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

html {
    scroll-behavior: smooth;
}

/* ===== BODY ===== */
body {
    font-family: 'Inter', sans-serif;
    background-color: white;
    color: #2b2b2b;
    padding-top: 80px;   /* Space for fixed navbar */
}

section {
    scroll-margin-top: 50px; /* Prevents section hiding under navbar */
}

.section-title {
    text-align:center;
    font-family: 'Playfair Display', serif;
    font-size: 38px;
    margin-bottom: 12px;
}

.section-underline {
    width: 90px;
    height: 4px;
    background-color: #1e88c9;
    margin: 0 auto 60px auto;
    border-radius: 4px;
} 

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;          /* Keeps navbar visible on scroll */
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 80px;
    background-color: #f7fbfd;
    border-bottom: 1px solid #bcdff5;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    color: #1e88c9;
}

/* Navigation links */
nav a {
    margin-left: 22px;
    text-decoration: none;
    font-size: 14px;
    color: #1e88c9;
    font-weight:500;
}

nav a:hover {
    color: #0f547c;
    font-weight: 500;
}


/* ===== HERO SECTION ===== */
.hero {
    scroll-margin-top: 80px;
    min-height: calc(100vh - 80px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

/* Location */
.location {
    color: #1e88c9;
    font-size: 14px;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

/* Name */
.hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: 54px;
    margin-bottom: 20px;
}

/* Title */
.hero h2 {
    font-size: 20px;
    font-weight: 500;
    color: #1e88c9;
    margin-bottom: 20px;
}

/* Description */
.hero p {
    max-width: 760px;
    font-size: 16px;
    line-height: 1.7;
    color: #5a6c7b;
    margin-bottom: 36px;
}

/* ===== BUTTONS ===== */
.buttons {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px; /* spacing for icon and text */
    transition: background-color 0.3s, color 0.3s;
}

/* Primary Button */
.primary,
.contact {   /* Make contact same as primary */
    background-color: #1e88c9;
    color: #ffffff;
}

.primary:hover,
.contact:hover {
    background-color: #0f547c;
}

/* Outline Button */
.outline {
    border: 1px solid #1e88c9;
    color: #1e88c9;
}

.outline:hover {
    background-color: #c9ebff;
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: 30px 80px 30px;  /* reduced top & bottom spacing */
    background-color: #ffffff;
}

/* Section title */
.section-title {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 5px;       /* less space below title */
    color: #1e2a38;
    margin-top: 5px;
}

.section-underline {
    width: 80px;
    height: 4px;
    background-color: #2b6cb0;
    margin: 0 auto 20px;      /* reduced space below underline */
    border-radius: 2px;
}

/* Main container: image + text */
.about-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;                /* reduced gap between image & text */
    align-items: start;
    margin-bottom: 30px;      /* reduced space below container */
}

.about {
    padding: 5px 80px 30px;  /* removed top padding */
    background-color: #ffffff;
}

/* Image */
.about-image img {
    width: 100%;
    max-width: 350px;
    border-radius: 50px;
    object-fit: cover;
    display: block;
    margin: 0 auto;       /* centres image horizontally */
}

/* Text */
.about-content p {
    font-size: 16px;
    line-height: 1.6;         /* slightly tighter line-height */
    color: #5a6c7b;
    margin-bottom: 30px;      /* reduced space between paragraphs */
}

/* Cards layout */
.about-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;                /* reduced gap between cards */
}

/* Individual card */
.about-card {
    background: #f7fbfd;
    padding: 20px 16px;       /* slightly smaller padding */
    border-radius: 12px;
    border: 1px solid #e3eff8;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card:hover {
    transform: translateY(-3px);   /* smaller hover movement */
    box-shadow: 0 6px 15px rgba(0,0,0,0.08);
}

/* Card header: icon + title */
.card-header {
    display: flex;
    align-items: center;
    gap: 10px;               /* tighter gap between icon & title */
    margin-bottom: 8px;      /* reduced space below header */
}

