/* ===================================================================
   Manuel Zorrilla - Portfolio Styles
   Modern Neumorphic Design with Enhanced Visuals
   =================================================================== */

/* ===================================================================
   CSS Variables - Design Tokens
   =================================================================== */
:root {
    /* Primary Colors */
    --primary-color: #1DA1F2;
    --primary-dark: #1a8cd8;
    --primary-light: #20b6ff;

    /* Neumorphic Colors */
    --bg-main: #f5f1e8;
    --shadow-dark: #d4c4a8;
    --shadow-light: #faf8f3;

    /* Text Colors */
    --text-primary: #333;
    --text-secondary: #666;
    --text-tertiary: #555;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-warm: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-cool: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-sunset: linear-gradient(135deg, #fa709a 0%, #fee140 100%);

    /* Shadows */
    --shadow-sm: 4px 4px 8px var(--shadow-dark), -4px -4px 8px var(--shadow-light);
    --shadow-md: 6px 6px 12px var(--shadow-dark), -6px -6px 12px var(--shadow-light);
    --shadow-lg: 14px 14px 20px var(--shadow-dark), -14px -14px 20px var(--shadow-light);
    --shadow-inset-sm: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
    --shadow-inset-md: inset 6px 6px 12px var(--shadow-dark), inset -6px -6px 12px var(--shadow-light);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;

    /* Border Radius */
    --radius-sm: 10px;
    --radius-md: 15px;
    --radius-lg: 20px;
    --radius-xl: 25px;
    --radius-round: 50%;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-index */
    --z-header: 1000;
    --z-modal: 9999;
    --z-preloader: 9999;
}

/* ===================================================================
   Base Styles
   =================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg-main);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Selection Color */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}

/* ===================================================================
   Header & Navigation
   =================================================================== */
header {
    width: 100%;
    background: var(--bg-main);
    box-shadow: var(--shadow-md);
    position: fixed;
    top: 0;
    z-index: var(--z-header);
    padding: 1rem 0;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

header.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-lg);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    width: 200px;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.logo:hover {
    box-shadow: 2px 2px 4px var(--shadow-dark), -2px -2px 4px var(--shadow-light);
    transform: translateY(-2px);
}

/* Navigation */
nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 1rem;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    position: relative;
}

.nav-menu li a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 12px 20px;
    border-radius: var(--radius-xl);
    background: var(--bg-main);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    display: block;
    position: relative;
    overflow: hidden;
}

/* Ripple effect on nav links */
.nav-menu li a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: var(--radius-round);
    background: rgba(29, 161, 242, 0.2);
    transform: translate(-50%, -50%);
    transition: width var(--transition-fast), height var(--transition-fast);
}

.nav-menu li a:hover::before {
    width: 200px;
    height: 200px;
}

.nav-menu li a:hover {
    box-shadow: var(--shadow-inset-sm);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.nav-menu li a.active {
    box-shadow: var(--shadow-inset-sm);
    color: var(--primary-color);
    background: linear-gradient(145deg, #e8e4dc, #fff8f0);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 24px;
    padding: 10px;
    border-radius: var(--radius-round);
    background: var(--bg-main);
    box-shadow: var(--shadow-sm);
    border: none;
    transition: all var(--transition-normal);
}

.menu-toggle:hover {
    box-shadow: var(--shadow-inset-sm);
    transform: rotate(90deg);
}

/* ===================================================================
   Main Container & Cards
   =================================================================== */
.main-container {
    margin-top: 100px;
    padding: var(--spacing-md);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* Neumorphic Card with Gradient Accent */
.neomorphic-card {
    background: var(--bg-main);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin: var(--spacing-md) 0;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

/* Subtle gradient overlay on cards */
.neomorphic-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.1) 0%, rgba(29, 161, 242, 0.02) 100%);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.neomorphic-card:hover::before {
    opacity: 1;
}

.neomorphic-card:hover {
    box-shadow: 10px 10px 15px var(--shadow-dark), -10px -10px 15px var(--shadow-light);
    transform: translateY(-4px);
}

/* ===================================================================
   Profile Section
   =================================================================== */
.profile-section {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.profile-image {
    width: 200px;
    height: 200px;
    border-radius: var(--radius-round);
    margin: 0 auto 2rem;
    box-shadow: 7px 7px 14px var(--shadow-dark), -7px -7px 14px var(--shadow-light);
    object-fit: cover;
    transition: all var(--transition-normal);
    position: relative;
}

.profile-image:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow: 10px 10px 20px var(--shadow-dark), -10px -10px 20px var(--shadow-light);
}

.profile-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 1rem;
    letter-spacing: 1px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {

    0%,
    100% {
        filter: hue-rotate(0deg);
    }

    50% {
        filter: hue-rotate(10deg);
    }
}

.profile-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* ===================================================================
   Typography
   =================================================================== */
.page-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: var(--spacing-md);
    letter-spacing: 1px;
}

.content-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-primary);
    text-align: justify;
    margin-bottom: 1.5rem;
}

