/* ==========================================
   ENOC COLOMER - PERSONAL BLOG
   Modern, Professional CSS Styles
   ========================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #0f172a;
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    
    /* Neutrals */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, #d97706 100%);
    --gradient-dark: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Outfit', var(--font-primary);
    
    /* Sizes */
    --header-height: 70px;
    --container-width: 1200px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

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

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

/* Section */
.section {
    padding: 100px 0;
}

.section__header {
    text-align: center;
    margin-bottom: 60px;
}

.section__subtitle {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section__title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

.btn--outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

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

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

/* ==========================================
   HEADER
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav__logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
}

.logo-text {
    color: var(--gray-900);
}

.logo-accent {
    color: var(--primary);
}

.nav__list {
    display: flex;
    gap: 40px;
}

.nav__link {
    font-weight: 500;
    color: var(--gray-600);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav__link:hover,
.nav__link.active {
    color: var(--primary);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__toggle,
.nav__close {
    display: none;
    font-size: 24px;
    color: var(--gray-800);
    cursor: pointer;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: var(--gradient-hero);
    clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
    z-index: -1;
}

.hero__container {
    width: 100%;
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero__greeting {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    font-size: 18px;
    margin-bottom: 12px;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.1;
    margin-bottom: 16px;
}

.hero__title span {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 20px;
    color: var(--gray-600);
    font-weight: 500;
    margin-bottom: 20px;
}

.hero__description {
    font-size: 17px;
    color: var(--gray-500);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero__buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.hero__social {
    display: flex;
    gap: 16px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-full);
    color: var(--gray-600);
    font-size: 18px;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    transform: translateY(-4px);
}

.hero__image {
    display: flex;
    justify-content: center;
}

.hero__image-wrapper {
    position: relative;
    width: 400px;
    height: 400px;
}

.hero__image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 2;
}

.hero__image-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    border-radius: var(--radius-lg);
    z-index: 1;
    opacity: 0.3;
}

.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-down {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--gray-400);
    font-size: 14px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about {
    background: var(--gray-50);
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about__description {
    font-size: 17px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about__description strong {
    color: var(--gray-800);
}

.about__stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--gray-200);
}

.stat {
    text-align: center;
}

.stat__number {
    display: block;
    font-family: var(--font-heading);
    font-size: 42px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat__label {
    font-size: 14px;
    color: var(--gray-500);
    margin-top: 8px;
}

.about__skills-title {
    font-family: var(--font-heading);
    font-size: 24px;
    color: var(--gray-900);
    margin-bottom: 24px;
}

.skills__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.skill {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.skill:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.skill i {
    font-size: 20px;
    color: var(--primary);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.1);
    border-radius: var(--radius-sm);
}

.skill span {
    font-weight: 500;
    color: var(--gray-700);
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    font-size: 32px;
    color: var(--white);
}

.service-card__title {
    font-family: var(--font-heading);
    font-size: 22px;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.service-card__description {
    color: var(--gray-500);
    line-height: 1.7;
}

/* ==========================================
   BLOG SECTION
   ========================================== */
.blog {
    background: var(--gray-50);
}

.blog__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.blog-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.blog-card__image {
    position: relative;
    height: 200px;
    background: var(--gradient-dark);
}

.blog-card__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: rgba(255, 255, 255, 0.3);
}

.blog-card__category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: var(--primary);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.blog-card__content {
    padding: 24px;
}

.blog-card__meta {
    display: flex;
    gap: 20px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--gray-400);
}

.blog-card__meta i {
    margin-right: 6px;
}

.blog-card__title {
    font-family: var(--font-heading);
    font-size: 20px;
    color: var(--gray-900);
    margin-bottom: 12px;
    line-height: 1.4;
}

.blog-card__excerpt {
    color: var(--gray-500);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 16px;
}

.blog-card__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: 15px;
}

.blog-card__link:hover {
    gap: 12px;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact__info-title {
    font-family: var(--font-heading);
    font-size: 28px;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.contact__info-description {
    color: var(--gray-500);
    margin-bottom: 32px;
    line-height: 1.7;
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.contact__item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact__item-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.1);
    border-radius: var(--radius);
    color: var(--primary);
    font-size: 22px;
}

.contact__item-label {
    display: block;
    font-size: 13px;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.contact__item-value {
    color: var(--gray-700);
    font-weight: 500;
}

.contact__item-value:hover {
    color: var(--primary);
}

.contact__social {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact__social > span {
    color: var(--gray-500);
}

.contact__social-links {
    display: flex;
    gap: 12px;
}

.contact__social-links a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    color: var(--gray-600);
    transition: var(--transition);
}

.contact__social-links a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

/* Contact Form */
.contact__form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.form__group {
    position: relative;
    margin-bottom: 24px;
}

.form__input {
    width: 100%;
    padding: 16px 20px;
    font-family: var(--font-primary);
    font-size: 15px;
    color: var(--gray-700);
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    outline: none;
    transition: var(--transition);
}

.form__input:focus {
    border-color: var(--primary);
    background: var(--white);
}

.form__input::placeholder {
    color: var(--gray-400);
}

.form__label {
    display: none;
}

.form__textarea {
    min-height: 150px;
    resize: vertical;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 80px 0 30px;
}

.footer__content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer__logo {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    display: inline-block;
}

.footer__logo .logo-text {
    color: var(--white);
}

.footer__description {
    color: var(--gray-400);
    line-height: 1.7;
    max-width: 300px;
}

.footer__links h4,
.footer__social h4 {
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 18px;
    margin-bottom: 24px;
}

.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__links a {
    color: var(--gray-400);
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--primary-light);
    padding-left: 8px;
}

.footer__social-links {
    display: flex;
    gap: 12px;
}

.footer__social-links a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    border-radius: var(--radius-full);
    color: var(--gray-400);
    transition: var(--transition);
}

.footer__social-links a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

.footer__bottom {
    padding-top: 30px;
    border-top: 1px solid var(--gray-800);
    text-align: center;
    color: var(--gray-500);
    font-size: 14px;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 1024px) {
    .hero__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero__text {
        order: 2;
    }
    
    .hero__image {
        order: 1;
    }
    
    .hero__description {
        margin: 0 auto 32px;
    }
    
    .hero__buttons {
        justify-content: center;
    }
    
    .hero__social {
        justify-content: center;
    }
    
    .hero__bg {
        width: 100%;
        height: 50%;
        clip-path: polygon(0 0, 100% 0, 100% 80%, 0% 100%);
    }
    
    .about__content {
        grid-template-columns: 1fr;
    }
    
    .contact__content {
        grid-template-columns: 1fr;
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer__description {
        margin: 0 auto;
    }
    
    .footer__social-links {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--white);
        box-shadow: var(--shadow-xl);
        padding: 100px 40px;
        transition: var(--transition);
    }
    
    .nav__menu.show-menu {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        gap: 24px;
    }
    
    .nav__link {
        font-size: 20px;
    }
    
    .nav__toggle,
    .nav__close {
        display: block;
    }
    
    .nav__close {
        position: absolute;
        top: 24px;
        right: 24px;
    }
    
    .hero__image-wrapper {
        width: 280px;
        height: 280px;
    }
    
    .hero__buttons {
        flex-direction: column;
    }
    
    .about__stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .skills__grid {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 70px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .contact__form {
        padding: 24px;
    }
    
    .hero__scroll {
        display: none;
    }
}