/* Icon */
.card-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.card-icon.blue { background-color: #ffffff; color: #4884fe; 
border: 1px solid #e3eff8;}
.card-icon.green { background-color: #e8f5e9; color: #2e7d32; }
.card-icon.orange { background-color: #fff3e0; color: #ef6c00; }

/* Card title */
.card-header h4 {
    margin: 0;
    font-size: 17px;          /* slightly smaller title */
    font-weight: 600;
}

/* Card text */
.about-card p, .about-card li {
    font-size: 14px;
    color: #5a6c7b;
    line-height: 1.5;         /* tighter line-height */
}

.about-card ul {
    padding-left: 18px;
    margin: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .about-container {
        grid-template-columns: 1fr;
        text-align: center;
        margin-bottom: 15px;
    }

    .about-image img {
        margin-bottom: 15px;
    }

    .about-cards {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}


/* ===== TECHNICAL SKILLS SECTION ===== */
.skills {
    padding: 35px 80px;
    background-color: white;
    text-align: center;
}

.skills-subtitle {
    max-width: 700px;
    margin: 0 auto 25px;   /* top | left-right | bottom */
    font-size: 16px;
    color: #5a6c7b;
}

.section-underline {
    margin-bottom: 30px;
}

.skills-subtitle {
    margin-bottom: 30px;
}

/* Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    align-items: stretch;
}

/* Card */
.skill-card {
    background: #f7fbfd;
    border: 1px solid #e6eef3;
    border-radius: 14px;
    padding: 28px;
    text-align: left;
}

.skill-card h3 {
    font-size: 18px;
    margin: 14px 0;
}

.skill-card ul {
    padding-left: 18px;
}

.skill-card li,
.skill-card p {
    font-size: 14px;
    color: #5a6c7b;
    line-height: 1.6;
    margin-bottom: 6px;
}

/* Icons */
.skill-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-bottom: 10px;
}

.skill-icon.blue {
    background: white;
    color: #1e88c9;
    border: 1px solid #bce1f8;
}

.skill-icon.green {
    background: #f8fffb;
    color: #2e8b57;
    border: 1px solid #aedac1;
    width: 60px;
    height: 44px;
}

.skill-icon.orange {
    background: white;
    color: #f2994a;
    border: 1px solid #f1d6be;
}

/* Skill Tags */
.skill-tag {
    display: inline-block;
    padding: 4px 10px;
    font-size: 12px;
    border-radius: 6px;
    margin: 8px 0;
    font-weight: 500;
}

.skill-tag.advanced {
    background: #d9e9f5;
    color: #1880c1;
}

.skill-tag.intermediate {
    background: #ffffff;
    color: #21814a;
}

.skill-tag.basic {
    background: #ebe3db;
    color: #5c3e3e;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #ffffff;
}

/* ===== COMMON ===== */
.section-title {
    text-align: center;
    font-size: 28px;
}

.section-underline {
    width: 60px;
    height: 3px;
    background: #1e88c9;
    margin: 10px auto 30px;
}

.location {
    color: #1e88c9;
    font-size: 14px;
}

/* ===== PROJECTS SECTION ===== */
.projects {
    padding: 80px 80px;
    background: #ffffff;
    text-align: center;
    margin-bottom: 80px;
}

/* Subtitle */
.projects-subtitle {
    max-width: 700px;
    margin: 40px auto 80px;
    color: #5a6c7b;
    font-size: 16px;
    line-height: 1.6;
}

/* ===== FILTER BUTTONS ===== */
.project-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px;
    margin-bottom: 150px;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

/* Bigger buttons */
.filter-btn {
    padding: 12px 26px;
    border: 1.5px solid #1e88c9;
    background: #ffffff;
    color: #1e88c9;
    border-radius: 28px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.25s ease;
    text-decoration: none;
    display: inline-block;
}

/* Active & hover */
.filter-btn.active,
.filter-btn:hover {
    background: #1e88c9;
    color: #ffffff;
    transform: translateY(-2px);
}