/* ===================================================================
   Buttons
   =================================================================== */
.neomorphic-button {
    background: var(--bg-main);
    border: none;
    padding: 15px 30px;
    border-radius: var(--radius-xl);
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-block;
    margin: 0.5rem;
    position: relative;
    overflow: hidden;
}

/* Ripple effect */
.neomorphic-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: var(--radius-round);
    background: rgba(29, 161, 242, 0.3);
    transform: translate(-50%, -50%);
    transition: width var(--transition-fast), height var(--transition-fast);
}

.neomorphic-button:active::after {
    width: 300px;
    height: 300px;
    transition: 0s;
}

.neomorphic-button:hover {
    box-shadow: var(--shadow-inset-md);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.neomorphic-button.primary {
    color: white;
    background: var(--gradient-primary);
    box-shadow: var(--shadow-md);
}

.neomorphic-button.primary:hover {
    box-shadow: inset 6px 6px 12px rgba(0, 0, 0, 0.1), inset -6px -6px 12px rgba(255, 255, 255, 0.1);
    transform: translateY(-2px) scale(1.02);
}

/* Back Button with Arrow */
.back-button {
    background: var(--bg-main);
    border: none;
    padding: 15px 30px;
    border-radius: 30px;
    color: var(--text-primary);
    font-weight: 700;
    cursor: pointer;
    box-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.back-button::before {
    content: "←";
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
    transition: transform var(--transition-normal);
}

.back-button:hover::before {
    transform: translateX(-5px);
}

.back-button:hover {
    box-shadow: var(--shadow-inset-md);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.back-button:active {
    transform: translateY(0);
}

/* ===================================================================
   Contact Section
   =================================================================== */
.contact-section {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.contact-item {
    background: var(--bg-main);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    text-align: center;
    min-width: 200px;
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.contact-item:hover::before {
    transform: scaleX(1);
}

.contact-item:hover {
    box-shadow: var(--shadow-inset-md);
    transform: translateY(-4px);
}

.contact-item img {
    width: 50px;
    height: 50px;
    margin-bottom: 10px;
    border-radius: var(--radius-round);
    box-shadow: 3px 3px 6px var(--shadow-dark), -3px -3px 6px var(--shadow-light);
    transition: all var(--transition-normal);
}

.contact-item:hover img {
    transform: scale(1.1) rotate(5deg);
}

/* ===================================================================
   Image row and neumorphic image cards
   These styles center images side-by-side and provide a neomorphic look
   suitable for wrapping each image in a link (.image-card) later.
   =================================================================== */
.image-row {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.image-card {
    background: var(--bg-main);
    border-radius: var(--radius-md);
    padding: 6px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    text-decoration: none;
    overflow: hidden;
    /* smaller flex-basis so cards are visibly small */
    flex: 0 0 12%;
    max-width: 140px;
    min-width: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-card img {
    /* fill the card */
    width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
    object-fit: cover;
    box-shadow: 6px 6px 12px var(--shadow-dark), -6px -6px 12px var(--shadow-light);
}

.image-card:hover {
    box-shadow: 10px 10px 20px var(--shadow-dark), -10px -10px 20px var(--shadow-light);
    transform: translateY(-6px);
}

.image-card:focus {
    outline: 3px solid rgba(29,161,242,0.14);
    outline-offset: 6px;
    transform: translateY(-4px);
}

@media screen and (max-width: 767px) {
    .image-card {
        flex: 0 0 46vw;
        max-width: 320px;
    }
    .image-card img {
        width: 100%;
        max-width: 100%;
    }
}

/* ===================================================================
   Modal styles for image preview
   =================================================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.6);
    z-index: var(--z-modal);
    padding: 1rem;
}
.modal-overlay.open {
    display: flex;
}
.modal-content {
    position: relative;
    background: var(--bg-main);
    padding: 12px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal-content img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 8px;
    display: block;
}
.modal-close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--bg-main);
    box-shadow: 4px 4px 8px var(--shadow-dark), -4px -4px 8px var(--shadow-light);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
}
.modal-close:focus {
    outline: 2px solid rgba(29,161,242,0.2);
}

/* ===================================================================
   Footer
   =================================================================== */
footer {
    background: var(--bg-main);
    padding: var(--spacing-md);
    text-align: center;
    margin-top: var(--spacing-lg);
    box-shadow: var(--shadow-inset-md);
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-normal);
    position: relative;
}

footer a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

footer a:hover::after {
    width: 100%;
}

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

/* ===================================================================
   Preloader (for index.html)
   =================================================================== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-main);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-preloader);
    opacity: 1;
    visibility: visible;
    transition: opacity var(--transition-slow);
}

.preload-image {
    width: 150px;
    height: 150px;
    border-radius: var(--radius-round);
    animation: bounce 1s infinite ease-in-out;
    object-fit: cover;
    box-shadow: 7px 7px 14px var(--shadow-dark), -7px -7px 14px var(--shadow-light);
}

