rem;
}

.lightbox-counter {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-top: 0.75rem;
}

/* --- Contact Form --- */
.contact-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 3rem clamp(1rem, 4vw, 3rem) 5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(232, 160, 69, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    background: var(--color-accent);
    color: var(--color-bg);
    font-weight: 600;
    font-size: 0.95rem;
    font-family: var(--font-body);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    transition: background var(--transition), transform var(--transition);
    align-self: flex-start;
}

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

/* --- Footer --- */
.site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 2.5rem clamp(1rem, 4vw, 3rem);
    text-align: center;
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-social {
    display: flex;
    gap: 1.25rem;
}

.footer-social a {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    transition: color var(--transition), transform var(--transition);
}

.footer-social a:hover {
    color: var(--color-accent);
    transform: translateY(-2px);
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* --- 404 Page --- */
.error-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    background: var(--color-bg);
}

.error-code {
    font-family: var(--font-heading);
    font-size: clamp(5rem, 15vw, 10rem);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 0.5rem;
    opacity: 0.15;
}

.error-title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: var(--color-white);
    margin-bottom: 1rem;
}

.error-text {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    max-width: 400px;
}

.error-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 2rem;
    background: var(--color-accent);
    color: var(--color-bg);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    transition: background var(--transition), transform var(--transition);
}

.error-link:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

/* --- Animations --- */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scrollDown {
    0% { top: -100%; }
    100% { top: 100%; }
}

/* Fade-in on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        inset: 0;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        justify-content: center;
        gap: 2.5rem;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .nav-links a {
        font-size: 1.5rem;
    }

    .nav-dropdown {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .dropdown-menu {
        position: static;
        background: transparent;
        border: none;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        box-shadow: none;
        transform: none;
        min-width: 0;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        opacity: 1;
        visibility: visible;
        transition: max-height 0.35s ease, padding 0.35s ease;
    }

    .nav-dropdown.open .dropdown-menu {
        max-height: 200px;
        padding: 0.75rem 0;
    }

    .nav-dropdown:hover .dropdown-menu {
        max-height: 0;
        padding: 0;
    }

    .nav-dropdown.open:hover .dropdown-menu {
        max-height: 200px;
        padding: 0.75rem 0;
    }

    .dropdown-menu a {
        font-size: 1.1rem;
        padding: 0.5rem 1rem;
        text-align: center;
        color: var(--color-text-muted);
    }

    .dropdown-menu a:hover,
    .dropdown-menu a.active {
        background: transparent;
    }

    .nav-toggle {
        display: block;
    }

    .nav-social {
        display: none;
    }

    .gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .gallery--portrait {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery--landscape {
        grid-template-columns: repeat(2, 1fr);
    }

    .lightbox-arrow {
        display: none;
    }

    .lightbox-nav {
        display: flex;
    }

    .page-hero {
        min-height: 40vh;
    }
}

@media (min-width: 769px) {
    .lightbox-nav {
        display: none;
    }

    .lightbox-arrow {
        display: flex;
    }
}

@media (max-width: 480px) {
    .gallery {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .gallery--portrait {
        grid-template-columns: 1fr;
    }

    .gallery--landscape {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2rem;
    }
}