/* ===== EDUCATION SECTION ===== */
.education {
    padding: 100px 80px;
    background-color: white;
}

.education-container {
    max-width: 900px;
    margin: 0 auto;
}

/* Card */
.education-card {
    background: #f1f6fa;
    border: 1px solid #d9e7f1;
    border-radius: 18px;
    padding: 28px 32px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
    border: 1px solid #d9e7f1;
}

/* Icon */
.edu-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: white;
    color: #1e88c9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    border: 1px solid #d9e7f1;
}

/* Content */
.edu-content {
    flex: 1;
}

/* Header */
.edu-header {
    display: flex;
    justify-content:space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 18px;
}

.edu-header h3 {
    font-size: 20px;
    margin-bottom: 6px;
}

.edu-university {
    font-size: 14px;
    color: #1e88c9;
    font-weight: 500;
}

/* Year */
.edu-year {
    background:white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    color: #3c4955;
    white-space: nowrap;
    border: 1px solid #d9e7f1;
}

/* Research Box */
.edu-research {
    background: white;
    border: 1px solid #d9e7f1;
    border-radius: 14px;
    padding: 20px;
}

.research-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    margin-bottom: 10px;
}

.research-title i {
    color: #2e8b57;
}

.research-topic {
    font-size: 14px;
    color: #5a6c7b;
    line-height: 1.6;
    margin-bottom: 14px;
}

/* Tags */
.research-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    font-size: 12px;
    padding: 5px 12px;
    border-radius: 14px;
    font-weight: 500;
}

.tag.blue {
    background: #e8f4fb;
    color: #1e88c9;
}

.tag.green {
    background: #e9f6ef;
    color: #2e8b57;
}

.tag.orange {
    background: #fff3e6;
    color: #f2994a;
}

.tag.gray {
    background: #f0f0f0;
    color: #555;
}

/* ===== PROFESSIONAL EXPERIENCE SECTION ===== */
.experience {
    padding: 100px 100px;
    background-color:white;
    margin-bottom: 50px;
}

.experience-container {
    max-width: 900px;
    margin: 0 auto;
}

/* Card */
.experience-card {
    background: #f7fbfd;
    border: 1px solid #d9e7f1;
    border-radius: 18px;
    padding: 28px 32px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

/* Icon */
.exp-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: white;
    color: #1e88c9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    border: 1px solid #d9e7f1;
}

/* Content */
.exp-content {
    flex: 1;
}

/* Header */
.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 20px;
}

.exp-header h3 {
    font-size: 20px;
    margin-bottom: 6px;
}

.exp-org {
    font-size: 14px;
    color: #1e88c9;
    font-weight: 500;
}

/* Meta */
.exp-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
    color: #5a6c7b;
    white-space: nowrap;
}

.exp-meta i {
    margin-right: 6px;
    color: #1e88c9;
}

/* Body */
.exp-body h4 {
    font-size: 15px;
    margin-bottom: 12px;
    text-align:center;
}

/* List */
.exp-list {
    list-style: none;
    padding: 0;

    width: fit-content;   /* list takes only needed width */
    margin: 0 auto;       /* centers the list horizontally */
}

.exp-list li {
    display:flex;
    align-items:flex-start;
    gap: 10px;
    font-size: 14px;
    color: #5a6c7b;
    line-height: 1.6;
    margin-bottom: 10px;
}

.exp-list i {
    color: #1e88c9;
    font-size: 14px;
    margin-top: 4px;
}

/* ===== CERTIFICATIONS SECTION ===== */

.certifications {
    padding: 90px 80px;
    background-color: white;
    text-align: center;
}

.cert-subtitle {
    max-width: 600px;
    margin: 0 auto 30px auto;
    font-size: 16px;
    color: #5a6c7b;
}

.cert-buttons {
    margin-bottom: 20px;
}

.cert-btn {
    background: #f0f0f0;
    color: #333;
    border: none;
    padding: 8px 18px;
    margin: 0 5px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.cert-btn.active,
.cert-btn:hover {
    background: #1e88c9;
    color: white;
}