.preloader.fade-out {
    opacity: 0;
    pointer-events: none;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-30px);
    }
}

/* ===================================================================
   Responsive Design - Enhanced for All Screen Sizes
   =================================================================== */

/* Fix long text and links */
* {
    word-wrap: break-word;
    overflow-wrap: break-word;
}

a {
    word-break: break-word;
    hyphens: auto;
}

/* Ensure content doesn't overflow */
.content-text,
p {
    overflow-wrap: break-word;
    word-wrap: break-word;
    hyphens: auto;
}

/* Large Desktop (1920px+) */
@media screen and (min-width: 1920px) {
    .main-container {
        max-width: 1400px;
    }

    .profile-title,
    .page-title {
        font-size: 3rem;
    }
}

/* Desktop (1200px - 1919px) */
@media screen and (min-width: 1200px) and (max-width: 1919px) {
    .main-container {
        max-width: 1200px;
    }
}

/* Laptop (992px - 1199px) */
@media screen and (min-width: 992px) and (max-width: 1199px) {
    .main-container {
        max-width: 960px;
    }

    .nav-menu {
        gap: 0.8rem;
    }

    .nav-menu li a {
        padding: 10px 16px;
        font-size: 0.95rem;
    }
}

/* Tablet (768px - 991px) */
@media screen and (min-width: 768px) and (max-width: 991px) {
    .main-container {
        max-width: 720px;
        padding: 1.5rem;
    }

    .nav-menu {
        gap: 0.6rem;
    }

    .nav-menu li a {
        padding: 8px 14px;
        font-size: 0.9rem;
    }

    .profile-title,
    .page-title {
        font-size: 2.2rem;
    }

    .neomorphic-card {
        padding: 30px;
    }
}

/* Mobile Landscape / Small Tablet (576px - 767px) */
@media screen and (max-width: 767px) {
    .menu-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-main);
        padding: 1rem;
        flex-direction: column;
        gap: 0.5rem;
        box-shadow: var(--shadow-md);
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }

    .nav-menu li a {
        text-align: center;
        font-size: 1rem;
        padding: 12px 20px;
    }

    .nav-menu.active {
        display: flex;
    }

    .logo {
        width: 150px;
    }

    .main-container {
        padding: 1rem;
        margin-top: 80px;
    }

    .neomorphic-card {
        padding: 20px;
        margin: 1rem 0;
    }

    .profile-title,
    .page-title {
        font-size: 2rem;
        line-height: 1.2;
    }

    .profile-subtitle {
        font-size: 1.1rem;
    }

    .contact-section {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }

    .contact-item {
        width: 100%;
        max-width: 320px;
    }

    /* Better link handling on mobile */
    a {
        word-break: break-all;
        overflow-wrap: anywhere;
    }

    .content-text {
        font-size: 1rem;
        text-align: left;
    }
}

/* Mobile Portrait (480px - 575px) */
@media screen and (max-width: 575px) {
    .header-container {
        padding: 0 1rem;
    }

    .logo {
        width: 130px;
    }

    .main-container {
        padding: 0.8rem;
        margin-top: 75px;
    }
}

/* Small Mobile (320px - 479px) */
@media screen and (max-width: 479px) {
    .profile-image {
        width: 130px;
        height: 130px;
    }

    .profile-title,
    .page-title {
        font-size: 1.6rem;
        line-height: 1.2;
        word-break: break-word;
    }

    .profile-subtitle {
        font-size: 1rem;
    }

    .neomorphic-card {
        padding: 15px;
        border-radius: 15px;
    }

    .contact-item {
        padding: 15px;
        min-width: auto;
        width: 100%;
    }

    .contact-item h3 {
        font-size: 1.1rem;
    }

    /* Adjust buttons for small screens */
    .neomorphic-button {
        padding: 12px 24px;
        font-size: 0.95rem;
        width: 100%;
        margin: 0.3rem 0;
    }

    .back-button {
        padding: 12px 24px;
        font-size: 0.95rem;
    }

    /* Fix long URLs and links */
    a {
        word-break: break-all;
        overflow-wrap: anywhere;
        hyphens: auto;
        -webkit-hyphens: auto;
        -moz-hyphens: auto;
    }

    /* Ensure text doesn't overflow */
    .content-text,
    p,
    li {
        font-size: 0.95rem;
        word-break: break-word;
        overflow-wrap: break-word;
    }

    /* Header adjustments */
    header {
        padding: 0.8rem 0;
    }

    .header-container {
        padding: 0 0.8rem;
    }

    .logo {
        width: 110px;
    }
}

/* Extra Small Mobile (< 375px) */
@media screen and (max-width: 374px) {

    .profile-title,
    .page-title {
        font-size: 1.4rem;
    }

    .profile-image {
        width: 110px;
        height: 110px;
    }

    .neomorphic-card {
        padding: 12px;
    }

    .logo {
        width: 100px;
    }

    .main-container {
        padding: 0.5rem;
    }
}