/* Scrollable slider wrapper */
.cert-slider-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto 40px auto;
}

/* Scrollable slider */
.cert-slider {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding: 10px 0;
    scroll-behavior: smooth;
}

/* Hide scrollbar */
.cert-slider::-webkit-scrollbar { display: none; }
.cert-slider { -ms-overflow-style: none; scrollbar-width: none; }

/* Scroll buttons */
.scroll-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: #1e88c9;
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 18px;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.scroll-btn:hover { opacity: 1; }
.scroll-btn.left { left: -20px; }
.scroll-btn.right { right: -20px; }

/* Card */
.cert-card {
    min-width: 260px;
    background: #f9fdff;
    border: 1px solid #d9e7f1;
    border-radius: 16px;
    padding: 22px 24px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    text-align: left;
}

/* Icon */
.cert-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: #fff3e6;
    color: #f2994a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

/* Content */
.cert-content h3 {
    font-size: 16px;
    margin-bottom: 6px;
}

.cert-content h3 a {
    color: #1e293b;        /* Dark professional text */
    text-decoration: none;
    font-weight: 600;
}

.cert-content h3 a:hover {
    color: #1e88c9;        /* Blue on hover */
}

.cert-org {
    font-size: 13px;
    color: #5a6c7b;
    margin-bottom: 10px;
}

/* Tags */
.cert-tag {
    display: inline-block;
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 8px;
    font-weight: 500;
}

/* Tag Colors */
.cert-tag.gis { background: #fdd9f4; color: #6f0853; }
.cert-tag.prog { background: #e5f6ed; color: #126c39; }
.cert-tag.data { background: #fcf6f6; color: #482121; }


/* ===== DOWNLOAD CV SECTION ===== */
.download-cv {
    padding: 100px 20px;
    background-color: #ffffff;
    text-align: center;
}

.cv-container {
    max-width: 900px;
    margin: 0 auto;
}

/* Icon */
.cv-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 26px auto;
    border-radius: 18px;
    background: #e8f4fb;
    color: #1e88c9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
}

/* Title */
.cv-title {
    font-family: 'Playfair Display', serif;
    font-size: 42px;
    margin-bottom: 16px;
}

/* Subtitle */
.cv-subtitle {
    max-width: 600px;
    margin: 0 auto 40px auto;
    font-size: 16px;
    color: #5a6c7b;
    line-height: 1.7;
}

/* Info Box */
.cv-info-box {
    background: #f7fbfd;
    border: 1px solid #e6eef3;
    border-radius: 16px;
    padding: 28px 32px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px 30px;
    text-align: left;
    margin-bottom: 40px;
}

/* Info Item */
.cv-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: #5a6c7b;
}

.cv-info-item i {
    color: #1e88c9;
    font-size: 15px;
}

/* Download Button */
.cv-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: #1e88c9;
    color: #ffffff;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
}

.cv-download-btn:hover {
    background-color: #156fa3;
}

/* Footer Text */
.cv-footer {
    margin-top: 14px;
    font-size: 13px;
    color: #8aa1b4;
}

/* Responsive */
@media (max-width: 768px) {
    .cv-info-box {
        grid-template-columns: 1fr;
    }

    .cv-title {
        font-size: 34px;
    }
}

/* ===== GET IN TOUCH SECTION ===== */
.contact-section {
    padding: 50px 80px;
    background-color: white;
    text-align: center;
}

.contact-subtitle {
    max-width: 700px;
    margin: 0 auto 60px auto;
    font-size: 16px;
    color: #5a6c7b;
    line-height: 1.7;
}

/* Grid */
.contact-grid {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

/* Card */
.contact-card {
    background: #e8f4fb;
    border: 1px solid #d9e7f1;
    border-radius: 18px;
    padding: 26px 28px;
    display: flex;
    align-items: center;
    gap: 18px;
    text-align: left;
}

/* Icon */
.contact-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: white;
    color: #1e88c9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    border: 1px solid #d9e7f1;
}

/* Text */
.contact-info h4 {
    font-size: 15px;
    margin-bottom: 6px;
}

.contact-info a,
.contact-info span {
    font-size: 14px;
    color: #4b5d6c;
    text-decoration: none;
    word-break: break-word;
}

.contact-info a:hover {
    color: #1e88c9;
}

/* Center the LinkedIn card */
.contact-card.linkedin-center {
    grid-column: 1 / -1;   /* span full grid width */
    margin: 0 auto;        /* center horizontally */
    max-width: 430px;      /* optional: keeps it neat */
}

/* ===== FOOTER ===== */
.site-footer {
    width: 100%;
    background-color: #ffffff;
    border-top: 1px solid #e6eef3;
}

/* Footer container */
.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 80px;   /* Same as navbar */
    font-size: 14px;
    color: #1e88c9;
}

/* Left section */
.footer-left {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    font-size: 14px;
}

/* Icon */
.footer-left i {
    color: #1e88c9;
    font-size: 15px;
}

/* Name link */
.footer-left a {
    color: #1e88c9;          /* same as icon */
    text-decoration: none;  /* remove underline */
    font-weight: 600;
    transition: color 0.3s ease;
}

/* Hover effect */
.footer-left a:hover {
    color: #146496;          /* slightly darker blue */
}

/* Center section */
.footer-center {
    text-align: center;
    font-size: 13px;
    color: #6b7280;
}

/* Right section */
.footer-right {
    font-size: 13px;
    color: #6b7280;
}

/* ===== Responsive Footer ===== */
@media (max-width: 768px) {
    .footer-container {
        flex-direction: column;
        gap: 12px;
        padding: 20px 30px;
        text-align: center;
    }
}

/* ===============================
   MOBILE RESPONSIVE FIX
   =============================== */
@media (max-width: 768px) {

    /* ===== GLOBAL ===== */
    body {
        padding-top: 70px;
    }

    section {
        padding-left: 20px !important;
        padding-right: 20px !important;
        padding-top: 50px !important;
    }

    .section-title {
        font-size: 24px;
    }

    /* ===== NAVBAR ===== */
    .navbar {
        flex-direction: column;
        padding: 12px 20px;
        gap: 10px;
    }

    nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }

    nav a {
        margin: 0;
        font-size: 13px;
    }

    /* ===== HERO ===== */
    .hero h1 {
        font-size: 34px;
    }

    .hero h2 {
        font-size: 16px;
    }

    .hero p {
        font-size: 14px;
    }

    /* ===== ABOUT ===== */
    .about-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .about-image img {
        max-width: 220px;
    }

    /* ===== SKILLS ===== */
    .skills-grid {
        grid-template-columns: 1fr;
    }

    /* ===== EDUCATION ===== */
    .education-card {
        flex-direction: column;
        text-align: center;
    }

    .edu-header {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    /* ===== EXPERIENCE (MOBILE - LEFT ALIGNED) ===== */
.experience-card {
    flex-direction: column;
    text-align: left;
}

.exp-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
}

.exp-meta {
    white-space: normal;
    align-items: flex-start;
}


    /* ===== PROJECT FILTER BUTTONS ===== */
    .project-filters {
        gap: 10px;
    }

    .filter-btn {
        font-size: 13px;
        padding: 10px 18px;
    }

    /* ===== CONTACT ===== */
    .contact-grid {
        grid-template-columns: 1fr;
    }

    /* ===== FOOTER ===== */
    .footer-container {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
}

/* =================================
   CERTIFICATIONS – MOBILE FIX
   ================================= */
@media (max-width: 768px) {

    /* Section spacing */
    .certifications {
        padding-left: 20px;
        padding-right: 20px;
    }

    /* Category buttons */
    .cert-buttons {
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 10px;
    }

    /* Slider wrapper */
    .cert-slider-wrapper {
        align-items: center;
    }

    /* Hide scroll arrows on mobile (touch scroll is better) */
    .scroll-btn {
        display: none;
    }

    /* Slider */
    .cert-slider {
        gap: 16px;
        padding-bottom: 10px;
        scroll-snap-type: x mandatory;
    }

    /* Certificate card */
    .cert-card {
        min-width: 260px;
        scroll-snap-align: start;
        text-align: left;
    }

    /* Icon alignment */
    .cert-icon {
        margin-bottom: 8px;
        align-self: flex-start;
    }

    /* Certificate content */
    .cert-content {
        text-align: left;
    }

    .cert-content h3 {
        font-size: 16px;
        line-height: 1.4;
        text-align: left;
    }

    .cert-org {
        font-size: 13px;
        text-align: left;
    }

    /* Tag alignment */
    .cert-tag {
        align-self: flex-start;
        margin-top: 6px;
    }
}

/* ===== CONTACT SECTION ICON FIX ===== */

.contact-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;        /* prevents shrinking on mobile */
    min-height: 56px;

    display: flex;
    align-items: center;
    justify-content: center;

    background-color: #ffffff;
    border: 1px solid #d9e7f1;
    border-radius: 14px;

    font-size: 22px;        /* icon size */
    line-height: 1;         /* critical for Font Awesome consistency */
}

/* Ensure icons render consistently */
.contact-icon i {
    display: block;
    width: 1em;
    height: 1em;
    line-height: 1;
}

@media (max-width: 600px) {
    .contact-card {
        gap: 14px;
        align-items: flex-start;
    }

    .contact-icon {
        width: 52px;
        height: 52px;
        font-size: 20px;
    }
}

.contact-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;   /* 🔥 prevents flexbox shrinking */
    min-height: 56px;

    display: flex;
    align-items: center;
    justify-content: center;

    background-color: #ffffff;
    border: 1px solid #d9e7f1;
    border-radius: 14px;

    font-size: 22px;
    line-height: 1;
}
.contact-icon i {
    display: block;
    width: 1em;
    height: 1em;
    line-height: 1;
}

@media (max-width: 600px) {
    .contact-card {
        align-items: flex-start;
    }
}

/* ===== CERTIFICATION CATEGORY BUTTONS (FIXED) ===== */

.cert-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;                /* 🔥 Proper spacing between buttons */
    margin-bottom: 24px;
}

.cert-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f0f0f0;
    color: #333;
    border: none;
    padding: 8px 18px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    white-space: nowrap;     /* prevents ugly word breaking */
}

/* Active & hover */
.cert-btn.active,
.cert-btn:hover {
    background: #1e88c9;
    color: #ffffff;
}
@media (max-width: 768px) {
    .cert-buttons {
        gap: 10px;
    }

    .cert-btn {
        font-size: 13px;
        padding: 8px 16px;
    }
}

/* ===== FIX: CERTIFICATIONS SECTION JUMP (MOBILE) ===== */
@media (max-width: 768px) {
    .certifications {
        min-height: 100vh;        /* 🔥 prevents next section from showing */
        padding-bottom: 80px;     /* extra breathing space */
    }
}

/* ===== FIX: CERTIFICATIONS SECTION JUMP (MOBILE) ===== */
@media (max-width: 768px) {
    .projects  {
        min-height: 100vh;        /* 🔥 prevents next section from showing */
        padding-bottom: 80px;     /* extra breathing space */
    }
}

/* ===== FIX: CERTIFICATIONS SECTION JUMP (MOBILE) ===== */
@media (max-width: 768px) {
    .education  {
        min-height: 100vh;        /* 🔥 prevents next section from showing */
        padding-bottom: 80px;     /* extra breathing space */
    }
}

/* ===== FIX: CERTIFICATIONS SECTION JUMP (MOBILE) ===== */
@media (max-width: 768px) {
    .experience  {
        min-height: 100vh;        /* 🔥 prevents next section from showing */
        padding-bottom: 80px;     /* extra breathing space */
    }
}